GMDD - Most commented papers of all time
|Most commented papers of the last 12 months|
On the wind stress formulation over shallow waters in atmospheric models
Summary: In spite of the substantial observational evidence supporting a higher drag over shallow waters than over the open ocean, regional and global models widely use a single formulation valid for the open ocean. Results of this work indicate that adding the extra drag is necessary to reconcile model results with long term observations of the wind profile within the first 100 m of the atmosphere, being the first modeling evidence supporting the reported added drag over shallow waters.
Geosci. Model Dev. Discuss., 7, 9063-9077, doi:10.5194/gmdd-7-9063-2014, 2014
Direct numerical simulations of particle-laden density currents with adaptive, discontinuous finite elements
Geosci. Model Dev. Discuss., 7, 3219-3264, doi:10.5194/gmdd-7-3219-2014, 2014
An orthogonal curvilinear terrain-following coordinate for atmospheric models
Geosci. Model Dev. Discuss., 6, 5801-5862, doi:10.5194/gmdd-6-5801-2013, 2013
Mass-conserving subglacial hydrology in the Parallel Ice Sheet Model
Geosci. Model Dev. Discuss., 7, 4705-4775, doi:10.5194/gmdd-7-4705-2014, 2014
The Joint UK Land Environment Simulator (JULES), Model description – Part 2: Carbon fluxes and vegetation
Geosci. Model Dev. Discuss., 4, 641-688, doi:10.5194/gmdd-4-641-2011, 2011
MetUM-GOML: a near-globally coupled atmosphere–ocean-mixed-layer model
Geosci. Model Dev. Discuss., 7, 6173-6215, doi:10.5194/gmdd-7-6173-2014, 2014
Characterising Brazilian biomass burning emissions using WRF-Chem with MOSAIC sectional aerosol
Geosci. Model Dev. Discuss., 7, 6061-6131, doi:10.5194/gmdd-7-6061-2014, 2014
ASAM v2.7: a compressible atmospheric model with a Cartesian cut cell approach
Geosci. Model Dev. Discuss., 7, 4463-4525, doi:10.5194/gmdd-7-4463-2014, 2014
Generalized Background Error covariance matrix model (GEN_BE v2.0)
Geosci. Model Dev. Discuss., 7, 4291-4352, doi:10.5194/gmdd-7-4291-2014, 2014
A fast input/output library for high resolution climate models
Geosci. Model Dev. Discuss., 6, 4775-4807, doi:10.5194/gmdd-6-4775-2013, 2013
Forecasts covering one month using a cut cell model
Geosci. Model Dev. Discuss., 6, 625-643, doi:10.5194/gmdd-6-625-2013, 2013
The Rock Geochemical Model (RokGeM) v0.9
Geosci. Model Dev. Discuss., 5, 2007-2082, doi:10.5194/gmdd-5-2007-2012, 2012
CAM-chem: description and evaluation of interactive atmospheric chemistry in CESM
Geosci. Model Dev. Discuss., 4, 2199-2278, doi:10.5194/gmdd-4-2199-2011, 2011
Towards convection-resolving, global atmospheric simulations with the Model for Prediction Across Scales (MPAS): an extreme scaling experiment
Summary: We first present an in-depth evaluation of the Model For Prediction across Scales (MPAS) with regards to technical aspects of performing model runs and scalability for medium-size meshes on several HPCs. We also demonstrate the model performance of MPAS in terms of its capability to reproduce the dynamics of the West African Monsoon and its associated precipitation. Finally, we conduct extreme scaling tests on a global 3km mesh with 65,536,002 horizontal grid cells on up to 458,752 cores.
Geosci. Model Dev. Discuss., 8, 6987-7061, doi:10.5194/gmdd-8-6987-2015, 2015
PLUME-MoM 1.0: a new 1-D model of volcanic plumes based on the method of moments
Summary: In this paper a new mathematical model of volcanic plume, named PlumeMoM, is presented. The model is based on the method of moments and it is able to describe the continuous variability in the grain size distribution (GSD) of the pyroclastic mixture ejected at the vent, crucial to characterize the source conditions of ash dispersal models. Results show that the GSD at the top of the plume is similar to that at the base and that plume height is weakly affected by the parameters of the GSD.
Geosci. Model Dev. Discuss., 8, 3745-3790, doi:10.5194/gmdd-8-3745-2015, 2015
The Lagrangian analysis tool LAGRANTO – version 2.0
Geosci. Model Dev. Discuss., 8, 1893-1943, doi:10.5194/gmdd-8-1893-2015, 2015
EDDA: integrated simulation of debris flow erosion, deposition and property changes
Summary: A new numerical model, EDDA, is developed for simulating debris-flow erosion, deposition, and associated changes in debris mass, properties and topography. A variable time step algorithm is adopted to assure both numerical accuracy and computational efficiency. The performance of the model has been verified through four numerical tests and a large-scale case study. EDDA can be a powerful tool for debris-flow risk assessment in a large area and real-time landslide warning.
Geosci. Model Dev. Discuss., 7, 7267-7316, doi:10.5194/gmdd-7-7267-2014, 2014
IceChrono v1: a probabilistic model to compute a common and optimal chronology for several ice cores
Summary: This manuscript describes a probabilistic model which aims at optimizing the chronology of ice cores by combining different sources of information.
Geosci. Model Dev. Discuss., 7, 6811-6844, doi:10.5194/gmdd-7-6811-2014, 2014
Verification of a non-hydrostatic dynamical core using horizontally spectral element vertically finite difference method: 2-D aspects
Geosci. Model Dev. Discuss., 7, 3717-3750, doi:10.5194/gmdd-7-3717-2014, 2014
Implementation of a soil albedo scheme in the CABLEv1.4b land surface model and evaluation against MODIS estimates over Australia
Geosci. Model Dev. Discuss., 7, 1671-1707, doi:10.5194/gmdd-7-1671-2014, 2014
High resolution air quality simulation over Europe with the chemistry transport model CHIMERE
Geosci. Model Dev. Discuss., 6, 4137-4187, doi:10.5194/gmdd-6-4137-2013, 2013
The ICON-1.2 hydrostatic atmospheric dynamical core on triangular grids – Part 1: Formulation and performance of the baseline version
Geosci. Model Dev. Discuss., 6, 59-119, doi:10.5194/gmdd-6-59-2013, 2013
Influence of the compiler on multi-CPU performance of WRFv3
Geosci. Model Dev. Discuss., 4, 547-573, doi:10.5194/gmdd-4-547-2011, 2011
WRF4G: WRF experiment management made simple
Geosci. Model Dev. Discuss., 8, 6551-6582, doi:10.5194/gmdd-8-6551-2015, 2015
GO2OGS: a versatile workflow to integrate complex geological information with fault data into numerical simulation models
Summary: We offer a workflow to convert geological models into the open-source VTU format for the usage in numerical simulation models. Tackling relevant scientific questions or engineering tasks often involves multidisciplinary approaches. Conversion workflows are needed between the diverse tools of the various disciplines. Our approach offers an open-source, platform independent, robust, and comprehensible method that is potentially useful for a multitude of similar environmental studies.
Geosci. Model Dev. Discuss., 8, 6309-6348, doi:10.5194/gmdd-8-6309-2015, 2015
A simplified gross primary production and evapotranspiration model for boreal coniferous forests – is a generic calibration sufficient?
Geosci. Model Dev. Discuss., 8, 5089-5137, doi:10.5194/gmdd-8-5089-2015, 2015
A semi-Lagrangian advection scheme for radioactive tracers in a regional spectral model
Summary: In this study, the non-iteration dimensional-split semi-Lagrangian (NDSL) advection scheme is applied to the National Centers for Environmental Prediction (NCEP) regional spectral model (RSM) to alleviate the Gibbs phenomenon. The model runs for the Fukushima accident case study suggest that the NDSL can successfully advect radioactive tracers (iodine-131 and cesium-137) without noise from the Gibbs phenomenon.
Geosci. Model Dev. Discuss., 8, 4221-4243, doi:10.5194/gmdd-8-4221-2015, 2015
The Explicit Wake Parametrisation V1.0: a wind farm parametrisation in the mesoscale model WRF
Summary: We introduce a wind farm parametrisation for mesoscale models. The formulation accounts explicitly for the unresolved wake expansion within a turbine containing grid-cell. Turbulence Kinetic Energy (TKE) production results only from a changed shear in velocity. The modelled wind speed recovery behind an offshore wind farm agrees well with observations from mast measurements. The vertical structure of the TKE and the velocity profile correspond qualitatively to that simulated with LES model.
Geosci. Model Dev. Discuss., 8, 3481-3522, doi:10.5194/gmdd-8-3481-2015, 2015
A new sub-grid surface mass balance and flux model for continental-scale ice sheet modelling: validation and last glacial cycle
Summary: A long-term challenge for any model of complex large-scale processes is accounting for the impact of unresolved sub-grid (SG) processes. We quantify the impact of SG mass-balance and ice fluxes on glacial cycle ensemble results for North America. We find no easy solutions to accurately capture these impacts. We show that SG process representation and associated parametric uncertainties can have significant impact on coarse resolution model results for glacial cycle ice sheet evolution.
Geosci. Model Dev. Discuss., 8, 3037-3077, doi:10.5194/gmdd-8-3037-2015, 2015
The implementation of a MiXed Layer model (MXL, v1.0) for the dynamics of the atmospheric boundary layer in the Modular Earth Submodel System (MESSy)
Geosci. Model Dev. Discuss., 7, 7197-7238, doi:10.5194/gmdd-7-7197-2014, 2014
The impact of periodization methods on the kinetic energy spectra for limited-area numerical weather prediction models
Geosci. Model Dev. Discuss., 7, 6489-6518, doi:10.5194/gmdd-7-6489-2014, 2014
RRAWFLOW: Rainfall-Response Aquifer and Watershed Flow Model (v1.11)
Geosci. Model Dev. Discuss., 7, 5919-5963, doi:10.5194/gmdd-7-5919-2014, 2014
Implementation and comparison of a suite of heat stress metrics within the Community Land Model version 4.5
Geosci. Model Dev. Discuss., 7, 5197-5248, doi:10.5194/gmdd-7-5197-2014, 2014
Pan-spectral observing system simulation experiments of shortwave reflectance and longwave radiance for climate model evaluation
Geosci. Model Dev. Discuss., 7, 3647-3670, doi:10.5194/gmdd-7-3647-2014, 2014
Coupling between the JULES land-surface scheme and the CCATT-BRAMS atmospheric chemistry model (JULES-CCATT-BRAMS1.0): applications to numerical weather forecasting and the CO2 budget in South America
Geosci. Model Dev. Discuss., 6, 453-494, doi:10.5194/gmdd-6-453-2013, 2013
ECOCLIMAP-II/Europe: a twofold database of ecosystems and surface parameters at 1-km resolution based on satellite information for use in land surface, meteorological and climate models
Geosci. Model Dev. Discuss., 5, 3573-3620, doi:10.5194/gmdd-5-3573-2012, 2012
Towards an online-coupled chemistry-climate model: evaluation of COSMO-ART
Geosci. Model Dev. Discuss., 4, 1809-1874, doi:10.5194/gmdd-4-1809-2011, 2011
Analyzing numerics of bulk microphysics schemes in Community models: warm rain processes
Geosci. Model Dev. Discuss., 4, 1403-1434, doi:10.5194/gmdd-4-1403-2011, 2011
A low-order coupled chemistry meteorology model for testing online and offline data assimilation schemes
Summary: The focus is on the development of low-order models of atmospheric transport and chemistry and their use for data assimilation purposes. A new low-order coupled chemistry meteorology model is developed. It consists of the Lorenz40-variable model used as a wind field coupled with a simple ozone photochemistry module. Advanced ensemble variational methods are applied to this model to obtain insights on the use of data assimilation with coupled models, in an offline mode or in an online mode.
Geosci. Model Dev. Discuss., 8, 7347-7394, doi:10.5194/gmdd-8-7347-2015, 2015
CESM/CAM5 improvement and application: comparison and evaluation of updated CB05_GE and MOZART-4 gas-phase mechanisms and associated impacts on global air quality and climate
Summary: The global simulations with CB05_GE and MOZART-4x predict similar chemical profiles for major gases compared to aircraft measurements, with better agreement for NOy profile by CB05_GE. The SOA concentrations of SOA at four sites in CONUS and organic carbon over the IMPROVE sites are better predicted by MOZART-4x. The two simulations result in a global average difference of 0.5W m-2 in simulated shortwave cloud radiative forcing, with up to 13.6W m-2 over subtropical regions.
Geosci. Model Dev. Discuss., 8, 7189-7247, doi:10.5194/gmdd-8-7189-2015, 2015
Simulating the thermal regime and thaw processes of ice-rich permafrost ground with the land-surface model CryoGrid 3
Summary: Thawing of permafrost is governed by a complex interplay of different processes, of which only conductive heat transfer is taken into account in most model studies. We present a new land-surface scheme designed for permafrost applications, CryoGrid 3, which constitutes a flexible platform to explore new parameterizations for a range of permafrost processes.
Geosci. Model Dev. Discuss., 8, 6931-6986, doi:10.5194/gmdd-8-6931-2015, 2015
Distributed visualization of gridded geophysical data: a web API for carbon flux
Summary: The Carbon Data Explorer is presented as a prototype application for data management, analysis, visualization, and sharing of Earth system science datasets, particularly gridded spatiotemporal datasets (e.g., NASA Level III data products) such as gridded climate model predictions and reanalysis data. In response to CMIP6, the Carbon Data Explorer provides a framework for the distributed analysis of climate model outputs. It is hoped that it will inspire the future development of similar tools.
Geosci. Model Dev. Discuss., 8, 5741-5761, doi:10.5194/gmdd-8-5741-2015, 2015
Taking off the training wheels: the properties of a dynamic vegetation model without climate envelopes
Summary: Predicting the distribution of vegetation under novel climates is important, both to understand how climate change will impact ecosystem services, but also for understanding how vegetation changes might affect the carbon, energy and water cycles. Historically, predictions have been heavily dependent upon observations of existing vegetation boundaries. In this paper, we attempt to predict ecosystem boundaries from the 'bottom up', and illustrate the complexities and promise of this approach.
Geosci. Model Dev. Discuss., 8, 3293-3357, doi:10.5194/gmdd-8-3293-2015, 2015
The Yale Interactive terrestrial Biosphere model: description, evaluation and implementation into NASA GISS ModelE2
Summary: The Yale Interactive Terrestrial Biosphere Model (YIBs) predicts land carbon fluxes and tree growth based on mature schemes but with special updates in phenology, ozone vegetation damage, and photosynthetic-dependent biogenic volatile organic compound. Evaluations with data from 145 flux tower sites and multiple satellite products show that the model predicts reasonable magnitude, seasonality, and spatial distribution of land carbon fluxes.
Geosci. Model Dev. Discuss., 8, 3147-3196, doi:10.5194/gmdd-8-3147-2015, 2015
Validating a 1-D SVAT model in a range of USA and Australian ecosystems: evidence towards its use as a tool to study Earth's system interactions
Summary: The performance of the SimSphere SVAT model was comprehensively validated against in situ measurements from selected USA and Australian sites belonging to the FLUXNET monitoring network for 2011. Results obtained confirmed the correspondence of the model structure to real conditions for which it had been parameterised, evidencing its ability to reproduce outputs akin to the in situ reference data.To our knowledge this is the first comprehensive validation of SimSphere for Australia and USA.
Geosci. Model Dev. Discuss., 8, 2437-2495, doi:10.5194/gmdd-8-2437-2015, 2015
Representing life in the Earth system with soil microbial functional traits in the MIMICS model
Summary: Projecting biogeochemical responses to environmental change requires multi-scaled perspectives. However, microbes, the drivers of soil organic matter decomposition and stabilization, remain notably absent from models used to project carbon cycle – climate feedbacks. Here, we apply and evaluate representations of microbial functional diversity across scales and find that such representations may be critical to accurately project soil carbon dynamics in a changing world.
Geosci. Model Dev. Discuss., 8, 2011-2052, doi:10.5194/gmdd-8-2011-2015, 2015
Evaluation of near surface ozone over Europe from the MACC reanalysis
Summary: This work is an extended evaluation of near surface ozone as part of the global reanalysis of atmospheric composition, produced within the European Funded project MACC (Monitoring Atmospheric Composition and Climate). It includes an evaluation over the period 2003-2012 and provides an overall assessment of the modelling system performance with respect to near surface ozone for specific European subregions.
Geosci. Model Dev. Discuss., 8, 1077-1115, doi:10.5194/gmdd-8-1077-2015, 2015
ICON-ART 1.0 – a new online-coupled model system from the global to regional scale
Geosci. Model Dev. Discuss., 8, 567-614, doi:10.5194/gmdd-8-567-2015, 2015
simpleGAMMA – a reduced model of secondary organic aerosol formation in the aqueous aerosol phase (aaSOA)
Geosci. Model Dev. Discuss., 8, 463-482, doi:10.5194/gmdd-8-463-2015, 2015
A two-layer canopy with thermal inertia for an improved modelling of the sub-canopy snowpack energy-balance
Summary: We improve the canopy module of a very detailed snow model, Snowpack, with a view of a more consistant representation of the sub-canopy energy balance, of interest for the snowpack. We show that adding a formulation of (i) the canopy heat capacity and (ii) a lowermost canopy layer (alike trunk + solar shaded leaves) yields significant improvement in the representation of sub-canopy incoming longwave radiations, especially at nighttime. This energy is a contributor to snowmelt.
Geosci. Model Dev. Discuss., 8, 209-262, doi:10.5194/gmdd-8-209-2015, 2015
Albany/FELIX: a parallel, scalable and robust, finite element, first-order Stokes approximation ice sheet solver built for advanced analysis
Summary: In this manuscript, we discuss the development and validation of a new momentum balance solver for modeling the flow of glaciers and ice sheets based on the 1st order Stokes equations. We demonstrate the numerical convergence of our solver (with respect to computational mesh spacing), its flexibility (with respect to both the choice of mesh and finite element type), and its computational performance (robustness and scalability when applied to both idealized and realistic ice sheet simulations).
Geosci. Model Dev. Discuss., 7, 8079-8149, doi:10.5194/gmdd-7-8079-2014, 2014
Implementing marine organic aerosols into the GEOS-Chem model
Geosci. Model Dev. Discuss., 7, 5965-5992, doi:10.5194/gmdd-7-5965-2014, 2014
A simplified permafrost-carbon model for long-term climate studies with the CLIMBER-2 coupled earth system model
Geosci. Model Dev. Discuss., 7, 4931-4992, doi:10.5194/gmdd-7-4931-2014, 2014
A Lagrangian Advection scheme with Shape Matrix (LASM) for solving advection problems
Geosci. Model Dev. Discuss., 7, 4829-4873, doi:10.5194/gmdd-7-4829-2014, 2014
C-Coupler1: a Chinese community coupler for Earth System Modelling
Geosci. Model Dev. Discuss., 7, 3889-3936, doi:10.5194/gmdd-7-3889-2014, 2014
Modeling stomatal conductance in the Earth system: linking leaf water-use efficiency and water transport along the soil-plant-atmosphere continuum
Geosci. Model Dev. Discuss., 7, 3085-3159, doi:10.5194/gmdd-7-3085-2014, 2014
Model–data fusion across ecosystems: from multi-site optimizations to global simulations
Geosci. Model Dev. Discuss., 7, 2961-3011, doi:10.5194/gmdd-7-2961-2014, 2014
Description and basic evaluation of BNU-ESM version 1
Geosci. Model Dev. Discuss., 7, 1601-1647, doi:10.5194/gmdd-7-1601-2014, 2014
Root mean square error (RMSE) or mean absolute error (MAE)?
Geosci. Model Dev. Discuss., 7, 1525-1534, doi:10.5194/gmdd-7-1525-2014, 2014
Influences of calibration data length and data period on model parameterization and quantification of terrestrial ecosystem carbon dynamics
Geosci. Model Dev. Discuss., 6, 6835-6865, doi:10.5194/gmdd-6-6835-2013, 2013
Radiation sensitivity tests of the HARMONIE 37h1 NWP model
Geosci. Model Dev. Discuss., 6, 6775-6834, doi:10.5194/gmdd-6-6775-2013, 2013
Non-orthogonal version of the arbitrary polygonal C-grid and a new diamond grid
Geosci. Model Dev. Discuss., 6, 6035-6074, doi:10.5194/gmdd-6-6035-2013, 2013
A database and tool for boundary conditions for regional air quality modeling: description and evaluation
Geosci. Model Dev. Discuss., 6, 4665-4704, doi:10.5194/gmdd-6-4665-2013, 2013
Speeding up a Lagrangian ice microphysics code
Geosci. Model Dev. Discuss., 6, 3787-3817, doi:10.5194/gmdd-6-3787-2013, 2013
Dynamic coupling of regional atmosphere to biosphere in the new generation regional climate system model REMO-iMOVE
Geosci. Model Dev. Discuss., 6, 3085-3135, doi:10.5194/gmdd-6-3085-2013, 2013
The CSIRO Mk3L climate system model version 1.0 – Part 2: Response to external forcings
Geosci. Model Dev. Discuss., 4, 3363-3435, doi:10.5194/gmdd-4-3363-2011, 2011
Wavelet-based spatial comparison technique for analysing and evaluating two-dimensional geophysical model fields
Geosci. Model Dev. Discuss., 4, 3161-3183, doi:10.5194/gmdd-4-3161-2011, 2011
The detailed snowpack scheme Crocus and its implementation in SURFEX v7
Geosci. Model Dev. Discuss., 4, 2365-2415, doi:10.5194/gmdd-4-2365-2011, 2011
MIROC-ESM: model description and basic results of CMIP5-20c3m experiments
Geosci. Model Dev. Discuss., 4, 1063-1128, doi:10.5194/gmdd-4-1063-2011, 2011
Coupled atmosphere-wildland fire modeling with WRF-Fire version 3.3
Geosci. Model Dev. Discuss., 4, 497-545, doi:10.5194/gmdd-4-497-2011, 2011
The CSIRO Mk3L climate system model version 1.0 – Part 1: Description and evaluation
Geosci. Model Dev. Discuss., 4, 219-287, doi:10.5194/gmdd-4-219-2011, 2011
Current status of the ability of the GEMS/MACC models to reproduce the tropospheric CO vertical distribution as measured by MOZAIC
Geosci. Model Dev. Discuss., 3, 391-449, doi:10.5194/gmdd-3-391-2010, 2010
The Meteorology-Chemistry Interface Processor (MCIP) for the CMAQ modeling system
Geosci. Model Dev. Discuss., 2, 1449-1486, doi:10.5194/gmdd-2-1449-2009, 2009
Simulating emission and chemical evolution of coarse sea-salt particles in the Community Multiscale Air Quality (CMAQ) model
Geosci. Model Dev. Discuss., 2, 1335-1374, doi:10.5194/gmdd-2-1335-2009, 2009
Implementation and evaluation of an array of chemical solvers in a global chemical transport model
Geosci. Model Dev. Discuss., 2, 185-207, doi:10.5194/gmdd-2-185-2009, 2009
The role of ecosystem function and emergent relationships in the assessment of global marine ecosystem models: a case study with ERSEM
Summary: To use models to inform policy or to forecast the impact of climate change, the model must first be shown to be a valid representation of the ecosystem. Here we show an novel method to validate a marine model using its ability to represent ecosystem function. These relationships are: the community structure, the carbon to chlorophyll ratio and the stoichiometric balance of the ecosystem. These methods are powerful, valid over large spatial scales and independent of the circulation model.
Geosci. Model Dev. Discuss., 8, 6095-6141, doi:10.5194/gmdd-8-6095-2015, 2015
Evaluation of lateral boundary conditions in a regional chemical transport model
Summary: This study investigate the representation of hemispheric transport in a regional chemical transport model (CTM) in terms of lateral boundary conditions (LBCs). We evaluate the LBCs both directly with satellite retrievals and indirectly by forcing a regional CTM with LBCs and compare to in-domain observations. We believe that our work makes an important contribution to the methodology of validating LBCs for regional modelling.
Geosci. Model Dev. Discuss., 8, 5763-5808, doi:10.5194/gmdd-8-5763-2015, 2015
Development of a numerical system to improve particulate matter forecasts in South Korea using geostationary satellite-retrieved aerosol optical data over Northeast Asia
Summary: We developed an integrated air quality modeling system using AOD data retrieved from a geostationary satellite sensor, GOCI (Geostationary Ocean Color Imager) over Northeast Asia with an application of spatio-temporal kriging method, and conducted short-term hindcast runs using the developed system. It appears that the ST-kriging approach can greatly reduce not only the errors and biases of AOD and PM10 predictions but also a computational burden of chemical weather forecast (CWF).
Geosci. Model Dev. Discuss., 8, 5315-5366, doi:10.5194/gmdd-8-5315-2015, 2015
Simulating Secondary Inorganic Aerosols using the chemistry transport model MOCAGE version R2.15.0
Geosci. Model Dev. Discuss., 8, 3593-3651, doi:10.5194/gmdd-8-3593-2015, 2015
Matching soil grid unit resolutions with polygon unit scales for DNDC modelling of regional SOC pool
Summary: Matching soil grid unit resolution with polygon unit map scale is important to minimize uncertainty of regional soil organic carbon (SOC) pool simulation by DeNitrification–DeComposition (DNDC) process-based model as their strong influences on the uncertainty. A series of soil grid units at varying cell sizes were derived from soil polygon units. Both format soil units were used for regional SOC pool simulation with DNDC model, to determine an optimal raster resolution of grid simulation units.
Geosci. Model Dev. Discuss., 8, 2653-2689, doi:10.5194/gmdd-8-2653-2015, 2015
14C-age tracers in global ocean circulation models
Summary: The natural abundance of 14C in CO2 dissolved in seawater is often used to evaluate circulation and age in the ocean and in ocean models. We study limitations of using natural 14C to determine the time elapsed since water had contact with the atmosphere. We find that, globally, bulk 14C-age is dominated by two equally important components, (1) the time component of circulation and (2) the “preformed 14C-age”. Considering preformed 14C-age is critical for a assessment of circulation in models.
Geosci. Model Dev. Discuss., 7, 7033-7074, doi:10.5194/gmdd-7-7033-2014, 2014
Calculations of the integral invariant coordinates I and L* in the magnetosphere and mapping of the regions where I is conserved
Geosci. Model Dev. Discuss., 7, 6413-6437, doi:10.5194/gmdd-7-6413-2014, 2014
Mapping of satellite Earth observations using moving window block kriging
Geosci. Model Dev. Discuss., 7, 5381-5405, doi:10.5194/gmdd-7-5381-2014, 2014
Enhancing reproducibility of numerical simulation result on the C-Coupler platform
Geosci. Model Dev. Discuss., 7, 4429-4461, doi:10.5194/gmdd-7-4429-2014, 2014
A high-order conservative collocation scheme and its application to global shallow water equations
Geosci. Model Dev. Discuss., 7, 4251-4290, doi:10.5194/gmdd-7-4251-2014, 2014
MATCH–SALSA – Multi-scale Atmospheric Transport and CHemistry model coupled to the SALSA aerosol microphysics model – Part 1: Model description and evaluation
Geosci. Model Dev. Discuss., 7, 3265-3305, doi:10.5194/gmdd-7-3265-2014, 2014
Estimating soil organic carbon stocks of Swiss forest soils by robust external-drift kriging
Geosci. Model Dev. Discuss., 6, 7077-7116, doi:10.5194/gmdd-6-7077-2013, 2013
A 24-variable low-order coupled ocean–atmosphere model: OA-QG-WS v2
Geosci. Model Dev. Discuss., 6, 6569-6604, doi:10.5194/gmdd-6-6569-2013, 2013
The regional MiKlip decadal forecast ensemble for Europe
Geosci. Model Dev. Discuss., 6, 5711-5745, doi:10.5194/gmdd-6-5711-2013, 2013
The Cache la Poudre river basin snow water equivalent modeling with NewAge-JGrass
Geosci. Model Dev. Discuss., 6, 4447-4474, doi:10.5194/gmdd-6-4447-2013, 2013
Automating the solution of PDEs on the sphere and other manifolds in FEniCS 1.2
Geosci. Model Dev. Discuss., 6, 3557-3614, doi:10.5194/gmdd-6-3557-2013, 2013
TopoSCALE: deriving surface fluxes from gridded climate data
Geosci. Model Dev. Discuss., 6, 3381-3426, doi:10.5194/gmdd-6-3381-2013, 2013
Test of validity of a dynamic soil carbon model using data from leaf litter decomposition in a West African tropical forest
Geosci. Model Dev. Discuss., 6, 3003-3032, doi:10.5194/gmdd-6-3003-2013, 2013
The Simulator of the Timing and Magnitude of Pollen Season (STaMPS) model: a pollen production model for regional emission and transport modeling
Geosci. Model Dev. Discuss., 6, 2325-2368, doi:10.5194/gmdd-6-2325-2013, 2013
Enhancing the representation of subgrid land surface characteristics in land surface models
Geosci. Model Dev. Discuss., 6, 2177-2212, doi:10.5194/gmdd-6-2177-2013, 2013
MEDSLIK-II, a Lagrangian marine oil spill model for short-term forecasting – Part 2: Numerical simulations and validations
Geosci. Model Dev. Discuss., 6, 1999-2043, doi:10.5194/gmdd-6-1999-2013, 2013
Evaluation of WRF-SFIRE performance with field observations from the FireFlux experiment
Geosci. Model Dev. Discuss., 6, 121-169, doi:10.5194/gmdd-6-121-2013, 2013
Verification of SpacePy's radial diffusion radiation belt model
Geosci. Model Dev. Discuss., 4, 2165-2197, doi:10.5194/gmdd-4-2165-2011, 2011
The atmosphere-ocean general circulation model EMAC-MPIOM
Geosci. Model Dev. Discuss., 4, 457-495, doi:10.5194/gmdd-4-457-2011, 2011
A quasi chemistry-transport model mode for EMAC
Geosci. Model Dev. Discuss., 3, 2189-2220, doi:10.5194/gmdd-3-2189-2010, 2010
On the relationships between Michaelis–Menten kinetics, reverse Michaelis–Menten kinetics, Equilibrium Chemistry Approximation kinetics and quadratic kinetics
Summary: Neither the Michaelis-Menten kinetics nor the reverse Michaelis-Menten kinetics is a consistent approximation to the formulation of law of mass action. The ECA kinetics better approximates the exact solution obtained from the law of mass action and the total quasi-steady-state approximation. The ECA kinetics outperformed the MM kinetics and RMM kinetics in predicting the kinetic parametric sensitivity. The ECA kinetics is therefore expected to improve all soil biogeochemical models.
Geosci. Model Dev. Discuss., 8, 7663-7691, doi:10.5194/gmdd-8-7663-2015, 2015
The simple two-dimensional parameterisation for Flux Footprint Predictions FFP
Summary: Flux footprint models describe the surface area of influence of a flux measurement. They are used for designing flux tower sites, and for interpretation of flux measurements. The two-dimensional footprint parameterisation FFP presented here is suitable for processing large data sets, and, unlike other fast footprint models, FFP is applicable to day- or nighttime measurements, fluxes from short masts over grassland to tall towers over mature forests, and even to airborne flux measurements.
Geosci. Model Dev. Discuss., 8, 6757-6808, doi:10.5194/gmdd-8-6757-2015, 2015
Decadal evaluation of regional climate, air quality, and their interactions using WRF/Chem Version 3.6.1
Summary: The Weather Research and Forecasting model with Chemistry (WRF/Chem) v3.6.1 is evaluated for its first decadal application during 2001 - 2010 using the Representative Concentration Pathway 8.5 emissions. The model evaluation shows acceptable performance for long-term climatological simulations of most meteorological variables and chemical concentrations. Larger biases exist for aerosol-cloud-radiation variables, for which future model improvement should focus on.
Geosci. Model Dev. Discuss., 8, 6707-6756, doi:10.5194/gmdd-8-6707-2015, 2015
Implementation of the Community Earth System Model (CESM1, version 1.2.1) as a new basemodel into version 2.50 of the MESSy framework
Summary: The Community Earth System Model (CESM1) is connected to the the Modular Earth Submodel System (MESSy) as a new basemodel. This allows MESSy users the option to utilize either the state-of-the art spectral element atmosphere dynamical core or the finite volume core of CESM1. Additionally, this makes several other component models available to MESSy users.
Geosci. Model Dev. Discuss., 8, 6523-6550, doi:10.5194/gmdd-8-6523-2015, 2015
A global scale mechanistic model of the photosynthetic capacity
Summary: We developed a mechanistic model of leaf utilization of nitrogen for assimilation (LUNA V1.0) to predict the photosynthetic capacities at the global scale based on the optimization of key leaf-level metabolic processes. LUNA model predicted that future climatic changes would mostly affect plant photosynthetic capabilities in high-latitude regions and that Earth System models using fixed photosynthetic capabilities were likely to substantially overestimate future global photosynthesis.
Geosci. Model Dev. Discuss., 8, 6217-6266, doi:10.5194/gmdd-8-6217-2015, 2015
Experiments on sensitivity of meridional circulation and ozone flux to parameterizations of orographic gravity waves and QBO phases in a general circulation model of the middle atmosphere
Summary: We implemented improved parameterizations of orographic gravity wave dynamical and thermal effects and QBO flows into a general circulation model and study the sensitivity of meridional circulation and vertical velocity to the parameterizations at altitudes up to 100km. Stationary OGW effects gives changes up to 40% in the meridional velocity and associated ozone fluxes in the stratosphere. Transitions from the easterly to westerly QBO phase may alter meridional and vertical velocities by 60%.
Geosci. Model Dev. Discuss., 8, 5643-5670, doi:10.5194/gmdd-8-5643-2015, 2015
An approach for coupling higher and lower levels in marine ecosystem models and its application to the North Sea
Summary: This paper is a description of how very different higher and lower trophic level models (Ecopath with Ecosim) and ERSEM respectively can be coupled together using a metadata coupling system together with a number of examples of short and long range projections for end to end modelling. An extended discussion section outlines the challenges that will need to be met to develop useful end to end ecological modelling systems
Geosci. Model Dev. Discuss., 8, 5577-5618, doi:10.5194/gmdd-8-5577-2015, 2015
Implementation of an optimal stomatal conductance model in the Australian Community Climate Earth Systems Simulator (ACCESS1.3b)
Summary: We implement a new stomatal conductance model within a land surface model coupled to a global climate model. The new model differs from the default in that it allows model parameters to vary by the different plant functional types, derived from global synthesis of observations. We show that the new scheme results in improvements in the model climatology and improves existing biases by up to 10-20%.
Geosci. Model Dev. Discuss., 8, 5235-5264, doi:10.5194/gmdd-8-5235-2015, 2015
A unified parameterization of clouds and turbulence using CLUBB and subcolumns in the Community Atmosphere Model
Summary: This study evaluates a unified cloud parameterization and a Monte Carlo microphysics interface that is implemented in CAM v5.3. We show mean climate and tropical variability results from global simulations. The model has a degradation in precipitation skill but improvements in short-wave cloud forcing, liquid water path, long-wave cloud forcing, precipitable water, and tropical wave simulation. We also show estimation of computational expense and sensitivity to number of subcolumns.
Geosci. Model Dev. Discuss., 8, 5041-5088, doi:10.5194/gmdd-8-5041-2015, 2015
NCAR global model topography generation software for unstructured grids
Summary: This paper documents the NCAR global model topography generation software. The software generates elevation and related data for global atmospheric models. In the spirit of model development some exploratory simulations, varying the roughness of elevation, are presented.
Geosci. Model Dev. Discuss., 8, 4623-4651, doi:10.5194/gmdd-8-4623-2015, 2015
A sub-canopy structure for simulating oil palm in the Community Land Model: phenology, allocation and yield
Summary: A perennial oil palm plant function type is introduced and its specific multilayer structure, phenology, and carbon and nitrogen allocation functions are developed for modeling an important agricultural system in the tropics. Simulated LAI and yield were calibrated and validated with multiple sites in Sumatra, Indonesia. The new module allows exploring the effects of tropical land use change, from natural ecosystems to oil palm plantations on carbon, water and energy cycles and regional climate.
Geosci. Model Dev. Discuss., 8, 4545-4597, doi:10.5194/gmdd-8-4545-2015, 2015
A fully coupled Atmosphere–Ocean Wave modeling system (WEW) for the Mediterranean Sea: interactions and sensitivity to the resolved scales and mechanisms
Summary: This paper includes the entire steps and processes to develop a two-way fully coupled atmosphere-ocean wave model (WEW) aiming a better description and understanding of the exchange processes near the ocean surface. WEW offers a more realistic representation of the extreme weather and sea state events over the ocean bodies and finally leads in an overall improved simulations.
Geosci. Model Dev. Discuss., 8, 4075-4112, doi:10.5194/gmdd-8-4075-2015, 2015
S4CAST v2.0: sea surface temperature based statistical seasonal forecast model
Geosci. Model Dev. Discuss., 8, 3971-4018, doi:10.5194/gmdd-8-3971-2015, 2015
A new ensemble-based consistency test for the Community Earth System Model
Summary: Climate simulations codes are especially complex, and their on-going state of development requires frequent software quality assurance to both preserve code quality and instill model confidence. To formalize and simplify this previously subjective and expensive process, we have developed a new tool for evaluating climate consistency. The tool has proven its utility in detecting errors in software and hardware environments and providing rapid feedback to model developers.
Geosci. Model Dev. Discuss., 8, 3823-3859, doi:10.5194/gmdd-8-3823-2015, 2015
A 3-D RBF-FD elliptic solver for irregular boundaries: modeling the atmospheric global electric circuit with topography
Geosci. Model Dev. Discuss., 8, 3523-3564, doi:10.5194/gmdd-8-3523-2015, 2015
Representation of vegetation effects on the snow-covered albedo in the Noah land surface model with multiple physics options
Summary: Snow albedo varies with snow grain size, snow cover thickness, etc. It also depends on the spatial characteristics of land cover and on the canopy density and structure. The Noah-MP model shows a bias error of albedo in winter due to no proper reflection of the vegetation effect. We developed new parameters, called leaf index and stem index, which reflect the vegetation effect on winter albedo. The Noah-MP's performance in albedo has prominently improved with about 73% decrease in the RMS error.
Geosci. Model Dev. Discuss., 8, 3197-3218, doi:10.5194/gmdd-8-3197-2015, 2015
Increasing vertical mixing to reduce Southern Ocean deep convection in NEMO
Summary: Most ocean models, including NEMO, have unrealistic Southern Ocean deep convection. That is, through extensive areas of the Southern Ocean, they exhibit convection from the surface of the ocean to the sea floor. We find this convection to be an issue as it impacts the whole ocean circulation, notably strengthening the Antarctic Circumpolar Current. Using sensitivity experiments, we show that counter-intuitively the vertical mixing needs to be enhanced to reduce this spurious convection.
Geosci. Model Dev. Discuss., 8, 2949-2972, doi:10.5194/gmdd-8-2949-2015, 2015
Assessment of the uncertainty of snowpack simulations based on variance decomposition
Geosci. Model Dev. Discuss., 8, 2807-2845, doi:10.5194/gmdd-8-2807-2015, 2015
A parallelization scheme to simulate reactive transport in the subsurface environment with OGS#IPhreeqc
Summary: This technical paper presents a new tool to simulate reactive transport processes in subsurface systems, which couples the open source software packages OpenGeoSys and IPhreeqc. A flexible parallelization scheme was developed and implemented to enable an optimized allocation of computer resources. The performance tests of the coupling interface and parallelization scheme illustrate the promising efficiency of this generally valid approach to simulate reactive transport problems.
Geosci. Model Dev. Discuss., 8, 2369-2402, doi:10.5194/gmdd-8-2369-2015, 2015
Development and application of the WRFPLUS-Chem online chemistry adjoint and WRFDA-Chem assimilation system
Summary: WRFPLUS-Chem is a coupled meteorology-chemistry adjoint and tangent linear model, with applications in sensitivity analysis and four dimensional variational data assimilation. The linearized models are verified against finite difference approximations from the nonlinear forward model, WRF-Chem. A new checkpointing scheme enables data assimilation beyond six hours. New capabilities are demonstrated in an emission sensitivity study.
Geosci. Model Dev. Discuss., 8, 2313-2367, doi:10.5194/gmdd-8-2313-2015, 2015
Improving the dynamics of northern vegetation in the ORCHIDEE ecosystem model
Summary: This study presents a new parameterization of vegetation dynamics module in the process-based ecosystem model ORCHIDEE for mid-to-high latitude regions, showing significant improvements in the modeling of the distribution of tree functional types north of 40°N. A new set of metrics is proposed to quantify the performance of ORCHIDEE, which integrates uncertainties in the observational datasets.
Geosci. Model Dev. Discuss., 8, 2213-2270, doi:10.5194/gmdd-8-2213-2015, 2015
3-D visualization of ensemble weather forecasts – Part 2: Forecasting warm conveyor belt situations for aircraft-based field campaigns
Summary: This article presents the application of interactive 3D visualization of ensemble weather predictions to forecasting warm conveyor belt situations during aircraft-based atmospheric research campaigns. A method to predict 3D probabilities of the spatial occurrence of WCBs is developed and integrated into the 3D visualization tool "Met.3D", introduced in the first part of this two-paper study. A case study demonstrates the use of 3D and uncertainty visualization for weather forecasting.
Geosci. Model Dev. Discuss., 8, 2161-2212, doi:10.5194/gmdd-8-2161-2015, 2015
3-D visualization of ensemble weather forecasts – Part 1: The visualization tool Met.3D (version 1.0)
Summary: This article presents "Met.3D", a new open-source tool for the interactive 3D visualization of numerical ensemble weather predictions. Met.3D builds a bridge from proven 2D visualization methods commonly used in meteorology to 3D visualization and implements approaches to using the ensemble to allow the user to assess forecast uncertainty. The article is the first part of a two-paper study discussing how 3D and ensemble visualization can be used in a meaningful way suited to weather forecasting.
Geosci. Model Dev. Discuss., 8, 2101-2160, doi:10.5194/gmdd-8-2101-2015, 2015
Application of WRF/Chem version 3.4.1 over North America under the AQMEII Phase 2: evaluation of 2010 application and responses of air quality and meteorology–chemistry interactions to changes in emissions and meteorology from 2006 to 2010
Summary: The application of WRF/Chem to North America shows that it can reproduce most observations and their variation trends from 2006 to 2010. The inclusion of chemical feedbacks reduces biases in meteorological predictions in 2010 but increases errors comparing to WRF. The net changes in meteorology from 2006 to 2010 are mostly influenced by changes in meteorology and those of ozone and fine particles are influenced by changes in emissions and chemical BCONs, and to a lesser extent meteorology.
Geosci. Model Dev. Discuss., 8, 1639-1686, doi:10.5194/gmdd-8-1639-2015, 2015
The Parallelized Large-Eddy Simulation Model (PALM) version 4.0 for atmospheric and oceanic flows: model formulation, recent developments, and future perspectives
Summary: The paper gives a detailed description of the PArallelized Large-eddy simulation Model (PALM) version 4.0 for the simulation of turbulent atmospheric and oceanic boundary layer flows. The model is optimized for use on massively parallel computer architectures and has been applied for various boundary-layer research studies over the last 15 years by various work groups all over the world. Beside the model description we outline past PALM applications and also discuss future perspectives.
Geosci. Model Dev. Discuss., 8, 1539-1637, doi:10.5194/gmdd-8-1539-2015, 2015
GASAKe: forecasting landslide activations by a genetic-algorithms based hydrological model
Summary: A model for predicting the timing of activation of rainfall-induced landslides is presented. Calibration against real events is based on Genetic Algorithms, and provides a family of optimal solutions (kernels) that maximize the fitness function. Accordingly, a set of mobility functions is obtained through convolution with rainfall. Once properly validated, the model allows to estimating future landslide activations in the same study area, by employing either recorded or forecasted rainfall.
Geosci. Model Dev. Discuss., 8, 1225-1291, doi:10.5194/gmdd-8-1225-2015, 2015
Validation of reactive gases and aerosols in the MACC global analysis and forecast system
Summary: The MACC project is preparing the operational atmosphere service of the European Copernicus Programme, and uses data assimilation to combine atmospheric models with available observations. Our paper provides an overview of the aerosol and trace gas validation activity of MACC. Topics are the validation requirements, the measurement data, the assimilation systems, the upgrade procedure, operational aspects and the scoring methods. A summary is provided of recent results, including special events.
Geosci. Model Dev. Discuss., 8, 1117-1169, doi:10.5194/gmdd-8-1117-2015, 2015
Analysis of the impact of inhomogeneous emissions in a semi-parameterized street canyon model
Summary: Semi-parameterized street canyon models are popular due to their speed and low input requirements. One often used assumption is that emissions are homogeneously distributed in the entire length and width of the street. It is thus the aim of the present study to analyse the impact of this assumption by implementing an inhomogeneous emission geometry scheme and validating it. The results show an improved performance, however confounded by challenges estimating the emissions accurately.
Geosci. Model Dev. Discuss., 8, 935-977, doi:10.5194/gmdd-8-935-2015, 2015
The integrated Earth System Model (iESM): formulation and functionality
Summary: The integrated Earth System Model (iESM) has been developed as a new tool for projecting the joint human/climate system. The iESM is based upon coupling an Integrated assessment model (IAM) and an Earth system model (ESM) into a common modeling infrastructure. By introducing heretofore-omitted feedbacks between natural and societal drivers in iESM, we can improve scientific understanding of the human-Earth system dynamics.
Geosci. Model Dev. Discuss., 8, 381-427, doi:10.5194/gmdd-8-381-2015, 2015
gpuPOM: a GPU-based Princeton Ocean Model
Summary: This paper provides a full GPU accelerated solution of mpiPOM. We design and implement several optimizing methods: (i) computation optimization in a single GPU (ii) communication optimization among multiple GPUs (iii) I/O optimization between a hybrid GPU and CPU. Our experimental results indicate that the performance of the gpuPOM on a workstation containing 4 GPUs is comparable to a powerful cluster with 408 CPU cores and it reduces the energy consumption by 6.8 times.
Geosci. Model Dev. Discuss., 7, 7651-7691, doi:10.5194/gmdd-7-7651-2014, 2014
Development and evaluation of the Screening Trajectory Ozone Prediction System (STOPS, version 1.0)
Summary: This paper presents development and evaluation a hybrid Lagrangian-Eulerian modeling tool. In this tool, a small sub-domain follows a trajectory defined by the mean mixed-layer wind. The advantage of this tool compared to other Lagrangian models is its capability of utilizing realistic boundary conditions that change with space and time as well as a detailed treatment of chemical reactions.
Geosci. Model Dev. Discuss., 7, 7619-7649, doi:10.5194/gmdd-7-7619-2014, 2014
Development of a grid-independent GEOS-chem chemical transport model as an atmospheric chemistry module for Earth System Models
Summary: This paper presents results from the modularization of the GEOS-Chem Chemical Transport Model, and its coupling as the chemical operator within the NASA-GMAO GEOS-5 Earth System Model (ESM). The key findings are that chemistry within the modular GEOS-Chem system shows consistent, high strong-scaling properties across the range of distributed processors, transport is the limiting component prohibiting efficient scalability, and GEOS-Chem is able to generate suitable chemical results in an ESM.
Geosci. Model Dev. Discuss., 7, 7505-7524, doi:10.5194/gmdd-7-7505-2014, 2014
Simulation of groundwater and surface water over the continental US using a hyperresolution, integrated hydrologic model
Geosci. Model Dev. Discuss., 7, 7317-7349, doi:10.5194/gmdd-7-7317-2014, 2014
Technical challenges and solutions in representing lakes when using WRF in downscaling applications
Geosci. Model Dev. Discuss., 7, 7121-7150, doi:10.5194/gmdd-7-7121-2014, 2014
GNAQPMS-Hg v1.0, a global nested atmospheric mercury transport model: model description, evaluation and application to trans-boundary transport of Chinese anthropogenic emissions
Summary: 1.A new global nested atmospheric mercury transport model was developed and introduced. 2.Model performance was found significantly better in North America and Europe than in East Asia. 3.Nested simulation has been conducted in East Asia and shows improved skill at capturing the high spatial variability of Hg concentrations and deposition. 4.The trans-boundary transport of Chinese primary anthropogenic mercury emissions was quantified for the first time.
Geosci. Model Dev. Discuss., 7, 6949-6996, doi:10.5194/gmdd-7-6949-2014, 2014
Global sensitivity analysis, probabilistic calibration, and predictive assessment for the Data Assimilation Linked Ecosystem Carbon model
Summary: In this paper we propose a probabilistic framework for an uncertainty quantification study of a Carbon cycle model. We study model parameters via Global Sensitivity Analysis and employ a Bayesian approach to calibrate these parameters using net ecosystem exchange observations at the Harvard Forest site. Overall, this study leads to a 40% improvement in the predictive skill of the Carbon cycle model and highlights the importance of considering parameter correlations as informed by the data.
Geosci. Model Dev. Discuss., 7, 6893-6948, doi:10.5194/gmdd-7-6893-2014, 2014
NEMOTAM: tangent and adjoint models for the ocean modelling platform NEMO
Summary: This paper presents tha tangent and adjoint models for the NEMO ocean modelling framework. They are useful tools for sensitivity and stability analysis. The implementation choices and the validation of the code is presented as well as a selection of applications.
Geosci. Model Dev. Discuss., 7, 6705-6732, doi:10.5194/gmdd-7-6705-2014, 2014
Development and basic evaluation of a prognostic aerosol scheme in the CNRM Climate Model
Geosci. Model Dev. Discuss., 7, 6263-6325, doi:10.5194/gmdd-7-6263-2014, 2014
ModelE2-TOMAS development and evaluation using aerosol optical depths, mass and number concentrations
Geosci. Model Dev. Discuss., 7, 5831-5918, doi:10.5194/gmdd-7-5831-2014, 2014
Testing the performance of state-of-the-art dust emission schemes using DO4Models field data
Geosci. Model Dev. Discuss., 7, 5739-5789, doi:10.5194/gmdd-7-5739-2014, 2014
A sparse reconstruction method for the estimation of multiresolution emission fields via atmospheric inversion
Geosci. Model Dev. Discuss., 7, 5623-5659, doi:10.5194/gmdd-7-5623-2014, 2014
Tropical troposphere to stratosphere transport of carbon monoxide and long-lived trace species in the Chemical Lagrangian Model of the Stratosphere (CLaMS)
Geosci. Model Dev. Discuss., 7, 5087-5139, doi:10.5194/gmdd-7-5087-2014, 2014
FLEXINVERT: an atmospheric Bayesian inversion framework for determining surface fluxes of trace species using an optimized grid
Geosci. Model Dev. Discuss., 7, 3751-3801, doi:10.5194/gmdd-7-3751-2014, 2014
Sensitivity of simulated CO2 concentration to regridding of global fossil fuel CO2 emissions
Geosci. Model Dev. Discuss., 7, 3575-3593, doi:10.5194/gmdd-7-3575-2014, 2014
A fully coupled 3-D ice-sheet – sea-level model: algorithm and applications
Geosci. Model Dev. Discuss., 7, 3505-3544, doi:10.5194/gmdd-7-3505-2014, 2014
Improved routines to model the ocean carbonate system: mocsy 1.0
Geosci. Model Dev. Discuss., 7, 2877-2902, doi:10.5194/gmdd-7-2877-2014, 2014
Coupling the high complexity land surface model ACASA to the mesoscale model WRF
Geosci. Model Dev. Discuss., 7, 2829-2875, doi:10.5194/gmdd-7-2829-2014, 2014
Implementation of aerosol assimilation in Gridpoint Statistical Interpolation v. 3.2 and WRF-Chem v. 4.3.1
Geosci. Model Dev. Discuss., 7, 2483-2500, doi:10.5194/gmdd-7-2483-2014, 2014
An improved coupling model for water flow, sediment transport and bed evolution (CASFE v.1)
Geosci. Model Dev. Discuss., 7, 2429-2454, doi:10.5194/gmdd-7-2429-2014, 2014
Modelling fires in the terrestrial carbon balance by incorporating SPITFIRE into the global vegetation model ORCHIDEE – Part 1: Simulating historical global burned area and fire regime
Geosci. Model Dev. Discuss., 7, 2377-2427, doi:10.5194/gmdd-7-2377-2014, 2014
Air quality forecasts at kilometer scale grid over Spanish complex terrains
Geosci. Model Dev. Discuss., 7, 2293-2334, doi:10.5194/gmdd-7-2293-2014, 2014
An efficient method for discerning climate-relevant sensitivities in atmospheric general circulation models
Geosci. Model Dev. Discuss., 7, 2173-2216, doi:10.5194/gmdd-7-2173-2014, 2014
Simulation of tropospheric chemistry and aerosols with the climate model EC-Earth
Geosci. Model Dev. Discuss., 7, 1933-2006, doi:10.5194/gmdd-7-1933-2014, 2014
Formulation, calibration and validation of the DAIS model (version 1), a simple Antarctic Ice Sheet model sensitive to variations of sea level and ocean subsurface temperature
Geosci. Model Dev. Discuss., 7, 1791-1827, doi:10.5194/gmdd-7-1791-2014, 2014
A multiresolution spatial parameterization for the estimation of fossil-fuel carbon dioxide emissions via atmospheric inversions
Geosci. Model Dev. Discuss., 7, 1277-1315, doi:10.5194/gmdd-7-1277-2014, 2014
Semi-Lagrangian transport of oxygen isotopes in polythermal ice sheets: implementation and first results
Geosci. Model Dev. Discuss., 7, 1137-1174, doi:10.5194/gmdd-7-1137-2014, 2014
Long residence times of rapidly decomposable soil organic matter: application of a multi-phase, multi-component, and vertically-resolved model (TOUGHREACTv1) to soil carbon dynamics
Geosci. Model Dev. Discuss., 7, 815-870, doi:10.5194/gmdd-7-815-2014, 2014
Simultaneous parameterization of the two-source evapotranspiration model by Bayesian approach: application to spring maize in an arid region of northwest China
Geosci. Model Dev. Discuss., 7, 741-775, doi:10.5194/gmdd-7-741-2014, 2014
Comparison of the ensemble Kalman filter and 4D-Var assimilation methods using a stratospheric tracer transport model
Geosci. Model Dev. Discuss., 7, 339-377, doi:10.5194/gmdd-7-339-2014, 2014
IPR 1.0: an efficient method for calculating solar radiation absorbed by individual plants in sparse heterogeneous woody plant communities
Geosci. Model Dev. Discuss., 6, 6927-6974, doi:10.5194/gmdd-6-6927-2013, 2013
A mimetic, semi-implicit, forward-in-time, finite volume shallow water model: comparison of hexagonal–icosahedral and cubed sphere grids
Geosci. Model Dev. Discuss., 6, 6867-6925, doi:10.5194/gmdd-6-6867-2013, 2013
A novel model evaluation approach focussing on local and advected contributions to urban PM2.5 levels – application to Paris, France
Geosci. Model Dev. Discuss., 6, 6391-6457, doi:10.5194/gmdd-6-6391-2013, 2013
Verification of an ADER-DG method for complex dynamic rupture problems
Geosci. Model Dev. Discuss., 6, 5981-6034, doi:10.5194/gmdd-6-5981-2013, 2013
Earth Orbit v2.1: a 3-D visualization and analysis model of Earth's orbit, Milankovitch cycles and insolation
Geosci. Model Dev. Discuss., 6, 5947-5980, doi:10.5194/gmdd-6-5947-2013, 2013
Are vegetation-specific model parameters required for estimating gross primary production?
Geosci. Model Dev. Discuss., 6, 5475-5488, doi:10.5194/gmdd-6-5475-2013, 2013
Modelling methane emissions from natural wetlands: TRIPLEX-GHG model integration, sensitivity analysis, and calibration
Geosci. Model Dev. Discuss., 6, 5423-5473, doi:10.5194/gmdd-6-5423-2013, 2013
A standard test case suite for two-dimensional linear transport on the sphere: results from a collection of state-of-the-art schemes
Geosci. Model Dev. Discuss., 6, 4983-5076, doi:10.5194/gmdd-6-4983-2013, 2013
Modeling different freeze/thaw processes in heterogeneous landscapes of the Arctic polygonal tundra using an ecosystem model
Geosci. Model Dev. Discuss., 6, 4883-4932, doi:10.5194/gmdd-6-4883-2013, 2013
A distributed computing approach to improve the performance of the Parallel Ocean Program (v2.1)
Geosci. Model Dev. Discuss., 6, 4705-4744, doi:10.5194/gmdd-6-4705-2013, 2013
Atmospheric inverse modeling with known physical bounds: an example from trace gas emissions
Geosci. Model Dev. Discuss., 6, 4531-4562, doi:10.5194/gmdd-6-4531-2013, 2013
A new mixed-mode fracture criterion for large scale lattice models
Geosci. Model Dev. Discuss., 6, 4327-4343, doi:10.5194/gmdd-6-4327-2013, 2013
Accuracy of the zeroth and second order shallow ice approximation – numerical and theoretical results
Geosci. Model Dev. Discuss., 6, 4281-4325, doi:10.5194/gmdd-6-4281-2013, 2013
Equivalent sensor radiance generation and remote sensing from model parameters – Part 1: Equivalent sensor radiance formulation
Geosci. Model Dev. Discuss., 6, 4105-4136, doi:10.5194/gmdd-6-4105-2013, 2013
The Finite Element Sea ice-Ocean Model (FESOM): formulation of an unstructured-mesh ocean general circulation model
Geosci. Model Dev. Discuss., 6, 3893-3976, doi:10.5194/gmdd-6-3893-2013, 2013
Using the UM dynamical cores to reproduce idealised 3-D flows
Geosci. Model Dev. Discuss., 6, 3681-3741, doi:10.5194/gmdd-6-3681-2013, 2013
PLASIM-ENTSem: a spatio-temporal emulator of future climate change for impacts assessment
Geosci. Model Dev. Discuss., 6, 3349-3380, doi:10.5194/gmdd-6-3349-2013, 2013
RIMBAY – a multi-physics 3-D ice-dynamics model for comprehensive applications: model-description and examples
Geosci. Model Dev. Discuss., 6, 3289-3347, doi:10.5194/gmdd-6-3289-2013, 2013
A generic biogeochemical module for earth system models
Geosci. Model Dev. Discuss., 6, 3211-3240, doi:10.5194/gmdd-6-3211-2013, 2013
Regional scale ozone data assimilation using an Ensemble Kalman Filter and the CHIMERE Chemical-Transport Model
Geosci. Model Dev. Discuss., 6, 3033-3083, doi:10.5194/gmdd-6-3033-2013, 2013
A technique for generating consistent ice sheet initial conditions for coupled ice-sheet/climate models
Geosci. Model Dev. Discuss., 6, 2491-2516, doi:10.5194/gmdd-6-2491-2013, 2013
The potential of an observational data set for calibration of a computationally expensive computer model
Geosci. Model Dev. Discuss., 6, 2369-2401, doi:10.5194/gmdd-6-2369-2013, 2013
The Subgrid Importance Latin Hypercube Sampler (SILHS): a multivariate subcolumn generator
Geosci. Model Dev. Discuss., 6, 2137-2175, doi:10.5194/gmdd-6-2137-2013, 2013
Evaluation of dust and trace metal estimates from the Community Multiscale Air Quality (CMAQ) model version 5.0
Geosci. Model Dev. Discuss., 6, 1859-1899, doi:10.5194/gmdd-6-1859-2013, 2013
A refined statistical cloud closure using double-Gaussian probability density functions
Geosci. Model Dev. Discuss., 6, 1085-1125, doi:10.5194/gmdd-6-1085-2013, 2013
A cloud chemistry module for the 3-D cloud-resolving mesoscale model Meso-NH with application to idealized cases
Geosci. Model Dev. Discuss., 6, 957-1020, doi:10.5194/gmdd-6-957-2013, 2013
Numerical issues associated with compensating and competing processes in climate models: an example from ECHAM-HAM
Geosci. Model Dev. Discuss., 6, 685-720, doi:10.5194/gmdd-6-685-2013, 2013
A semi-implicit, second order accurate numerical model for multiphase underexpanded volcanic jets
Geosci. Model Dev. Discuss., 6, 399-452, doi:10.5194/gmdd-6-399-2013, 2013
PRACTISE – Photo Rectification And ClassificaTIon SoftwarE (V.1.0)
Geosci. Model Dev. Discuss., 6, 171-202, doi:10.5194/gmdd-6-171-2013, 2013
Simulating the mid-Pliocene Warm Period with the CCSM4 model
Geosci. Model Dev. Discuss., 5, 4269-4303, doi:10.5194/gmdd-5-4269-2012, 2012
Modeling the Caspian Sea and its catchment area using a coupled regional atmosphere-ocean model (RegCM-ROMS): model design and preliminary results
Geosci. Model Dev. Discuss., 5, 3907-3955, doi:10.5194/gmdd-5-3907-2012, 2012
A mass conserving and multi-tracer efficient transport scheme in the online integrated Enviro-HIRLAM model
Geosci. Model Dev. Discuss., 5, 3733-3769, doi:10.5194/gmdd-5-3733-2012, 2012
Aerosol-climate interactions in the Norwegian Earth System Model – NorESM
Geosci. Model Dev. Discuss., 5, 2599-2685, doi:10.5194/gmdd-5-2599-2012, 2012
SPITFIRE-2: an improved fire module for Dynamic Global Vegetation Models
Geosci. Model Dev. Discuss., 5, 2347-2443, doi:10.5194/gmdd-5-2347-2012, 2012
Activation of the operational ecohydrodynamic model (3-D CEMBS) – the hydrodynamic part
Geosci. Model Dev. Discuss., 5, 1851-1875, doi:10.5194/gmdd-5-1851-2012, 2012
Lidar signal simulation for the evaluation of aerosols in chemistry-transport models
Geosci. Model Dev. Discuss., 5, 1691-1741, doi:10.5194/gmdd-5-1691-2012, 2012
Development of high resolution land surface parameters for the Community Land Model
Geosci. Model Dev. Discuss., 5, 1435-1481, doi:10.5194/gmdd-5-1435-2012, 2012
Development of a parameterization of black carbon aging for use in general circulation models
Geosci. Model Dev. Discuss., 5, 1263-1293, doi:10.5194/gmdd-5-1263-2012, 2012
Pre-industrial and mid-Pliocene simulations with NorESM-L – AGCM simulations
Geosci. Model Dev. Discuss., 5, 1203-1227, doi:10.5194/gmdd-5-1203-2012, 2012
A new marine ecosystem model for the University of Victoria Earth system climate model
Geosci. Model Dev. Discuss., 5, 1135-1201, doi:10.5194/gmdd-5-1135-2012, 2012
TopoSUB: a tool for efficient large area numerical modelling in complex topography at sub-grid scales
Geosci. Model Dev. Discuss., 5, 1041-1076, doi:10.5194/gmdd-5-1041-2012, 2012