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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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https://doi.org/10.5194/gmd-2020-52
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-2020-52
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: model description paper 06 May 2020

Submitted as: model description paper | 06 May 2020

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This preprint is currently under review for the journal GMD.

Dynamic Anthropogenic activitieS impacting Heat emissions (DASHv1.0): Development and evaluation

Isabella Capel-Timms1,2, Stefán Thor Smith2, Ting Sun1, and Sue Grimmond1 Isabella Capel-Timms et al.
  • 1Department of Meteorology, University of Reading, UKRG6 6BB
  • 2School of Built Environment, University of Reading, UKRG6 6DF

Abstract. Thermal emissions or anthropogenic heat fluxes (QF) from human activities impact the local and larger scales urban climate. DASH considers both urban form and function in simulating QF by use of an agent-based structure that includes behavioural characteristics of city populations. This allows social practices to drive the calculation of QF as occupants move, varying by day type, demographic, location, activity, socio-economic factors and in response to environmental conditions. The spatial resolution depends on data availability. DASH has simple transport and building energy models to allow simulation of dynamic vehicle use, occupancy and heating/cooling demand, with subsequent release of energy to the outdoor environment through the building fabric. Building stock variations are captured using archetypes. Evaluation of DASH in Greater London for various periods in 2015 uses a top-down inventory model (GQF) and national energy consumption statistics. DASH reproduces the expected spatial and temporal patterns of QF but the annual average is smaller than published energy data. Overall the model generally performs well, including for domestic appliance energy use against top down model results. DASH could be coupled to an urban land surface model and/or used offline for developing coefficients for simpler/faster models.

Isabella Capel-Timms et al.

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Status: open (until 01 Jul 2020)
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Isabella Capel-Timms et al.

Data sets

Dynamic Anthropogenic activitieS impacting Heat emissions (DASH v1.0): Development and evaluation I. Capel-Timms, S. T. Smith, T. Sun, and S. Grimmond https://doi.org/10.5281/zenodo.3745524

Model code and software

ynamic Anthropogenic activitieS impacting Heat emissions (DASH v1.0): Development and evaluation I. Capel-Timms, S. T. Smith, T. Sun, and S. Grimmond https://doi.org/10.5281/zenodo.3745524

Isabella Capel-Timms et al.

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Short summary
Thermal emissions or anthropogenic heat fluxes (QF) from human activities impact the local and larger scales urban climate. DASH considers both urban form and function in simulating QF by use of an agent-based structure that includes behavioural characteristics of city populations. This allows social practices to drive the calculation of QF as occupants move, varying by day type, demographic, location, activity, socio-economic factors and in response to environmental conditions.
Thermal emissions or anthropogenic heat fluxes (QF) from human activities impact the local and...
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