Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
© Author(s) 2010. This work is distributed
under the Creative Commons Attribution 3.0 License.
13 Sep 2010
Review status
A revision of this discussion paper for further review has not been submitted.
Linkage between an advanced air quality model and a mechanistic watershed model
K. Vijayaraghavan1,*, J. Herr2, S.-Y. Chen1,*, and E. Knipping3 1Atmospheric & Environmental Research, Inc. (AER) 388 Market Street, Suite 750, San Francisco, CA 94111, USA
2Systech Water Resources, Inc. 1200 Mount Diablo Blvd, Suite 102, Walnut Creek, CA 94596, USA
3Electric Power Research Institute (EPRI) 2000 L Street NW Suite 805, Washington, DC 20036, USA
*now at: ENVIRON International Corporation (ENVIRON) 773 San Marin Drive Suite 2115, Novato, CA 94998, USA
Abstract. An offline linkage between two advanced multi-pollutant air quality and watershed models is presented. The models linked are (1) the Advanced Modeling System for Transport, Emissions, Reactions and Deposition of Atmospheric Matter (AMSTERDAM) (a three-dimensional Eulerian plume-in-grid model derived from the Community Multiscale Air Quality (CMAQ) model) and (2) the Watershed Analysis Risk Management Framework (WARMF). The pollutants linked include gaseous and particulate nitrogen, sulfur and mercury compounds. The linkage may also be used to obtain meteorological fields such as precipitation and air temperature required by WARMF from the outputs of the meteorology chemistry interface processor (MCIP) that processes meteorology simulated by the fifth generation Mesoscale Model (MM5) or the Weather Research and Forecast (WRF) model for input to AMSTERDAM. The linkage is tested in the Catawba River basin of North and South Carolina for ammonium, nitrate and sulfate. Modeled air quality and meteorological fields transferred by the linkage can supplement the conventional measurements used to drive WARMF and may be used to help predict the impact of changes in atmospheric emissions on water quality.

Citation: Vijayaraghavan, K., Herr, J., Chen, S.-Y., and Knipping, E.: Linkage between an advanced air quality model and a mechanistic watershed model, Geosci. Model Dev. Discuss., 3, 1503-1548, doi:10.5194/gmdd-3-1503-2010, 2010.
K. Vijayaraghavan et al.
K. Vijayaraghavan et al.


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