||Modeling stomatal response to atmospheric humidity /
Plelm, Jonathan E. ;
Pleim, J. E.
||Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab.
|| U.S. Environmental Protection Agency, National Exposure Research Laboratory, Atmospheric Sciences Modeling Division, NOAA,
Atmospheric moisture ;
Soil-water-plant relationships ;
Land surface temperature ;
Air land interactions ;
Atmospheric chemistry ;
Meteorological data ;
Mesoscale phenomena ;
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||6 pages ; 28 cm
Our primary interest is to find the most realistic, robust, practical, and economical way to represent the effects of humidity on stomatal conductance in a mesoscale meteorology and air quality model system. In particular, the authors have developed a land surface model, coupled to the Penn State/NCAR Mesoscale Meteorology model (MM5) and the Community Multiscale Air Quality (CMAQ) model to simulate both evapotranspiration and chemical dry deposition. This paper describes a series of modeling experiments where several parameterizations of stomatal response to humidity are studied. The test code is simply extracted from the 3-D grid model so that the results are directly applicale to the mesoscale modeling system.