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Assimilating Remote Ammonia Observations with a Refined Aerosol Thermodynamics Adjoint"
Citation:
Capps, S., D. Henze, K. Cady-Pereira, Z. Jiang, R. Pinder, A. Russell, AND A. Nenes. Assimilating Remote Ammonia Observations with a Refined Aerosol Thermodynamics Adjoint". Global Emissions InitiAtive, Boulder, CO, June 10 - 11, 2014.
Impact/Purpose:
The National Exposure Research Laboratory (NERL) Atmospheric Modeling and Analysis Division (AMAD) conducts research in support of EPA mission to protect human health and the environment. AMAD research program is engaged in developing and evaluating predictive atmospheric models on all spatial and temporal scales for forecasting the air quality and for assessing changes in air quality and air pollutant exposures, as affected by changes in ecosystem management and regulatory decisions. AMAD is responsible for providing a sound scientific and technical basis for regulatory policies based on air quality models to improve ambient air quality. The models developed by AMAD are being used by EPA, NOAA, and the air pollution community in understanding and forecasting not only the magnitude of the air pollution problem, but also in developing emission control policies and regulations for air quality improvements.
Description:
Ammonia emissions parameters in North America can be refined in order to improve the evaluation of modeled concentrations against observations. Here, we seek to do so by developing and applying the GEOS-Chem adjoint nested over North America to conductassimilation of observations of ammonia by the Tropospheric Emissions Spectrometer.