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A Database and Tool for Boundary Conditions for Regional Air Quality Modeling: Description and Evaluation : Volume 6, Issue 3 (09/09/2013)

By Henderson, B. H.

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Book Id: WPLBN0004009531
Format Type: PDF Article :
File Size: Pages 40
Reproduction Date: 2015

Title: A Database and Tool for Boundary Conditions for Regional Air Quality Modeling: Description and Evaluation : Volume 6, Issue 3 (09/09/2013)  
Author: Henderson, B. H.
Volume: Vol. 6, Issue 3
Language: English
Subject: Science, Geoscientific, Model
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: copernicus

Citation

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T. Py, H. O., Akhtar, F., Napelenok, S. L., Ciais, P., Hutzell, W. T., Zaehle, S., & Henderson, B. H. (2013). A Database and Tool for Boundary Conditions for Regional Air Quality Modeling: Description and Evaluation : Volume 6, Issue 3 (09/09/2013). Retrieved from http://www.hawaiilibrary.com/


Description
Description: Environmental Engineering Sciences, University of Florida, Gainesville, FL, USA. Transported air pollutants receive increasing attention as regulations tighten and global concentrations increase. The need to represent international transport in regional air quality assessments requires improved representation of boundary concentrations. Currently available observations are too sparse vertically to provide boundary information, particularly for ozone precursors, but global simulations can be used to generate spatially and temporally varying Lateral Boundary Conditions (LBC). This study presents a public database of global simulations designed and evaluated for use as LBC for air quality models (AQMs). The database covers the contiguous United States (CONUS) for the years 2000–2010 and contains hourly varying concentrations of ozone, aerosols, and their precursors. The database is complimented by a tool for configuring the global results as inputs to regional scale models (e.g., Community Multiscale Air Quality or Comprehensive Air quality Model with extensions). This study also presents an example application based on the CONUS domain, which is evaluated against satellite retrieved ozone vertical profiles. The results show performance is largely within uncertainty estimates for the Tropospheric Emission Spectrometer (TES) with some exceptions. The major difference shows a high bias in the upper troposphere along the southern boundary in January. This publication documents the global simulation database, the tool for conversion to LBC, and the fidelity of concentrations on the boundaries. This documentation is intended to support applications that require representation of long-range transport of air pollutants.

Summary
A database and tool for boundary conditions for regional air quality modeling: description and evaluation

Excerpt
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