The regional atmospheric chemistry mechanism, version 2

被引：181

作者：

Goliff, Wendy S. ^{[1
]}

Stockwell, William R. ^{[2
]}

Lawson, Charlene V. ^{[2
]}

机构：

[1] Univ Calif Riverside, Coll Engn Ctr Environm Res & Technol, Riverside, CA 92521 USA

[2] Howard Univ, Dept Chem, Washington, DC 20059 USA

来源：

ATMOSPHERIC ENVIRONMENT | 2013年 / 68卷

基金：

美国海洋和大气管理局; 美国国家科学基金会;

关键词：

Atmospheric chemistry; Chemical mechanisms; Air quality modeling; Ozone; Acid deposition; PEROXY RADICAL REACTIONS; ACID DEPOSITION MODEL; CHEMICAL MECHANISM; RATE CONSTANTS; ACETIC-ACID; OZONE; OH; ISOPRENE; TEMPERATURE; MULTISCALE;

D O I：

10.1016/j.atmosenv.2012.11.038

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The Regional Atmospheric Chemistry Mechanism (RACM) is a gas-phase chemical mechanism that is widely used for the modeling of regional atmospheric chemistry. Much new data has been published since the original RACM was completed (Stockwell et al., 1997). The RACM mechanism was updated to create the Regional Atmospheric Chemistry Mechanism, version 2 (RACM2). Like the RACM1 mechanism, the RACM2 mechanism is designed to simulate remote to polluted conditions from the Earth's surface through the upper troposphere. The RACM2 mechanism includes updated reaction schemes, rate constants and product yields. It has been tested against environmental chamber data and compared with previous RACM scenario simulations. The aromatic chemistry was expanded to include a greater number of species with highly revised reaction schemes. The reaction mechanism for isoprene was expanded to include a more explicit treatment of methyl vinyl ketone. Alcohols were speciated to more accurately reflect peroxy peroxy reactions in the remote atmosphere. Acetone was speciated due to its importance in the upper troposphere. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：174 / 185

页数：12

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