Development of a reduced chemical scheme for use in mesoscale meteorological models

被引：46

作者：

Crassier, V ^{[1
]}

Suhre, K ^{[1
]}

Tulet, P ^{[1
]}

Rosset, R ^{[1
]}

机构：

[1] UMR CNRS UPS 5560, Lab Aerol, F-31400 Toulouse, France

来源：

ATMOSPHERIC ENVIRONMENT | 2000年 / 34卷 / 16期

关键词：

reactivity weighting; mesoscale modelling; photochemical mechanism; RACM;

D O I：

10.1016/S1352-2310(99)00480-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A new Regional Lumped Atmospheric Chemical Scheme (ReLACS) is introduced. This mechanism is intended to be valid for clean to polluted conditions. ReLACS is derived from a new reactivity weighting approach which may be applied to any atmospheric chemical scheme. In this work, ReLACS is based upon the reduction of the regional atmospheric chemistry mechanism (RACM) (Stockwell ct al., 1997. Journal of Geophysical Research D22, 25847-25849) on a given moderately polluted emission scenario. However, sensitivity tests around this scenario show that ReLACS compares favorably with RACM, not only for ozone but also for other important atmospheric oxidants. The gain obtained from this lumping in the number of species allows ReLACS to be suitable to perform, otherwise costly, three dimensional pollution studies when coupled with mesoscale meteorological models. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：2633 / 2644

页数：12

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