MODELING STUDIES OF THE ATMOSPHERIC RELEASE AND TRANSPORT OF AMMONIA IN ANTICYCLONIC EPISODES

被引:54
作者
APSIMON, HM
BARKER, BM
KAYIN, S
机构
[1] Air Pollution Group, Imperial College, London
关键词
AMMONIA; LONG-RANGE TRANSPORT; EPISODES; DIURNAL VARIATIONS; MODELING;
D O I
10.1016/1352-2310(94)90043-4
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The TERN model has been developed to simulate the atmospheric release and transport of ammonia. It is a Lagrangian model with detailed vertical resolution to represent pollutant concentration profiles. In this paper it is applied to summer anticyclonic conditions to illustrate the importance of assumptions about emissions, deposition and turbulent mixing and their diurnal variations when considering a reactive gas emitted at ground level, and the implications for the proportions transported over long distances. The paper emphasizes the large uncertainties about emissions of ammonia and their nature, and draws attention to the influence of inhomogeneous nonlinear processes which cannot be fully defined and parameterized in numerical models.
引用
收藏
页码:665 / 678
页数:14
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