The sensitivity of regionally averaged O3 and SO2 concentrations to ADOM dry deposition velocity parameterizations

Atmospheric Environment. Part A. General Topics Pub Date : 1993-10-01 DOI:10.1016/0960-1686(93)90054-3

J. Padro, K.J. Puckett, D.N. Woolridge

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引用次数: 4

Abstract

The influence of three different surface resistance formulations upon the resulting grid-averaged dry deposition velocity and the concentrations of O₃ and SO₂ calculated using the Acid Deposition and Oxidant Model (ADOM) has been investigated. Four ADOM simulations of the O₃ and SO₂ concentrations were compared with each other and the observations. The results show that two of the resistance formulations can decrease the original ADOM area-averaged dry deposition velocity by as much as 50% and increase the corresponding concentration by as much as 37% for O₃ and SO₂. However, all versions of the ADOM considerably underpredict the concentrations, implying weaknesses in ADOM that are not related to dry deposition. Wet surfaces appeared to have little influence on the estimated dry deposition velocity and concentration of O₃ but had a strong influence on those for SO₂.

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区域平均O3和SO2浓度对ADOM干沉积速度参数化的敏感性

研究了三种不同的表面电阻配方对网格平均干沉积速度的影响以及使用酸沉积和氧化剂模型(ADOM)计算的O3和SO2浓度。将4种ADOM模拟的O3和SO2浓度与观测值进行了比较。结果表明，两种电阻配方可使原始ADOM面积平均干沉积速度降低50%，使O3和SO2的浓度提高37%。然而，ADOM的所有版本都大大低估了浓度，这意味着ADOM的弱点与干沉积无关。湿表面对O3干沉降速率和浓度的影响不大，但对SO2干沉降速率和浓度的影响较大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Atmospheric Environment. Part A. General Topics

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