INTRODUCTION OF A SIMPLIFIED PHOTO-CHEMICAL SCHEME INTO MULTI-BOX MODEL CAPPS FOR URBAN AREA OZONE PREDICTION

Zhang Kai; Xu Dahai; Zhu Rong; Chen Junming

Vol.16, NO.1, 2005

Article Contents

Article Navigation > Journal of Applied Meteorological Science > 2005 > 16(1): 1-12

Zhang Kai, Xu Dahai, Zhu Rong, et al. Introduction of a simplified photo-chemical scheme into multi-box model capps for urban area ozone prediction. J Appl Meteor Sci, 2005, 16(1): 1-12.

Citation:

Zhang Kai, Xu Dahai, Zhu Rong, et al. Introduction of a simplified photo-chemical scheme into multi-box model capps for urban area ozone prediction. J Appl Meteor Sci, 2005, 16(1): 1-12.

Zhang Kai, Xu Dahai, Zhu Rong, et al. Introduction of a simplified photo-chemical scheme into multi-box model capps for urban area ozone prediction. J Appl Meteor Sci, 2005, 16(1): 1-12.

Citation:

Zhang Kai, Xu Dahai, Zhu Rong, et al. Introduction of a simplified photo-chemical scheme into multi-box model capps for urban area ozone prediction. J Appl Meteor Sci, 2005, 16(1): 1-12.

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INTRODUCTION OF A SIMPLIFIED PHOTO-CHEMICAL SCHEME INTO MULTI-BOX MODEL CAPPS FOR URBAN AREA OZONE PREDICTION

1.
Chinese Academy of Meteorological Sciences, Beijing 100081
2.
National Climate Center, Beijing 100081

Received Date: 2003-09-09
Rev Recd Date: 2004-05-10
Publish Date: 2005-02-28

Abstract

Abstract

This paper describes the introduction of a photo-chemistry model based on a highly parameterized chemistry mechanism into the nonstatic atmospheric advection-dispersion box-model to practise ozone prediction in urban boundary layer. Genetic algorithm is employed to inverse the VOC (volatile organic compounds) concentration as well as NO_X source strength since the ambient pollutant concentration and emission data for urban area are insufficient. this work gives the birth to a new version of the City Air Pollution Prediction System (CAPPS) with the atmospheric chemical processes included. Based on regular sounding data and the pollutant concentration data collected at Beijing Dance Academy, testing predictions of ozone and NO_X are performed using the new single-box model. The results indicate that the new model is proved to be an effective tool for urban area ozone prediction.
- Ozone prediction;
- CAPPS model;
- GRS scheme;
- Genetic algorithms

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References(23)

Figures and Tables

图 1 根据早晨污染物监测浓度用遗传算法反演VOC浓度的流程图

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图 2 引进GRS光化学模式后CAPPS模式的计算流程图

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图 3 2001年9月8~17日日最大O₃浓度模拟值与监测值对比

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图 4 用遗传算法反演的2001年9月8~17日VOC浓度

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图 5 2001年9月8~17日模拟与监测的日间O₃小时平均浓度对比

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图 6 2001年9月12日各污染物浓度预报值与观测值对比

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表 1 2001年9月11、12、14日气象要素场MM4模拟结果与监测的对比

表 2 根据2001年9月12日监测资料和模拟结果计算出的当天烟雾产生量和反应程度系数

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