Multi-Sources Local Diffusion Model for Dioxins Based on Gauss Method (DM-II)

Author:

Fu Tian Bao1,Zhang Bai Hong1,Guan Cai Hong1,Huang Shun Xiang1

Affiliation:

1. Institute of Chemical Defense

Abstract

Aiming at effects evaluation of Persistent Organic Pollutants (POPs) for environment and human health, Multi-sources Local Diffusion Model for Dioxins Based on Gauss Method (DM-Ⅱ) is developed, in which the terrains and mixed layer thickness considered. The meteorological observations data during spring in 2006 at the Jinhua region in Zhejiang province were analyzed, and various probabilities obtained in different wind, different wind speed and different stability respectively. Based on this analysis results, using DM-Ⅱ, diffusion of several key sources of dioxin emissions at the Jinhua region is simulated, and the distribution of dioxin POPs is simulated during spring in 2006 in the region. The average concentration of dioxin POPs is about 0.1~1pg/m3 in near areas of emission sources.

Publisher

Trans Tech Publications, Ltd.

Reference9 articles.

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5. Sofi Jonsson. Design and evaluation of an experimental procedure for dioxins and other POPs in sediment. Master degree Project, Environmental Chemistry, Umeå University(2007).

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