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

Tian Bao Fu; Bai Hong Zhang; Cai Hong Guan; Shun Xiang Huang

doi:10.4028/www.scientific.net/AMM.295-298.509

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 295-298Multi-Sources Local Diffusion Model for Dioxins...

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

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.

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Periodical:

Applied Mechanics and Materials (Volumes 295-298)

Pages:

509-512

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.295-298.509

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Online since:

February 2013

Authors:

Tian Bao Fu, Bai Hong Zhang, Cai Hong Guan, Shun Xiang Huang

Keywords:

Diffusion Simulation, Dioxin, Multi-Sources Model, POPs

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