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http://dx.doi.org/10.14249/eia.2022.31.5.271

A Study on Improvement of Air Quality Dispersion Model Application Method in Environmental Impact Assessment (I) - Focusing on AERMOD Meteorological Preprocessor -  

Kim, Suhyang (Sunil Engineering&Consultant, Co., Ltd.)
Park, Sunhwan (Sunil Engineering&Consultant, Co., Ltd.)
Tak, Jongseok (Sunil Engineering&Consultant, Co., Ltd.)
Ha, Jongsik (Korea Environment Institute)
Joo, Hyunsoo (Korea Environment Institute)
Lee, Naehyun (Korea Educational Environment Protection Agency)
Publication Information
Journal of Environmental Impact Assessment / v.31, no.5, 2022 , pp. 271-285 More about this Journal
Abstract
The AERMET, the AERMOD meteorological preprocessing program, mainly used for environmental impact assessment and Integrated Environmental Permit System (IEPS) in Korea, has not considered the land covers characterasitics, and used only the past meteorological data format CD-144. In this study, two results of AERMET application considering CD-144 format and ISHD format, being used internationally, were compared. Also, the atmospheric dispersion characteristics were analyzed with consideration of land cover. In the case of considered the CD-144 format, the actual wind speed was not taken into account in the weak wind (0.6~0.9m/s) and other wind speed due to the unit conversion problem. The predicted concentration considering land cover data was up to 387% larger depending on the topographic and emission conditions than without consideration of land cover. In conclusion, when using meteorological preprocessing program in AERMOD modelling, AERMET, with ISHD format, land cover characterasitics in the area should be considered.
Keywords
Environmental Impact Assessment; AERMOD; AERMET; Land Cover; CD-144; ISHD;
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