DOI: 10.1016/j.atmosenv.2015.09.035
Scopus记录号: 2-s2.0-84951905109
论文题名: Modeling wet deposition of acid substances over the PRD region in China
作者: Lu X ; , Fung J ; C ; H ; , Wu D
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 122 起始页码: 819
结束页码: 828
语种: 英语
英文关键词: Acid substances
; CMAQ
; Non-sea-salt sulfate to nitrate ratio
; Reservoir
; Source apportionment
; Wet deposition
Scopus关键词: Acid rain
; Chemical analysis
; Deposition
; Emission control
; Nitrates
; Nitrogen oxides
; Reservoirs (water)
; Sulfur compounds
; Sulfur dioxide
; Water pollution
; Anthropogenic emissions
; Chemical compositions
; CMAQ
; High-resolution numerical simulation
; Measurement-based studies
; Sea salts
; Source apportionment
; Wet deposition
; Rain
; nitrate
; nitrogen dioxide
; rain
; sulfate
; sulfur dioxide
; acid rain
; anthropogenic effect
; atmospheric modeling
; chemical composition
; chemical pollutant
; emission control
; nitrate
; nitrogen oxides
; point source pollution
; precipitation (chemistry)
; reservoir
; sulfate
; sulfur dioxide
; wet deposition
; acid rain
; air quality
; Article
; China
; pollutant
; priority journal
; river
; simulation
; wet deposition
; China
; Guangdong
; Zhujiang Delta
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: The Pearl River Delta (PRD) region in southern China has suffered heavily from acid rain in the last 10 years due to the anthropogenic emission of sulfur dioxide and nitrogen dioxide. Several measurement-based studies about this issue have been conducted to analyze the chemical composition of precipitation in this area. However, no detailed, high resolution numerical simulation regarding this topic has ever been done in this region. In this study, the WRF-SMOKE-CMAQ system was applied to simulate the wet deposition of acid substances (SO4 2- and NO3 -) in the PRD region from 2009 to 2011 with a resolution of 3 km. The simulation output agreed well with the observation data. Our results showed that Guangzhou was the city most affected by acid rain in this region. The ratio of non-sea-salt sulfate to nitrate indicated that the acid rain in this region belonged to the sulfate-nitrate mixed type. The source apportionment result suggests that point source and super regional source are the ones that contribute the pollutants most in the rain water over PRD Region. The sulfate and nitrate input to some reservoirs via wet deposition was also estimated based on the model simulation. Our results suggest that further cross-city cooperation and emission reduction are needed to further curb acid rain in this region. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81343
Appears in Collections: 气候变化事实与影响
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作者单位: Division of Environment, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong; Department of Mathematics, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
Recommended Citation:
Lu X,, Fung J,C,et al. Modeling wet deposition of acid substances over the PRD region in China[J]. Atmospheric Environment,2015-01-01,122