NDLI: Precipitation chemistry and corresponding transport patterns of influencing air masses at Huangshan Mountain in East China

Content Provider	Springer Nature Link
Author	Shi, ChunE Deng, Xueliang Yang, Yuanjian Huang, Xiangrong Wu, Biwen
Copyright Year	2014
Abstract	One hundred and ten samples of rainwater were collected for chemical analysis at the summit of Huangshan Mountain, a high-altitude site in East China, from July 2010 to June 2011. The volume-weighted-mean (VWM) pH for the whole sampling period was 5.03. SO 4 2− and Ca2+ were the most abundant anion and cation, respectively. The ionic concentrations varied monthly with the highest concentrations in winter/spring and the lowest in summer. Evident inter-correlations were found among most ions, indicating the common sources for some species and fully mixing characteristics of the alpine precipitation chemistry. The VWM ratio of [SO 4 2− ]/[NO 3 − ] was 2.54, suggesting the acidity of rainwater comes from both nitric and sulfuric acids. Compared with contemporary observations at other alpine continental sites in China, the precipitation at Huangshan Mountain was the least polluted, with the lowest ionic concentrations. Trajectories to Huangshan Mountain on rainy days could be classified into six groups. The rainwater with influencing air masses originating in Mongolia was the most polluted with limited effect. The emissions of Jiangxi, Anhui, Zhejiang and Jiangsu provinces had a strong influence on the overall rain chemistry at Huangshan Mountain. The rainwater with influencing air masses from Inner Mongolia was heavily polluted by anthropogenic pollutants.
Starting Page	1157
Ending Page	1166
Page Count	10
File Format	PDF
ISSN	02561530
Journal	Advances in Atmospheric Sciences
Volume Number	31
Issue Number	5
e-ISSN	18619533
Language	English
Publisher	Science Press
Publisher Date	2014-07-16
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	precipitation chemistry air mass inter-relationship transport pattern Huangshan Mountain East China Atmospheric Sciences Meteorology Geophysics/Geodesy
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science

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