NDLI: Ambient TSP concentration and dustfall variation in Urumqi, China

Content Provider	Springer Nature Link
Author	Chen, Xi Zhang, XiaoXiao Guo, YuHong Wang, ZiFa Li, ShengYu Paul, Cottle Liu, LianYou Pi, HuaWei
Copyright Year	2014
Abstract	Total suspended particulate (TSP, particle diameter≤100 μm) was the dominant air pollutant and significantly influenced local air quality. In this paper, we investigated the interannual and seasonal variations of TSP and dustfall of the atmosphere over Urumqi, the capital city of Xinjiang Uygur autonomous region, northwestern China, basing on environmental monitoring records and meteorological data from 1986–2012. The results showed that during the study period, annual average TSP concentration decreased from 716 to 260 μg/m$^{3}$, with an average level of 422.9 μg/m$^{3}$, while dustfall intensity reduced from 350.4 to 166.6 t/(km$^{2}$·a), with an average level of 259 t/(km$^{2}$·a). Over 50% of the annual pollution days were induced mainly by TSP. Spring and winter had relatively higher dustfall intensities, and dense traffic and residential areas had the highest dustfall intensities in the Urumqi metropolitan area. With an annual average precipitation of less than 300 mm, atmospheric particulates in Urumqi could be hardly removed through wet deposition. During spring and summertime prevailing winds from northwest and northeast could carry aeolian dust particles from sandy deserts to Urumqi. Aeolian dusts from deserts would remain to be a priority regarding air pollution control in arid oasis cities.
Starting Page	668
Ending Page	677
Page Count	10
File Format	PDF
ISSN	16746767
Journal	Journal of Arid Land
Volume Number	6
Issue Number	6
e-ISSN	21947783
Language	English
Publisher	Science Press
Publisher Date	2014-07-29
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sustainable Development Physical Geography total suspended particle atmospheric environment desert dust deposition Plant Ecology
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Water Science and Technology Management, Monitoring, Policy and Law

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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