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Article: Rapid changes of precipitation pH in Qinghai Province, the northeastern Tibetan Plateau
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TitleRapid changes of precipitation pH in Qinghai Province, the northeastern Tibetan Plateau
 
AuthorsZhang, DD1
Jim, CY1
Peart, MR1
Shi, C1
 
KeywordsPrecipitation pH
Precipitation chemistry
Akaline rain
Air pollutant
Air dust
 
Issue Date2003
 
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
 
CitationScience Of The Total Environment, 2003, v. 305 n. 1-3, p. 241-248 [How to Cite?]
DOI: http://dx.doi.org/10.1016/S0048-9697(02)00464-3
 
AbstractRainfall monitoring programs were conducted in two industrial cities of China's Qinghai Province, Xining and Germu, in some periods of the 1980s and 1990s. The results show that the natural precipitation in this area is originally alkaline. Compared with the late 1980s records, pH values declined significantly from approximately 8 in the 1980s to below 7 in mid-1990s. Such rapid and drastic changes were attributed to fast industrial development that released a large amount of pollutants. Subsequent tough control on pollutant emission partly restored pH values back to above 7 in the late 1990s. The pH and rainfall chemical analyses indicate that alkaline rain in this continental arid region is caused by airborne dusts which originate from local alkaline soils. With decrease of pH value, the total ionic concentration of rainwater is increased because acids were added to the rainwater. © 2002 Elsevier Science B.V. All rights reserved.
 
ISSN0048-9697
2013 Impact Factor: 3.163
2013 SCImago Journal Rankings: 1.530
 
DOIhttp://dx.doi.org/10.1016/S0048-9697(02)00464-3
 
ISI Accession Number IDWOS:000182535700020
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorZhang, DD
 
dc.contributor.authorJim, CY
 
dc.contributor.authorPeart, MR
 
dc.contributor.authorShi, C
 
dc.date.accessioned2009-04-03T07:44:10Z
 
dc.date.available2009-04-03T07:44:10Z
 
dc.date.issued2003
 
dc.description.abstractRainfall monitoring programs were conducted in two industrial cities of China's Qinghai Province, Xining and Germu, in some periods of the 1980s and 1990s. The results show that the natural precipitation in this area is originally alkaline. Compared with the late 1980s records, pH values declined significantly from approximately 8 in the 1980s to below 7 in mid-1990s. Such rapid and drastic changes were attributed to fast industrial development that released a large amount of pollutants. Subsequent tough control on pollutant emission partly restored pH values back to above 7 in the late 1990s. The pH and rainfall chemical analyses indicate that alkaline rain in this continental arid region is caused by airborne dusts which originate from local alkaline soils. With decrease of pH value, the total ionic concentration of rainwater is increased because acids were added to the rainwater. © 2002 Elsevier Science B.V. All rights reserved.
 
dc.description.naturepostprint
 
dc.identifier.citationScience Of The Total Environment, 2003, v. 305 n. 1-3, p. 241-248 [How to Cite?]
DOI: http://dx.doi.org/10.1016/S0048-9697(02)00464-3
 
dc.identifier.doihttp://dx.doi.org/10.1016/S0048-9697(02)00464-3
 
dc.identifier.epage248
 
dc.identifier.hkuros80660
 
dc.identifier.isiWOS:000182535700020
 
dc.identifier.issn0048-9697
2013 Impact Factor: 3.163
2013 SCImago Journal Rankings: 1.530
 
dc.identifier.issue1-3
 
dc.identifier.openurl
 
dc.identifier.pmid12670772
 
dc.identifier.scopuseid_2-s2.0-0037446098
 
dc.identifier.spage241
 
dc.identifier.urihttp://hdl.handle.net/10722/54350
 
dc.identifier.volume305
 
dc.languageeng
 
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
 
dc.publisher.placeNetherlands
 
dc.relation.ispartofScience of the Total Environment
 
dc.relation.referencesReferences in Scopus
 
dc.rightsScience of the Total Environment. Copyright © Elsevier BV.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.subject.meshAcid Rain
 
dc.subject.meshAir Pollution - analysis
 
dc.subject.meshChina
 
dc.subject.meshDust
 
dc.subject.meshEnvironmental Monitoring
 
dc.subject.meshHydrogen-Ion Concentration
 
dc.subject.meshIndustry
 
dc.subject.meshSoil
 
dc.subjectPrecipitation pH
 
dc.subjectPrecipitation chemistry
 
dc.subjectAkaline rain
 
dc.subjectAir pollutant
 
dc.subjectAir dust
 
dc.titleRapid changes of precipitation pH in Qinghai Province, the northeastern Tibetan Plateau
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong