Paper Title:
Major Ionic Composition of Precipitation in the Shigatse Region, Southern Tibetan Plateau
  Abstract

Abstract. In order to investigate the chemical characteristics of precipitation on Tibetan Plateau, a total of 34 precipitation samples have been collected from individual precipitation events at the Shigatse Meteorological Station located in the south Tibetan Plateau in 2008. All samples were analyzed for major cations (NH4+, Na+, K+, Ca2+ and Mg2+) and anions (Cl−, NO3− and SO42−), conductivity and pH. The result showed that precipitation pH values ranged from 6.79 to 9.21 with an average value of 7.86. HCO3− and Ca2+ were the major ions detected in the samples, occupied 39% and 35% of the total ion mass, 80% of the total anion mass and 69% of the total cations mass, respectively. Factor analysis indicated that regional crustal dust, lake salt and local combustion products of residents were the main sources of the ionic compositions of precipitation of Shigatse region. Trajectory cluster analysis indicated that 97.1% of the air masses reaching Shigatse originated from the south, which passed through some pollution regions, as southeast Indian, Bangladesh.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chapter 1: Development and Utilization of Solar Energy
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
1005-1011
DOI
10.4028/www.scientific.net/AMR.347-353.1005
Citation
Y. J. Yang, J. Q. Liu, Y. A. Di, J. Yang, T. X. Wen, Y. W. Li, Y. Q. Shi, "Major Ionic Composition of Precipitation in the Shigatse Region, Southern Tibetan Plateau", Advanced Materials Research, Vols. 347-353, pp. 1005-1011, 2012
Online since
October 2011
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Price
$32.00
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