Trace element geochemistry of groundwater from Quetta Valley, western Pakistan

Shuhab D. Khan, Khalid Mahmood, Mohamed I. Sultan, Abdul S. Khan, Yingqian Xiong, Zhanay Sagintayev

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

This manuscript presents major, minor and trace elements data for groundwater samples collected from wells, tube wells, springs and karezes from Quetta Valley. Quetta Valley in Pakistan has frequently experienced shortage of groundwater. In recent years, the water quality has had a sharp decline at many locations. The study of groundwater resources in this valley is an attempt to understand the causes of and sources of contamination. At several locations, nitrate, sulfate, arsenic, selenium, chromium and nickel contamination has been determined. The preliminary results indicate that these contaminations apparently result from a combination of rock alteration and mining activity in the area. Different water sources could have also contributed to the deterioration of the water quality of Quetta Valley. This research provides the basis for future work, which will involve detailed hydrological modeling and water quality studies.

Original languageEnglish (US)
Pages (from-to)573-582
Number of pages10
JournalEnvironmental Earth Sciences
Volume60
Issue number3
DOIs
StatePublished - Apr 1 2010
Externally publishedYes

Keywords

  • Arsenic
  • Groundwater chemistry
  • ICP-MS
  • Trace elements
  • Ultramafic rocks

ASJC Scopus subject areas

  • Global and Planetary Change
  • Environmental Chemistry
  • Water Science and Technology
  • Soil Science
  • Pollution
  • Geology
  • Earth-Surface Processes

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