Dissolved trace element biogeochemistry of a tropical river, Southwestern India

M. Tripti, G. P. Gurumurthy, K. Balakrishna, M. D. Chadaga

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

River Swarna, a small tropical river originating in Western Ghats (at an altitude of 1,160 m above mean sea level) and flowing in the southwest coast of India discharges an average of 54 m3s-1 of water into the Arabian Sea, of which significant part is being discharged during the monsoon. No studies have been made yet on the water chemistry of the Swarna River basin, even as half a million people of Udupi district use it for domestic and irrigational purposes. As large community in this region depends on the freshwater of Swarna River, there is an urgent need to study the trace element geochemistry of this west flowing river for better water management and sustainable development. The paper presents the results on the biogeochemistry of dissolved trace elements in the Swarna River for a period of 1 year. The results obtained on the trace elements show seasonal effect on the concentrations as well as behavior and thus forming two groups, discharge driven (Li, Be, Al, V, Cr, Ni, Zr, In, Pb, Bi and U) and base flow driven (groundwater input; Mn, Fe, Co, Cu, Ga, Zn, As, Se, Rb, Sr, Ag, Cd, Cs, Ba and Tl) trace elements in Swarna River. The biogeochemical processes explained through Hierarchical Cluster Analysis show complexation of Fe, Ga and Ba with dissolved organic carbon, redox control over Mn and Tl and biological control over V and Ni. Also, the water quality of Swarna River remains within the permissible limits of drinking water standards.

Original languageEnglish
Pages (from-to)4067-4077
Number of pages11
JournalEnvironmental Science and Pollution Research
Volume20
Issue number6
DOIs
Publication statusPublished - 01-06-2013

Fingerprint

Biogeochemistry
Trace Elements
biogeochemistry
Trace elements
Rivers
India
trace element
river
Oceans and Seas
Water
baseflow
Groundwater flow
Geochemistry
Water Quality
complexation
Groundwater
Conservation of Natural Resources
Sea level
Water management
biological control

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Tripti, M. ; Gurumurthy, G. P. ; Balakrishna, K. ; Chadaga, M. D. / Dissolved trace element biogeochemistry of a tropical river, Southwestern India. In: Environmental Science and Pollution Research. 2013 ; Vol. 20, No. 6. pp. 4067-4077.
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Dissolved trace element biogeochemistry of a tropical river, Southwestern India. / Tripti, M.; Gurumurthy, G. P.; Balakrishna, K.; Chadaga, M. D.

In: Environmental Science and Pollution Research, Vol. 20, No. 6, 01.06.2013, p. 4067-4077.

Research output: Contribution to journalArticle

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