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Monitoring stream water quality of Dagwan stream, an important tributary of Dal Lake, Kashmir Himalaya

  • Inam Sabha
  • Sami Ullah BhatEmail author
  • Aadil Hamid
  • Javeed Ahmad Rather
Original Paper
  • 17 Downloads

Abstract

The assessment of water quality of the Dagwan stream encompassing spatiotemporal variations in physicochemical parameters and all important and relevant hydrological attributes was carried out at five different sites for a period of 1 year (June 2014–May 2015). Statistical techniques like analysis of variance (ANOVA), cluster analysis, and regression analysis applied to datasets revealed spatiotemporal variations. ANOVA and Tukey’s box plot was applied and resulting F values showed the significance of observed variation of each parameter at 5% level of significance in which some parameters do not change significantly. The higher positive and negative relationship among various analyzed water quality parameters were described by general linear regression model (P < 0.0001). The study of physicochemical parameters signify that the quality of its water substantially declines while moving downstream. The water quality sites were classified into significant clusters (clusters I and II) by cluster analysis. Cluster I (sites I and II) is illustrated by similar and better water quality whereas cluster II (sites II, IV, and V) is considered to be of moderately reduced water quality, thereby reflecting the different physicochemical characteristics and quality class. The results from water quality index (WQI) validate that water of the Dagwan stream falls within the excellent to very good category of water quality class. While comparing the results with WHO standards, the water quality was in permissible limits. The escalating level of pollution from upstream to downstream sites indicated slight anthropogenic stress in the downstream areas of the Dagwan stream.

Keywords

Dagwan stream ANOVA Linear regression Water quality index Cluster analysis 

Notes

Acknowledgements

We are highly thankful to the head of the Department of Environmental Sciences, University of Kashmir, for providing all the lab facilities. Thanks are also due to the Wildlife department and Dachigam National Park officials for facilitating the research work in the field. The authors acknowledge the role of Dr. Sajad Hussain Wani, Assistant Professor, Department of Linguistics, for going through the article which enhanced the language quality of this research article. Thanks are also due to two anonymous reviewers whose inputs helped in improvement of quality of the manuscript.

Compliance with ethical standards

Conflicts of interest

The authors declare that they have no conflict of interests.

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Copyright information

© Saudi Society for Geosciences 2019

Authors and Affiliations

  • Inam Sabha
    • 1
  • Sami Ullah Bhat
    • 1
    Email author
  • Aadil Hamid
    • 1
  • Javeed Ahmad Rather
    • 2
  1. 1.Department of Environmental Science, School of Earth and Environmental SciencesUniversity of KashmirSrinagarIndia
  2. 2.Department of Geography and Regional Development, School of Earth and Environmental SciencesUniversity of KashmirSrinagarIndia

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