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Water Quality Mapping of Ruvu River in Tanzania

Received: 16 November 2018     Accepted: 5 December 2018     Published: 14 January 2019
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Abstract

Increase in population and industrialization has strongly impacted the rivers and lakes all over the world. Meanwhile, Tanzania river’s water quality faces the same challenges. The Government of Tanzania is trying to overcome the problems by analyzing water quality data from its rivers. However, a lot of data collected require to be converted into a single value “index” understandable by decision and policy-makers. Therefore, the assessment by using different water quality indices like the National Sanitation Foundation for Water Quality Index (NSFWQI), River Pollution Index (RPI) and Overall Index of Pollution (OIP) are very useful. The present paper used water quality indices and land use maps to assess and investigates the water quality of the Ruvu river in Tanzania. Water quality samples collected from 14 sampling locations for the year 2014-2017 were used. The three water quality indices used in evaluation categorized the water quality of the Ruvu river as a medium, polluted and moderately polluted as per NSFWQI, OIP and RPI respectively. The index values were; 53.2, 4.69 and 4.78 for NSFWQI, OIP and RPI respectively. The impact of land use on water quality was analyzed by using Geographic Information Systems (GIS) and Remote Sensing (RS) techniques and ERDAS imagine. These assessment tools revealed that urban land use and agricultural land uses were the major sources of water pollution in this river.

Published in American Journal of Applied Scientific Research (Volume 4, Issue 4)
DOI 10.11648/j.ajasr.20180404.12
Page(s) 52-59
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Water Quality, NSFWQI, RPI, OIP, GIS and RS, Ruvu River

References
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Cite This Article
  • APA Style

    Stephano Mambuye Alphayo, Mahendra Pal Sharma. (2019). Water Quality Mapping of Ruvu River in Tanzania. American Journal of Applied Scientific Research, 4(4), 52-59. https://doi.org/10.11648/j.ajasr.20180404.12

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    ACS Style

    Stephano Mambuye Alphayo; Mahendra Pal Sharma. Water Quality Mapping of Ruvu River in Tanzania. Am. J. Appl. Sci. Res. 2019, 4(4), 52-59. doi: 10.11648/j.ajasr.20180404.12

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    AMA Style

    Stephano Mambuye Alphayo, Mahendra Pal Sharma. Water Quality Mapping of Ruvu River in Tanzania. Am J Appl Sci Res. 2019;4(4):52-59. doi: 10.11648/j.ajasr.20180404.12

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  • @article{10.11648/j.ajasr.20180404.12,
      author = {Stephano Mambuye Alphayo and Mahendra Pal Sharma},
      title = {Water Quality Mapping of Ruvu River in Tanzania},
      journal = {American Journal of Applied Scientific Research},
      volume = {4},
      number = {4},
      pages = {52-59},
      doi = {10.11648/j.ajasr.20180404.12},
      url = {https://doi.org/10.11648/j.ajasr.20180404.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajasr.20180404.12},
      abstract = {Increase in population and industrialization has strongly impacted the rivers and lakes all over the world. Meanwhile, Tanzania river’s water quality faces the same challenges. The Government of Tanzania is trying to overcome the problems by analyzing water quality data from its rivers. However, a lot of data collected require to be converted into a single value “index” understandable by decision and policy-makers. Therefore, the assessment by using different water quality indices like the National Sanitation Foundation for Water Quality Index (NSFWQI), River Pollution Index (RPI) and Overall Index of Pollution (OIP) are very useful. The present paper used water quality indices and land use maps to assess and investigates the water quality of the Ruvu river in Tanzania. Water quality samples collected from 14 sampling locations for the year 2014-2017 were used. The three water quality indices used in evaluation categorized the water quality of the Ruvu river as a medium, polluted and moderately polluted as per NSFWQI, OIP and RPI respectively. The index values were; 53.2, 4.69 and 4.78 for NSFWQI, OIP and RPI respectively. The impact of land use on water quality was analyzed by using Geographic Information Systems (GIS) and Remote Sensing (RS) techniques and ERDAS imagine. These assessment tools revealed that urban land use and agricultural land uses were the major sources of water pollution in this river.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Water Quality Mapping of Ruvu River in Tanzania
    AU  - Stephano Mambuye Alphayo
    AU  - Mahendra Pal Sharma
    Y1  - 2019/01/14
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    N1  - https://doi.org/10.11648/j.ajasr.20180404.12
    DO  - 10.11648/j.ajasr.20180404.12
    T2  - American Journal of Applied Scientific Research
    JF  - American Journal of Applied Scientific Research
    JO  - American Journal of Applied Scientific Research
    SP  - 52
    EP  - 59
    PB  - Science Publishing Group
    SN  - 2471-9730
    UR  - https://doi.org/10.11648/j.ajasr.20180404.12
    AB  - Increase in population and industrialization has strongly impacted the rivers and lakes all over the world. Meanwhile, Tanzania river’s water quality faces the same challenges. The Government of Tanzania is trying to overcome the problems by analyzing water quality data from its rivers. However, a lot of data collected require to be converted into a single value “index” understandable by decision and policy-makers. Therefore, the assessment by using different water quality indices like the National Sanitation Foundation for Water Quality Index (NSFWQI), River Pollution Index (RPI) and Overall Index of Pollution (OIP) are very useful. The present paper used water quality indices and land use maps to assess and investigates the water quality of the Ruvu river in Tanzania. Water quality samples collected from 14 sampling locations for the year 2014-2017 were used. The three water quality indices used in evaluation categorized the water quality of the Ruvu river as a medium, polluted and moderately polluted as per NSFWQI, OIP and RPI respectively. The index values were; 53.2, 4.69 and 4.78 for NSFWQI, OIP and RPI respectively. The impact of land use on water quality was analyzed by using Geographic Information Systems (GIS) and Remote Sensing (RS) techniques and ERDAS imagine. These assessment tools revealed that urban land use and agricultural land uses were the major sources of water pollution in this river.
    VL  - 4
    IS  - 4
    ER  - 

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Author Information
  • Department of Water Quality Laboratory Technology, Water Institute, Dar es Salaam, Tanzania

  • Alternate Hydro Energy Centre, Indian Institute of Technology Roorkee, Roorkee, India

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