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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(1): 891-897
DOI: https://doi.org/10.20546/ijcmas.2019.801.096


Assessment of Environmental Flow Requirement using Environmental Management Classes-Flow Duration Curve for Narmada River
Alpna Dubey1*, Omkar Singh2, Shashank Shekhar3 and Chwadaka Pohshna4
1College of Agricultural Engineering, J.N.K.V.V. Jabalpur (M.P.), India
2National Institute of Hydrology, Roorkee-247 667 (Uttarakhand), India
3College of Agricultural Engineering, Bapatla, (A.P.), India
4College of Agricultural Engineering and Post-Harvest Technology Ranipool (Sikkim), India
*Corresponding author
Abstract:

The Narmada is the largest west-flowing peninsular river ranks seventh in terms of water discharge (38km3/yr) in India. A number of dams have been constructed on the Narmada River and its tributaries, mainly for the purpose of electric power generation, irrigation and for controlling floods. The objective of this paper is to calculate minimum flow of Narmada River which is necessary to protect ecosystem and biodiversity at downstream site of dam which is constructed across Narmada River and its tributaries. In the present study, the flow data was analyzed for four stations (Sandia, Barman, Dindori, and Manot gauging stations) in Narmada basin using Global Environmental Flow Calculator (GEFC) developed by International Water Management Institute (IWMI) Shri Lanka. It is built around a period-of-record flow duration curve (FDC) accumulative probability distribution function of flows and includes several subsequent steps. The environmental flow requirement (EFR) for protection of biodiversity and ecosystem of River minimum flow should be 46% of MAR (Mean Annual Runoff) at barman station, 45.1% of MAF at Sandia station and 36.1% at Dindori station and 24.3% of MAR at Manot station of Narmada basin.


Keywords: Environmental flow, Riverine ecosystem, River basin, Water quality
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How to cite this article:

Alpna Dubey, Omkar Singh, Shashank Shekhar and Chwadaka Pohshna. 2019. Assessment of Environmental Flow Requirement using Environmental Management Classes-Flow Duration Curve for Narmada River.Int.J.Curr.Microbiol.App.Sci. 8(1): 891-897. doi: https://doi.org/10.20546/ijcmas.2019.801.096