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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(9): 1245-1260
DOI: https://doi.org/10.20546/ijcmas.2018.709.149


Determination of the Geomorphologic Parameters of the Thuthapuzha River Basin in Central Kerala, India, Using GIS and Remote Sensing
B.J. Chethan1 and B. Vishnu2
1KCAET, KAU, Tavanur, Kerala, India
2RARS, Kumarakom, Kerala, India
*Corresponding author
Abstract:

The morphometric analysis of the Thuthapuzha river basin using GIS gives a platform for deriving the geomorphological parameters. This Kerala river basin has dendritic type of drainage network with an elongated basin. The elongated basin is described by shape parameters such as form factor, shape factor, circulatory ratio, and elongation ratio. Lower stream frequency reveals that this basin has less structural disturbance as a result of high surface runoff and fast stream flow. Drainage texture is found to be 10.5 which reveals that the intensity of the stream network is finer indicating that the surface runoff is more. The average bifurcation ratio and stream frequency is found to be 1.83 and 2.4 respectively which describe the stream characteristics. The length of overland flow in the study area is 0.342 which shows that stream erosion is more predominant than sheet erosion in the catchment. The basin is having a ruggedness number of 3.402 which exhibits higher stream velocity, hence Thuthapuzha river basin is prone to soil erosion.


Keywords: GIS, Geomorphologic parameters, Thuthapuzha River basin
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How to cite this article:

Chethan, B.J. and Vishnu, B. 2018. Determination of the Geomorphologic Parameters of the Thuthapuzha River Basin in Central Kerala, India, Using GIS and Remote Sensing.Int.J.Curr.Microbiol.App.Sci. 7(9): 1245-1260. doi: https://doi.org/10.20546/ijcmas.2018.709.149