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Seasonal Variation of Groundwater Quality for Irrigational uses in Gadilam River Basin, Tamil Nadu, India
Author(s) -
Mohammed Rizwan K,
V Thirukumaran,
M. Suresh
Publication year - 2021
Publication title -
international journal of civil, environmental and agricultural engineering
Language(s) - English
Resource type - Journals
ISSN - 2582-2721
DOI - 10.34256/ijceae2122
Subject(s) - sodium adsorption ratio , groundwater , irrigation , hydrology (agriculture) , salinity , structural basin , wet season , sodium carbonate , environmental science , geology , sodium , geography , chemistry , geomorphology , drip irrigation , agronomy , oceanography , geotechnical engineering , cartography , organic chemistry , biology
The present research work pertains to the Gadilam river basin groundwater quality for irrigation uses with respect to the Archaean formation, the Quaternary formation, the Tertiary formation and the Cretaceous formation. Experiments were carried out for two seasons (rainy season and summer season) for two successive years (November 2018 and June 2019). Overall, 120 groundwater samples were collected from the Gadilam river basin, excluding the reserved forest area. The 50 samples were collected from the Archaean formation, 34 samples from the Quaternary formation, and 35 samples from the Tertiary Formation. The remaining sample is from the Cretaceous formation. Based on the obtained analysed data, the following agricultural water quality parameters were calculated using the following expressions: The irrigational quality parameters are used, such as sodium percentage (Na%), sodium adsorption ratio (SAR), Kelly’s ratio (KR), permeability index (PI), magnesium ratio (MR), residual sodium carbonate (RSC), and potential salinity (PS) are calculated and assessed for irrigation purposes.

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