Land use and Land cover signifies the human footprints on the surface of the earth. The current studydepicts the Land use and Land cover change analysis of Ramganjmandi tehsil of Kota district in Rajasthan,for a period of 30 years, 1990 to 2020. Supervised classification in ERDAS imagine software, opting maximumlikelihood classifier is used for the classification of the region into 7 classes. LANDSAT 1-5, 7, 8 Level 1collection were used for the year 1990, 2000, 2011, 2018 and 2020. The region shows a rapid change in theclasses of Mining, Agriculture, Vegetation, and waterbody. There is negative correlation between Miningarea and Vegetation (-0.68), Mining Area and Water Body (-0.86), Mining area and Cropland (-0.11), MiningArea and Open Land (-0.68), Mining area and Built-up area (0.84). The vegetation cover of the region hasalso declined from the year 1990 to 2020.
Agriculture with its allied sector is largest livelihood providing sector in India. It also contributes to the employment. 54.6 % of the workforce is involved in the agricultural sector alone. Ramganjmandi is a Tehsil situated in the south-eastern part of Rajasthan. The region undergoes limestone, popularly known as Kota stone mining. The region faces serious threat in terms of air soil, noise, and water pollution. Irrigated supply when impacted by the economic activity induce toxic chemicals in the food chain. The objective of the paper is to assess the irrigational suitability of water in Ramganjmandi tehsil of Kota in Rajasthan. The suitability will be assessed using sodium absorption ratio SAR, Sodium percent, Kelleyâs ratio KR and Electrical Conductivity. The static modelling of these irrigational parameters is executed in Arc GIS using Interpolation through inverse distance weightage method. The value of Electrical conductivity lies between 367 μS to 939μS, SAR values lies between 0.98 to 11.16, sodium percent values lie between 11.43 to 60.14% and Kelleyâs index values lie between 0.12 to 1.35.
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