Land use and land cover using remote sensing and GIS techniques - A case study of Thanjavur District, Tamil Nadu, India
Subject Area:Life Sciences
The present study aims to find out the land use and land cover in Thanjavur district. The total extention of the area of 3397 sq.km. The district is located in the Eastern coast of Tamil Nadu. The study has been mainly used of satellite imagery for identifying the land use and land cover of the study area. ERDAS and GIS soft were has been used in the study area. Here the researcher followed to the supervise classification and followed the block wise land use and land cover classification in the Thanjavur district. There are 14 blocks in the district such as Ammapettai, Budalur, Kumbakonam, Thanjavur, Papanasam, Thiruvidaimaruthur, Thiruvonam, Thiruppanandal, Orathanadu, Madukkur, Thiruvaiyaru, Pattukkottai, Peravurani, and Sethubhachatram.. The district has been classified into 11 classes in level I to level II. In Thanjavur district total major land use and land cover categories of agriculture land was 1775.4 sq.km, built-up land was 545.12 sq.km, water bodies were 68.29 sq.km, mixed plantation was 424.49 sq.km, scrub land was 131.25 sq.km, without scrub land was 150.99 sq.km, river sand was 45.58 sq.km, mangroves 19.55 sq.km, aquaculture and salt pan 26.9sq.km and marshy land 7.68sq.km. Finally the Rank correlation methods were followed in the district.