LAND USE/LAND COVER DETECTION AND DELINEATION OF TERI LAND IN SATHANKULAM TALUK IN THOOTHUKUDI DISTRICT, TAMILNADU, INDIA USING REMOTE SENSING AND GIS

The land use/landcover (LULC)map of Sathankulam Taluk in Thoothukudi District, Tamil Nadu, India is famous for its Teri soil. The study area covers the cultivable land, fallow land, barren land, shrub vegetative cover, woody vegetative cover, teri land, eroded land, river, water bodies, wetland, salt pan and settlement. This study was focussed to delineate the teri land and to assess the temporal changes in Sathankulam taluk area. The terisoil area was delineated and extracted the Teri land using multi temporal LISS-III imagery. The study revealed that the declination of teri land area from 46.73 km2 to 33.08 km2 in the study area over the desired period.