Abstract
Opencast coal mining has an immense impact on the changing land use and land cover pattern of any colliery belt. This is the main thrust of the present study. Land-use practices, like built-up area, cropland, vegetation, water body, bare land, mining area etc. have been identified. The pattern of changing land use and land cover in the Mangalpur private opencast colliery has been analysed. At the same time, entire Raniganj block has been studied with the help of secondary data. SOI Topographic map 73M/2 has been used to show the situation of collieries both underground and opencast of Raniganj block in 1967. The land use and land cover changes in the Raniganj block have been analysed for 12 years i.e., from the year 2007 to 2019 using remote sensing techniques. The changes have been detected at 6 year time gap. For that purpose Landsat-5 TM, Landsat-8 OLI/ TIRS satellite images are used. Apart from that, the quantification of spatio-temporal dynamics of land use and land cover patterns are also examined by supervised image classification. The study exposed that extend of the mining area and the bare land area has increased in 2019 compared to 2007. On the contrary, cropland and vegetation cover have decreased significantly during the period under study. To achieve sustainable use of land in the study area, some management procedures have been discussed at the end
Highlights
Proper understanding of land use and land cover is an important factor for several planning and management activities of any region
In-depth knowledge of land use and land cover features represents the basics for land classification and management.[1]
Change detection using satellite images provides the opportunity for timely and consistent estimates of changes in land-use trends over large areas and has the additional advantage of the ease of data handling by a geographical information systems (GIS).[2]
Summary
Proper understanding of land use and land cover is an important factor for several planning and management activities of any region. It is the key information for resource management and policy development, as well as for other allied issues. In-depth knowledge of land use and land cover features represents the basics for land classification and management.[1] Remote sensing and geographical information systems (GIS) are important tools for studying the distribution of land-use and their changing trend nowadays. Change detection using satellite images provides the opportunity for timely and consistent estimates of changes in land-use trends over large areas and has the additional advantage of the ease of data handling by a GIS.[2]
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