Abstract | PDF

Environmental Problems Analysis of Coal Mining in Raniganj & Asansol Blocks (West Bengal) Using Remote Sensing and GIS

Avadhesh Kumar Koshal
Research scholar
C.C.S. University Meerut. U.P.,
Email: akkoshal@hotmail.com

Coal mining destroys or significantly alters all the physical features that influence the capabilities of the land. Mining is the only land use for a long time without reclamation mining operations usually produce large qualities of wastes, overburden and under grade ore materials etc. The present study of areas Asansol and Raniganj blocks situated in Raniganj Coal Belt (RCB), which lies in Burdwan districts of West Bengal state in India. Two time data of IRS 1C 1D LISS III (1999) and IRS 1A/ 1B LISS I/II data 1988/1989 used for studied on PC based ERDAS IMAGINE 8.3.1 and PC based ARC VIEW 3.1 software for change detection and impact analysis. Raniganj coalfields (RCF) where extensive and rapid underground and Open Cast Mining (OCM) is going on continuously land use studies are paramount importance.
This paper discusses the remote sensing and GIS techniques used for identification of various land use / land covers of satellite imagery and identification of time sequential changes in land use patterns. A no. of image processing operations have been carried out on remote sensing data for enhancing land use patterns. Time sequential surface changes that have occurred in the RCF since 1999 and particularly between 1999 to 1989 have been investigated. For change detection analysis, data manipulation in several steps involving preprocessing, processing and colour display have been carried out. Land changes have been detected by different algorithm. The total area 221.28 sq km area was studied throughout the different villages. About 142.02 sq km areas were identified affected in different category it is digitally identified.
Mining is the dominant among all the mining activities for environmental degradation. Due to mining processes, there are changes in natural environment. The changes develop adverse impact on the entire vegetative community, human & wildlife however, in spite of many adverse impacts. Large areas of forest, agriculture & pasturelands have been converted in to collieries, colonies & fallow lands due to rapid expansion of coalmines.

Keywords: RCF, GIS, coal, RCB and remote sensing.