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Title: GIS based land degradation analysis on coastal area of Ampara District (from Kalmunai to Nintavur DSDs)
Authors: Kaleel, M.I.M
Keywords: Land Degradation
Soil Erosion and GIS
Issue Date: 6-Jul-2013
Publisher: South Eastern University of Sri Lanka
Citation: Proceedings of the Third International Symposium 2013, pp. 11-14
Abstract: Sri Lanka is faced with several aspects of land degradation, many of which are human induced. The country is free of serious natural hazards such as volcanic activity and earthquakes resulting from climatic extremes, but there are impacts of many natural disasters, such as landslides, floods and droughts, the intensity and frequency of which are increasing due to human interventions. Some areas of Sri Lanka are also periodically subject to cyclones that occur due to climatic conditions and geographical locations. Land degradation denotes all natural or anthropogenic processes that diminish or impair productivity of land. This occurs mainly through soil erosion, loss of organic matter and nutrients in the soil; salinization and large scale land degradation in Sri Lanka. Its manifestations today are heavy loss of soil, siltation in the water bodies, reservoirs and coastal waters, unplanned settlements, loss of arable land leading to declining productivity in agricultural lands and intensification of impacts of natural hazards such as flooding and landslides. Land degradation is a major problem in Eastern Coastal Area from Kalmunai to Nintavur DSDs of Ampara District. However, there is a considerable spatial heterogeneity exists within this area in terms of land use, topography, land management and socioeconomic conditions. Therefore, land degradation assessment studies are very important for the sustainable development of the area. Considering the above background, this study was conducted with the objectives of developing a land degradation assessment model using a GIS based approach.
ISSN: 9789556270426
Appears in Collections:3rd International Symposium - 2013

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