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Impact analysis of land use dynamics on coastal features of Deshapran block, Purba East Medinipur, West Bengal
Journal of Coastal Conservation ( IF 2.1 ) Pub Date : 2020-02-26 , DOI: 10.1007/s11852-020-00737-9
Sambandan Rajakumari , Sethu Sundari , Manickam Meenambikai , Vijayakannan Divya

Coastal tract of India endorses diverse land cover features such as mangroves, mudflats, sand dunes, beaches, spits, sand bars and barrier islands. Land use pattern portrays the interaction between human and the environment. Increased anthropogenic activities in the form of urbanization and transformation of landscape into commercial activities like aquaculture would endanger the coastal land cover pattern. Multi temporal time series data facilitate in analyzing the Land use/Land cover (LULC) change dynamics using Remote Sensing and GIS techniques. Present study evaluates the changes in coastal features due to alteration of human intervened land uses in Deshapran block of Purba East Medinipur district of West Bengal. The study was attempted to assess the LULC changes in the past 4.5 decades and its impacts on the coastal features. The changes were detailed in different scenarios of definite time intervals. The study was further up scaled to predict the expected changes in the land cover for the next two decades using CA-MARKOV prediction model. The forecast study indicated that the haphazard expansion of aquaculture would impose severe stress to the crop lands and coastal features as well as menacing the coastline dynamics of Deshapran block. The outcome of the LULC dynamics provide changes in LULC at different period due to increasing human interventions and the forecast study will serve as a key information for policy makers for coastal sustainability of Deshapran.

中文翻译:

土地利用动态对西孟加拉邦Purba East Medinipur Deshapran区块沿海特征的影响分析

印度沿海地区认可各种土地覆盖特征,例如红树林,泥滩,沙丘,海滩,吐痰,沙洲和障碍岛。土地利用模式描绘了人与环境之间的相互作用。以城市化形式增加的人为活动以及将景观转变为水产养殖等商业活动将危害沿海土地覆盖格局。多时间时间序列数据有助于使用遥感和GIS技术分析土地利用/土地覆被(LULC)变化动态。本研究评估了西孟加拉邦Purba East Medinipur区Deshapran街区由于人为干预土地用途的变化而引起的沿海特征变化。该研究试图评估过去4.5年中土地利用,土地利用变化的变化及其对沿海特征的影响。在确定的时间间隔的不同方案中详细介绍了更改。使用CA-MARKOV预测模型进一步扩大了研究规模,以预测未来两年的土地覆盖量预期变化。预测研究表明,水产养殖的无序扩张将给耕地和沿海地区带来沉重压力,并威胁到Deshapran区块的海岸线动态。由于人类干预的增加,土地利用,土地利用变化和变化动力学的结果在不同时期提供了土地利用,土地利用变化和变化,预测研究将为决策者提供有关Deshapran沿海可持续性的关键信息。预测研究表明,水产养殖的无序扩张将给耕地和沿海地区带来沉重压力,并威胁到Deshapran区块的海岸线动态。由于人类干预的增加,土地利用,土地利用变化和变化动力学的结果在不同时期提供了土地利用,土地利用变化和变化,预测研究将为决策者提供有关Deshapran沿海可持续性的关键信息。预测研究表明,水产养殖的无序扩张将给耕地和沿海地区带来沉重压力,并威胁到Deshapran区块的海岸线动态。LULC动态的结果由于人为干预的增加而在不同时期改变了LULC,预测研究将为决策者提供有关Deshapran沿海可持续性的关键信息。
更新日期:2020-02-26
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