Mapping and characterization of inland wetlands using remote sensing and GIS

被引:0
作者
Manju G. [1 ]
Chowdary V.M. [3 ]
Srivastava Y.K. [1 ]
Selvamani S. [1 ]
Jeyaram A. [1 ]
Adiga S. [2 ]
机构
[1] Regional Remote Sensing Service Centre, Indian Space Research Organization
[2] National Natural Resources Management System
[3] Indian Space Research Organization
关键词
Aquatic Vegetation; Post Monsoon Season; Oxbow Lake; Post Monsoon; Turbidity Level;
D O I
10.1007/BF02989990
中图分类号
学科分类号
摘要
Sustainable management of wetland ecosystem is necessary as it serves the important functions such as food storage, water quality maintenance and providing habitat for different species of wildlife. Hence, an inventory of wetlands in any given area is a pre-requisite for their conservation and management. A study has been carried out to delineate the wetlands of east Champaran district of Bihar, India, using IRS ID LISS III data. The data for the pre and post monsoon seasons have been analysed and the wetlands have been qualitatively characterized based on the turbidity and aquatic vegetation status. The extent of water logging problem in the study area was inferred from the seasonal variation of waterspread during both the seasons. The three categories of wetlands (ponds/lakes, water logged areas and oxbow lakes) have been identified. From the analysis, it has been observed that the inland wetlands constitute 2.7% of the study area, of which 1.8% is subjected to water logging. Thus, this study highlights the usefulness of remotely sensed data for wetland mapping, seasonal monitoring and characterization.
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页码:51 / 61
页数:10
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