Integrating Remote Sensing and GIS Techniques with Groundwater Flow Modeling for Assessment of Waterlogged Areas |
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| Authors: | Email author" target="_blank">C?ChatterjeeEmail author Rakesh?Kumar B?Chakravorty A?K?Lohani S?Kumar |
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| Affiliation: | (1) Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur, 721302, India;(2) National Institute of Hydrology, Jalvigyan Bhawan, Roorkee, 247667, India;(3) Centre for Flood Management Studies, National Institute of Hydrology, WALMI Complex, Phulwari Sharif, Patna, 801505, India |
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| Abstract: | False Colour Composites (FCC's) of IRS-1A LISS-II sensor pertaining to the dates 9th April 1989 and 7th December 1989 are
used to delineate the pre-monsoon and post-monsoon surface waterlogged areas in a region around Habibpur sub-distributary
bounded by Vaishali branch canal and Gandak river in North Bihar, India for the year 1989 using visual interpretation technique.
Also, digital data of IRS-1C LISS-III sensor pertaining to the dates 7th December 1998 and 6th April 1999 are analyzed in
a digital image processing software – ERDAS Imagine 8.3.1, to delineate the pre-monsoon and post-monsoon surface waterlogged
areas for the year 1998–1999. Further, for the study area, the waterlogging conditions are delineated for the year 1991–1992
using the groundwater flow modeling software package, MODFLOW. The results obtained using satellite remote sensing data and
groundwater flow modeling are integrated in a GIS environment in ERDAS Imagine for assessment of the waterlogging areas. |
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| Keywords: | digital analysis ERDAS Imagine GIS groundwater flow modeling MODFLOW NDWI remote sensing visual interpretation waterlogging |
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