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Frist Edition: 2024 ISBN: 978-81-975795-5-4 |
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Abstract |
Chapter 8 Spatio-Temporal Assessment of Land Use and Land Cover of Harike Wetland in Punjab using Remote Sensing and GIS Mridula Mandal1, Priya Priyadarshni1,2, Sunil Mittal1, Puneeta Pandey⃰ 1,2
1Department of Environmental Science and Technology, School of Environment and Earth Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab 2Centre of Environmental Studies, Institute of Interdisciplinary Studies, Faculty of Science, University of Allahabad, Prayagraj, 211002 Email: *puneeta@allduniv.ac.in, puneetapandey@gmail.com
Abstract. Wetlands are among the world’s most important and threatened ecosystems. The Harike wetland in Punjab is considered a wetland of international importance and was declared a Ramsar site in 1990. The wetland in northwest India has been under stress due to various anthropogenic activities, leading to degradation in the past few years. There is a need to identify the threats and measures for its conservation. Remote sensing combined with Geographical Information Systems (GIS) helps in collecting and generating useful information which can be used to assess the changes in wetlands over a period of time. The present study aims to determine the Land Use and Land Cover (LULC) variation of the Harike wetland. Remote Sensing technologies have been used to evaluate the changes in wetland over a period of time. Landsat OLI/TIRS images for the years 2013 and 2022 were acquired from the USGS Earth Explorer Website. The images were pre-processed and classified to generate LULC maps. The results reveal that the water bodies and wetland area have declined respectively, while the area under agriculture and built-up area/ barren land has increased over the course of almost ten years. Efforts have also been made to study land cover features of the area for its ecological importance and continuous monitoring.
Keywords: Land Use Land Cover (LULC), Remote Sensing, GIS, Harike, Wetland |
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