Spatio-Temporal Detection of Land Use/Land Cover Changes in Kokrajhar District of Assam
Jeshmi Machahry

Jeshmi Machahry, Department of Geography, Gauhati University, Guwahati-781 014 Assam, India.

Manuscript received on 18 April 2024 | Revised Manuscript received on 24 April 2024 | Manuscript Accepted on 15 May 2024 | Manuscript published on 30 May 2024 | PP: 1-8 | Volume-13 Issue-6, May 2024 | Retrieval Number: 100.1/ijitee.F987213060524 | DOI: 10.35940/ijitee.F9872.13060524

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Abstract: The use of multi-temporal satellite images in digital change detection algorithms aids in the comprehension of landscape dynamics. The present study illustrates the spatio-temporal dynamics of land use/land cover of Kokrajhar district of Assam, India. Landsat Satellite imageries of four different time periods. i.e., Landsat Thematic Mapper (TM) of 1991, 2001, 2011 and 2021 were acquired from Google Earth Explorer site and quantify the changes of Kokrajhar district from 1991 to 2021 over a period of 30 years. Supervised classification methodology has been employed using maximum likelihood technique in ArcMap 10.8 Software. The images of the study area were categorised into four different classes namely vegetation, agriculture, built up and water body. The results indicate that during the last three decades, built up have been increased by 3.8% (658.75 km2) while agriculture, vegetation and water body have been decreased by 0.74 (708.9 km2) %, 0.56(1494.46 km2) % and 2.46 (273.5 km2) % respectively.

Keywords: Land Use/Land Cover, Change Detection, GIS, Remote Sensing, Kokrajhar
Scope of the Article: Remote Sensing, GIS and GPS