Abstract
Land use/land cover (LULC) changes may lead to vulnerable land resource and imbalanced ecosystem. This paper aimed to identify the change of LULC in the center of the Ba river basin. As well, the risk of land use change (LUC) was assessed based on remote sensing data and Analytic Hierarchy Process to determine the areas where LULC can modify with varying degrees. The LULC and Normalized Difference Vegetation Index (NDVI) data processed from Landsat images on Google Earth Engine platform were overlayed to create a zoning map of LUC risk levels in dry season of 2010 and 2020. Over 10 years, the largest increased area was bare land with a growth of 4.98%; whereas the most reduced area was shrub with a decrease of 4.21%. Forest area accounted for the highest proportion of the whole area. LULC classes and NDVI values were assigned different risk weightages to produce the risk distribution map of LUC levels and susceptible areas. The results revealed the most risk zones (High and Very high) constituted more than 50% and stayed steadily from 2010 to 2020, in which shrub areas were partially transformed to bare land or agricultural land due to economic development.
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