Abstract

The Indus Basin's advantageous climate and topography rendered it a prime site for the implementation of an irrigation system. This study looks at how the Indus Basin is affected by climate change. Changes in water flow, glacial/snow melt, and catchment areas in the Indus and its tributaries are revealed by trend analysis from hydro-logical stations. A network of canals constituted of trans-boundary rivers was built beside the Indus River System (IRS), soon after the implementation of the Indus Water Treaty, about 70% of its water was allocated for irrigation purposes. An evident increase from 8.5 to 18.2 million hectares (MH) in the cropland area in Pakistan is monitored, whereas in India it increased widely from 2.02 to 8.5 MH that is about three times of the pre-vious figures due to expansion of the Indus irrigation network. Water tables have dropped and water logging has resulted from urbanization and groundwater extraction, while the use of pesticides and fertilizers has lowered the quality of the water.These problems are made worse by climate change, which presents serious obstacles to the region's water security, environmental sustainability, and economic growth.This article provides a comprehensive analysis of the modifications in the Indus Basin irrigation system and the impact of these changes on environmental resources. We can create practical plans to lessen the consequences of climate change and guarantee the Indus Basin has a safe and sustainable water supply in the future by comprehending how it affects the basin.