The Impact of Climate Change on Water Resources in North-Eastern of Algeria Hydrochemical Characteristics and Water Quality Assessment Case of : Khenchela Province

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Université Abbes Laghrour -Khenchela-
Since the turn of the 20th century, climate change and water quality degradation have become a major global issue as they affect national economies, human and animal lives and the environment. (IPCC, 2022). Water scarcity and degraded water quality have, of late, posed a great threat to a vast majority of mankind. Consequently, the study of the adverse impacts of global climate change (GCC) on water quality has become an emerging area of worldwide interest. It is also well accepted that human induced climate change is, to an extent, inevitable. Current perspectives on global climate change based on recent reports of the Intergovernmental Panel on Climate Change (IPCC) are presented. Impacts of a greenhouse warming that are likely to affect water planning and evaluation include changes in precipitation and runoff patterns, sea level rise, land use and population shifts following from these effects, and changes in water demands. Irrigation water demands are particularly sensitive to changes in precipitation, temperature, and carbon dioxide levels. Despite recent advances in climate change science, great uncertainty remains as to how and when climate will change and how these changes will affect the supply and demand for water at the river basin and watershed levels, which are of most interest to planners.