Human activities significantly impact the water cycle through various means, primarily by altering natural landscapes. Deforestation reduces evapotranspiration, leading to decreased rainfall and increased drought and flooding risks in affected areas, disrupting local hydrological cycles[1]. Additionally, agriculture changes water movement by replacing natural vegetation with crops, leading to increased surface runoff and reduced groundwater recharge[1][4].
Researchers noted that humans influence approximately 60% of seasonal surface water variability, affecting global water levels[2]. Activities such as irrigation, hydroelectric power generation, and urban development also complicate the natural pathways of water, contributing to issues like saltwater intrusion and habitat degradation[3][4][5][6].
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