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Asia-Pacific Network for Global Change Research

Asia-Pacific Network for Global Change Research

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Project • CBA2021-06SY-Yadav

Capacity development program on-site suitability mapping for managed aquifer recharge (MAR) under varying climatic conditions using remote sensing and machine learning-based hydrological modeling tools

South Asia, the fastest growing economic world region, is itself a world macrocosm that fully represents all-natural and human conditions. In areas where population, agriculture, and industry are concentrated, these human infrastructures strongly impact the surface and subsurface environments, spoiling long-standing natural earth balances. These consequences are further amplified due to the erratic rainfall distribution and climate variability, especially in arid and semi-arid regions. Water supply can be one of the principal stresses on society, and the need for and accessibility of water will always be local, requiring local organization and management. Groundwater exploitation has grown rapidly and has challenged human capability to sustain the resource, and where the climate is varying, the challenge has intensified. Despite various negative consequences of natural and anthropogenic changes, groundwater still has the potential to mitigate the impacts of climate change if adequately managed and is probably the most resilient water resource. Managed aquifer recharge refers to a suite of increasingly used methods to maintain, enhance, and secure groundwater systems under stress. In this project, a much-required capacity development program is proposed at both local and regional levels to address the knowledge and skill gaps in effectively implementing the MAR schemes for sustainable groundwater management.