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Groundwater recharge potentiality mapping for opportune augmentation following two MCDMs for a Western Himalayan watershed
AbstractAccounting potential zones for recharging groundwater is a prerequisite before the implementation of the springshed conservation program. Many studies have suggested that the resurgence of the springs in the Himalayan region is waning due to anthropogenic and Climate Change impacts. Typical physical methods of recharge zone explorations are manpower & fiscal-intensive and find limited applicability in areas with steep slopes and undulating topography. The deliberated study is an attempt towards the identification of potential recharge zones using topographical and meteorological indices via two MCDM methods, namely, AHP and Fuzzy AHP for the Saryu watershed of Kumaun Himalaya, Uttarakhand. Twelve thematic layers following the assignment of suitable weights were overlayed for the development of the groundwater recharge potentiality map. The findings indicated that following AHP 6%, 86.89%, 7.10% & 0.01% of the study area demonstrates low, moderate, high, and very high potentiality for groundwater recharge, while, FAHP suggests these indices to be 19.23%, 76.77%, 3.55%, & 0.45%, respectively. Further, FAHP demonstrates the redundancy of a few input layers for the adopted scale of the input data. The study also furnishes a brief description of opportune recharge structures based on the groundwater recharge potentialities.
Groundwater recharge potentiality mapping for opportune augmentation following two MCDMs for a Western Himalayan watershed
AbstractAccounting potential zones for recharging groundwater is a prerequisite before the implementation of the springshed conservation program. Many studies have suggested that the resurgence of the springs in the Himalayan region is waning due to anthropogenic and Climate Change impacts. Typical physical methods of recharge zone explorations are manpower & fiscal-intensive and find limited applicability in areas with steep slopes and undulating topography. The deliberated study is an attempt towards the identification of potential recharge zones using topographical and meteorological indices via two MCDM methods, namely, AHP and Fuzzy AHP for the Saryu watershed of Kumaun Himalaya, Uttarakhand. Twelve thematic layers following the assignment of suitable weights were overlayed for the development of the groundwater recharge potentiality map. The findings indicated that following AHP 6%, 86.89%, 7.10% & 0.01% of the study area demonstrates low, moderate, high, and very high potentiality for groundwater recharge, while, FAHP suggests these indices to be 19.23%, 76.77%, 3.55%, & 0.45%, respectively. Further, FAHP demonstrates the redundancy of a few input layers for the adopted scale of the input data. The study also furnishes a brief description of opportune recharge structures based on the groundwater recharge potentialities.
Groundwater recharge potentiality mapping for opportune augmentation following two MCDMs for a Western Himalayan watershed
Discov Water
Joshi, Himanshu (author) / Bohra, Manoj Singh (author) / Kumar, Devendra (author) / Rani, Meenu (author) / Arya, Om Prakash (author)
Discover Water ; 4
2024-07-15
Article (Journal)
Electronic Resource
English
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