A fuzzy geospatial approach for delineation of groundwater potential zones in Raipur district, India
作者： Sudhakar Singha , Pragnya Das , Soumya S. Singha
DOI: 10.1016/J.GSD.2020.100529
关键词: Resource management 、 Environmental science 、 Water resource management 、 Fuzzy logic 、 Groundwater 、 Scale (map) 、 Lineament 、 Geospatial analysis 、 Ground truth 、 Aquifer
摘要: Abstract Delineation of groundwater potential zones was carried out using fuzzy geospatial approach for the sustainable resource management in Raipur district, Chhattisgarh, India. In present study, eleven controlling factors were selected and their respective membership (FM) layers overlaid with GAMMA operator to develop zone (GPZ) map. A total 62.62% 37.38% area fell under low moderate high GPZ category, respectively. Sensitivity analysis highlighted that lineament density (SD = 0.0057), proximity surface water body (SD = 0.0046), aquifer (SD = 0.0036) significant contributors towards potentiality region. Ground truth verification proposed model done available well yield data study a linear relation between computed indices values found positive correlation value 0.77 (r) justified reliability authenticity. The is robust tool can be utilized versatile scale dataset any parts world.
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