Canal Irrigated Area in India Declining? -- 5.9 Is â Aquifer Mappingâ a Panacea for Groundwater Over-Exploitation? -- 5 … and Land Use Change -- 6.1 Introduction -- 6.2 Forest-Water Interactions -- 6.3 Groundwater-Surface Water Interactions ….2 Groundwater Too Complex a Resource to Manage -- 11.3 Comparing Surface Irrigation and Groundwater Irrigation …