Hierarchical systems Geographic information systems 8 Analytical Hierarchy Process 4 Remote sensing 4 analytical hierarchy process 4 Analytic hierarchy process 3 China 3 GIS 3 Groundwater potentials 3 Groundwater resources 3 Land use 3 Recharging (underground waters) 3 Roads and streets 3 Sustainable development 3 AHP 2 Analytical hierarchical process 2 Aquifer recharge 2 Aquifers 2 Charging (batteries) 2 Decision making 2 Ecology 2 Information use 2 Lithology 2 Water management 2 groundwater 2 integrated approach 2 multicriteria analysis 2 remote sensing 2 spatiotemporal analysis 2 AHP (analytical hierarchy process) 1