Groundwater Resources Sustainability: Past, Present, and Future

Engineering & Materials Science

• Groundwater resources 100%
• Groundwater 63%
• Sustainable development 47%
• Groundwater pollution 16%
• Arid regions 14%
• Water supply 10%
• Irrigation 10%
• Economics 5%

Earth & Environmental Sciences

• groundwater resource 56%
• sustainability 40%
• groundwater 32%
• groundwater pollution 10%
• traditional knowledge 10%
• methodology 10%
• resource 10%
• semiarid region 9%
• footprint 8%
• population growth 8%
• recharge 7%
• water supply 7%
• irrigation 6%
• measuring 6%
• economics 5%
• world 5%
• index 4%