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Subject
- Groundwater flow25
- Groundwater18
- Water quality18
- Streamflow16
- Water16
- Hydrogeology9
- Aquifers8
- Nutrient pollution of water7
- Stream measurements6
- Contaminated sediments5
- Water temperature5
- Runoff4
- Suspended sediments4
- Water-supply4
- Lake sediments3
- Water withdrawals3
- Erosion2
- Floods2
- Hydrologic models2
- Organic compounds2