Engineering & Materials Science
Catchments
100%
Nitrates
83%
Groundwater
78%
Rivers
65%
Eutrophication
12%
Estuaries
11%
Environmental Protection Agency
9%
Water supply
8%
Pollution
6%
Sampling
5%
Agriculture & Biology
groundwater
72%
Scotland
71%
nitrates
55%
rivers
52%
water quality
28%
groundwater extraction
18%
United States Environmental Protection Agency
12%
eutrophication
11%
body water
9%
estuaries
9%
water supply
9%
pollution
8%
climate change
7%
monitoring
6%
Earth & Environmental Sciences
catchment
50%
nitrate
48%
groundwater
40%
river
32%
river basin management
22%
agricultural practice
18%
management plan
16%
good chemical status
14%
agricultural pollution
12%
good ecological status
12%
groundwater abstraction
11%
catchment area
8%
monitoring data
8%
environmental protection agency
8%
eutrophication
7%
water body
7%
environmental change
7%
water supply
6%
estuary
6%