Agriculture & Biology
clay
5%
cluster analysis
10%
degradation
3%
dissolved organic carbon
31%
dissolved organic matter
59%
drainage channels
8%
factor analysis
6%
groundwater
100%
groundwater flow
10%
groundwater recharge
39%
hydrologic models
9%
isotopes
11%
lakes
75%
methodology
3%
nutrients
3%
pesticides
4%
pollutants
88%
sampling
4%
total dissolved nitrogen
10%
total dissolved phosphorus
10%
total nitrogen
5%
total phosphorus
6%
tracer techniques
91%
water
16%
Earth & Environmental Sciences
catchment
69%
clay
3%
cluster analysis
10%
comparison
4%
degradation
3%
dissolved organic carbon
22%
dissolved organic matter
40%
drainage
4%
factor analysis
5%
flow pattern
5%
groundwater
55%
groundwater flow
5%
isotope
8%
lake
53%
method
1%
methodology
3%
modeling
38%
nitrogen
6%
nutrient
3%
pesticide
5%
phosphorus
8%
pollutant
54%
rate
5%
recharge
81%
tracer
72%
water
6%
water retention
18%
well
7%