Earth & Environmental Sciences
modeling
100%
energy crop
67%
Europe
66%
sea
57%
river
56%
eutrophication
55%
land
48%
aquatic environment
45%
human development index
44%
water quality
43%
nutrient
39%
nutrient cycle
38%
aquatic system
36%
pollutant
34%
nanomaterial
33%
urbanization
33%
brook
32%
hydrological cycle
32%
river basin
31%
world
30%
headwater
30%
catchment
29%
carbon cycle
29%
Africa
27%
land use change
26%
fertilizer
26%
diet
25%
residence time
25%
marine environment
25%
water
25%
carbon
25%
drought
23%
mitigation
22%
global model
22%
coastal water
21%
family
21%
human activity
20%
food
20%
surface water
19%
pollution
19%
trend
17%
biogeochemical cycle
16%
urban water
16%
phosphorus
15%
Southeast Asia
15%
climate
15%
nitrogen
15%
drainage basin
15%
diesel
14%
energy
14%
Social Sciences
Water quality
75%
pollutant
67%
Surface waters
43%
scenario
43%
water
39%
river
30%
urbanization
18%
Drainage basins
18%
classroom
15%
measurement method
13%
water pollution
13%
energy
12%
interaction
12%
River transport
11%
aggregation
10%
learning
10%
budget
9%
environmental impact
9%
sustainable development
8%
sustainability
7%
funding
6%
inclusion
6%
quantification
6%
planning
5%
River basins
5%
Engineering & Materials Science
Rivers
86%
Crops
65%
Biodiesel
62%
Microplastic
50%
Eutrophication
49%
Fertilizers
33%
Nutrients
22%
Soils
11%
Nitrogen
9%
Watersheds
7%
Water quality
7%
Phosphorus
7%
Runoff
7%
Biofuels
6%
Aquatic organisms
6%
Agriculture
6%
Ecosystems
6%
Bactericides
6%
Sanitation
6%
Leaching
5%
Waste management
5%