Earth & Environmental Sciences
modeling
100%
river
70%
sea
62%
energy crop
60%
Europe
59%
brook
58%
urbanization
51%
eutrophication
49%
land use change
47%
catchment
46%
land
44%
river pollution
41%
aquatic environment
40%
human development index
39%
water quality
39%
pollution
35%
crop production
35%
nutrient
34%
nutrient cycle
34%
pollutant
34%
Black Sea
33%
aquatic system
32%
nanomaterial
29%
hydrological cycle
29%
river basin
28%
world
27%
plastic
27%
headwater
26%
carbon cycle
25%
Africa
24%
drought
23%
fertilizer
23%
diet
23%
residence time
23%
mitigation
22%
marine environment
22%
water
22%
carbon
22%
wetland
20%
organic carbon
20%
global model
19%
coastal water
19%
basin
19%
family
18%
human activity
18%
food
17%
surface water
17%
climate
17%
trend
17%
soil
16%
Social Sciences
Water quality
67%
pollutant
59%
Surface waters
39%
scenario
38%
water
34%
river
26%
urbanization
16%
Drainage basins
16%
classroom
13%
measurement method
11%
water pollution
11%
energy
11%
interaction
10%
River transport
10%
aggregation
9%
learning
8%
budget
8%
environmental impact
8%
sustainable development
7%
sustainability
6%
funding
6%
inclusion
5%
quantification
5%
planning
5%