Earth & Environmental Sciences
erosion
100%
runoff
81%
cinder cone
80%
river
74%
lava flow
71%
Holocene
66%
lake
60%
forest fire
59%
sediment yield
48%
rainfall
47%
watershed
47%
Pleistocene
46%
cave
43%
drainage
41%
lava
40%
climate type
39%
coast
38%
wildfire
36%
Antarctica
36%
landslide
35%
volcanic eruption
35%
urbanization
34%
peak discharge
34%
hydrological regime
33%
terrace
33%
effect
33%
soil erosion
33%
soil
33%
drainage basin
33%
rate
33%
volcano
32%
sediment
31%
digital elevation model
31%
bedrock
31%
hydrological change
29%
karst
29%
land degradation
29%
tracer
29%
basin
29%
trough
28%
tectonics
27%
infiltration
26%
mountain
26%
Rendzina
25%
vegetation cover
25%
Mediterranean Area
24%
lithology
24%
terra rossa
24%
sea
24%
ash
24%
Social Sciences
erosion
95%
Israel
76%
natural disaster
57%
Land degradation
51%
river
44%
Argentina
43%
Jordan
41%
Mediterranean region
29%
agricultural development
29%
Drainage basins
29%
Water discharge
27%
subversion
24%
urbanization
24%
wetland
24%
Antarctica
21%
event
20%
Agricultural land
20%
time
19%
drought
19%
Water flows
17%
occupation
16%
Mexico
16%
water
16%
Peru
16%
environmental impact
14%
bank
14%
Middle East
14%
Territories
12%
agricultural area
11%
Republic of South Africa
11%
trend
11%
evaluation
10%
travel
10%
Geographical Information System
10%
present
9%
Water recycling
9%
settling
9%
Flood damage
9%
Drainage systems
8%
monitoring
8%
simulation
8%
termination
8%
Land use classification
8%
development project
7%
interference
7%
artifact
6%
Topographic maps
6%
Tourism
6%
irrigation
6%
water management
5%