Earth & Environmental Sciences
active layer
17%
aggradation
11%
aquifer
19%
aquitard
10%
basin
9%
calibration
6%
carbon
7%
climate
7%
degradation
11%
dissolved organic carbon
12%
electrical resistivity
6%
fire history
6%
flow velocity
9%
freezing
6%
frozen ground
6%
GRACE
7%
groundwater
49%
groundwater abstraction
7%
groundwater flow
63%
headwater
20%
hydraulic conductivity
5%
hydraulics
8%
hydrogeology
8%
in situ
6%
modeling
8%
particle size
8%
permafrost
100%
pingo
7%
plateau
25%
rate
6%
reactivation
6%
recharge
9%
river
17%
saline intrusion
6%
sap flow
6%
sea level rise
9%
sediment
11%
solute
7%
streamflow
8%
surface temperature
10%
suspended particulate matter
7%
temperature
18%
temperature profile
10%
thawing
10%
thermal regime
14%
warming
22%
water
8%
water budget
5%
water extraction
6%
xylem
6%
Agriculture & Biology
cables (equipment)
6%
China
9%
degradation
7%
Fagus sylvatica
11%
Fagus sylvatica subsp. sylvatica
6%
fire history
7%
forest fires
5%
groundwater
7%
groundwater flow
19%
heat
9%
organic carbon
5%
permafrost
39%
plateaus
12%
Pseudotsuga menziesii
5%
rare earth elements
6%
sap flow
6%
sediments
6%
soil thermal properties
8%
stream flow
7%
surface temperature
5%
temperature profiles
5%
thawing
8%
topography
5%
Yellow River
13%