Earth & Environmental Sciences
permafrost
100%
active layer
91%
groundwater flow
48%
thawing
47%
grain size
40%
organic carbon
39%
heat capacity
31%
thickening
29%
thermal conductivity
28%
aquifer
25%
temperature
22%
soil
21%
warming
21%
groundwater
20%
air temperature
13%
groundwater abstraction
11%
organic matter
11%
aquitard
11%
confined aquifer
10%
hydraulic head
10%
monitoring
9%
downwelling
9%
sedimentary basin
8%
soil temperature
8%
plateau
7%
heat transfer
7%
porosity
7%
forecast
7%
surface temperature
6%
borehole
6%
parameter
6%
rate
6%
timescale
6%
disturbance
5%
atmosphere
5%
Agriculture & Biology
soil thermal properties
93%
permafrost
77%
organic carbon
55%
thawing
34%
thermal properties
33%
thermal conductivity
19%
soil organic matter
16%
air temperature
15%
heat
9%
heat transfer
9%
soil temperature
8%
greenhouses
6%
summer
5%
Physics & Astronomy
permafrost
85%
thermodynamic properties
41%
optimization
33%
forecasting
11%
plateaus
9%
time lag
8%
thermal conductivity
7%
specific heat
7%
melting
7%
porosity
7%
heating
6%