Earth & Environmental Sciences
snow
100%
meltwater
69%
snowpack
61%
isotope
55%
groundwater
52%
water
48%
isotopic composition
46%
water vapor
42%
ice
37%
Antarctica
37%
snowmelt
31%
underground storage
29%
melting
28%
cavern
27%
seasonal variation
27%
hydrograph
25%
tracer
24%
ice core
23%
liquid
22%
solute transport
22%
porewater
17%
humidity
17%
rain
17%
groundwater flow
17%
solute
16%
statistical analysis
16%
general circulation model
15%
isotopic fractionation
15%
mixing ratio
15%
seawater
14%
chemical composition
14%
exchange rate
13%
glacier
13%
ion
13%
plateau
12%
experiment
12%
surface water
12%
spectrometer
12%
chemical
12%
gas storage
11%
troposphere
11%
comparison
11%
analysis
11%
snow accumulation
11%
hydrogen
11%
helium isotope
11%
evaluation
11%
melt
11%
principal component analysis
11%
seasonality
11%
Agriculture & Biology
snow
37%
isotopes
33%
General Circulation Models
33%
groundwater
32%
hydrograph
31%
water vapor
28%
saltwater intrusion
26%
snowmelt
25%
snowpack
18%
ice
18%
water
17%
Antarctica
15%
groundwater flow
15%
isotope fractionation
14%
humidity
13%
troposphere
13%
seasonal variation
12%
rain
12%
stream flow
11%
tracer techniques
11%
stable isotopes
11%
water quantity
10%
subtropics
10%
South Korea
10%
helium
10%
cryogenics
10%
tropics
10%
tritium
9%
melting
9%
caves
8%
water quality
8%
Korean Peninsula
8%
mixing ratio
8%
sampling
8%
hydrogen
7%
seawater
7%
surface water
7%
summer
6%
nitrates
6%
lakes
6%
glaciers
6%
soil transport processes
6%
plateaus
5%
air
5%
climate change
5%
