Earth & Environmental Sciences
tree ring
100%
oxygen isotope
64%
climate
40%
stable isotope
38%
forest dynamics
37%
hydrological cycle
37%
carbon cycle
29%
rainfall
28%
dry season
27%
rainout
23%
chronology
20%
basin
18%
climate change
17%
sea surface temperature
14%
evapotranspiration
13%
oscillation
11%
tropical forest
11%
annual variation
10%
drying
9%
trend
9%
warm pool
9%
xylem
9%
timescale
8%
oxygen isotope ratio
7%
temperature anomaly
7%
cellulose
7%
North Atlantic Ocean
6%
drought
5%
calcium
5%
sulfur
5%
floodplain
5%
analysis
5%
calibration
5%
Agriculture & Biology
lianas
39%
tropical forests
31%
xylem
28%
carbohydrates
20%
stems
18%
starch
5%
Medicine & Life Sciences
Xylem
52%
Forests
35%
Carbohydrates
26%
Starch
7%
Carbon
6%
Sugars
6%