Agriculture & Biology
dendrochronology
79%
El Nino
74%
Mexico
43%
growth rings
41%
Southeastern United States
40%
climate
28%
District of Columbia
25%
earlywood
24%
latewood
24%
Guatemala
22%
swamps
20%
sea level
19%
tree growth
19%
anthropogenic activities
18%
estuaries
18%
wetlands
17%
growing season
14%
drought
13%
summer
11%
Arts & Humanities
Tree-ring Analysis
100%
Chronology
73%
Wood
48%
El Niño-Southern Oscillation
30%
Southeastern United States
22%
Mexico
19%
Climate Reconstruction
16%
Ring Width
14%
Sea-level Rise
12%
Tree Rings
11%
Holocene
10%
El Niño
10%
Guatemala
10%
Wetlands
10%
Pleistocene
10%
Estuary
10%
Moisture
9%
Drought
9%
Washington, D.C.
8%
Southeast
7%
Transgression
7%
Spring
7%
Summer
7%
Climate
6%
Earth & Environmental Sciences
tree ring
57%
chronology
48%
El Nino-Southern Oscillation
14%
analysis
14%
swamp
8%
interglacial
7%
transgression
7%
El Nino
7%
sea level rise
7%
growing season
6%
drought
6%
wetland
5%
warming
5%
estuary
5%
Holocene
5%
Pleistocene
5%
moisture
5%
summer
4%
Social Sciences
Mexico
42%
climate
27%
wetland
23%
drought
21%
floating
21%
Guatemala
20%
reconstruction
15%
event
10%
evidence
7%