Earth & Environmental Sciences
carbonate
100%
Miocene
72%
desert
62%
paleosol
61%
fossil
51%
stable isotope
51%
basin
47%
Holocene
46%
isotopic composition
42%
monsoon
42%
plateau
42%
lake
40%
soil
37%
Pleistocene
36%
carbon isotope
36%
midden
34%
lake level
33%
Neogene
33%
Pliocene
32%
isotope
29%
tooth
27%
carbon
27%
grass
26%
vegetation
26%
C4 plant
26%
stratigraphy
25%
valley
24%
cave
23%
groundwater
22%
rainfall
22%
thrust
22%
wetland
21%
dating
21%
shell
21%
summer
20%
enamel
20%
uplift
19%
geochronology
18%
foreland basin
18%
C3 plant
18%
history
17%
floodplain
17%
river
17%
climate change
17%
aridity
17%
lake basin
17%
paleoecology
17%
grassland
17%
rodent
17%
Oligocene
16%
Agriculture & Biology
fossils
26%
basins
20%
paleosolic soil types
20%
paleoecology
18%
carbonates
17%
stable isotopes
17%
caves
16%
deserts
16%
lakes
15%
Ethiopia
14%
Chile
13%
dry environmental conditions
12%
carbon isotopes
12%
vegetation
11%
strontium
11%
teeth
11%
grasses
10%
Turkey (country)
10%
carbon radioisotopes
10%
isotopes
10%
woodlands
9%
sediments
8%
basalt
8%
soil
8%
skeleton
8%
C3 plants
7%
South Australia
7%
carbon
7%
quaternary deposits
7%
Leporillus
7%
stratigraphy
7%
water table
6%
springs (water)
6%
climate change
6%
floodplains
6%
soil organic matter
6%
dust
6%
grasslands
6%
valleys
6%
Pakistan
6%
wetlands
6%
soil carbon
5%
oxygen isotopes
5%
radiocarbon dating
5%
climate
5%
shrubs
5%
fog (meteorology)
5%
dates (fruit)
5%
tooth enamel
5%
arid soils
5%
