Earth and Planetary Sciences
Atmospherics
100%
Carbon 14
86%
Permian
77%
Mass Extinction
73%
Eocene
73%
Paleocene
67%
Phanerozoic
41%
Planetary Atmosphere
32%
Organic Matter
31%
Geochemistry
29%
Carbon Cycle
26%
Climate Change
26%
Sulfide
25%
China
25%
Surface Water
22%
Florida
21%
Organic Carbon
21%
Volcanism
19%
Carbon Dioxide Emission
19%
Permian-Triassic Boundary
18%
Sulfur Isotopes
18%
Early Triassic
18%
Calcite
18%
Global Carbon Cycle
18%
United States of America
17%
Global Warming
17%
Bottom Water
17%
Sea Level
16%
Ocean Acidification
16%
Water Column
16%
Paleoclimate
15%
Geochemical Cycle
15%
Petrography
14%
Nannoplankton
14%
Chemical Weathering
13%
Ocean Surface
13%
Late Ordovician
13%
Precambrian
12%
Deep Water
12%
Hydrothermal System
12%
Isotopic Composition
12%
Climate Modeling
12%
Photic Zone
12%
Weathering Rate
11%
Terrestrial Ecosystem
11%
Turonian
11%
Earth System Model
11%
Earth Surface
10%
Keyphrases
Paleocene-Eocene Thermal Maximum
54%
End-Permian Mass Extinction
52%
Atmospheric CO2
42%
Mass Extinction
37%
Phanerozoic
34%
Carbon Isotopes
34%
Carbonate
33%
Anoxia
31%
Water Column
25%
Earth History
23%
Surface Water
23%
Atmospheric Oxygen
21%
Partial Pressure of CO2 (pCO2)
21%
Euxinic
21%
Isotopic Evidence
20%
Florida Keys
20%
Chemocline
20%
Carbon Isotope Excursion
19%
Global Warming
19%
Global Carbon Cycle
19%
Organic Carbon
18%
Archean
18%
Sulfur Isotopes
18%
End-Permian
18%
Ocean Acidification
18%
Seawater
18%
Carbon Isotope Record
17%
Organic Carbon Burial
17%
Earth System Model
17%
Earth System
17%
Lithology
16%
Geochemical Evidence
16%
Climate Change
16%
Carbon Cycle
16%
Paleoclimate
16%
Carbon Release
16%
Glaciation
15%
Carbon Dioxide
15%
Isotope Records
15%
Euxinia
15%
Permian-Triassic Boundary
15%
South China
15%
Early Eocene
14%
Bottom Water
13%
Paleoproterozoic
13%
Great Oxidation Event
13%
Thermal Maximum
13%
Phosphate
13%
Late Ordovician
13%
Oxygen Level
13%