Earth and Planetary Sciences
Permian
100%
Mass Extinction
76%
Carbon 14
75%
Carbon Dioxide
70%
Eocene
62%
China
58%
Carbon Dioxide Emission
45%
Atmospherics
42%
Paleocene
41%
Carbon Cycle
37%
Global Warming
34%
Organic Matter
26%
Tethys
23%
Volcanism
20%
Permian-Triassic Boundary
20%
Global Carbon Cycle
16%
Paleoenvironment
15%
Paleogene
15%
Uranium Isotope
15%
Ocean Acidification
13%
Atmosphere-Ocean System
12%
Climate Modeling
12%
Organic Carbon
12%
Sea Surface Temperature
12%
C3 Plant
11%
Methane
11%
Large Igneous Province
11%
Early Devonian
11%
Nannoplankton
11%
Nannofossil
9%
Paleoclimate
9%
Early Triassic
9%
Emissions
8%
Shallow Water
8%
Paleosol
8%
Chemical Weathering
8%
Conodont
8%
Guadalupian
8%
Late Devonian
7%
Environmental Change
7%
Fractionation
7%
Sichuan Basin
7%
Redox Condition
7%
Climate Change
7%
Greenhouse Gas
6%
Diagenesis
6%
Tectonics
6%
Global Ocean
6%
Devonian
6%
n-Alkane
6%
Keyphrases
End-Permian Mass Extinction
73%
Paleocene-Eocene Thermal Maximum
41%
Partial Pressure of CO2 (pCO2)
39%
Carbon Isotope Excursion
35%
Atmospheric CO2
32%
238U
30%
South China
25%
Stable Carbon Isotopes
25%
Permian-Triassic Boundary
23%
Global Warming
22%
Carbon Cycle Perturbation
20%
Marine Anoxia
20%
Mass Extinction
19%
Carbon Cycle
18%
Seawater
18%
Siberian Traps
18%
Volcanism
18%
Thermal Maximum
17%
Early Eocene
16%
Uranium Isotopes
16%
Carbon Emissions
16%
Ocean Acidification
16%
China
16%
Ppmv
15%
Carbon Emission Rate
15%
Carbon Isotope Record
15%
Extinction Events
15%
Earth System Model
15%
Hyperthermal
15%
Eocene Hyperthermals
14%
Global Carbon Cycle
14%
Carbonate
14%
Marine Carbonate
14%
Early Paleogene
13%
Carbon Isotopes
13%
Anoxia
13%
Global Warming Events
12%
CO2 Sources
12%
Earth System
11%
Seaway
11%
C3 Plants
11%
Calcareous Nannoplankton
11%
Eastern Tethys
11%
Early Devonian
11%
Smithian-Spathian Boundary
11%
Ocean-atmosphere System
10%
Fossil Plants
10%
Permian-Triassic
10%
Organic Matter
10%
Tarim Basin
10%