Earth and Planetary Sciences
Carbon Dioxide
100%
Atmospherics
71%
Pliocene
48%
Emissions
42%
Vegetation
36%
Carbon Sink
34%
United States
32%
Carbon Budget
21%
Climate Change
19%
Isotopic Composition
18%
Terrestrial Ecosystem
17%
Zooplankton
17%
Tropical Forest
16%
Land Surface Temperature
16%
Peatland
16%
United States of America
16%
Soil Moisture
16%
Photosynthesis
15%
Vapor Pressure
15%
Primary Production
15%
Wyoming
14%
Diatom
13%
Global Carbon Cycle
12%
Air Temperature
12%
Phytoplankton
11%
Biome
11%
Water Stress
11%
Methane
11%
Boreal Forest
10%
Arctic Ocean
10%
Fossil Fuel
10%
Surface Water
9%
Carbon 14
9%
Evapotranspiration
9%
Carbon Cycle
9%
Humidity
9%
Relative Humidity
9%
Atmospheric Deposition
9%
Accumulation Rate
9%
Carbon Dioxide Emission
9%
Hiatus
8%
Lacustrine Deposit
8%
Water Table
8%
Northern Hemisphere
8%
Global Warming
8%
Forest Fire
8%
Stable Isotope
8%
Land Use
8%
Land Use Change
8%
Water Use Efficiency
8%
Agricultural and Biological Sciences
Annuals
35%
Primary Productivity
20%
Pinus
16%
Canadians
16%
Boreal Forest
15%
Temperate Forest
14%
Photosystem
13%
Growing Season
11%
Mountain Pine Beetle
10%
Spring
10%
Permafrost
8%
Soil Respiration
8%
Americans
8%
Fatty Acids
8%
Soil Moisture
7%
Carbon Cycle
7%
Carbon Sink
7%
Terrestrial Ecosystem
7%
Zooplankton
7%
Forest Fire
6%
Ecosystem Respiration
6%
Bark Beetle
6%
Evapotranspiration
5%
Daphnia
5%
Pinus contorta
5%
National Forests
5%
Water Use Efficiency
5%
Growth Rings
5%
Subalpine Forest
5%
Woody Plant
5%
Water Table
5%
Highly Unsaturated Fatty Acids
5%
Oncorhynchus nerka
5%
Landsat
5%
Chlorophyta
5%
Soil Temperature
5%
Larix
5%
Understory
5%
Cold Season
5%
Peatlands
5%
Bioenergy
5%
Diatom
5%
Forest Dynamics
5%
Islands
5%
