Earth and Planetary Sciences
Carbon Dioxide
100%
Vegetation
55%
Emissions
40%
Terrestrial Ecosystem
32%
Chlorophyll
31%
Climate Change
27%
United States of America
27%
Atmospherics
26%
Photosynthesis
25%
Tropical Forest
24%
Soil Carbon
23%
Primary Production
20%
Carbon Cycle
19%
Soil Organic Carbon
19%
Peatland
18%
Biome
18%
Earth System Model
18%
Soil Moisture
17%
Net Ecosystem Exchange
16%
Remote Sensing
16%
Temperate Forest
15%
Carbon Budget
15%
United States
14%
Carbon Flux
14%
Eddy Covariance
14%
Soil Water
14%
Land Use
13%
Land Surface
13%
Evapotranspiration
13%
Methane
12%
Deciduous Forest
12%
Soil Respiration
11%
China
11%
Global Change
10%
Fine Root
9%
Grassland
9%
Seasonality
9%
Growing Season
9%
Carbon Dioxide Emission
9%
Leaf Area
9%
MODIS
9%
Missouri
9%
Amazon
9%
Rhizosphere
9%
Reflectance
8%
Global Carbon Cycle
8%
Organic Carbon
8%
Moisture Content
8%
Optical Radar
8%
Carbon Sequestration
7%
Flux Measurement
7%
Aboveground Biomass
7%
Dissolved Organic Carbon
7%
Annual Variation
7%
Water Use
7%
Land Use Change
6%
Marshland
6%
Land Cover Change
6%
Vegetation Dynamics
6%
Plant Physiology
6%
Vegetation Index
6%
Biogeochemistry
6%
Ecosystem Function
6%
Information Retrieval
6%
Neutron Radiography
6%
Water Flux
6%
Deforestation
6%
North America
6%
Environmental Change
5%
Soil Temperature
5%
Dormancy
5%
Forest Ecosystem
5%
Ecosystem Structure
5%
Albedo
5%
Carboxylation
5%
Vapor Pressure
5%
Nitrous Oxide
5%
Ice Storm
5%
Ecosystem Service
5%
Biogeography
5%
Synthetic Aperture Radar
5%
Soil Profile
5%
Puerto Rico
5%
Water Stress
5%
Time Series
5%
Nitrous Oxide
5%
Agricultural and Biological Sciences
Photosystem
48%
Tropical Forest
39%
Climate Change
28%
Primary Production
24%
Quercus
23%
Terrestrial Ecosystem
22%
Chlorophyll Fluorescence
22%
Soil Organic Carbon
21%
Soil Carbon
21%
Soil Respiration
21%
Temperate Forest
21%
Grassland
19%
Soil Moisture
18%
Primary Productivity
17%
Sweating
17%
Carbon Sink
15%
Microorganism
15%
Carbon Cycle
15%
Peatlands
15%
Soil Water
15%
Fine Root
14%
Phenology
13%
Forest Ecosystem
13%
Temperate Deciduous Forest
12%
Deciduous
12%
Pinus
12%
Photosynthetic Capacity
12%
Spring
12%
Growing Season
12%
Acclimation
11%
Net Ecosystem Exchange
11%
Plant Functional Type
11%
Soil Temperature
11%
Carboxylation
11%
Carbon Flux
10%
Eddy Covariance
10%
Plantation
10%
Mesophyll
10%
Global Change
10%
Branches
9%
Marshland
9%
Sphagnum
9%
Sap Flow
9%
Water Stress
8%
Forest Canopy
8%
Gas Exchange
8%
Xylem
8%
Ultisol
8%
Stomatal Conductance
8%
Ecosystem Respiration
8%
Vapor Pressure
7%
Forest Soil
7%
Remote Sensing
7%
Microbial Community
7%
Ecosystem Model
7%
Rhizosphere
7%
Liquidambar Styraciflua
7%
Picea mariana
7%
Phloem
7%
Leaf Area Index
6%
Soil Profile
6%
Photosystem II
6%
Mycorrhiza
6%
Sap
6%
Water Uptake
6%
Biodiversity
6%
Aboveground Biomass
6%
Deciduous Forest
6%
Meta-Analysis
6%
Environmental Factor
6%
Nutrient Availability
6%
Biogeography
6%
Plant Physiology
6%
Evapotranspiration
6%
Tree Mortality
5%
Methane
5%
Angiosperm
5%
Microbial Biomass
5%
Cropland
5%
Topsoil
5%
Root System
5%
Mollisol
5%
Populus
5%
Panicum virgatum
5%
Soil Organic Matter
5%
Plant Community
5%
Leaf Water Potential
5%
Understory
5%
Irrigation
5%