Earth and Planetary Sciences
Vegetation
100%
United States of America
73%
Climate Change
67%
Tree Ring
63%
United States
61%
Grassland
58%
Arizona
57%
Rangeland
33%
Soil Moisture
32%
Mexico
30%
Atmospherics
29%
North America
29%
Woody Plant
26%
Ecosystem Service
22%
Streamflow
22%
Land Use
21%
Tree rings
21%
Decision Making
21%
Climate Variation
21%
Remote Sensing
20%
Growing Season
20%
Evapotranspiration
19%
Time Series
19%
Land Surface
19%
Vegetation Index
17%
Land Cover
17%
MODIS
16%
Land Management
15%
Planetary Atmosphere
15%
Reflectance
15%
Water Availability
15%
Water Management
14%
Global Change
14%
California
14%
Snowpack
14%
Normalized Difference Vegetation Index
14%
Colorado
14%
Shrubland
14%
River Basin
13%
Hillslope
13%
Environmental Impact Assessment
13%
Emissions
12%
Vapor Pressure
12%
Geographic Information System
12%
Water Resource
12%
Geographic Information System
11%
Biome
11%
Water Supply
11%
Soil Carbon
10%
Soil Water
10%
New Mexico
10%
Semiarid Region
10%
Europe
10%
Soil Respiration
9%
Water Use
9%
Natural Resource
9%
Timescale
9%
Seasonality
9%
Eddy Covariance
9%
Soil Organic Carbon
9%
Photosynthesis
8%
Vegetation Dynamics
8%
Environmental Change
8%
Snow Water Equivalent
8%
Water Balance
8%
Leaf Area
8%
Landsat
8%
Surface Water
7%
Nevada
7%
Carbon Cycle
7%
Northern Hemisphere
7%
Climate Change Impact
7%
Spatial Variation
7%
Forest Ecosystem
7%
Net Primary Production
7%
Carbon Sequestration
7%
Vegetation Cover
7%
Adaptive Management
7%
Spatial Distribution
7%
Plant Community
7%
Air Temperature
6%
Vegetation Structure
6%
Dry Season
6%
Carbon Flux
6%
Optical Radar
6%
North Atlantic Oscillation
6%
Soil Erosion
6%
Land Use Change
6%
Soil Temperature
6%
Mountain Forest
6%
Understory
6%
Forest Management
6%
Flood
6%
Socioeconomics
6%
Ephemeral Stream
6%
Ecohydrology
6%
Climate Modeling
6%
Carbon Sink
6%
Water Stress
6%
Albedo
6%
Agricultural and Biological Sciences
Grassland
87%
Annuals
78%
Climate Change
62%
Americans
45%
Woody Plant
40%
Spring
35%
Pinus
34%
Soil Moisture
30%
Phenology
30%
Poaceae
28%
Perennials
27%
Tree Growth
27%
Rangeland
26%
Fire Regime
25%
Growing Season
23%
Farm Animal
21%
Red Squirrel
19%
Primary Productivity
18%
Photosystem
18%
Seeds
18%
Sciuridae
17%
Tree Mortality
16%
Mesquite
15%
Primary Production
15%
Case Study
14%
Decision Making
14%
Vapor Pressure
13%
Die-off
13%
Land Use
13%
Soil Water
13%
Fir
12%
Agricultural Science
12%
Land Management
12%
Soil Organic Carbon
12%
Shrubland
12%
Population Dynamics
12%
Plant Community
12%
Forest Ecosystem
12%
Latewood
11%
National Parks
11%
Understory
11%
Evapotranspiration
11%
Anthesis
11%
Elks
11%
Watersheds
11%
Sweating
11%
Global Change
11%
Remote Sensing
11%
Predation
11%
Soil Respiration
11%
Life History
10%
Quercus
10%
Normalized Difference Vegetation Index
10%
Europeans
10%
Vegetation Index
10%
Water Use Efficiency
10%
Aboveground Biomass
10%
Water Resources
10%
Soil Carbon
9%
Migratory Species
9%
Pinus edulis
9%
Fire Severity
9%
Leaf Area
9%
Hawk
9%
Carbon Sink
9%
Sciurus
9%
Subalpine Forest
8%
Land Cover
8%
Overstory
8%
Forest Management
8%
Water Stress
8%
Mexicans
8%
Evolution
8%
Prosopis velutina
8%
Prosopis glandulosa
8%
Eddy Covariance
8%
Cover Plant
8%
Eragrostis lehmanniana
8%
Pinus ponderosa
8%
National Forests
7%
Growth Rings
7%
Tamiasciurus hudsonicus
7%
Prosopis
7%
Water Management
7%
Lowlands
7%
Eastern Gray Squirrel
7%
Fire Scars
7%
Fire Suppression
7%
Natural Resources
7%
Reproductives
7%
Genetic Divergence
7%
Endangered Species
7%
Microclimate
7%
Vegetation Structure
6%
Palmer Drought Severity Index
6%
Carbon Cycle
6%
Vegetation Type
6%
Small Mammal
6%
Biological Sciences
6%
Water Supply
6%
Keyphrases
Arizona
35%
Drought
32%
Climate Change
21%
Tree Rings
18%
Grassland
17%
United States
13%
North America
12%
Ecosystem Services
11%
Mexico
11%
Climate Change Impacts
10%
Rangeland
10%
Tree Growth
10%
Sonoran Desert
9%
Woody Plants
9%
Drylands
9%
Phenology
9%
Soil Moisture
9%
Grass
9%
US-Mexico Border
8%
Semi-arid
8%
Normalized Difference Vegetation Index
8%
Water Management
7%
Woodland
7%
Wildfire
7%
Squirrel
7%
Fire Regime
7%
Southwestern United States
7%
Extreme Drought
6%
Vegetation Change
6%
Red Squirrel
6%
20th Century
6%
Net Primary Productivity
6%
Tree-ring Data
6%
Western United States
6%
Resilience
6%
Arid Ecosystems
6%
Streamflow
5%
Ecohydrology
5%
Moderate Resolution Imaging Spectroradiometer (MODIS)
5%
Soil Respiration
5%
Southern Arizona
5%
Evapotranspiration
5%
Shrubland
5%
Graham
5%