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Earth and Planetary Sciences
United States of America
100%
Climate Change
64%
Carbon Dioxide
60%
Arizona
52%
Alaska
40%
Holocene
38%
North America
29%
Nitrogen
29%
Atmospherics
28%
Grassland
24%
Protective Atmosphere
23%
Colorado
22%
Terrestrial Ecosystem
21%
Tectonics
20%
California
20%
Albedo
19%
Nevada
18%
Methane
18%
Zirconium
17%
Dryland
17%
Soil Carbon
17%
Canada
15%
Carbon Cycle
15%
Magma
15%
Glaciers
14%
Amino Acid
14%
Environmental Change
13%
Remote Sensing
13%
Mexico
13%
Transportation
13%
Land Use
13%
Biome
13%
Carbon Dioxide Emission
13%
Global Change
13%
Pollen
12%
Carbon Sequestration
12%
Time Series
12%
Ecology
11%
Eocene
11%
Asteroid
11%
Biological Soil Crust
11%
National Parks
11%
Geochronology
11%
Greenhouse Gas
11%
Lacustrine Deposit
11%
Stratigraphy
11%
Land Surface
11%
Soil Organic Carbon
11%
Miocene
11%
Species Richness
10%
Peninsula
10%
Soil Moisture
10%
Racemization
10%
Ecosystem Function
10%
Sandstone
10%
Climate Variation
10%
Eddy Covariance
9%
Volcanism
9%
Boreal Forest
9%
Evapotranspiration
9%
Paleoclimate
9%
Organic Carbon
9%
Ecosystem Service
9%
Plant Specie
9%
Optical Radar
9%
Trans-Neptunian Object
9%
Continent
9%
Lithosphere
9%
Regolith
9%
Earth System Model
9%
Terrane
9%
Utah
8%
British Columbia
8%
Aridity
8%
Plant Community
8%
Hydrology
8%
Stable Isotope
8%
Volcano
8%
Earthquake
8%
Sediment Core
8%
Landscape
8%
Pleistocene
8%
New Mexico
8%
Solar System
8%
Pliocene
8%
Organic Matter
8%
Northern Hemisphere
8%
Late Pleistocene
8%
Absorption
8%
Carbon Flux
8%
Magmatism
7%
China
7%
Growing Season
7%
Leaf Area
7%
Accumulation Rate
7%
Ecosystem Response
7%
Tropical Forest
7%
Air Temperature
7%
Exhumation
7%
Net Ecosystem Exchange
7%
Keyphrases
Arizona
41%
Climate Change
28%
Northern Arizona
26%
Ponderosa pine
23%
United States
21%
Wildfire
17%
Drought
17%
North America
16%
Ponderosa pine Forest
15%
Asteroids
14%
Alaska
14%
Elevated CO2
13%
Mars
13%
Southwestern United States
13%
Genotype
11%
Meta-analysis
11%
Climate Warming
10%
Dwarf Mistletoe
10%
Fungi
9%
Ecosystem Function
9%
Mexico
9%
Pinus Ponderosa
9%
Tree Species
9%
Burkholderia Pseudomallei
9%
Bacillus Anthracis
8%
Microbial Community
8%
Soil Moisture
8%
Forest Structure
8%
Resilience
8%
Open Source Software Projects
7%
Grassland
7%
Boreal Forest
7%
Belize
7%
COVID-19
7%
Spitzer
7%
Pinyon
7%
Climate Change Impacts
7%
Phenology
7%
Fire Regime
7%
Albedo
7%
New Mexico
7%
Herbivore
7%
Pinus Edulis
6%
Older Adults
6%
High Elevation
6%
Carbon C
6%
Coccidioides
6%
Species Richness
6%
Plant Species
6%
Mannan-oligosaccharides
6%
Soil Microbial Community
6%
Aspen
6%
Adaptation
6%
Francisella Tularensis
6%
Vertebrates
6%
Permafrost
6%
Biological Soil Crusts
6%
Biocrusts
6%
Tundra
6%
Dust
6%
Canada
6%
Single nucleotide Polymorphism
5%
Drylands
5%
Broad-leaved Forest
5%
Colorado
5%
Restoration Treatments
5%
Western United States
5%
Genetic Diversity
5%
Educators
5%
Permafrost Thaw
5%
Forest Ecosystem
5%
Cottonwood
5%
Utah
5%
Community Composition
5%
Basal Area
5%
Navajo
5%
Solar System
5%
Extreme Drought
5%
Anthracis
5%
Photosynthesis
5%
Physical Unclonable Function
5%
Oregon
5%
Terrestrial Ecosystems
5%
Arceuthobium
5%
Applied Linguistics
5%
Titin
5%
Genetic Variation
5%
Soil Organic Carbon
5%
Plant Growth
5%
Near-Earth Asteroids
5%
Elevational Gradient
5%
Navajo Nation
5%
Happiness
5%
Trans-neptunian Objects
5%
Growth Rate
5%
Confidence Interval
5%
Tree Density
5%
Southwestern USA
5%
Soil Carbon
5%
Convection
5%