Earth and Planetary Sciences
Accretionary Prism
11%
Accumulation Rate
10%
Alaska
82%
Amino Acid
41%
Andes
14%
Arizona
85%
Atmospherics
16%
Basalt
20%
Basin Evolution
10%
British Columbia
11%
California
61%
Canada
20%
Carbon Cycle
12%
Carbon Sink
9%
Climate Change
52%
Climate Variation
16%
Colombia
11%
Colorado
46%
Death Assemblage
10%
Devonian
12%
Diatom
11%
Early Holocene
11%
Emissions
14%
Environmental Change
22%
Eocene
30%
Exhumation
18%
Fault Zone
11%
Fossil
24%
Geochronology
30%
Geology
8%
Grain Size
9%
Holocene
99%
Ice Sheet
8%
Idaho
12%
Igneous Rock
18%
Isotopic Composition
9%
Lacustrine Deposit
28%
Lake Level
13%
Land Use
9%
Late Cretaceous
12%
Late Pleistocene
22%
Lava Flow
9%
Lithosphere
22%
Little Ice Age
13%
Lower California (Mexico)
15%
Magma
38%
Magmatism
20%
Marine Isotope Stage
10%
Mexico
25%
Miocene
31%
National Parks
23%
Net Ecosystem Exchange
9%
Nevada
51%
North America
44%
Northern Hemisphere
10%
Oligocene
13%
Organic Matter
10%
Orogeny
9%
Ostracod
9%
Oxygen 18
16%
Paleoclimate
25%
Paleogene
10%
Permian
9%
Petrography
9%
Planetary Atmosphere
15%
Plate Boundary
10%
Pleistocene
26%
Pliocene
21%
Postglacial
10%
Protected Area
12%
Racemization
28%
Rhyolite
12%
Rifting
13%
Sea Level
13%
Sediment Core
19%
Sedimentary Rock
11%
Shear Zone
12%
Spain
12%
Stratigraphy
28%
Strike-Slip Fault
14%
Subduction Zone
10%
Subsidence
13%
Tectonics
53%
Tephra
18%
Terrane
25%
Terrestrial Ecosystem
10%
Tibetan Plateau
9%
Trench
13%
Trough
11%
United States
38%
United States of America
100%
Upper Mantle
9%
Utah
19%
Vegetation
56%
Volcanic Rock
11%
Volcanism
23%
Wisconsin
13%
Wyoming
16%
Younger Dryas
14%
Zircon
44%
Keyphrases
20th Century
14%
Aging Model
11%
Alaska
64%
Amino Acid Racemization
28%
Amino Acids
15%
Arbuscular Mycorrhizal Fungal
13%
Arbuscular Mycorrhizal Fungi
27%
Arizona
66%
Basalt
11%
British Columbia
11%
California USA
17%
Canada
14%
Canyon
18%
Carbonate
18%
Central Arizona
11%
Charcoal
11%
Climate Change
36%
Colombia
10%
Colorado
13%
Colorado Plateau
24%
Creek
15%
Death Assemblages
9%
Detrital Zircon
13%
Drought
18%
Early Holocene
21%
Earthquake
9%
Eastern Cordillera
9%
Environmental Change
16%
Fire History
10%
Forest Restoration
9%
Geochronology
10%
Glacier
22%
Grand Canyon
16%
Grassland
12%
Gulf of California
12%
Heterostraci
13%
High Elevation
16%
High-resolution
13%
Idaho
11%
Ignimbrite
13%
Lake Mead
13%
Lake Sediments
14%
Late Cretaceous
10%
Late Glacial
9%
Late Holocene
32%
Late Pleistocene
19%
Lava
9%
Little Ice Age
11%
Lower Devonian
10%
Magma
23%
Magmatism
11%
Mexico
24%
Millennial-scale
11%
Moraines
10%
Mycorrhiza
16%
Mycorrhizal
13%
Mycorrhizal Fungi
12%
Net Primary Productivity
13%
Nevada
20%
Normal Fault
11%
North America
41%
Northern Arizona
25%
Oxygen Isotopes
10%
Paleoclimate
12%
Plant Species
9%
Pollen Record
10%
Ponderosa pine Forest
10%
Ponds
9%
Postglacial
9%
Protected Areas
9%
Rift
14%
Sandstone
12%
Sediment Core
16%
Sedimentary Record
16%
Sedimentary Rocks
10%
Sierra Nevada
25%
Southern California
10%
Southwestern United States
15%
Stratigraphy
22%
Strike-slip Fault
15%
Tectonic Evolution
9%
Tectonics
13%
Tephra
14%
Terranes
18%
Terrestrial Biosphere Model
15%
Time Averaging
13%
United States
12%
Utah
23%
Vegetation Change
15%
Volcanic
13%
Volcanic Rocks
10%
Volcanism
14%
Volcano
14%
Western North America
10%
Western United States
11%
Wetlands
11%
Wisconsin
11%
Wyoming
13%
Younger Dryas
11%
Zircon
20%