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The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.
Yellowstone Monthly Updates
Yellowstone Monthly Updates
Learn about interesting stories of Yellowstone, and the past month's volcanic activity from Mike Poland, Scientist-in-Charge at the Yellowstone Volcano Observatory (YVO).
Sounds of Yellowstone
Sounds of Yellowstone
The USGS Sounds of Yellowstone series lets you listen to the natural sounds of geysers, hot springs, and mudpots found through Yellowstone National Park in Wyoming, USA.
Image of the Week
Image of the Week
A weekly series from the USGS Earth Resources Observation and Science (EROS) Center highlighting satellite image(s) featuring striking changes to the Earth's surface.
Filter Total Items: 2780
2010 IMTA US Topo (part 1)
2010 IMTA US Topo (part 3)
2010 IMTA USGS Historical (part 1)
2010 IMTA USGS Historical (part 2)
2010 IMTA USGS Topo and Historical (Q&A)
2010 IMTA: Bureau of Land Management
2010 IMTA: Federal Emergency Management Agency
2010 IMTA: National Oceanic and Atmospheric Administration
2010 IMTA: Panel Introductions
2010 IMTA: Question and Answer Session
2010 IMTA: U.S. Forest Service
2010 IMTA: U.S. Geological Survey
Grand Falls
Flooding taking place at Grand falls.
Flooding taking place at Grand falls.
H2 East Transect – 2010
Permanent Site: H2 East Transect; Depth: 8.0 Meters (26.3 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder.
Permanent Site: H2 East Transect; Depth: 8.0 Meters (26.3 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder.
H2 West Transect – 2010
Permanent Site: H2 West Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional small boulder.
Permanent Site: H2 West Transect; Depth: 7.7 Meters (25.1 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional small boulder.
Sea-Level Rise, Subsidence, and Wetland Loss
This video describes causes of wetland loss in the Mississippi River Delta.
By
This video describes causes of wetland loss in the Mississippi River Delta.
By
A1 West Transect – 2010
Permanent Site: A1 West Transect; Depth: 8.4 Meters (27.4 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.13870775, -123.586203; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with patches of boulders.
Permanent Site: A1 West Transect; Depth: 8.4 Meters (27.4 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.13870775, -123.586203; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with patches of boulders.
A2 East Transect – 2010
Permanent Site: A2 East Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Annual species of seaweeds are present but not abundant.
Permanent Site: A2 East Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Annual species of seaweeds are present but not abundant.
A2 West Transect – 2010
Permanent Site: A2 West Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14130295, -123.5883331; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud with scattered boulders.
Permanent Site: A2 West Transect; Depth: 12.6 Meters (Feet 41.3); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14130295, -123.5883331; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud with scattered boulders.
H1 East Transect – 2010
Permanent Site: H1 East Transect; Depth: 5.2 Meters (Feet 17.0); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.
Permanent Site: H1 East Transect; Depth: 5.2 Meters (Feet 17.0); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.
H1 West Transect – 2010
Permanent Site: H1 West Transect; Depth: 5.0 Meters (Feet 16.4); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14803012,-123.53535558; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.
Permanent Site: H1 West Transect; Depth: 5.0 Meters (Feet 16.4); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 year pre-dam removal; Lat/Long: 48.14803012,-123.53535558; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.