Photo of Wolverine Glacier ice. Wolverine Glacier is in the Kenai Mountains on the coast of south-central Alaska. In 1966 scientists with the USGS began making direct measurements of surface mass balance at Wolverine Glacier, a "benchmark glacier" in Alaska.
Images
Explore images taken during Ecosystems' Land Change Science Program fieldwork and research.
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Wolverine Glacier Ice
Photo of Wolverine Glacier ice. Wolverine Glacier is in the Kenai Mountains on the coast of south-central Alaska. In 1966 scientists with the USGS began making direct measurements of surface mass balance at Wolverine Glacier, a "benchmark glacier" in Alaska.
A hand-dug snow pit on Sperry Glacier
From a hand-dug snow pit, a researcher samples cores of surface snow at Sperry Glacier to determine snow density, a measure needed to calculate glacier mass balance.
From a hand-dug snow pit, a researcher samples cores of surface snow at Sperry Glacier to determine snow density, a measure needed to calculate glacier mass balance.
Ashumet Pond, Cape Cod with sample grid markers
Sunset view looking northwest from Fishermans Cove, across Ashumet Pond, Cape Cod, Massachusetts. The small sticks and flags in the lake are a sampling grid.
Sunset view looking northwest from Fishermans Cove, across Ashumet Pond, Cape Cod, Massachusetts. The small sticks and flags in the lake are a sampling grid.
Scientists Collecting Permafrost Cores
USGS researchers Jack McFarland and Kristen Manies taking permafrost cores to study the carbon cycle in Interior Alaska.
USGS researchers Jack McFarland and Kristen Manies taking permafrost cores to study the carbon cycle in Interior Alaska.
Ashumet Pond, Cape Cod
View looking west from Fishermans Cove, across Ashumet Pond, Cape Cod, Massachusetts. The small sticks in the lake are a small-scale sampling grid.
View looking west from Fishermans Cove, across Ashumet Pond, Cape Cod, Massachusetts. The small sticks in the lake are a small-scale sampling grid.
US Coast Guard Cutter Healy
One mission of the USCGC Healy is to conduct scientific research in the Arctic Ocean including cruises to recover sediment records of climate and ocean change.
One mission of the USCGC Healy is to conduct scientific research in the Arctic Ocean including cruises to recover sediment records of climate and ocean change.
USGS Field Crew at Mattole Soil Chronosequence
USGS field crew taking a break in digging soil pits Mattole soil chronosequence.
USGS field crew taking a break in digging soil pits Mattole soil chronosequence.
Deployment of a Gravity Corer
Deployment of a gravity corer aboard USCGC Healy during an expedition to the Chukchi Sea.
Deployment of a gravity corer aboard USCGC Healy during an expedition to the Chukchi Sea.
Western White Pine
A western white pine (Pinus monticola) in Kings Canyon National Park, Calif., towers over USGS ecologist Nathan Stephenson.
A western white pine (Pinus monticola) in Kings Canyon National Park, Calif., towers over USGS ecologist Nathan Stephenson.
Eddy covariance tower
USGS scientists and cooperators service an eddy covariance (EC) station located in a tidal freshwater marsh at Salvador Wildlife Management Area, Louisiana, USA.
USGS scientists and cooperators service an eddy covariance (EC) station located in a tidal freshwater marsh at Salvador Wildlife Management Area, Louisiana, USA.
Canyonlands National Park
Aerial view of the study area in Canyonlands National Park.
Aerial view of the study area in Canyonlands National Park.
Marine Terraces near Santa Cruz, CA
Marine terraces North of Santa Cruz, California. For information on terrace formation https://pubs.er.usgs.gov/publication/fs20183002
Marine terraces North of Santa Cruz, California. For information on terrace formation https://pubs.er.usgs.gov/publication/fs20183002
St. John River at Ft. Kent, Maine Flood 2008
Understanding the forces that influence major floods can help inform the design of more resilient infrastructure. Image shows a major flood on the St. John River on the border of Maine, United States and New Brunswick, Canada, April 29, 2008. This site was part of the study. USGS Public Domain.
Understanding the forces that influence major floods can help inform the design of more resilient infrastructure. Image shows a major flood on the St. John River on the border of Maine, United States and New Brunswick, Canada, April 29, 2008. This site was part of the study. USGS Public Domain.
Ducktrap River, Maine in April 2005
Streamflow in the Ducktrap River, coastal Maine, showing typical spring high flow in April 2005.
Streamflow in the Ducktrap River, coastal Maine, showing typical spring high flow in April 2005.
Ducktrap River, Maine in March 2005
Streamflow in the Ducktrap River, coastal Maine, showing typical winter low flow, March 2005.
Streamflow in the Ducktrap River, coastal Maine, showing typical winter low flow, March 2005.
Dr. Glenn Guntenspergen measuring marsh surface elevation
Dr. Glenn Guntenspergen measuring marsh surface elevationMeasuring marsh surface elevation to determine if marshes are keeping up with sea level rise
Dr. Glenn Guntenspergen measuring marsh surface elevation
Dr. Glenn Guntenspergen measuring marsh surface elevationMeasuring marsh surface elevation to determine if marshes are keeping up with sea level rise
Repeat oblique photographs of Gulkana glaciers in Alaska.
Repeat oblique photographs of Gulkana glaciers in Alaska.Repeat oblique photographs of Gulkana glaciers in Alaska. 1967, Unknown USGS photographer. 2016, L. Sass, USGS.
Repeat oblique photographs of Gulkana glaciers in Alaska.
Repeat oblique photographs of Gulkana glaciers in Alaska.Repeat oblique photographs of Gulkana glaciers in Alaska. 1967, Unknown USGS photographer. 2016, L. Sass, USGS.
Repeat oblique photographs of Wolverine glacier in Alaska.
Repeat oblique photographs of Wolverine glacier in Alaska.Repeat oblique photographs of Wolverine glacier in Alaska. 1966 image by unknown USGS photographer; 2015 image by L. Sass, USGS.
Repeat oblique photographs of Wolverine glacier in Alaska.
Repeat oblique photographs of Wolverine glacier in Alaska.Repeat oblique photographs of Wolverine glacier in Alaska. 1966 image by unknown USGS photographer; 2015 image by L. Sass, USGS.
2006 South Cascade Glacier
2006 oblique-angle aerial photo of South Cascade Glacier, northwestern Washington State, looking approximately south-southeast.
2006 oblique-angle aerial photo of South Cascade Glacier, northwestern Washington State, looking approximately south-southeast.