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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.
U.S. Coast Guard Cutter Healy
This is a view from the back of the U.S. Coast Guard Cutter Healy as it heads north in the Arctic Ocean.
Pilot Discussing Canadian Helicopter Operations
A Canadian helicopter pilot is discussing the helicopter's operations to U.S. Coast Guard members. The helicopter flew from the Canadian Coast Guard Ship Louis S. St. Laurent to the U.S. Coast Guard Cutter Healy. This is in the Arctic Ocean during a scientific expedition to map the seafloor.
Canadian Helicopter Flying Over Arctic Ocean
A Canadian helicopter is flying over the Arctic Ocean during a trip from the Canadian Coast Guard ship Louis S. St. Laurent to U.S. Coast Guard Cutter Healy.
Canadian Helicopter Flying Over Arctic Ocean
A Canadian helicopter is flying over the Arctic Ocean during a trip from the Canadian Coast Guard ship Louis S. St. Laurent to U.S. Coast Guard Cutter Healy.
Canadian Helicopter on U.S. Coast Guard Cutter Healy
U.S. Coast Guard members waiting to greet visitors from the Candian Coast Guard ship Louis S. St. Laurent. The helicopter is on U.S. Coast Guard Cutter Healy in the Arctic Ocean.
Canadian Helicopter on U.S. Coast Guard Cutter Healy
A Canadian helicopter on U.S. Coast Guard Cutter Healy after flying from the Canadian Coast Guard ship Louis S. St. Laurent in the Arctic Ocean.
Conductivity Depth Profiler (CTD)
A member of the U.S. Coast Guard helps guide the deployment of the Conductivity Temperature Depth Profiler (CTD) in the Arctic Ocean.
Conductivity Depth Profiler
A member of the U.S. Coast Guard is preparing the Conductivity Temperature Depth Profiler (CTD) to be deployed in the Arctic Ocean to collect data.
Conductivity Temperature Depth Profiler (CTD)
These are the lids both on top and below the water bottles on the Conductivity Temperature Depth Profiler (CTD). When the CTD is placed in the ocean and reaches a desired depth, an electronic signal is sent from the ship that closes the bottles and a water sample is collected.
Water Samples from Conductivity Temperature Depth Profiler (CTD)
Robert Sanders, with Temple University, is collecting water samples from the CTD. Both Robert and Rebecca Gast, with Woods Hole Oceanographic Institution, were using the samples to study microorganisms in the Arctic Ocean.
Conductivity Temperature Depth Profiler (CTD) in Arctic Ocean
The Conductivity Temperature Depth Profiler (CTD) is being lowered in the Arctic Ocean to collect water samples and measure conductivity and temperature as a function of water depth.
Conductivity Temperature Depth Profiler (CTD) in Arctic Ocean
The Conductivity Temperature Depth Profiler (CTD) is being lowered in the Arctic Ocean to collect water samples and measure conductivity and temperature as a function of water depth.
Conductivity Temperature Depth Profiler (CTD) in Arctic Ocean
The Conductivity Temperature Depth Profiler (CTD) is being lowered in the Arctic Ocean to collect water samples and measure conductivity and temperature as a function of water depth.
Conductivity Temperature Depth Profiler (CTD)
U.S. Coast Guard member is preparing the Conductivity Temperature Depth Profiler (CTD) for deployment in the Arctic Ocean. The CTD collects water samples and measures conductivity and temperature as a function of water depth.
Conductivity Temperature Depth Profiler (CTD)
This is the top of the Conductivity Temperature Depth Profiler (CTD). When the instrument is lowered into the water and reaches a desired depth, an electronic signal is sent along these wires from the ship that closes the bottles and a water sample is collected.
Preparing Conductivity Temperature Depth Profiler (CTD)
Scientists are preparing the Conductivity Temperature Depth Profiler (CTD) before it is placed in the Arctic Ocean to collect data.
Barrow, Alaska
This is a view of Barrow, Alaska from a helicopter.
Barrow, Alaska
This is a view of Barrow, Alaska from a helicopter.
Sunflower sea star on the seafloor
Photograph of the seafloor off the California coast showing coarse sand, shells, and a sunflower sea star. It was taken during a "ground-truthing" survey off of Salt Point, California, in support of the California Seafloor Mapping Program.
Thomson Prairie Field Trip
The Wisconsin Cooperative Wildlife Research Unit (WCWRU) graduate student, Megan Jones, explains the ecology of small mammals at Thomson Prairie as part of a class field trip organized by WCWRU for the University of Wisconsin Grassland Ecology Class.
Collecting a DNA Sample
Collecting a DNA sample from a native freshwater mussel's muscular foot.
Pacific brant feeding on eelgrass beds in Izembek Lagoon, Alaska
Pacific brant feeding on submerged eelgrass at Grant Point, Izembek Lagoon, Alaska.
Monarch Caterpillar or Larva and Droppings
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
Monarch Caterpillar or Larva and Droppings
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
Sea Turtle Hatchling Tracks in Sand
Multiple sets of tracks left by numerous sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sea Turtle Hatchling Tracks in Sand
A set of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sea Turtle Hatchling Tracks in Sand
Two sets of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sea Turtle Hatchling Tracks in Sand
Two sets of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sonobuoy reciever launch
Launching a sonobuoy receiver off the end of CCGS Louis S. St-Laurent
Spawing sockeye salmon in a Matanuska River side channel, Alaska
A spawining sockeye salmon with it's back out of the water in a side channel of the Matanuska River. Results from this study were published in Curran, J.H., McTeague, M.L., Burril, S.E., and Zimmerman, C.E., 2011, Distribution, persistence, and hydrologic characteristics of salmon spawning habitats in clearwater side channels of the Matanuska River, southcentral Alaska: U.
...Manatee Spring Run
View of the Spring Run near the gage, downstream of the main vent.
Researchers at a saline soil bare patch, Medicine Lake NWR
Researchers stand at the edge of a saline soil bare patch, Medicine Lake NWR.
Researchers stand in saline soil, Medicine Lake NWR
Researchers stand in saline soil, Medicine Lake NWR.
Broken oil pipline
Broken oil pipline.
Leaking oil line
Leaking oil line.
Stalking Heron
White Heron stalking through the Wetlands in Ironia New Jersey
White Heron in the Wetlands
White heron wading in the wetlands in Ironia, New Jersey
Researchers at Medicine Lake National Wildlife Refuge (MLNWR)
Researchers at Medicine Lake National Wildlife Refuge (MLNWR)
Atlantic Ocean Sunrise
Subtropical Atlantic Ocean sunrise with the dark clouds of a distant offshore thunderstorm.
Atlantic Ocean Sunrise
Subtropical Atlantic Ocean sunrise with the dark clouds of a distant offshore thunderstorm.
Red Morning Sunrise
Red morning sunrise on the Atlantic Ocean as seen from a barrier island.
Research Excavation of Loggerhead Sea Turtle Nest
Research excavation of a loggerhead sea turtle nest (Caretta caretta) on a sandy Florida beach. The excavation is part of a county research program that keeps track of the number of nests (by species) - mostly loggerhead, a few greens, and an occasional leatherback. They excavate the nest a day or two after confirmed hatching to count unhatched eggs, dead hatchlings that
...Sea Turtle Tracks at Nesting Site
A morning photo depicts evidence of a sea turtle nesting the previous night (from the sea, left; return to sea, right). The protective stakes mark a nest from an earlier week as part of a county research program that marks and records every eighth nest.
Sea Turtle Tracks at Nesting Site
A morning photo depicts evidence of a sea turtle nesting the previous night (from the sea, left; return to sea, right). The protective stakes mark a nest from an earlier week as part of a county research program that marks and records every eighth nest.
Sea Turtle Tracks at Nesting Site
A morning photo depicts evidence of a sea turtle nesting the previous night (from the sea, left; return to sea, right). The protective stakes mark a nest from an earlier week as part of a county research program that marks and records every eighth nest.
Beach Erosion with Escarpment
Wave action produced by a tropical storm (Fay) eroded barrier island beaches on the Atlantic coast of Florida, producing cliff-like escarpments as depicted here.
Red Morning Sunrise
Red morning sunrise on the Atlantic Ocean as seen from a barrier island. A sea turtle nest is on the beach.