Pat Connolly (USGS-CRRL), Greg Morris (Yakama Nation), and Jeff Spencer (Yakama Nation) on a scouting and field planning trip on the White Salmon River, WA. Personnel were planning for studies of resident rainbow trout in the White Salmon River prior to removal of Condit Dam, which was breached in 2011.
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Scouting field sites, by raft, on the White Salmon River, WA
Pat Connolly (USGS-CRRL), Greg Morris (Yakama Nation), and Jeff Spencer (Yakama Nation) on a scouting and field planning trip on the White Salmon River, WA. Personnel were planning for studies of resident rainbow trout in the White Salmon River prior to removal of Condit Dam, which was breached in 2011.
Trawling for Delta Smelt aboard the USGS Research Vessel Sentinel
Trawling for Delta Smelt using a Kodiak Trawl in the Sacramento River aboard the USGS Research Vessel Sentinel.
Trawling for Delta Smelt using a Kodiak Trawl in the Sacramento River aboard the USGS Research Vessel Sentinel.
Computer Recycling Farm USA
USGS conducted a study of plastic pollution at this rural US site in the Midwest. The recycler was receiving computers from companies at a rate which greatly exceeded the capacity of the operation. Approximately 50,000 computers remained outdoors on 15 acres for nearly a decade. The site has since been cleaned up.
USGS conducted a study of plastic pollution at this rural US site in the Midwest. The recycler was receiving computers from companies at a rate which greatly exceeded the capacity of the operation. Approximately 50,000 computers remained outdoors on 15 acres for nearly a decade. The site has since been cleaned up.
Panoramic photo of area impacted during explosions at Norris in 2004
View to the southeast through the area affected by the increased thermal output at Norris' Back Basin in the summer of 2003. The foreground shows steaming areas where boiling water and steam have approached the surface, resulting in increased ground temperatures.
View to the southeast through the area affected by the increased thermal output at Norris' Back Basin in the summer of 2003. The foreground shows steaming areas where boiling water and steam have approached the surface, resulting in increased ground temperatures.
Sundown Over the Potomac River
On a hike one evening after classes at the National Resources Conservation Center at Shepherdstown, WV, I watched this sunset from the riverbank.
On a hike one evening after classes at the National Resources Conservation Center at Shepherdstown, WV, I watched this sunset from the riverbank.
Invasive Zebra Mussels
The zebra mussel (Dreissena polymorpha) is a small, non-native mussel originally found in Russia. In 1988, this animal was transported to North America in the ballast water of a transatlantic freighter and colonized parts of Lake St. Clair. In less than ten years, zebra mussels spread to all five Great Lakes.
The zebra mussel (Dreissena polymorpha) is a small, non-native mussel originally found in Russia. In 1988, this animal was transported to North America in the ballast water of a transatlantic freighter and colonized parts of Lake St. Clair. In less than ten years, zebra mussels spread to all five Great Lakes.
Dryland agriculture in the Northwestern Great Plains ecoregion.
Dryland agriculture in the Northwestern Great Plains ecoregion.
Dryland agriculture in the Northwestern Great Plains ecoregion.
Peachtree Creek, Atlanta, Ga. Debris from floods cause bridge problems
Peachtree Creek at Atlanta (USGS 02336300) Water Monitoring Site
Peachtree Creek at Atlanta (USGS 02336300) Water Monitoring Site
Tagged lamprey in a stream
A tagged sea lamprey used in our sterile male program is seen attached to a rock in a tributary to Lake Huron.
A tagged sea lamprey used in our sterile male program is seen attached to a rock in a tributary to Lake Huron.
Lava appears from under crust and drops into depression
Lava appears from under crust and drops into depression at front of advancing breakout. Width of blob of lava that appears is about 30 cm.
Lava appears from under crust and drops into depression at front of advancing breakout. Width of blob of lava that appears is about 30 cm.
Lava emerges from under crust
Lava emerges from under crust along side of breakout on steep slope. Listen to creaking sounds, about halfway through video, as crust flexes and breaks. See still taken at 0610:15 today.
Lava emerges from under crust along side of breakout on steep slope. Listen to creaking sounds, about halfway through video, as crust flexes and breaks. See still taken at 0610:15 today.
Lava flow
This clip lasts 30 seconds and so is a large file, but it shows such notable dynamics at flow front that it might be worth it to some of you patient ones. The active stream is 50-75 cm wide. Note, early on, how sliding crust plows into lava.
This clip lasts 30 seconds and so is a large file, but it shows such notable dynamics at flow front that it might be worth it to some of you patient ones. The active stream is 50-75 cm wide. Note, early on, how sliding crust plows into lava.
Lava pours out from under crust
Lava pours out from under crust at front of advancing breakout. See still taken at 0607:33 today.
Lava pours out from under crust at front of advancing breakout. See still taken at 0607:33 today.
A cleared lot with construction equipment in TN
A grated lots with construction equiptment. Houses are in the background. The picture was taken in Tennesse as a part of a Land Cover Trends project field trip.
A grated lots with construction equiptment. Houses are in the background. The picture was taken in Tennesse as a part of a Land Cover Trends project field trip.
A logging truck in Tennessee
A logging truck in Tennessee. The picture was taken as a part of a Land Cover Trends project field trip.
A logging truck in Tennessee. The picture was taken as a part of a Land Cover Trends project field trip.
Confinement feeding sheds and grain silos in KY
Confinement feeding sheds with grain silos in Kentucky. The picture was taken as part og a Land Cover Trends project field trip.
Confinement feeding sheds with grain silos in Kentucky. The picture was taken as part og a Land Cover Trends project field trip.
Hay bales in a hay field in TN
Hay bales in a hay field in Tennessee. This picture was taken as part of a Land Cover Trends project field trip.
Hay bales in a hay field in Tennessee. This picture was taken as part of a Land Cover Trends project field trip.
Hooded Merganser (Lophodytes cucullatus)
Hooded Merganser (Lophodytes cucullatus).
Hooded Merganser (Lophodytes cucullatus).
Ocean current-following surface drifters
Map showing the paths that ocean current-following surface drifters deployed in coral larval slicks off west Maui traveled in 24 hours following their release during a coral spawning event. Such data suggests that the coral reefs off west-central Maui may provide coral larvae to the reefs off northeastern Lānaʻi.
Map showing the paths that ocean current-following surface drifters deployed in coral larval slicks off west Maui traveled in 24 hours following their release during a coral spawning event. Such data suggests that the coral reefs off west-central Maui may provide coral larvae to the reefs off northeastern Lānaʻi.
Ruddy Duck (Oxyura jamaicensis)
Male ruddy duck swimming in water.
Male ruddy duck swimming in water.
Ruddy Duck (Oxyura jamaicensis)
Female ruddy duck swimming in water.
Female ruddy duck swimming in water.