Instrument package mounted to the seaward slope of a coral reef off southwestern Puerto Rico.
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Reef-mounted instruments
Instrument package mounted to the seaward slope of a coral reef off southwestern Puerto Rico.
Cyanobacteria - Phormidium (blue green algae)
Microscopic view of blue green algae sample. Some algae produce toxins that threaten the health and safety of living things that come in direct contact. Cyanobacteria - Phormidium (blue green algae)
Microscopic view of blue green algae sample. Some algae produce toxins that threaten the health and safety of living things that come in direct contact. Cyanobacteria - Phormidium (blue green algae)
Mallard Duckling from Suisun Marsh
This mallard duckling was captured in Suisun Marsh. USGS scientists are weighing, measuring and banding waterfowl to understand how they are using the marsh and for capture-recapture data.
This mallard duckling was captured in Suisun Marsh. USGS scientists are weighing, measuring and banding waterfowl to understand how they are using the marsh and for capture-recapture data.
Soda-Avawatz Fault, eastern Avawatz Mountains
This is a view to the southwest from the top of the piedmont on the eastern side of the Avawatz Mountains, ~25 km northwest of Baker, CA.
This is a view to the southwest from the top of the piedmont on the eastern side of the Avawatz Mountains, ~25 km northwest of Baker, CA.
Two Scientists Collecting Ducks
Researchers use wire mesh to construct traps for collecting waterfowl in Suisun Marsh, CA.
Researchers use wire mesh to construct traps for collecting waterfowl in Suisun Marsh, CA.
Wrapping Up the Site
Moving from one site to the next requires hauling needed gear along with. These three have their hands full taking things back to the truck after processing waterfowl from a maintained site.
Moving from one site to the next requires hauling needed gear along with. These three have their hands full taking things back to the truck after processing waterfowl from a maintained site.
Measuring the groundwater level in a well near Lame Deer, Montana
Measuring the groundwater level in a well near Lame Deer, Montana
Measuring the groundwater level in a well near Lame Deer, Montana
USGS Gage 3197910 Unnamed Trib to Elk Twomile Creek Near Charleston WV
USGS gage 3197910 Unnamed Trib to Elk Twomile Creek near Charleston, WV
USGS gage 3197910 Unnamed Trib to Elk Twomile Creek near Charleston, WV
Measuring discharge of Lame Deer Creek near Lame Deer, Montana
Measuring discharge of Lame Deer Creek near Lame Deer, Montana
Measuring discharge of Lame Deer Creek near Lame Deer, Montana
Mount Hood photographed near Parkdale, OR.
Mount Hood photographed near Parkdale, Oregon.
Mount Hood photographed near Parkdale, Oregon.
Remote Control Boat Deployment
Oceanscience Q1250 Remote Boat for slow to mid flow.
Oceanscience Q1250 Remote Boat for slow to mid flow.
Retrieving Waterfowl from a Trap in Suisun Marsh
Two WERC technicians walk back from a placed trap with hands full.
Two WERC technicians walk back from a placed trap with hands full.
Walking Out to Prep Site for Waterfowl Trap in Suisun Marsh
Brock, a USGS volunteer, walks out to a future waterfowl trapping site with a bucket full of rice in hopes that it will attract waterfowl to the area.
Brock, a USGS volunteer, walks out to a future waterfowl trapping site with a bucket full of rice in hopes that it will attract waterfowl to the area.
Mapping squadron
Left to right: In July 2017 Tim Elfers (USGS), Hannah Drummond (WA State Dept. of Ecology), Heather Weiner (WA State Dept. of Ecology), Andrew Stevens (USGS), and Andy Ritchie (USGS) used handheld computers and backpack-mounted GPS equipment to record topography along a beach near the mouth of the Elwha River.
Left to right: In July 2017 Tim Elfers (USGS), Hannah Drummond (WA State Dept. of Ecology), Heather Weiner (WA State Dept. of Ecology), Andrew Stevens (USGS), and Andy Ritchie (USGS) used handheld computers and backpack-mounted GPS equipment to record topography along a beach near the mouth of the Elwha River.
USGS Employee Measuring Road Overflow During A Record Flood Event.
USGS employee measuring road overflow during a record flood event at Little Wapsipinicon River near Oran, IA USGS gage ID 5420850
USGS employee measuring road overflow during a record flood event at Little Wapsipinicon River near Oran, IA USGS gage ID 5420850
Black-legged Kittiwake with herring near Gull Island, Cook Inlet, AK
Black-legged Kittiwake with a herring in it's bill. These seabirds were foraging near Gull Island in Cook Inlet, Alaska.
Black-legged Kittiwake with a herring in it's bill. These seabirds were foraging near Gull Island in Cook Inlet, Alaska.
Geologist collecting igneous rock samples in Lake Clark Nat'l Park
The photo was taken by Erin Todd during helicopter-supported geologic fieldwork in Lake Clark National Park this past summer.
The photo was taken by Erin Todd during helicopter-supported geologic fieldwork in Lake Clark National Park this past summer.
Kīlauea's Kamokuna ocean entry reaches its 1-year anniv.
Kīlauea Volcano's Kamokuna ocean entry photographed on May 23, 2017 (left) and July 13, 2017 (right) show how lava flowing from the tube has both widened and thickened the delta. Near the sea cliff, the delta appears to have doubled in thickness over the past seven weeks, creating a distinctly sloped surface from the base of the cliff to the sea.
Kīlauea Volcano's Kamokuna ocean entry photographed on May 23, 2017 (left) and July 13, 2017 (right) show how lava flowing from the tube has both widened and thickened the delta. Near the sea cliff, the delta appears to have doubled in thickness over the past seven weeks, creating a distinctly sloped surface from the base of the cliff to the sea.
Metolius River, Smiling River Campground, Deschutes National Forest
Metolius River, Smiling River Campground, Deschutes National Forest
Metolius River, Smiling River Campground, Deschutes National Forest
The Belo Monte Dam Complex, Brazil
In northern Brazil, the Belo Monte Dam complex on the Xingu River, a major tributary of the Amazon, has changed the course of the river and surrounding landscape.
In northern Brazil, the Belo Monte Dam complex on the Xingu River, a major tributary of the Amazon, has changed the course of the river and surrounding landscape.
Virginia Science Office
Virginia and West Virginia Water Science Center: Virginia Science Office, Richmond.
Virginia and West Virginia Water Science Center: Virginia Science Office, Richmond.