Prairie Dog, Glacial Ridge National Wildlife Refuge
Prairie Dog, Glacial Ridge National Wildlife RefugePrairie Dog, Glacial Ridge National Wildlife Refuge
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Prairie Dog, Glacial Ridge National Wildlife Refuge
Prairie Dog, Glacial Ridge National Wildlife Refuge
Prairie Dog, Glacial Ridge National Wildlife RefugePrairie Dog, Glacial Ridge National Wildlife Refuge
PVC Pipe Bottom Mount
6" PVC pipe is weighted to allow an ADVM/ADCP to be deployed in a vertical or "uplooker" configuration.
6" PVC pipe is weighted to allow an ADVM/ADCP to be deployed in a vertical or "uplooker" configuration.
Raisable Pipe Mount
2" aluminum pipe, structural pipe fittings, and square tubing are utilized to create a dock servicable uplooking ADVM mount.
2" aluminum pipe, structural pipe fittings, and square tubing are utilized to create a dock servicable uplooking ADVM mount.
Randy Orndorff examines limestone on Lake Champlain, VT
Randy Orndorff examines limestone on Lake Champlain, VTPhoto Contest Winner | Nov. 2019 | USGS at Work
Randy Orndorff examines limestone on Lake Champlain, VT
Randy Orndorff examines limestone on Lake Champlain, VT
Randy Orndorff examines limestone on Lake Champlain, VTPhoto Contest Winner | Nov. 2019 | USGS at Work
Randy Orndorff examines limestone on Lake Champlain, VT
Red plumes burst out from the tops of these chemosynthetic tubeworms
Red plumes burst out from the tops of these chemosynthetic tubewormsRed plumes burst out from the tops of these chemosynthetic tubeworms, capturing hydrogen sulfide and oxygen from the surrounding water to feed their bacterial endosymbionts. The tubeworm tubes provide a habitat for several benthic animals, including the pale pink branching octocorals seen here
Red plumes burst out from the tops of these chemosynthetic tubeworms
Red plumes burst out from the tops of these chemosynthetic tubewormsRed plumes burst out from the tops of these chemosynthetic tubeworms, capturing hydrogen sulfide and oxygen from the surrounding water to feed their bacterial endosymbionts. The tubeworm tubes provide a habitat for several benthic animals, including the pale pink branching octocorals seen here
Release of radio-tagged silver phase American Eel
Radio-tagged silver phase American Eels being released for a CAFRL telemetry study of downstream passage of eels at hydroelectric dams on the Shetucket River, Connecticut.
Radio-tagged silver phase American Eels being released for a CAFRL telemetry study of downstream passage of eels at hydroelectric dams on the Shetucket River, Connecticut.
Repeat photography helps document glacier change
USGS scientists at the Northern Rocky Mountain Science Center use repeat photography to document glacier change and as a communication tool.
USGS scientists at the Northern Rocky Mountain Science Center use repeat photography to document glacier change and as a communication tool.
Research activities performed by Coastal and Marine scientists
Research activities performed by Coastal and Marine scientistsCoastal and Marine scientists collect data in the field.
Research activities performed by Coastal and Marine scientists
Research activities performed by Coastal and Marine scientistsCoastal and Marine scientists collect data in the field.
Researchers evaluate vegetation during a GLORIA alpine plant survey
Researchers evaluate vegetation during a GLORIA alpine plant surveyResearchers evaluate vegetation during a GLORIA alpine plant survey near the summit of Seward Mountain in Glacier National Park, Montana.
Researchers evaluate vegetation during a GLORIA alpine plant survey
Researchers evaluate vegetation during a GLORIA alpine plant surveyResearchers evaluate vegetation during a GLORIA alpine plant survey near the summit of Seward Mountain in Glacier National Park, Montana.
Retrieving a core sampler
USGS scientists Dan Powers (left) and Andy Ritchie retrieving a core sample from beneath Lake Ozette aboard research vessel Hadai.
USGS scientists Dan Powers (left) and Andy Ritchie retrieving a core sample from beneath Lake Ozette aboard research vessel Hadai.
Sampling Suspended-sediment Concentration
Tyson Hatch and Fletcher Brinkerhoff sampling suspended-sediment concentration upstream of the Buckman Diversion for the city of Santa Fe on the Rio Grande (08313150 Rio Grande above Buckman Diversion, near White Rock, NM)
Tyson Hatch and Fletcher Brinkerhoff sampling suspended-sediment concentration upstream of the Buckman Diversion for the city of Santa Fe on the Rio Grande (08313150 Rio Grande above Buckman Diversion, near White Rock, NM)
Sandhill Cranes at Glacial Ridge National Wildlife Refuge
Sandhill Cranes at Glacial Ridge National Wildlife RefugeSandhill Crane Pair in flight at Glacial Ridge National Wildlife Refuge
Sandhill Cranes at Glacial Ridge National Wildlife Refuge
Sandhill Cranes at Glacial Ridge National Wildlife RefugeSandhill Crane Pair in flight at Glacial Ridge National Wildlife Refuge
Schematic Diagram of Midsection Measurement
Diagram depicting stationing in midsection measurement where velocity measurements are acquired. Each station width is multiplied by the station depth and measured velocity to compute the discharge in each section. Section discharges are tabulated to compute a total discharge for the cross section.
Diagram depicting stationing in midsection measurement where velocity measurements are acquired. Each station width is multiplied by the station depth and measured velocity to compute the discharge in each section. Section discharges are tabulated to compute a total discharge for the cross section.
Scientists collect alpine plant species and distribution data in GNP
Scientists collect alpine plant species and distribution data in GNPScientists collect alpine plant species and distribution data to complete a GLORIA site inventory on the summit of Seward Mountain, Glacier National Park, Montana.
Scientists collect alpine plant species and distribution data in GNP
Scientists collect alpine plant species and distribution data in GNPScientists collect alpine plant species and distribution data to complete a GLORIA site inventory on the summit of Seward Mountain, Glacier National Park, Montana.
Scientists use grids to collect alpine plant data according to GLORIA
Scientists use grids to collect alpine plant data according to GLORIAScientists use grids to collect alpine plant data according to GLORIA protocols on the summit of Bison Mountain in Glacier National Park, Montana.
Scientists use grids to collect alpine plant data according to GLORIA
Scientists use grids to collect alpine plant data according to GLORIAScientists use grids to collect alpine plant data according to GLORIA protocols on the summit of Bison Mountain in Glacier National Park, Montana.
Southern Cascadia topography and bathymetry
Topography and bathymetry of southern Cascadia, which includes southern Oregon and northern California (seafloor depths between 200 and 3000 m are shown in the spectrum color scale from red (shallower) to purple (deeper). The land and continental shelf are shown in grayscale slope shading where darker colors represent steeper slopes.
Topography and bathymetry of southern Cascadia, which includes southern Oregon and northern California (seafloor depths between 200 and 3000 m are shown in the spectrum color scale from red (shallower) to purple (deeper). The land and continental shelf are shown in grayscale slope shading where darker colors represent steeper slopes.
StreamPro with Tagline
Photograph of the StreamPro being deployed in the included tethered boat on a temporary tagline.
Photograph of the StreamPro being deployed in the included tethered boat on a temporary tagline.
Structural Pipe Fittings
Speed Rail and Kee Lite are two common manufacturers of aluminum structural pipe fittings, a popular material in which to construct index-velocity meter mounts.
Speed Rail and Kee Lite are two common manufacturers of aluminum structural pipe fittings, a popular material in which to construct index-velocity meter mounts.
SuBastian’s manipulator jaw stabilizes GEOMAR’s glowing bubble box
SuBastian’s manipulator jaw stabilizes GEOMAR’s glowing bubble boxROV SuBastian’s manipulator jaw stabilizes GEOMAR’s glowing bubble box that is capturing high-resolution images of methane bubbles rising from the seafloor.
SuBastian’s manipulator jaw stabilizes GEOMAR’s glowing bubble box
SuBastian’s manipulator jaw stabilizes GEOMAR’s glowing bubble boxROV SuBastian’s manipulator jaw stabilizes GEOMAR’s glowing bubble box that is capturing high-resolution images of methane bubbles rising from the seafloor.
Tethered ADCP
Tethered Boat Mount
Examples of tethered acoustic Doppler current profiler (ADCP) boats used for making discharge measurements.
(Left photograph by Jeff Woodward, Environment Canada and right photograph by Geoffrey D. Cartano, U.S. Geological Survey.)
Tethered Boat Mount
Examples of tethered acoustic Doppler current profiler (ADCP) boats used for making discharge measurements.
(Left photograph by Jeff Woodward, Environment Canada and right photograph by Geoffrey D. Cartano, U.S. Geological Survey.)