Bats and Wind Energy
USGS biologist Paul Cryan examines the carcass of a hoary bat (Lasiurus cinereus) found beneath a wind turbine. By examining the casualties, biologists hope to learn more about why migratory bats are so susceptible to wind turbines. ...
Location: USA

Bats and Wind Energy
USGS biologist Paul Cryan. Biologists hope to learn more about the scale and causes of bat fatalities at wind turbines by searching for carcasses of bats beneath turbines and carefully documenting the conditions under which they are found....
Location: USA

Bat with Radio Transmitter
USGS biologist Paul Cryan releases a bat carrying a miniature radio transmitter. Researchers are increasingly turning to high-tech methods to try to learn more about the mysterious lives of bats. ...
Location: USA

Acoustic Doppler Current Profilers
USGS Hydrologic Instrumentation Facilities employee Jerry Gardner and contract employee Rodger Cook, prepare recently acquired Acoustic Doppler Profilers for distribution to USGS Water Science Centers....
Location: LA, USA

Radar Stage Sensor
USGS Hydrologic Instrumentation Facilities employee Robin Dailey examines a recently received radar stage sensor purchased with ARRA funds....
Location: LA, USA

Side-Looking Acoustic Doppler Current Profiler
USGS Hydrologic Instrumentation Facilities employee Rodger Cook examines a Side-Looking Acoustic Doppler Current Profiler purchased with ARRA funds....
Location: LA, USA

Pressure Transducer Unit
USGS Contract employee Kevin Hadley examines a pressure tranducer unit prior to subjecting it to quality assurance testing....
Location: LA, USA

Electromagnetic Survey
USGS hydrologist conducts a broadband electromagnetic survey in New Orleans, Louisiana. The survey was one of several geophysical methods used during USGS applied research on the utility of the multi-channel analysis of surface waves (MASW) seismic method for non-invasive assessment of earthen levee...
Location: New Orleans, LA, USA

Seismic Survey
USGS hydrologists conduct a seismic survey in New Orleans, Louisiana. The survey was one of several geophysical methods used during USGS applied research on the utility of the multi-channel analysis of surface waves (MASW) seismic method (no pictured here) for non-invasive assessment of earthen leve...
Location: New Orleans, LA, USA

Ground-penetrating Radar Survey (GPR)
USGS hydrologist conducts a ground-penetrating radar survey to investigate and characterize the shallow subsurface. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2006....
Location: Parris Island, SC, USA

Near-Surface Geophysics: Two-Dimensional Resistivity
USGS hydrologist conducts a two-dimensional (2D) resistivity survey to investigate and characterize the shallow subsurface. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2006....
Location: Parris Island, SC, USA

Fiber Optic Temperature Sensing in Hydrology
USGS hydrologists deploy fiber-optic distributed temperature sensing equipment in Ashumet Pond, Mashpee, Massachusetts. Fiber-optic distributed temperature sensing is an emerging technology that has promise for characterizing estuary-aquifer interaction. The technology evaluation was conducted by th...
Location: Mashpee, MA, USA

Near-Surface Seismic Survey in the Bronx
USGS hydrologists prepare equipment for multi-channel analysis of surface waves (MASW) land seismic imaging survey. The geophones (in the yellow "land streamer") are pulled behind a vehicle. This relatively new system allows for inexpensive and rapid data acquisition. The survey was conducted a...
Location: Bronx, NY, USA

Near-Surface Seismic Survey in the Bronx
USGS hydrologists prepare equipment for a multi-channel analysis of surface waves (MASW) land seismic imaging survey. In this picture, the accelerated weight-drop energy source (blue box) is attached to the back of a vehicle. This relatively new system allows for inexpensive and rapid data acquisiti...
Location: Bronx, NY, USA

Near-Surface Seismic Survey in the Bronx
USGS hydrologists conduct a multi-channel analysis of surface waves (MASW) land seismic imaging survey. The yellow land streamer contains the geophones and is towed behind a vehicle. This relatively new system allows for inexpensive and rapid data acquisition. The survey was conducted as part of an ...
Location: Bronx, NY, USA