1906 USGS River Height Observation Book
Streamgaging activities in Florida began on the Suwannee River at White Springs, where a local observer tracked mean daily water level elevation in this observer's book....
Location: USA
Measuring Streamflow on Flooded Road
Hydrologic technicians measure the amount of water from the flooded Suwannee River flowing across a submerged road near Ellaville, Florida in April 2009....
Location: Ellaville, FL, USA
White Springs Streamgage 1932
Streamgage on the Suwannee River in 1932, located on the highway 41 bridge in White Springs, Florida...
Location: White Springs, FL, USA
White Springs Streamgage 1964
The streamgage at the highway 41 bridge in White Springs, Florida during a flood on September 16, 1964. The walkway to the gage was submerged in water....
Location: White Springs, FL, 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
Evaluating Geophysical Equipment & Methods
USGS hydrologists monitor data collection during a geophysical survey using the horizontal-to-vertical ambient-noise seismic method. This method can be used to estimate unconsolidated sediment thickness and map the bedrock surface as part of groundwater investigations. The survey was conducted as pa...
Location: RI, USA
Using GPS in the Field
USGS hydrologist collects location data using GPS during a near-surface geophysics survey. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2007....
Location: CA, USA
Near-Surface Gravity Survey
A USGS hydrologist prepares equipment to conduct a gravity survey to evaluate small variations in the earth's gravity field. The USGS Office of Groundwater Branch of Geophysics develops and tests new tools and field methods to support USGS analysis of groundwater flow systems....
Location: CA, USA
Continous Seismic Profiling
The USGS collaborated with cooperator U.S. Fish & Wildlife Service to conduct continuous seismic-reflection profiling in the Havasu National Wildlife Refuge. The survey was conducted as part of an applied research and technology transfer effort by the USGS Office of Groundwater Branch of Geophysics ...
Location: CA, USA
USGS Training on Borehole Geophysical Logging
A USGS hydrologist holds an electromagnetic induction borehole logging tool while the tool is calibrated. The hydrologist was participating in a USGS class on how to use electromagnetic induction geophysical methods for groundwater investigations, conducted by the USGS Office of Groundwater Branch ...
Location: FL, USA
Electromagnetic Survey
A USGS hydrologist conducts a near-surface electromagnetic induction survey to characterize the shallow earth. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics at Camp Rell, Connecticut, in 2008....
Location: Camp Rell, CT, USA
Measuring Snowfall with Solar Panels
A new device to measure snowfall in remote areas is pictured here with its solar panels, small windmill, and snow-collecting bucket....
Location: Augusta, ME, USA
Measuring Snowfall with Solar Panels
Using the device pictured here, government scientists are measuring snowfall in remote areas with a bucket, a small windmill, and the sun -- all the while saving money, energy, and ultimately helping to save lives. ...
Location: Agusta, ME, USA
Small-scale Commercial Windmill
USGS researchers used a small-scale commercial windmill as an essential part of its new device to measure snowfall in remote areas....
Location: USA
Field Trip to the Congo
USGS scientist John Shelton using high-tech hydroacoustic equipment to measure the depth and velocity of the Congo River. ...
Location: USA
Borehole Geophysical Logging
USGS hydrologist conducts borehole geophysical logging as part of an applied research project to evaluate the use of new hydrogeophysical tools to remotely monitor and visualize bioremediation of contaminated groundwater. This research is being conducted at the Brandywine Defense Reutilization and M...
Location: MD, USA
Landslide Sampling
Scientist Jonathan Godt samples a landslide headscarp in Alameda County, CA.
...
Location: Alameda County, CA, USA
Rock-Fall Estimating
Geologist Ed Harp estimates rock-fall susceptibility in American Fork Canyon, UT.
...
Location: American Fork Canyon, UT, USA
Rock-Fall Estimating
Geologist Ed Harp estimates rock-fall susceptibility in American Fork Canyon, UT.
...
Location: American Fork Canyon, UT, USA
Debris Flow Research
Scientists Jonathan Godt and Rex Baum examine a fresh debris-flow deposit near Buena Vista, CO.
...
Location: Buena Vista, CO, USA
Alaska Volcano Observatory Operations
Research geologist Michelle Coombs monitors information on Redoubt during a restless period....
Location: Anchorage, AK, USA
Redoubt Volcano Observation Flight
USGS scientist Heather Bleick prepares documentation equipment for a flight over Redoubt Volcano....
Location: Anchorage, AK, USA
Equipment Installation
USGS scientist Game McGimsey gathers equipment for an aerial observation and gas monitoring flight....
Location: Anchorage, AK, USA
Occupational Hazard
USGS scientist Michael Doukas responds to questions concerning the observation flight over Redoubt volcano that he is leading....
Location: Anchorage, AK, USA
Alaska Volcano Observatory Operations
USGS scientist Tina Neal interprets real time data received in the AVO Operations room. ...
Location: Anchorage, AK, USA
Alaska Volcano Observatory Operations
USGS scientist in charge of the Alaska Volcano Observatory, Tom Murray, gets a first hand look at heightened activity on Redoubt volcano....
Location: Anchorage, AK, USA
Alaska Volcano Observatory Operations
USGS scientists Tina Neal (left) and Melissa Pfeffer (right) analyze data as it returns from several volcanos around Alaska....
Location: Anchorage, AK, USA
Gas Flight Preparation
Left to Right: USGS staff Heather Bleick, Peter Kelly and Game McGimsey gather equipment for an aerial observation and gas monitoring flight....
Location: Anchorage, AK, USA
Alaska Volcano Observatory Operations
USGS scientists Tina Neal (left) and Melissa Pfeffer (right) analyze data as it returns from several volcanos around Alaska....
Location: Anchorage, AK, USA
Alaska Volcano Observatory Operations
USGS scientists Tina Neal (left) and Melissa Pfeffer (right) analyze data as it returns from several volcanos around Alaska....
Location: Anchorage, AK, USA
Aerial observation and gas monitoring flight
USGS staff Michael Doukas, Heather Bleick, and Peter Kelly depart for an aerial observation and gas monitoring flight over Redoubt Volcano....
Location: Anchorage, AK, USA
Ash Collection
USGS scientist Kristi Wallace works with a videographer to tape an educational segment for the general public on how to gather ash samples after an eruption....
Location: Anchorage, AK, USA
Ash Collection
USGS scientist Kristi Wallace works with a videographer to tape an educational segment for the general public on how to gather ash samples after an eruption....
Location: Anchorage, AK, USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of U.S. Coast Guard Cutter Healy (bottom left) stopped in the Arctic Ocean as Canadian Coast Guard Ship Louis S. St. Laurent (top right) comes alongside it. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was durin...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view Canadian Coast Guard Ship Louis S. St. Laurent (left) and U.S. Coast Guard Cutter Healy (right) on the Arctic Ocean. You can see the bubbler system working on Louis. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. Louis is approaching Healy to come alongside it. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. Th...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. This was during a scientific expedition to map the Arctic seafloor....
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (left) and U.S. Coast Guard Cutter Healy (right) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
Canadian Coast Guard Ship in the Arctic
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent on the Arctic Ocean. This was during a scientific expedition to map the Arctic seafloor....
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (left) and U.S. Coast Guard Cutter Healy (right) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of U.S. Coast Guard Cutter Healy (left) and Canadian Coast Guard Ship Louis S. St. Laurent (right) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (left) and U.S. Coast Guard Cutter Healy (right) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (left) and U.S. Coast Guard Cutter Healy (right) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of U.S. Coast Guard Cutter Healy (left) and Canadian Coast Guard Ship Louis S. St. Laurent (right) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. This was during a scientific expedition to map the Arctic seafloor....
Location: USA
U.S. and Canadian Ships in Arctic Ocean
Helicopter view of Canadian Coast Guard Ship Louis S. St. Laurent (top) and U.S. Coast Guard Cutter Healy (bottom) on the Arctic Ocean. The ships are coming together because the crews are planning to meet and learn the operations of the other ship. This was during a scientific expedition to map the ...
Location: USA
2008 Donghekou Landslide
Photograph of the Donghekou Landslide, triggered by the 2008 Wenchuan, China Earthquake. This landslide had 3 sources areas: the mountain slope at the top right of the photograph a second area primarily resulting in a rockslide that occurred to the left of the scientists, and one to the right, acro...
Location: , Sichuan, China
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