USGS Multimedia Gallery for Set: Scientific Research

http://gallery.usgs.gov/images/logos/usgs_only.jpg USGS Multimedia Gallery for Set: Scientific Research http://gallery.usgs.gov/ en-us OC_Web@usgs.gov (Office of Communications Web Group) http://gallery.usgs.gov/images/USGS.gif USGS http://gallery.usgs.gov/ <![CDATA[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.]]> http://gallery.usgs.gov/photos/09_22_2009_w06Ev32UTo_09_22_2009_0 <![CDATA[Hydrologic technicians measure the amount of water from the flooded Suwannee River flowing across a submerged road near Ellaville, Florida in April 2009.]]> http://gallery.usgs.gov/photos/09_22_2009_w06Ev32UTo_09_22_2009_2 <![CDATA[Streamgage on the Suwannee River in 1932, located on the highway 41 bridge in White Springs, Florida]]> http://gallery.usgs.gov/photos/09_22_2009_w06Ev32UTo_09_22_2009_3 <![CDATA[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.]]> http://gallery.usgs.gov/photos/09_22_2009_w06Ev32UTo_09_22_2009_4 <![CDATA[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 levees. The research was conducted by the USGS Office of Groundwater Branch of Geophysics in 2006.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_0 <![CDATA[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 levees. The research was conducted by the USGS Office of Groundwater Branch of Geophysics in 2006.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_1 <![CDATA[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.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_2 <![CDATA[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.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_3 <![CDATA[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 the USGS Office of Groundwater Branch of Geophysics in 2007. To learn more about this method, see http://water.usgs.gov/ogw/bgas/fiber-optics/]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_4 <![CDATA[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 as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in the Bronx, New York, in 2007.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_5 <![CDATA[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 acquisition. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in the Bronx, New York, in 2007.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_6 <![CDATA[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 applied research effort by the USGS Office of Groundwater Branch of Geophysics in the Bronx, New York, in 2007.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_7 <![CDATA[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 part of technology evaluation by the USGS Office of Groundwater Branch of Geophysics in 2007.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_8 <![CDATA[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.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_9 <![CDATA[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.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_10 <![CDATA[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 in 2007.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_14 <![CDATA[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 of Geophysics in 2008.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_15 <![CDATA[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.]]> http://gallery.usgs.gov/photos/05_01_2009_v06Du22tso_05_01_2009_16 <![CDATA[A new device to measure snowfall in remote areas is pictured here with its solar panels, small windmill, and snow-collecting bucket.]]> http://gallery.usgs.gov/photos/04_20_2009_lPg6JWu33D_04_20_2009_0 <![CDATA[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. ]]> http://gallery.usgs.gov/photos/04_20_2009_lPg6JWu33D_04_20_2009_1 <![CDATA[USGS researchers used a small-scale commercial windmill as an essential part of its new device to measure snowfall in remote areas.]]> http://gallery.usgs.gov/photos/04_20_2009_lPg6JWu33D_04_20_2009_2 <![CDATA[USGS scientist John Shelton using high-tech hydroacoustic equipment to measure the depth and velocity of the Congo River. ]]> http://gallery.usgs.gov/photos/03_30_2009_t85Br11QQl_03_30_2009_0 <![CDATA[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 Marketing Office (DRMO), Maryland, by the USGS Office of Groundwater Branch of Geophysics.]]> http://gallery.usgs.gov/photos/03_20_2009_j41Qht6GGb_03_20_2009_0 <![CDATA[Scientist Jonathan Godt samples a landslide headscarp in Alameda County, CA. ]]> http://gallery.usgs.gov/photos/03_04_2009_hlc5Frq1EY_03_04_2009_0 <![CDATA[Geologist Ed Harp estimates rock-fall susceptibility in American Fork Canyon, UT. ]]> http://gallery.usgs.gov/photos/03_04_2009_hlc5Frq1EY_03_04_2009_1