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Adam Mosbrucker tests equipment (Acoustic Doppler Current Profiler, survey-grade RTK-GPS and a map-grade GPS) in preparation for a lake bottom survey.
Adam Mosbrucker tests equipment (Acoustic Doppler Current Profiler, survey-grade RTK-GPS and a map-grade GPS) in preparation for a lake bottom survey.
Map of horizontal displacement vectors for Global Positioning System (GPS) stations in and around Mount St. Helens. Blue arrows show the direction and magnitude of horizontal movement, as measured at the GPS station from 2008-2014. The total horizontal displacement is indicated in millimeters (mm) and inches (in).
Map of horizontal displacement vectors for Global Positioning System (GPS) stations in and around Mount St. Helens. Blue arrows show the direction and magnitude of horizontal movement, as measured at the GPS station from 2008-2014. The total horizontal displacement is indicated in millimeters (mm) and inches (in).
A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.
A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in the St. Joe River at Red Ives Ranger Station in northern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.
Middle fork of the Salmon River near Shoup, Idaho.
Middle fork of the Salmon River near Shoup, Idaho.
Ice flow at Sta. 12413000 NF Coeur d’ Alene River at Enaville, ID.
Ice flow at Sta. 12413000 NF Coeur d’ Alene River at Enaville, ID.