Images

Drilling holes to collect samples for water-quality analyses at Green River nr LaBarge was made extra challenging by a temperature of -10F. It takes a lot of planning and quick action to collect and process the sample before equipment and water freeze.

Map and graphs illustrating (A) the extent of the shoreline and dune-base forecast locations (red). The year of (B) the first available and (C) most recent shoreline (red) and dune-base (blue) positions are provided for each transect. (D) Total number of shoreline and dune-base positions used in the analysis are also shown. #, number.

Scanning electron microprobe images show the complexity of tiny Icelandic ash grains (150 micron, or 0.006 inch). Image (a) shows a dense and blocky grain, and (b) shows a foamy grain. Photos by J. Schmith.

The stream at this site is free flowing under the ice, so the relation between stream stage and streamflow works like it does in the summer (or other non-ice months). Real-time flow and stage for Dinwoody Creek abv Lakes online: http://ow.ly/a0L850yr2Nb

Photo Contest Winner | Feb. 2020 | People
Shannon Fisher pulling sled at Moreau Lake area after measuring water levels in GW wells surrounding the lake

Photo Contest Winner | March 2020 | USGS at Work
Salt flat at Death Valley

Land use change in the Anza Valley, CA from 1934 to 2005.  

Map of the super gage site locations in Ohio, Kentucky, and Indiana

Answer: a GPS capable of accurately measuring elevations to within 10 cm (~4 in). In the summer of 2019, USGS organized a Light Detection and Ranging (LiDAR) survey of the Kīlauea summit and East Rift Zone, including both the Pu‘u ‘Ō‘ō and 2018 lower Puna lava flows.

The SQUID-5, or a Structure-from-Motion (SfM) Quantitative Underwater Imaging Device with 5 cameras is a towed surface vehicle with an onboard Global Navigation Satellite System (GNSS) and 5 downward-looking cameras with overlapping views of the seafloor.

Streamflow and water-quality data have been collected at Fivemile Creek near Shoshoni since the 1940s. All data available on line at: http://ow.ly/uraY50ylvIi

Participants of the Coastal Change Hazards State of Our Nation’s Coast stakeholder engagement workshop at the Waquoit Bay National Estuarine Reserve in Falmouth, MA. Participants are pictured here talking in small groups.

It took all of the auger flight plus a little to get through ice to the creek. Collecting sample no. 238 from Muddy Ck nr Shoshoni. Monthly samples create a data set that can be used to describe water quality during different seasons and over time.

A group of participants at the Coastal Change Hazards State of Our Nation’s Coast stakeholder engagement workshop at the Waquoit Bay National Estuarine Reserve in Falmouth, MA. Here participants are pictured writing the names of tools they use on sticky notes.

USGS gage 02171000 Lake Marion Near Pineville, SC

This is Hydrographer Mark Spindler performing a winter time discharge measurement at USGS stream gage 09304800 White River Below Meeker, CO. Discrete water quality samples were also collected.

This image is a cropped rendition of  two aerial images that demonstrate satellite-derived cyanobacteria concentrations in surface waters from an area in Florida.

U.S. Geological Survey booth at the exhibition hall of the 2020 Esri Federal GIS Conference.

USGS marine engineering technician Dan Powers from the USGS Pacific Coastal and Marine Science Center retrieves the GOMEX box corer from Bellingham Bay, Washington.

Two USGS employees (Bart Dengel, and Joseph Crissup) conducting an under-ice ADCP discharge measurement near USGS stream gage station 15214000.

Maps displaying the spatial-temporal variability in the NPPSD 3.0 dataset