From California to Cambodia - Surface Water Mapping Using Cloud-Based Remote Sensing (by Christopher Soulard, USGS Research Geographer)
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PubTalk 2/2020 — From California to Cambodia
From California to Cambodia - Surface Water Mapping Using Cloud-Based Remote Sensing (by Christopher Soulard, USGS Research Geographer)
Timelapse of water rising in Halema‘uma‘u
This timelapse sequence shows the water pond in Halema‘uma‘u Crater, at Kīlauea's summit, between November 1, 2019, and March 26, 2020. Over this time the water level rose approximately 14 meters (46 feet), equivalent to 67 cm (about 2 feet) per week. The timelapse shows one image per day (with a few cloudy images removed), and is looped several times.
This timelapse sequence shows the water pond in Halema‘uma‘u Crater, at Kīlauea's summit, between November 1, 2019, and March 26, 2020. Over this time the water level rose approximately 14 meters (46 feet), equivalent to 67 cm (about 2 feet) per week. The timelapse shows one image per day (with a few cloudy images removed), and is looped several times.
Chesapeake Bay Elevation-derived Hydrography
National Hydrography Advisory Call:
Davina Passeri presents poster about coastal change research
Davina Passeri presents poster about coastal change researchDavina Passeri of the St. Petersburg Coastal and Marine Science Center presents a poster about coastal change research in Dauphin Island, Alabama at the USGS Southeast Regional Meeting in February 2020.
Davina Passeri presents poster about coastal change research
Davina Passeri presents poster about coastal change researchDavina Passeri of the St. Petersburg Coastal and Marine Science Center presents a poster about coastal change research in Dauphin Island, Alabama at the USGS Southeast Regional Meeting in February 2020.
Ilsa Kuffner presents a poster on coral research
Ilsa Kuffner speaks to a group at the USGS Southeast Regional Meeting in February 2020 about coral research conducted by the St. Petersburg Coastal and Marine Science Center
Ilsa Kuffner speaks to a group at the USGS Southeast Regional Meeting in February 2020 about coral research conducted by the St. Petersburg Coastal and Marine Science Center
Lidar Surface Water in Stormwater Network; Updated DC Watersheds
Lidar Surface Water in Stormwater Network; Updated DC WatershedsNational Hydrography Advisory Call:
Lidar Surface Water in Stormwater Network; Updated DC Watersheds
Lidar Surface Water in Stormwater Network; Updated DC WatershedsNational Hydrography Advisory Call:
Eyes on Earth Episode 17 - Evapotranspiration
It’s easy enough to measure rainfall, and nearly as easy to measure streamflow. Calculating the efficiency of water use through the metric of evapotranspiration (ET) – evaporation off the Earth’s surface and transpiration from the leaves of plants – is a far trickier proposal.
It’s easy enough to measure rainfall, and nearly as easy to measure streamflow. Calculating the efficiency of water use through the metric of evapotranspiration (ET) – evaporation off the Earth’s surface and transpiration from the leaves of plants – is a far trickier proposal.
Field equipment for bathymetric and topographic surveys
Field equipment for bathymetric and topographic surveysField equipment used by USGS Pacific Coastal and Marine Science Center scientists for bathymetric and topographic surveys in the Sacramento-San Joaquin Delta, California
Field equipment for bathymetric and topographic surveys
Field equipment for bathymetric and topographic surveysField equipment used by USGS Pacific Coastal and Marine Science Center scientists for bathymetric and topographic surveys in the Sacramento-San Joaquin Delta, California
Sediment laboratory at St. Petersburg Coastal & Marine Science Center
Sediment laboratory at St. Petersburg Coastal & Marine Science CenterThe USGS St. Petersburg Coastal and Marine Science Center strives to provide timely, robust science using modern methods and state-of-the-art technologies. This involves keeping our facilities and equipment updated.
Sediment laboratory at St. Petersburg Coastal & Marine Science Center
Sediment laboratory at St. Petersburg Coastal & Marine Science CenterThe USGS St. Petersburg Coastal and Marine Science Center strives to provide timely, robust science using modern methods and state-of-the-art technologies. This involves keeping our facilities and equipment updated.
USGS Erosion Simulation Video
This video demonstrates a simulation of how storms can impact sandy coastlines through processes such as erosion. This demonstration is conducted at outreach events by scientists at the St. Petersburg Coastal and Marine Science Center. The activity can also be re-created at home or in the classroom.
This video demonstrates a simulation of how storms can impact sandy coastlines through processes such as erosion. This demonstration is conducted at outreach events by scientists at the St. Petersburg Coastal and Marine Science Center. The activity can also be re-created at home or in the classroom.
I-80 Underpass at Rawlins, WY
Hats off to the tireless efforts of WYDOT and county crews for all the plowing to get roads open so we can do our jobs.
Hats off to the tireless efforts of WYDOT and county crews for all the plowing to get roads open so we can do our jobs.
Road from Hanna to Elk Mountain
Hats off to the tireless efforts of WYDOT and county crews for all the plowing to get roads open so we can do our jobs.
Hats off to the tireless efforts of WYDOT and county crews for all the plowing to get roads open so we can do our jobs.
Drilling Holes on the Green River
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.
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.
Shoreline and dune-base forecast locations
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.
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.
Water, ash, and the great unknown of explosive volcanic eruptions
Water, ash, and the great unknown of explosive volcanic eruptionsScanning 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.
Water, ash, and the great unknown of explosive volcanic eruptions
Water, ash, and the great unknown of explosive volcanic eruptionsScanning 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.
Frozen Dinwoody Creek
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
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
Shannon Fisher pulling sled at Moreau Lake
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 | Feb. 2020 | People
Shannon Fisher pulling sled at Moreau Lake area after measuring water levels in GW wells surrounding the lake
Salt flat at Death Valley
Photo Contest Winner | March 2020 | USGS at Work
Salt flat at Death Valley
Photo Contest Winner | March 2020 | USGS at Work
Salt flat at Death Valley
Land Use Change (1934 - 2005), Anza Valley, CA
Land use change in the Anza Valley, CA from 1934 to 2005.
Land use change in the Anza Valley, CA from 1934 to 2005.
Map of the super gage site locations in Ohio, Kentucky, and Indiana
Map of the super gage site locations in Ohio, Kentucky, and IndianaMap of the super gage site locations in Ohio, Kentucky, and Indiana
Map of the super gage site locations in Ohio, Kentucky, and Indiana
Map of the super gage site locations in Ohio, Kentucky, and IndianaMap 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)
Answer: a GPS capable of accurately measuring elevations to within 10 cm (~4 in)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.
Answer: a GPS capable of accurately measuring elevations to within 10 cm (~4 in)
Answer: a GPS capable of accurately measuring elevations to within 10 cm (~4 in)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.