Staudinger with Abigail Archer (Woods Hole Sea Grant and Cape Cod Cooperative Extension) and Jonathan Franklin (Harvard University) tagging adult alewife for a passage study looking at pre- and post movements after a dam removal at Town Brook in Plymouth, Massachusetts.
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Staudinger tagging alewife
Staudinger with Abigail Archer (Woods Hole Sea Grant and Cape Cod Cooperative Extension) and Jonathan Franklin (Harvard University) tagging adult alewife for a passage study looking at pre- and post movements after a dam removal at Town Brook in Plymouth, Massachusetts.
Assessing the distribution and habitat needs of the least darter
Assessing the distribution and habitat needs of the least darterIsolated populations may benefit from different conservation and management activities. The least darter is a species of conservation concern that has two isolated populations occupying parts of the Arbuckle Mountain and Ozark Highlands ecoregions.
Assessing the distribution and habitat needs of the least darter
Assessing the distribution and habitat needs of the least darterIsolated populations may benefit from different conservation and management activities. The least darter is a species of conservation concern that has two isolated populations occupying parts of the Arbuckle Mountain and Ozark Highlands ecoregions.
Repeated overflows onto the Halema‘uma‘u crater floor (April 27, 2018)
Repeated overflows onto the Halema‘uma‘u crater floor (April 27, 2018)This time-lapse video from 7:30 p.m. April 25 to 7:30 p.m. April 26 shows Halema‘uma‘u lava lake producing intermittent overflows onto the crater floor. The largest of these flows was from approximately 6:15 a.m. to 10:30 a.m. on April 26 and covered about 90 acres (2/3) of the crater floor.
Repeated overflows onto the Halema‘uma‘u crater floor (April 27, 2018)
Repeated overflows onto the Halema‘uma‘u crater floor (April 27, 2018)This time-lapse video from 7:30 p.m. April 25 to 7:30 p.m. April 26 shows Halema‘uma‘u lava lake producing intermittent overflows onto the crater floor. The largest of these flows was from approximately 6:15 a.m. to 10:30 a.m. on April 26 and covered about 90 acres (2/3) of the crater floor.
A busy time at Kīlauea's summit and ERZ
Night view of Kīlauea Volcano's summit lava lake from April 24, 2018, while lava from the lake overflow was spreading westward (to the right in the picture) from the Overlook Vent. USGS photo from the Hawai‘i Volcanoes National Park Jaggar Overlook by M. Patrick.
Night view of Kīlauea Volcano's summit lava lake from April 24, 2018, while lava from the lake overflow was spreading westward (to the right in the picture) from the Overlook Vent. USGS photo from the Hawai‘i Volcanoes National Park Jaggar Overlook by M. Patrick.
Implications of Changing Winter Severity for Waterfowl
Kīlauea Volcano - April 26th, 2018
Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.
Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.
National Liaison Committee Meeting: Harmful Algal Blooms (HABs)
National Liaison Committee Meeting: Harmful Algal Blooms (HABs)In this video, three speakers explain U.S. Geological Survey research on harmful algal blooms (HABs) and the nutrients that cause these toxic emerald-green blooms in the Nation’s lakes, reservoirs, and coastal waters.
National Liaison Committee Meeting: Harmful Algal Blooms (HABs)
National Liaison Committee Meeting: Harmful Algal Blooms (HABs)In this video, three speakers explain U.S. Geological Survey research on harmful algal blooms (HABs) and the nutrients that cause these toxic emerald-green blooms in the Nation’s lakes, reservoirs, and coastal waters.
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018, while lava from the lake overflow was spreading westward (to the right in the picture) from the Overlook Vent. USGS photo from the Hawai‘i Volcanoes National Park Jaggar Overlook
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018, while lava from the lake overflow was spreading westward (to the right in the picture) from the Overlook Vent. USGS photo from the Hawai‘i Volcanoes National Park Jaggar Overlook
PubTalk 4/2018 - Coral Reefs
Title: The Role of U.S. Coral Reefs in Coastal Protection - Rigorously valuing flood reduction benefits to inform coastal zone management decisions
Title: The Role of U.S. Coral Reefs in Coastal Protection - Rigorously valuing flood reduction benefits to inform coastal zone management decisions
Rising Lava Lake
Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.
Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.
Vigorous overflows from Kīlauea's summit lava lake covered a large ...
Vigorous overflows from Kīlauea's summit lava lake covered a large ...Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.
Vigorous overflows from Kīlauea's summit lava lake covered a large ...
Vigorous overflows from Kīlauea's summit lava lake covered a large ...Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.
Atoll-island groundwater
Conceptual diagram showing impact of sea-level rise and wave-driven flooding on atoll-island groundwater. (A) Current sea level. (B) Future sea level. Sea-level rise will allow for greater wave heights (H) and wave-driven runup (R), resulting in frequent overwash that will contaminate the atoll island’s freshwater lens. Note: Heights are exaggerated.
Conceptual diagram showing impact of sea-level rise and wave-driven flooding on atoll-island groundwater. (A) Current sea level. (B) Future sea level. Sea-level rise will allow for greater wave heights (H) and wave-driven runup (R), resulting in frequent overwash that will contaminate the atoll island’s freshwater lens. Note: Heights are exaggerated.
Can you hear me now?
Steve Suttles (USGS) uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating at the end of the deployment.
Steve Suttles (USGS) uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating at the end of the deployment.
Changes in Earth's Gravity Reveal Changes in Groundwater Storage
Changes in Earth's Gravity Reveal Changes in Groundwater StorageDid you know that changes in the amount of water in aquifers cause small changes in Earth’s gravitational field? When the amount of groundwater in an aquifer changes, either by recharge or by discharge to surface water or wells, the gravitational acceleration at the land surface also changes.
Changes in Earth's Gravity Reveal Changes in Groundwater Storage
Changes in Earth's Gravity Reveal Changes in Groundwater StorageDid you know that changes in the amount of water in aquifers cause small changes in Earth’s gravitational field? When the amount of groundwater in an aquifer changes, either by recharge or by discharge to surface water or wells, the gravitational acceleration at the land surface also changes.
Garretson School Second Graders
A group of second-graders from the Garretson School District in Garretson, South Dakota pose for a photo at the Earth Resources Observation and Science Center near Sioux Falls, SD.
A group of second-graders from the Garretson School District in Garretson, South Dakota pose for a photo at the Earth Resources Observation and Science Center near Sioux Falls, SD.
Intermittent Lava Flows on Crater Floor
On Kīlauea Volcano's summit, the Halema‘uma‘u lava lake's high standing lake level produced intermittent overflows onto the crater floor. Smaller overflows and spattering have started to build a few discontinuous levees and a spatter cone around the lake margin, shown in these video clips taken from the lakes north and northeastern margin.
On Kīlauea Volcano's summit, the Halema‘uma‘u lava lake's high standing lake level produced intermittent overflows onto the crater floor. Smaller overflows and spattering have started to build a few discontinuous levees and a spatter cone around the lake margin, shown in these video clips taken from the lakes north and northeastern margin.
Kīlauea Volcano - April 25th, 2018
On Kīlauea Volcano's summit, the Halema‘uma‘u lava lake's high standing lake level produced intermittent overflows onto the crater floor.
On Kīlauea Volcano's summit, the Halema‘uma‘u lava lake's high standing lake level produced intermittent overflows onto the crater floor.
Red River at Oslo, MN (Streamgage 05083500)
USGS Hydrologic Technician Dan Thomas preparing to measure discharge using an acoustic doppler current profiler (ADCP) with a manned boat on the Red River at Oslo, MN (streamgage 05083500) on April 25, 2018. The ADCP measures water currents with sound, using a principle of sound waves called the Doppler effect.
USGS Hydrologic Technician Dan Thomas preparing to measure discharge using an acoustic doppler current profiler (ADCP) with a manned boat on the Red River at Oslo, MN (streamgage 05083500) on April 25, 2018. The ADCP measures water currents with sound, using a principle of sound waves called the Doppler effect.
Time-Lapse Showing Lava Lake Flows
This time-lapse video from 7:30 p.m. April 25 to 7:30 p.m. April 26 shows Halema‘uma‘u lava lake producing intermittent overflows onto the crater floor. The largest of these flows was from approximately 6:15 a.m. to 10:30 a.m. on April 26 and covered about 90 acres (2/3) of the crater floor.
This time-lapse video from 7:30 p.m. April 25 to 7:30 p.m. April 26 shows Halema‘uma‘u lava lake producing intermittent overflows onto the crater floor. The largest of these flows was from approximately 6:15 a.m. to 10:30 a.m. on April 26 and covered about 90 acres (2/3) of the crater floor.
USGS Denver Federal Center Building 25 Entrance
USGS Denver Federal Center Building 25 Entrance
USGS Denver Federal Center Building 25 Entrance
Aerial view of the Pu‘u ‘Ō‘ō crater
Aerial view of the Pu‘u ‘Ō‘ō crater (approximately 220 m or 720 ft wide) from April 23, 2018, following weeks of steady inflation and uplift of crater floor. View is to the southeast with lava flows of the Episode 61g flow field in the distance behind Pu‘u ‘Ō‘ō .
Aerial view of the Pu‘u ‘Ō‘ō crater (approximately 220 m or 720 ft wide) from April 23, 2018, following weeks of steady inflation and uplift of crater floor. View is to the southeast with lava flows of the Episode 61g flow field in the distance behind Pu‘u ‘Ō‘ō .