(A) Underneath the β-layer of the epidermis is an accumulation of hypereosinophilic necrotic debris. The remaining epidermis is extensively ulcerated.
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Histology of snake fungal disease
(A) Underneath the β-layer of the epidermis is an accumulation of hypereosinophilic necrotic debris. The remaining epidermis is extensively ulcerated.
Dissolved organic/inorganic carbon analyzer (DOC/DIC)
Dissolved organic/inorganic carbon analyzer (DOC/DIC)Dissolved organic/inorganic carbon analyzer (DOC/DIC)
Dissolved organic/inorganic carbon analyzer (DOC/DIC)
Dissolved organic/inorganic carbon analyzer (DOC/DIC)Dissolved organic/inorganic carbon analyzer (DOC/DIC)
Eyes on Earth Episode 6 - Satellites 101
How much does an Earth observation satellite weigh? How are they launched? How fast does it travel? Does Landsat have a gas tank? In this episode of Eyes on Earth, we answer some of the basic questions surrounding the satellites that define the EROS mission.
How much does an Earth observation satellite weigh? How are they launched? How fast does it travel? Does Landsat have a gas tank? In this episode of Eyes on Earth, we answer some of the basic questions surrounding the satellites that define the EROS mission.
Fall day at Neversink River at Neversink, NY 01436000
Fall day at Neversink River at Neversink, NY 01436000Fall day at Neversink River at Neversink, NY 01436000
Fall day at Neversink River at Neversink, NY 01436000
Fall day at Neversink River at Neversink, NY 01436000Fall day at Neversink River at Neversink, NY 01436000
Inductively Coupled Plasma Spectrophotometer for cation analyses
Inductively Coupled Plasma Spectrophotometer for cation analysesInductively Coupled Plasma Spectrophotometer for cation analyses (ICP-OES)
Inductively Coupled Plasma Spectrophotometer for cation analyses
Inductively Coupled Plasma Spectrophotometer for cation analysesInductively Coupled Plasma Spectrophotometer for cation analyses (ICP-OES)
Mauna Loa sulphur cone
Sulphur Cone (left), viewed toward southwest, from 3,480 m (11,420 ft) above sea level on Mauna Loa’s southwest rift zone. At right, an HVO geoscientist and technician rebuild volcanic gas monitoring equipment installed near an outgassing fissure.
Sulphur Cone (left), viewed toward southwest, from 3,480 m (11,420 ft) above sea level on Mauna Loa’s southwest rift zone. At right, an HVO geoscientist and technician rebuild volcanic gas monitoring equipment installed near an outgassing fissure.
NOAA ship Reuben Lasker
NOAA ship Reuben Lasker docked in San Francisco with the Bay Bridge in the distance. On October 21, leadership from NOAA, USGS, and BOEM met with the scientists and crew of the EXPRESS expedition to learn about the multi-agency cooperative research campaign.
NOAA ship Reuben Lasker docked in San Francisco with the Bay Bridge in the distance. On October 21, leadership from NOAA, USGS, and BOEM met with the scientists and crew of the EXPRESS expedition to learn about the multi-agency cooperative research campaign.
Adam Sperry sampling water at Pine Creek
Photo Contest Winner | Dec. 2019 | USGS at Work
Adam Sperry sampling water at Pine Creek in PA
Photo Contest Winner | Dec. 2019 | USGS at Work
Adam Sperry sampling water at Pine Creek in PA
Timelapse video of the water pond at Kīlauea summit
Timelapse video of the water pond at Kīlauea summitThis timelapse video covers 1.5 hours and shows the motion of the water surface at the summit of Kīlauea. Along the shoreline, areas of apparent water influx are visible, often with a slightly greener color. Shifting steam on the surface attests to the high temperature of the water and the winds at the bottom of the crater.
Timelapse video of the water pond at Kīlauea summit
Timelapse video of the water pond at Kīlauea summitThis timelapse video covers 1.5 hours and shows the motion of the water surface at the summit of Kīlauea. Along the shoreline, areas of apparent water influx are visible, often with a slightly greener color. Shifting steam on the surface attests to the high temperature of the water and the winds at the bottom of the crater.
Fires in Lebanon
Wildfires burned across Lebanon in mid-October 2019. A pair of images taken just 10 days apart by the European Space Agency's Sentinel-2A satellite show the burn scar from one of the larger wildfires.
Wildfires burned across Lebanon in mid-October 2019. A pair of images taken just 10 days apart by the European Space Agency's Sentinel-2A satellite show the burn scar from one of the larger wildfires.
In Kīlauea's lower East Rift Zone, a closed chamber was used to measure the
In Kīlauea's lower East Rift Zone, a closed chamber was used to measure theIn Kīlauea's lower East Rift Zone, a closed chamber was used to measure the rate of CO2 emitted directly from the ground near a crack emitting steam. USGS scientists continue to track changes in Kīlauea's lower East Rift Zone after last year's eruption. USGS image by P. Nadeau.
In Kīlauea's lower East Rift Zone, a closed chamber was used to measure the
In Kīlauea's lower East Rift Zone, a closed chamber was used to measure theIn Kīlauea's lower East Rift Zone, a closed chamber was used to measure the rate of CO2 emitted directly from the ground near a crack emitting steam. USGS scientists continue to track changes in Kīlauea's lower East Rift Zone after last year's eruption. USGS image by P. Nadeau.
Initial Observations of Cypress Structure Collapse, Oakland, CA 1989
Initial Observations of Cypress Structure Collapse, Oakland, CA 1989Retrospective interview with USGS Geophysicist Susan Hough about the collapse of the Nimitz Freeway (known as the Cypress Structure) in Oakland, CA, during the October 17, 1989 Loma Prieta Earthquake and how the first responders reacted to the event.
Initial Observations of Cypress Structure Collapse, Oakland, CA 1989
Initial Observations of Cypress Structure Collapse, Oakland, CA 1989Retrospective interview with USGS Geophysicist Susan Hough about the collapse of the Nimitz Freeway (known as the Cypress Structure) in Oakland, CA, during the October 17, 1989 Loma Prieta Earthquake and how the first responders reacted to the event.
Klamath River mouth
A view of the mouth of the Klamath River where it meets the Pacific Ocean in northern California. The river runs from Oregon to California. Four dams along the Klamath are pending removal. USGS is studying coastal watershed response to dam removal, including long-term before-after/control-impact (BACI) studies.
A view of the mouth of the Klamath River where it meets the Pacific Ocean in northern California. The river runs from Oregon to California. Four dams along the Klamath are pending removal. USGS is studying coastal watershed response to dam removal, including long-term before-after/control-impact (BACI) studies.
Looking southwest from the north side of Kettle Lake 2
Looking southwest from the north side of Kettle Lake 2Looking southwest from the north side of Kettle Lake 2
Looking southwest from the north side of Kettle Lake 2
Looking southwest from the north side of Kettle Lake 2Looking southwest from the north side of Kettle Lake 2
Research vessel on Kettle Lake 3
Research vessel with bathymetric surveying equipment andU.S. Geological Survey hydrologist on Kettle Lake 3.
Research vessel with bathymetric surveying equipment andU.S. Geological Survey hydrologist on Kettle Lake 3.
Sight Response and Cypress Structure Collapse, Oakland, CA 1989
Sight Response and Cypress Structure Collapse, Oakland, CA 1989Retrospective interview with USGS Geophysicist Susan Hough about her early earthquake work during the 1989 Loma Prieta earthquake. The interview covers how the Cypress Structure collapse in Oakland, CA, served as a site response study for seismic research.
Sight Response and Cypress Structure Collapse, Oakland, CA 1989
Sight Response and Cypress Structure Collapse, Oakland, CA 1989Retrospective interview with USGS Geophysicist Susan Hough about her early earthquake work during the 1989 Loma Prieta earthquake. The interview covers how the Cypress Structure collapse in Oakland, CA, served as a site response study for seismic research.
The Great California ShakeOut (2019) Role Play Exercise - Biola Univ.
The Great California ShakeOut (2019) Role Play Exercise - Biola Univ.Each year the State of California promotes a ShakeOut event where local citizens practice earthquake response and preparedness. This video shows footage from the 2019 Great California ShakeOut, which was hosted at Biola University in La Mirenda, CA. Video includes footage of the initial ShakeAlert announcement that blared across campus.
The Great California ShakeOut (2019) Role Play Exercise - Biola Univ.
The Great California ShakeOut (2019) Role Play Exercise - Biola Univ.Each year the State of California promotes a ShakeOut event where local citizens practice earthquake response and preparedness. This video shows footage from the 2019 Great California ShakeOut, which was hosted at Biola University in La Mirenda, CA. Video includes footage of the initial ShakeAlert announcement that blared across campus.
Thermal imaging for fire research
Use of thermal imaging helps researchers to understand the relationship of fuels and fire effects, Valles Caldera National Preserve, New Mexico, 2019.
Use of thermal imaging helps researchers to understand the relationship of fuels and fire effects, Valles Caldera National Preserve, New Mexico, 2019.
USGS gage 10351600 Truckee River Below Derby Dam near Wadsworth, NV
USGS scientists measured gases in an area uprift of the 2018 fissure system on N
USGS scientists measured gases in an area uprift of the 2018 fissure system on NUSGS scientists measured gases in an area uprift of the 2018 fissure system on November 8. In this area, vegetation has died because of lingering heat and steam. In some areas of Kīlauea's lower East Rift Zone, residents report smelling gases that are likely generated by decaying organic matter rather than magma degassing. USGS image by P. Nadeau.
USGS scientists measured gases in an area uprift of the 2018 fissure system on N
USGS scientists measured gases in an area uprift of the 2018 fissure system on NUSGS scientists measured gases in an area uprift of the 2018 fissure system on November 8. In this area, vegetation has died because of lingering heat and steam. In some areas of Kīlauea's lower East Rift Zone, residents report smelling gases that are likely generated by decaying organic matter rather than magma degassing. USGS image by P. Nadeau.
USGS scientists monitor gases on Kīlauea's lower East Rift Zone
USGS scientists monitor gases on Kīlauea's lower East Rift ZoneOn November 8, 2019, USGS volcano scientists visited Kīlauea's Lower East Rift Zone to measure ambient gases, as well as the soil carbon dioxide (CO2) flux and temperature. This photo, looking in a southeast direction, shows some steaming uprift of the 2018 fissure system.
USGS scientists monitor gases on Kīlauea's lower East Rift Zone
USGS scientists monitor gases on Kīlauea's lower East Rift ZoneOn November 8, 2019, USGS volcano scientists visited Kīlauea's Lower East Rift Zone to measure ambient gases, as well as the soil carbon dioxide (CO2) flux and temperature. This photo, looking in a southeast direction, shows some steaming uprift of the 2018 fissure system.