Cloud-top temperature simulation for Arctic Alaska
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WRF Model Output: Cloud-top Temperature Simulation
Cloud-top temperature simulation for Arctic Alaska
WRF Model Output: Surface Air Temperature Simulation
Surface air temperature simulation for Arctic Alaska
Surface air temperature simulation for Arctic Alaska
WRF Model Output: Total Precipitation Simulation
Total precipitation simulation for Arctic Alaska
Total precipitation simulation for Arctic Alaska
WRF Model Output: Total Precipitation Simulation
Total precipitation simulation for Arctic Alaska
Total precipitation simulation for Arctic Alaska
Black-necked Stilt Chick with Radio Telemetry Package
Birds found in and around the Salton Sea, California.
Birds found in and around the Salton Sea, California.
Passage of adult Atlantic salmon in the Penobscot River, Maine
Atlantic salmon runs in the Penobscot and Kennebec Rivers of Maine are federally endangered and remain low. Inefficient fishways at dams continue to slow and prevent upstream migrations to spawning habitat, and delays of weeks to months are common. These delays expose fish to elevated water temperatures, resulting in increased metabolic demands.
Atlantic salmon runs in the Penobscot and Kennebec Rivers of Maine are federally endangered and remain low. Inefficient fishways at dams continue to slow and prevent upstream migrations to spawning habitat, and delays of weeks to months are common. These delays expose fish to elevated water temperatures, resulting in increased metabolic demands.
Gas Pistons Within Drainhole Vent at Pu‘u ‘Ō‘ō
(June 2, 2006, 18:30:02 to June 3, 2006, 02:00:03) Gas-pistoning is an interesting phenomenon seen at Kīlauea and some other basalticvolcanoes. It is caused by the accumulation of gas near the top of the lava column within a volcanic vent (Swanson and others, 1979).
(June 2, 2006, 18:30:02 to June 3, 2006, 02:00:03) Gas-pistoning is an interesting phenomenon seen at Kīlauea and some other basalticvolcanoes. It is caused by the accumulation of gas near the top of the lava column within a volcanic vent (Swanson and others, 1979).
Gas-Pistoning at Drainhole Vent in Pu'u 'O'o Crater (June 3, 2006)
Gas-pistoning is an interesting phenomenon seen at Kilauea and other volcanoes. It is caused by the accumulation of gas within, or the rise of a gas slug through, a column of lava. In either case, the gas pushes up the overlying lava (the "piston"). Eventually, the gas breaches the surface and escapes, sometimes as a forceful jet of fume and spatter.
Gas-pistoning is an interesting phenomenon seen at Kilauea and other volcanoes. It is caused by the accumulation of gas within, or the rise of a gas slug through, a column of lava. In either case, the gas pushes up the overlying lava (the "piston"). Eventually, the gas breaches the surface and escapes, sometimes as a forceful jet of fume and spatter.
Gas-Pistoning at Drainhole Vent in Pu'u 'O'o Crater (June 3, 2006)
Gas-pistoning is an interesting phenomenon seen at Kilauea and other volcanoes. It is caused by the accumulation of gas within, or the rise of a gas slug through, a column of lava. In either case, the gas pushes up the overlying lava (the "piston"). Eventually, the gas breaches the surface and escapes, sometimes as a forceful jet of fume and spatter.
Gas-pistoning is an interesting phenomenon seen at Kilauea and other volcanoes. It is caused by the accumulation of gas within, or the rise of a gas slug through, a column of lava. In either case, the gas pushes up the overlying lava (the "piston"). Eventually, the gas breaches the surface and escapes, sometimes as a forceful jet of fume and spatter.
A day in the field
Resource professionals stand in the rain beside a mountain stream.
Resource professionals stand in the rain beside a mountain stream.
A flooded road in Highland County, Virginia.
Streamwater flowing over a rural road in Highland County, Virginia, June, 2006.
Streamwater flowing over a rural road in Highland County, Virginia, June, 2006.
Gas-Pistoning at Drainhole Vent in Pu'u 'O'o Crater (June 2-3, 2006)
Gas-pistoning is an interesting phenomenon seen at Kilauea and other volcanoes. It is caused by the accumulation of gas within, or the rise of a gas slug through, a column of lava. In either case, the gas pushes up the overlying lava (the "piston"). Eventually, the gas breaches the surface and escapes, sometimes as a forceful jet of fume and spatter.
Gas-pistoning is an interesting phenomenon seen at Kilauea and other volcanoes. It is caused by the accumulation of gas within, or the rise of a gas slug through, a column of lava. In either case, the gas pushes up the overlying lava (the "piston"). Eventually, the gas breaches the surface and escapes, sometimes as a forceful jet of fume and spatter.
Ground-penetrating Radar Survey (GPR)
USGS hydrologist conducts a ground-penetrating radar survey to investigate and characterize the shallow subsurface. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2006.
USGS hydrologist conducts a ground-penetrating radar survey to investigate and characterize the shallow subsurface. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2006.
Near-Surface Geophysics: Two-Dimensional Resistivity
USGS hydrologist conducts a two-dimensional (2D) resistivity survey to investigate and characterize the shallow subsurface. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2006.
USGS hydrologist conducts a two-dimensional (2D) resistivity survey to investigate and characterize the shallow subsurface. The survey was conducted as part of an applied research effort by the USGS Office of Groundwater Branch of Geophysics in 2006.
Bird Banding
Bird Banding - Elizabeth Sellers points out identification characteristics in the plumage of a male common yellowthroat to John P. Mosesso during a capture-recapture study at a Monitoring Avian Productivity and Survivorship (MAPS) program bird banding station.
Bird Banding - Elizabeth Sellers points out identification characteristics in the plumage of a male common yellowthroat to John P. Mosesso during a capture-recapture study at a Monitoring Avian Productivity and Survivorship (MAPS) program bird banding station.
Cloacal Swab Collection
Bird Banding Station - Master bird bander, David Mitchell, collects a cloacal swab sample from a gray catbird during a capture-recapture study at a Monitoring Avian Productivity and Survivorship (MAPS) program bird banding station. The sample will be tested for avian influenza and other diseases.
Bird Banding Station - Master bird bander, David Mitchell, collects a cloacal swab sample from a gray catbird during a capture-recapture study at a Monitoring Avian Productivity and Survivorship (MAPS) program bird banding station. The sample will be tested for avian influenza and other diseases.
Fern Lake Trailhead, Rocky Mountain National Park
A forested glade along the Fern Lake Trailhead in Rocky Mountain National Park.
A forested glade along the Fern Lake Trailhead in Rocky Mountain National Park.
Giant Panda (Ailuropoda melanoleuca)
Giant panda on grass. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Giant panda on grass. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Giant Panda (Ailuropoda melanoleuca)
Side view of giant panda. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Side view of giant panda. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Giant Panda (Ailuropoda melanoleuca)
Side view of giant panda. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Side view of giant panda. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Giant Panda (Ailuropoda melanoleuca)
Giant panda on rock. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.
Giant panda on rock. Mei Xiang is a female panda at the National Zoo in Washington D.C. She is being studied by scientists in efforts to save the endangered species.