NASA Responds to California Drought|
March 4, 2014 | NASA
“The severity of California’s current drought is illustrated in these images of Folsom Lake, a reservoir in Northern California located 25 miles (40 kilometers) northeast of Sacramento.” Quoted from the NASA image release.
Image Credit: California Department of Water Resources
Hunting Landslides in Alaska|
March 2, 2014 | Wired Science
“You might think it’d be hard not to notice 68 million tons of rock and debris suddenly crashing down a mountainside. But when one of the biggest landslides of the past four years occurred in a remote region of Alaska, researchers knew almost everything about it except its exact location.” Quoted from Adam Mann’s blog post on Wired Science.
Great Lakes Ice Cover at 85.2 Percent|
February 23, 2014 | NOAA
In mid-February the Great Lakes total ice cover was at 85.2% and moving towards the record of 94.7% set in 1979. The maximum 2012 ice cover was 38.4%.
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February 20, 2014 | MyTopo.com
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Calderas on the Chiltepe Peninsula|
February 18, 2014 | NASA Earth Observatory
The Chiltepe Peninsula extends into the waters of Lake Managua, Nicaragua. It is part of an ignimbrite shield with two calderas produced from the ejecta of numerous volcanic eruptions.
Underwater Eruption from Space|
February 16, 2014 | NASA Earth Observatory
“Kavachi is an undersea volcano on the southern edge of the Solomon Islands in the western Pacific Ocean. It erupted dozens of times in the 20th century, often breaking the water surface, only to be eroded back below the water line within a few months.” Satellite view from NASA Earth Observatory.
Data for the California Drought from the Grace Satellite
February 11, 2014 | National Geographic
A national geographic article explains how data from NASA’s Grace satellite has been useful for understanding the California drought.
An Effort to Curb Flaring in the Bakken?|
February 9, 2014 | New York Times
An effort to curb natural gas flaring at Bakken Shale oil wells could result in a 40% increase in North Dakota natural gas output by the end of 2015.
Related: A collection of NASA satellite images that show natural gas being flaring at locations all over the world.
Evapotranspiration Measured from Space|
January 28, 2014 | NASA Earth Observatory
NASA’s Earth Observatory has an interesting image that demonstrates how they are able to measure geographic variations in evapotranspiration using satellite data. (Image of irrigated land from Idaho’s Snake River floodplain.
Steam Fog Streaming from the Great Lakes|
January 9, 2014 | NASA Earth Observatory
“A swirling mass of Arctic air moved south into the continental United States in early January 2014. On January 3, the air mass began breaking off from the polar vortex, a semi-permanent low-pressure system with a center around Canada’s Baffin Island. The frigid air was pushed south into the Great Lakes region by the jet stream, bringing abnormally cold temperatures to many parts of Canada and the central and eastern United States.
When the cold air passed over the relatively warm waters of Lake Michigan and Lake Superior, the contrast in temperatures created a visual spectacle. As cold, dry air moved over the lakes, it mixed with warmer, moister air rising off the lake surfaces, transforming the water vapor into fog—a phenomenon known as steam fog.” Quoted from NASA’s Earth Observatory.
Ash Plume at San Miguel|
January 1, 2014 | NASA Earth Observatory
Sunday’s explosive eruption at San Miguel Volcano in El Salvador produced a plume of ash captured by NASA in this satellite image.
NASA Hazard Warning Systems|
December 12, 2013 | NASA
“Scientists at NASA’s Jet Propulsion Laboratory, Pasadena, Calif., and Scripps Institution of Oceanography at UC San Diego have enhanced existing GPS technologies to develop new systems for California and elsewhere to warn of hazards from earthquakes, tsunamis and extreme weather events.” Quoted from the NASA press release.
Who Uses Landsat Images and Why|
December 4, 2013 | USGS
“To learn more about who uses Landsat imagery and the value these users see in Landsat imagery, the U.S. Geological Survey analyzed responses to a survey of more than 40,000 individuals who accessed free Landsat images from the archive at the USGS Earth Resources Observation and Science (EROS) Center. Quoted from the USGS press release.
NASA Launches Changing Earth iPad App
NASA Administrator Charles Bolden explores
NASA's new Images of Change iPad application.
Image credit: NASA/JPL
December 3, 2013 | NASA
“Human activities, a changing climate and natural disasters are rapidly altering the face of our planet. Now, with NASA’s Images of Change iPad application, users can get an interactive before-and-after view of these changes.” Quoted from the NASA press release.
Understanding Galapagos Volcanoes|
November 25, 2013 | USGS
“The chance transit of a satellite over the April 2009 eruption of Fernandina volcano — the most active in South America’s famed Galápagos archipelago — has revealed for the first time the mechanism behind the characteristic pattern of eruptive fissures on the island chain’s volcanoes.” Quoted from the USGS Newsroom.
Mapping Global Forest Losses and Gains|
November 20, 2013 | NASA
“The ravages of deforestation, wildfires, windstorms and insects on global forests during this century are revealed in unprecedented detail in a new study based on data from the NASA-U.S. Geological Survey Landsat 7 satellite.” Quoted from the NASA press release.
Typhoon Haiyan Before and After Satellite Images|
November 18, 2013 | The Telegraph
The Telegraph has a collection of before and after slider images of sites in the Philippines that show damage caused by Typhoon Haiyan.
Understanding Galapagos Volcanoes|
October 31, 2013 | USGS
“The chance transit of a satellite over the April 2009 eruption of Fernandina volcano — the most active in South America’s famed Galápagos archipelago — has revealed for the first time the mechanism behind the characteristic pattern of eruptive fissures on the island chain’s volcanoes.”
Natural Gas Flaring from Space|
October 30, 2013 | Geology.com
We have posted views of Earth from NASA’s Suomi satellite that show night illumination and natural gas flaring for oil industry sites in the Bakken Formation, Eagle Ford Shale, Alaska North Slope, United States Gulf, Mexican Gulf, Venezuela Orinoco Field, Brazil offshore basins, North Sea, North Africa onshore, west Africa offshore, and Persian Gulf.
NASA Satellites Image Mud Volcano
September 29, 2013 | NASA
“On September 26, 2013, the Advanced Land Imager captured an image of a new island off the coast of Pakistan. The “mud island” rose from the seafloor near Gwadar on September 24, shortly after a magnitude 7.8 earthquake rattled the Balochistan province of northwestern Pakistan.” Quoted from the NASA press release.
See the NBC News report with a ground photo here.
Satellite Image of Colorado Flooding|
September 19, 2013 | NASA Earth Observatory
“Though water levels on the South Platte River near Greeley, Colorado, were receding, muddy brown floods still spread along the river’s path on September 17, 2013, when [...] the Landsat 8 satellite acquired this image. At the time, the river was more than six feet above flood stage, down from more than eight feet above flood stage.” Quoted from the NASA Earth Observatory image release.
Satellite Image of Two Storms Hitting Mexico|
September 18, 2013 | NASA Earth Observatory
“With 5,800 miles of coastline surrounded by warm tropical and subtropical waters, Mexico is no stranger to tropical storms. But on September 15-16, 2013, the country experienced a rare double strike as two storms moved ashore simultaneously, one from the Pacific and one from the Atlantic.” Quoted from the Earth Observatory image release.
Wildfires and Dust Storm in Argentina|
September 18, 2013 | NASA Earth Observatory
NASA Earth Observatory has satellite images of forest fire smoke and dust from a dry saline lake bed being carried by the wind.
Huge Crater in Antarctic Ice|
September 16, 2013 | European Space Agency
“ESA’s CryoSat satellite has found a vast crater in Antarctica’s icy surface. Scientists believe the crater was left behind when a lake lying under about 3 km of ice suddenly drained.” Quoted from the ESA press release.
Deadly Pyroclastic Flow at Paluweh|
September 5, 2013 | NASA Earth Observatory
Paluweh Volcano in Indonesia has been erupting since late 2012 with most of the debris and ash flowing to the south side of the volcano. In August a pyroclastic flow went down the north side of the volcano, killing five people. NASA’s Earth Observatory has before and after satellite images of the island.