Africa's ups and downs
The East African Rift is an area where two tectonic plates are moving apart, making it a region of high geological activity, home to a number of volcanoes.
View ArticleMapping the planet's ups and downs
(Phys.org) —Researchers at the University of Glasgow are using a new technique known as interferometric synthetic aperture radar (InSAR) to predict natural disasters around the world and manage their...
View ArticleVideo: Sentinel-1A radar deployment
Testing the deployment of the Sentinel-1A radar antenna (in fast motion) in the cleanroom at Thales Alenia Space in Cannes, France. As the satellite is designed to operate in orbit, it is hung from a...
View ArticleNASA completes radar study of Icelandic glacier winter movement
The cold of an Icelandic winter did not stop one NASA science aircraft from completing a mission to map glaciers on the island during the past week.
View ArticleNASA radar demonstrates ability to foresee sinkholes
(Phys.org) —New analyses of NASA airborne radar data collected in 2012 reveal the radar detected indications of a huge sinkhole before it collapsed and forced evacuations near Bayou Corne, La., that year.
View ArticleCharting Icelandic glacier dynamics
Mark Simons, professor of geophysics at Caltech, along with graduate student Brent Minchew, recently logged over 40 hours of flight time mapping the surface of Iceland's glaciers. Flying over two...
View ArticleNASA historic Earth images still hold research value
(Phys.org) —NASA's Seasat satellite became history long ago, but it left a legacy of images of Earth's ocean, volcanoes, forests and other features that were made by the first synthetic aperture radar...
View ArticleNASA radar watches over California's aging levees
One morning in 2008, research scientist Cathleen Jones of NASA's Jet Propulsion Laboratory in Pasadena, Calif., was flying over the San Andreas fault near San Francisco, testing a new radar instrument...
View ArticleNASA image: Volcanoes in Guatemala
This photo of volcanoes in Guatemala was taken from NASA's C-20A aircraft during a four-week Earth science radar imaging mission deployment over Central and South America. The conical volcano in the...
View ArticleSatellite view of volcanoes finds the link between ground deformation and...
(Phys.org) —Using satellite imagery to monitor which volcanoes are deforming provides statistical evidence of their eruption potential, according to a new study in Nature Communications.
View ArticleNASA airborne research focuses on Andean volcanoes
(Phys.org) —A NASA-developed airborne imager called a synthetic aperture radar took a detailed look at volcanoes in Central and South America during an Earth science study in late April and early May...
View ArticleTen year-old Dragon gains new strength
As ESA and China mark a decade of cooperation, imagery over China's Poyang lake is testament to the new Sentinel satellite's promise of continued radar data acquisition for a multitude of applications.
View ArticleWaterloo makes public most complete Antarctic map for climate research
The University of Waterloo has unveiled a new satellite image of Antarctica, and the imagery will help scientists all over the world gain new insight into the effects of climate change.
View ArticleSentinel-1 poised to monitor motion
Although it was only launched a few months ago and is still being commissioned, the new Sentinel-1A radar satellite has already shown that it can be used to generate 3D models of Earth's surface and...
View ArticleNASA radar system surveys Napa Valley quake area
NASA scientists are conducting an airborne survey of earthquake fault displacements in the Napa Valley area of Northern California using a sophisticated radar system developed by NASA's Jet Propulsion...
View ArticleUS-India to collaborate on Mars exploration
The United States and India, fresh from sending their own respective spacecraft into Mars' orbit earlier this month, on Tuesday agreed to cooperate on future exploration of the Red Planet.
View ArticleHeavy metal frost? A new look at a Venusian mystery
Venus is hiding something beneath its brilliant shroud of clouds: a first order mystery about the planet that researchers may be a little closer to solving because of a new re-analysis of...
View ArticleHundreds of ships go missing each year, but we have the technology to find them
The seas are vast. And they claim vessels in significant numbers. The yachts Cheeki Rafiki, Niña, Munetra, Tenacious are just some of the more high-profile names on a list of lost or capsized vessels...
View ArticleWhat's beneath Hawaii's most active volcano?
Step away from the villages and idyllic beaches of Hawaii, and you may think you've been transported to the moon. Walking along the lava flows of the Kilauea volcano, the landscape changes from a lush...
View ArticleSlight surface movements on the radar
Scientists are making advances in the use of satellite radar data – such as those from the Sentinel-1 mission – to monitor Earth's changing surface.
View ArticleSpace technology could reduce cost of renewable energy
Space-based radar technology could be harnessed by the renewable energy sector to drive down costs, according to academics at the University of Strathclyde.
View ArticleUsing radar satellites to study Icelandic volcanoes and glaciers
On August 16 of last year, Mark Simons, a professor of geophysics at Caltech, landed in Reykjavik with 15 students and two other faculty members to begin leading a tour of the volcanic, tectonic, and...
View ArticleNASA studies Louisiana's changing wetlands
NASA recently completed an intensive study of Louisiana Gulf Coast levees and wetlands, making measurements with three advanced imaging instruments on two research aircraft.
View ArticleNew atlas could help wind energy sweep across Great Lakes
By compiling meteorological wind data – derived from several sources – Cornell University and the Technical University of Denmark scientists have assembled the first full observational wind atlas of...
View ArticleDeserts and dunes—Earth as an analogue for Titan
By comparing radar images of areas on Titan to those of Earth's deserts, scientists have identified two distinct types of sand dune on Saturn's largest moon – and discovered eroded structures that...
View ArticleImage: NASA radar brings a new view of world heritage site
In just two 10-minute overflights, an airborne NASA synthetic aperture radar proved it could pinpoint areas of disturbance in Peru's Nasca lines World Heritage Site. The data collected on the two...
View ArticleNASA damage maps may help in future quakes
Nepal's magnitude 7.8 Gorkha earthquake caused significant damage and loss of life in 2015. In natural disasters like this, it is critical to locate areas that are in the most need of assistance as...
View ArticleNASA, partner space agencies measure forests in Gabon
A contingent of NASA airborne instruments and scientists on the ground has joined colleagues from space agencies in Gabon and Europe this month to study the dense African tropical forests in Gabon.
View ArticleNew study maps rate of New Orleans sinking
New Orleans and surrounding areas continue to sink at highly variable rates due to a combination of natural geologic and human-induced processes, finds a new NASA/university study using NASA airborne...
View ArticleNASA-produced maps help gauge Italy earthquake damage
A NASA-funded program provided valuable information for responders and groups supporting the recovery efforts for the Aug. 24, 2016, magnitude 6.2 earthquake that struck central Italy. The earthquake...
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