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New Study in Geology Uses Satellite Imagery to Identify Active Magma Systems in East Africa’s Rift Valley
“The Kenyan Rift volcanoes are part of a larger Great Rift Valley complex that extends all the way from Mozambique to Djibouti; their presence in East Africa attests to the presence of magma reservoir...
Earth Sciences |
Read moreOzone layer depletion levelling off
Scientists merged monthly total ozone data derived from the vertically downward-looking measurements of the GOME instrument on ESA’s ERS-2 satellite, SCIAMACHY on ESA’s Envisat and GOME-2 on the Europ...
Earth Sciences | Read moreESA campaign reveals glimpse of future Sentinel-3 imagery
For all new Earth observation missions, a crucial part of the development process, after defining and designing the instruments, is to assess the future performance of the sensors. In addition, the al...
Physics and Astronomy | Read moreEarth from Space: Hurricane Jimena
Around the time of the acquisition, Jimena had maximum sustained winds of nearly 250 km/h and was just short of being classified as a Category 5 storm – the highest danger rating for a hurricane on th...
Physics and Astronomy | Read moreEuropean satellites provide new insight into ozone-depleting chemical species
Despite the detection of bromine monoxide (BrO) in the atmosphere some 20 years ago, bromine nitrate (BrONO2) was first observed in 2008 when scientists from the Karlsruhe Institute of Technology disc...
Earth Sciences | Read moreSatellites help locate water in Niger
Due to the rainfall variability in time and in space, during recent years the rain-fed agriculture struggles to meet the requirements of food security in the Sahel area. ESA’s WADE (Water reso...
Ecology, The Environment and Conservation | Read moreResearchers use satellites to measure inland floods
Researchers used NASA's TOPEX/Poseidon satellite and the European Space Agency's ENVISAT satellite to measure the height and extent of flooding in North America, South America, and Asia....
Earth Sciences | Read moreESA satellites flying in formation
ERS-2, ESA’s veteran spacecraft, and Envisat, the largest environmental satellite ever built, both carry Synthetic Aperture Radar (SAR) instruments that provide high resolution images of the Earth...
Physics and Astronomy | Read moreESA satellites focusing on the Arctic
The policy highlights new opportunities in the region such as the opening up of long-sought transportation routes due to receding ice. However, it focuses on the need to carry out these activities in ...
Earth Sciences | Read moreArctic sea ice thinning at record rate
Using Envisat radar altimeter data, scientists from the Centre for Polar Observation and Modelling at University College London (UCL) measured sea ice thickness over the Arctic from 2002 to 2008 and f...
Earth Sciences | Read moreArctic sea ice is getting thinner as well as receding
Up until last winter, the thickness of Arctic sea ice showed a slow downward trend during the previous five winters, but after the summer 2007 record low extent, the thickness of the ice also nose-div...
Earth Sciences | Read moreArctic sea ice annual freeze-up underway
This year marked the first time since satellite measurements began in the 1970s that the Northern Sea Route, also known as the Northeast Passage, and the Northwest Passage were both open at the same t...
Earth Sciences | Read moreKopernikus, observing our planet for a safer world
Europe is presenting Kopernikus at the forum as the second flagship of the European Space Policy following Galileo, the first flagship. The GMES 2008 forum is organised in the framework of the Europea...
Earth Sciences | Read moreHurricane Ike tracked by ESA’s Envisat
Knowing the strength and path of hurricanes is critical for issuing timely warnings. Earth observation (EO) satellites are key means of providing synoptic data on the forces that power the storm, such...
Earth Sciences | Read moreArctic ice on the verge of another all-time low
Envisat observations from mid-August depict that a new record of low sea-ice coverage could be reached in a matter of weeks. The animation above is a series of mosaics of the Arctic Ocean crea...
Earth Sciences | Read more
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