Entries for the ‘Earth Sciences’ Category

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New Solar Prediction System Gives Time to Prepare for the Storms Ahead

ScienceDaily (Sep. 1, 2010) — A new method of predicting solar storms that could help to avoid widespread power and communications blackouts costing billions of pounds has been launched by researchers at the University of Bradford. Solar storms involve the release of huge amounts of hot gas and magnetic forces from the surface of the [...]

Arctic ice: Less than meets the eye

The ice may not retreat as much as feared this year, but what remains may be more rotten than robust The CCGS Amundsen makes light work of unexpectedly thin ice (Image: Paul Nicklen/National Geographic/Getty) 2 more images LAST September, David Barber was on board the Canadian icebreaker CCGS Amundsen (pictured), heading into the Beaufort Sea, [...]

A Decade of Studying the Earth’s Magnetic Shield, in 3-D

This is the Cluster spacecraft flying in formation. (Credit: UCL) ScienceDaily (Aug. 31, 2010) — Space scientists around the world are celebrating ten years of ground-breaking discoveries by 'Cluster', a mission that is illuminating the mysteries of the magnetosphere, the northern lights and the solar wind. Cluster is a European Space Agency mission, launched in [...]

Marine Animals Suggest Evidence for a Trans-Antarctic Seaway

Bryozoans take many different forms, some of which are shown here. All of these occur on Southern Ocean continental shelves. (Credit: Image courtesy of British Antarctic Survey) ScienceDaily (Aug. 31, 2010) — A tiny marine filter-feeder, that anchors itself to the sea bed, offers new clues to scientists studying the stability of the West Antarctic [...]

Indonesian volcano erupts again, many evacuated

Mount Sinabung volcano spews smoke as seen from Bekerah village in the district of Tanah Karo in Indonesia's North Sumatra province August 30, 2010. The Indonesian volcano that erupted for the first time in centuries on Sunday spewed fresh plumes of smoke early on Monday morning, causing panic in nearby villages and delaying local flights, [...]

Sewage Could Spawn Hurricane Protection, Wetland Growth in New Orleans

Bayou Bienvenue Photograph by Tasha Eichenseher, National Geographic Standing among the overgrown lots and derelict homes of New Orleans’ Lower Ninth Ward, it is hard to imagine that the wetland abutting this neighborhood used to be a fisherman’s paradise, houseboat community, and retreat destination. Bayou Bienvenue is now a degraded 30,000-acre swampy wasteland confined by [...]

From outer space, a new dilemma for old-growth forests

WASHINGTON — A new study using laser pulses shot from satellites has found that the world's tallest forests are those along the Pacific Northwest coast. Though the findings shouldn't shock anyone who grew up in the region, they offer another indication of how important these ancient trees eventually could become. The temperate forests of Douglas [...]

Colombia’s Galeras erupts, evacuation ordered

(Reuters) – Colombia's Galeras Volcano erupted on Wednesday, forcing authorities to order the evacuation of thousands, but only a few residents trickled from nearby villages to shelters, officials said. Seated in Colombia's Andes near the frontier with Ecuador, Galeras coughed ash over neighboring towns. Authorities reported no injuries or damage after the latest eruption. Around [...]

North American Continent Is a Layer Cake, Scientists Discover

This graphic shows the thickness (in kilometers) of the North American lithosphere. The blue area is about 250 km thick and, based on new findings reported in Nature, is composed of a 3-billion-year old craton underlain by younger lithosphere deposited as ocean floor subducted under the continent within the past billion years. The green, yellow [...]

Making an Explosive Double Date With Russian Volcanoes

Gorely Crater. (Credit: Agnes Samper) ScienceDaily (Aug. 25, 2010) — Two French scientists are travelling to one of the remotest places on Earth, the Kamchatka peninsula, to piece together the complex life story of two volcanoes. Kamchatka is one of the most volcanically active places on Earth. It is part of the Ring of Fire [...]

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