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icebergs in Medical News

Antarctic Icebergs Serve as 'hotspots' for Ocean Life

Antarctica's icebergs have a major impact on the ecology of the ocean around them, serving as 'hotspots' for ocean life, according to a new study by American researchers. The icebergs hold trapped terrestrial material, which they release far out at sea as they melt. This process produces a ...

Earth from Space: Splitting iceberg

...ed in relatively warm waters, making it highly likely that numerous smaller icebergs and ice islands will calve off the two icebergs. Several different pro...it of European citizens. ASAR is able to produce high-quality images of icebergs and ice sheets and is capable of differentiating between different types of...
icebergs in Biological News

Antarctic icebergs -- Hotspots of ocean life

Global climate change is causing Antarctic ice shelves to shrink and split apart, yielding thousands of free-drifting icebergs in the nearby Weddell Sea. According to a new study in this week’s journal Science these floating islands of ice – some as large as a dozen miles across – are having a maj...

Sediment yields climate record for past half-million years

...ast 130,000 years. As that ice sheet calved off icebergs into the Atlantic, Rashid said that the "dirty underbelly" of those icebergs carried gravel out into the ocean. As the bergs me...the ocean floor. The more debris present, the more icebergs had been released to carry it, meaning that the ic...

Satellite imagery shows fragile Wilkins Ice Shelf destabilized

... Satellite images show that icebergs have begun to calve from the northern front of the...24 April, the satellite data showed that the first icebergs had started to break away from the fragile ice she...discharge of ice will continue for some weeks. The icebergs are calving as a result of fracture zones that hav...

Lohafex provides new insights on plankton ecology

...e previous, natural blooms had already extracted all the silicic acid (the raw material of diatom shells). Iron sources for natural blooms are melting icebergs or terrestrial input from streams or via dust blown off Patagonia. Hence a major finding was that other algal groups, although stimulated by iron fert...

World's experts identify the hottest trends in biology and medicine

...1000, as well as identify emerging trends within the large F1000 database of articles. In this way, F1000 Reports spot the tips of some new scientific icebergs before they become apparent elsewhere. With so much new literature for scientists and clinicians to read, F1000 Reports are easy routes to the must-re...

LOHAFEX: An Indo-German iron fertilization experiment

... of the fertilized patch is considerably smaller than the impact of melting icebergs that may leave a swath of several hundred kilometers breadth of enhanced ir...e. The LOHAFEX patch will have a similar impact on the ecosystem as melting icebergs and is large enough to counteract the effects of dilution due to spreading ...

ESA satellites focusing on the Arctic

... oil and gas development and tourism, with further increases expected due to diminishing ice extent. The ice loss leads to an increasing number of icebergs in the area. Safe and efficient navigation through these ice-infested waters requires accurate, up-to-date sea ice information. Iceberg detection serv...

May 14 AAAS Lecture and videoteleconference on artworks by Siberian schoolchildren

... with scientists who study Arctic rivers. Climate changes in the Arctic, including melting permafrost in Siberia, flooding in Alaska and dissolving icebergs in Norway, are providing early warning of the potential impact of global warming. Holmess work explores how climate change alters water cycles and che...

Less Arctic ice means higher risks, experts warn

... diminishing ice extent makes Arctic marine transportation more viable. The International Ice Charting Working Group (IICWG) cautions that sea ice and icebergs will continue to present significant hazards to navigation for the foreseeable future." Satellites for monitoring, modelling During the last...

Anti-inflammatory drug's potentially deadly side effect found to be rare

...d says. "But this experience also reminds us that there are a lot of hidden icebergs in the ocean we're navigating, and we're going to bump up against those icebergs and have to work out ways to navigate around them." ...
icebergs in Biological Technology

Islands in the Clickstream: A Vision of Possibilities

... civilization including our designed descendents and other intelligent species in our galactic neighborhood. Those of us old enough to straddle the icebergs of rapidly diverging paradigms know that sooner or later we have to jump and live inside a relatively consistent model of reality. The digital model, ...
icebergs in Biological Dictionary

Microevolution

...d development of variations in a population. ... Microevolution is possible because of the tendency to pass on different ... Scientists say giant icebergs may explain why Adélie penguins have experienced genetic microevolution over the past 6,000 years. ...
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