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Sep
29
2009
Retreat of Antarctic ice opens new waters for carbon sinks
Price of viagra, The loss of ice shelves and glaciers in parts of Antarctica has uncovered thousands of square kilometers of water, opening up new habitat for plant and animal communities that could act as carbon sinks, scientists report in Global Change Biology.
Many climate change studies have focused on “positive” feedback loops: the worse things are, the worse they’ll get. For instance, viagra without prescription, Viagra prices, the melting of sea ice due to global warming will cause the Earth to reflect less light, heating up the planet even more, comprar viagra baratos. Cheap viagra tablets, Climate change is also predicted to reduce forest area, leaving fewer trees to remove carbon dioxide from the atmosphere.
The authors decided to study an effect of sea ice loss that might actually counteract global warming, viagra online cheap. Connecticut CT Conn. , Using historical data, photographs, cheap generic viagra, Order viagra online, and satellite images, they calculated that the Antarctic Peninsula had lost 23, ordering viagra no rx, Buy viagra online, 900 square kilometers of sea ice and coastal glacier cover during the last half-century. The exposure of underlying waters has enabled the formation of phytoplankton, Køb discount viagra, Virginia VA Va. , zooplankton, and seabed animal communities, köpa viagra online, Massachusetts MA Mass. , which could contain 910,000 tonnes of carbon, ordering viagra online without prescription, Wyoming WY Wyo. , the team estimates.
Those plants and animals hold about as much carbon as 6,000 to 17, viagra kopen, Pennsylvania PA Penn. , 000 hectares of tropical rainforest, the authors say, Minnesota MN Minn. . Cheap viagra without prescription, As Antarctic ice continues to retreat over thousands of years, they predict, köpa rabatterade viagra, Maryland MD Md. , new marine life could fix more than 50 megatonnes of carbon per year. – Roberta Kwok
Source: Peck, Rhode Island RI R.I. , Order viagra overnight delivery, L., Barnes, buy viagra online, D., Cook, A., Fleming, A., & Clarke, A. (2009). Negative feedback in the cold: ice retreat produces new carbon sinks in Antarctica Global Change Biology Accepted Article DOI: 10.1111/j.1365-2486.2009.02071.x
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While every little bit counts, fixing 50 megatons (at best; less than one megaton at the start) seems only a tiny portion of the 4,000 megatons of CO2 released each year.