Recent Climate News August 2009
Heavier Rainstorms Ahead Due To Global Climate Change — Heavier rainstorms lie in our future. That’s the clear conclusion of a new study on the impact that global climate change will have on precipitation patterns.
Antarctic Glacier Thinning At Alarming Rate — The thinning of a gigantic glacier in Antarctica is accelerating, scientists report. The Pine Island Glacier in West Antarctica, which is around twice the size of Scotland, is losing ice four times as fast as it was a decade years ago. The research also reveals that ice thinning is now occurring much further inland.
Changes In Net Flow Of Ocean Heat Correlate With Past Climate Anomalies — Physicists have combed through data from satellites and ocean buoys and found evidence that in the last 50 years, the net flow of heat into and out of the oceans has changed direction three times. These shifts in the balance of heat absorbed from the sun and radiated from the oceans correlate well with past anomalies that have been associated with abrupt shifts in the Earth’s climate, say the researchers.
Increased Ocean Acidification In Alaska Waters, New Findings Show — The same things that make Alaska’s marine waters among the most productive in the world may also make them the most vulnerable to ocean acidification. According to new findings, Alaska’s oceans are becoming increasingly acidic, which could damage Alaska’s king crab and salmon fisheries.
The pteropod (also known as a sea butterfly or swimming sea snail) may be one of the first marine organisms affected by ocean acidification. Pteropods make up nearly half of the pink salmon diet. This particular pteropod is the Limacina helicina helicina. (Credit: Photo by Russ Hopcroft, UAF School of Fisheries and Ocean Sciences)
Unexpected Relationship Between Climate Warming And Advancing Treelines — A new study reveals that treelines are not responding to climate warming as expected. The research, the first global quantitative assessment of the relationship between climate warming and treeline advance, is published in Ecology Letters and tests the premise that treelines are globally advancing in response to climate warming since 1900.
Our Changing Climate — Climatologists Forecast Completely New Climates — Geographers have projected temperature increases due to greenhouse gas emissions to reach a not-so-chilling conclusion: climate zones will shift and some climates will disappear completely by 2100. Tropical highlands and polar regions may be the first to disappear, and large swaths of the tropics and subtropics will reach even hotter temperatures. The study anticipates large climate changes worldwide (VIDEO).
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