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Science/Tech
See other Science/Tech Articles

Title: Glacier Retreat Has Beneficial Impact on Climate Change
Source: Drudge Report
URL Source: http://www.drudge.com/news/128421/g ... -retreat-has-beneficial-impact
Published: Dec 28, 2009
Author: staff
Post Date: 2009-12-28 03:18:30 by buckeroo
Keywords: None
Views: 1491
Comments: 86

ScienceDaily (Nov. 10, 2009) Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. This remarkable colonisation is having a beneficial impact on climate change. As the blooms die back phytoplankton sinks to the sea-bed where it can store carbon for thousands or millions of years.

The retreat of glaciers since 1850 affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier-melt, and in the longer term, the level of the oceans. Studied by glaciologists, the temporal coincidence of glacier retreat with the measured increase of atmospheric greenhouse gases is often cited as an evidentiary underpinning of global warming. Mid-latitude mountain ranges such as the Himalayas, Alps, Rocky Mountains, Cascade Range, and the southern Andes, as well as isolated tropical summits such as Mount Kilimanjaro in Africa, are showing some of the largest proportionate glacial loss.(IPCC)(Mlg). It is estimated the total area of extrapolar glaciers will have shrunk from 500,000 to 100,000 km by the year 2350.[1]

The Little Ice Age was a period from about 1550 to 1850 when the world experienced relatively cooler temperatures compared to the present. Subsequently, until about 1940, glaciers around the world retreated as the climate warmed substantially. Glacial retreat slowed and even reversed temporarily, in many cases, between 1950 and 1980 as a slight global cooling occurred. However, since 1980 a significant global warming has led to glacier retreat becoming increasingly rapid and ubiquitous, so much so that some glaciers have disappeared altogether, and the existence of a great number of the remaining glaciers of the world is threatened. In locations such as the Andes of South America and Himalayas in Asia, the demise of glaciers in these regions will have potential impact on water supplies. The retreat of mountain glaciers, notably in western North America, Asia, the Alps, Indonesia and Africa, and tropical and subtropical regions of South America, has been used to provide qualitative evidence for the rise in global temperatures since the late 19th century.(IPCC2) (NSIDC) The recent substantial retreat and an acceleration of the rate of retreat since 1995 of a number of key outlet glaciers of the Greenland and West Antarctic ice sheets, may foreshadow a rise in sea level, having a potentially dramatic effect on coastal regions worldwide.


Poster Comment:

Since the majority of the glaciers around the world are undeniably melting, how on Earth is the average temperature of the planet decreasing?

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Begin Trace Mode for Comment # 23.

#1. To: buckeroo, *Global Climate Change* (#0)

Since the majority of the glaciers around the world are undeniably melting, how on Earth is the average temperature of the planet decreasing?

wudidiz  posted on  2009-12-28   4:30:42 ET  Reply   Untrace   Trace   Private Reply  


#14. To: wudidiz, farmfriend, buckeroo, all (#1)

877 new snowfall records set or tied in the USA last week

Growing Glaciers

Antarctic Ice Growing

World Sea Ice 25 Year High

ICE not fire may be the bigger worry

Sea Levels Falling not Rising

Original_Intent  posted on  2009-12-29   12:37:47 ET  Reply   Untrace   Trace   Private Reply  


#15. To: Original_Intent (#14)

You have your eye off-the-ball by looking at a few sample points. I am always discussing general trends not a single point phenomena.

buckeroo  posted on  2009-12-29   13:13:36 ET  Reply   Untrace   Trace   Private Reply  


#16. To: buckeroo, Original_Intent (#15)

Yeah, O_I, don't you know that global cooling and blizzards are sure signs of global warming? You better get with the program. ahaha.

James Deffenbach  posted on  2009-12-29   13:15:50 ET  Reply   Untrace   Trace   Private Reply  


#17. To: James Deffenbach (#16)

Yeah, O_I, don't you know that global cooling and blizzards are sure signs of global warming?

My bad, I didn't think. Of course growing ice sheets, record snow falls and bone chilling temperatures all add up to one thing: Glowbull Warming.

How could I have been so silly as to think all of the recorded and quantified evidence of declining temperatures and increasing ice thickness in the arctic and antarctic meant anything other than Holy Global Warming? Excuse me a moment while I light another candle to St. Algore.

Original_Intent  posted on  2009-12-29   13:22:40 ET  Reply   Untrace   Trace   Private Reply  


#19. To: Original_Intent (#17)

Excuse me a moment while I light another candle to St. Algore.

You're excused but please don't let it happen again. You know that when people are staggering around in snow up to their @$$e$ that all that can account for that is warm weather/glowbull warming.

James Deffenbach  posted on  2009-12-29   13:26:39 ET  Reply   Untrace   Trace   Private Reply  


#21. To: James Deffenbach (#19) (Edited)

You know that when people are staggering around in snow up to their @$$e$ that all that can account for that is warm weather/glowbull warming.

I don't know if there is global cooling or warming but the climate is changing. Ask any honest farmer without a bias who has been farming for decades and they will tell you the climate is changing. The warm spring now comes too early, farmers start planting and then get hit with frost as late as May. We had frost on May 8th of this year. And the fall comes too soon leaving crops not to mature.

belmontconservative  posted on  2009-12-29   13:37:01 ET  Reply   Untrace   Trace   Private Reply  


#23. To: belmontconservative, James Deffenbach, all (#21)

I don't know if there is global cooling or warming but the climate is changing.

The climate is cyclical. What we had ten years ago is not necessarily relevant, except in the broadest sense, to what we are experiencing today. The climatological record shows great variability over time. The planet has been both much warmer and much cooler in past epochs than what we are experiencing in present time. That is why we track data collected and attempt to extrapolate from current and past readings - to try to get some idea of the overall trend. In the past ten winters at my location I have seen everything from virtually zero snow during the winter to blizzards dropping 18 inches of snow. What is important is what the data actually is, and when people are caught jiggering the data (such as at the Climate Research Unit, CRU, in East Anglia) to support a conclusion the one thing you can conclude immediately is that the actual data did not support the predetermined conclusion.

Original_Intent  posted on  2009-12-29   13:47:08 ET  Reply   Untrace   Trace   Private Reply  


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