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Author Topic: The Melting Ice of Planet Earth  (Read 6604 times)

Ed Douglas

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The Melting Ice of Planet Earth
« on: August 06, 2010, 07:21:00 PM »
Big ice cube for the ocean; http://www.msnbc.msn.com/id/38600087/ns/technology_and_science-science/

'scuse it Ed, merged 2 topics here Your topic was originally A hunk of greenland fell off - etc....
Linda's Vast Ice Topic merged here too.
Reason for merging: Melting glacial and polar ice may be a big part of coming changes as you and Linda mentioned. 
Melting Ice is one of the categories of changes... Members can monitor here in the coming months.

So this is a Sticky Topic we can add to...

All The Best,

Yowbarb
« Last Edit: December 07, 2010, 08:24:16 AM by Yowbarb »

Lori

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Re: The Melting Ice of Planet Earth
« Reply #1 on: August 06, 2010, 08:38:54 PM »
Gee Kind of like what like what happened on the Day after Tomorrow in the first scene, ??? :o

http://www.livevideo.com/video/AA31DA112A684241BAB29665FC040CC9/.aspx
« Last Edit: August 06, 2010, 08:42:37 PM by Lori »

Linda

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Re: The Melting Ice of Planet Earth
« Reply #2 on: August 09, 2010, 02:32:37 PM »
Linda, your Topic, "Vast Ice" is now merged with
Ed's A chunk of Greenland fell off ...topic.
As you posted, melting ice and rising sea levels are is part of the scenario....
We now have one Topic about The Melting Ice of Planet Earth.  - Yowbarb
...

Linda
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Vast Ice

http://dotearth.blogs.nytimes.com/2010/08/07/vast-ice-island-breaks-free-of-greenland-glacier/

August 7, 2010, 2:34 pm Vast Ice ‘Island’ Breaks Free of Greenland Glacier
By ANDREW C. REVKIN
....................................

What will this do to sea levels?


Aug. 9, 8:30 a.m. | Updated  An enormous iceberg, about four times the size of Manhattan, broke away from Greenland

« Last Edit: December 07, 2010, 08:36:22 AM by Yowbarb »

Yowbarb

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Re: The Melting Ice of Planet Earth
« Reply #3 on: December 07, 2010, 07:50:22 AM »
The Melting Ice of Planet Earth
Hi All I’m going to consolidate 2-3 Topics on melting ice.
Glacial ice, polar ice.
For starters, just  part of the story: Greenland.

Excerpts from the Greenland article, Wikipedia, Yowbarb
…………………………………………………………………………………………………………………………………………………………….
http://en.wikipedia.org/wiki/Greenland   
http://en.wikipedia.org/wiki/Greenland#Geography_and_climate

If the Greenland ice sheet were to melt away completely, the world's sea level would rise by more than 7 m (23 ft).[37]

Between 1989 and 1993, U.S. and European climate researchers drilled into the summit of Greenland's ice sheet, obtaining a pair of 3 km (1.9 mi) long ice cores. Analysis of the layering and chemical composition of the cores has provided a revolutionary new record of climate change in the Northern Hemisphere going back about 100,000 years, and illustrated that the world's weather and temperature have often shifted rapidly from one seemingly stable state to another, with worldwide consequences.[38] The glaciers of Greenland are also contributing to a rise in the global sea level at a faster rate than was previously believed.
…………………………………………………………………………………

VillageIdiot

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Re: The Melting Ice of Planet Earth
« Reply #4 on: January 12, 2011, 02:37:21 PM »
NASA Research Finds 2010 Tied For Warmest Year On Record
http://www.nasa.gov/home/hqnews/2011/jan/HQ_11-014_Warmest_Year.html

"...Global surface temperatures in 2010 tied 2005 as the warmest on record, according to an analysis released Wednesday by researchers at NASA's Goddard Institute for Space Studies (GISS) in New York.

The two years differed by less than 0.018 degrees Fahrenheit. The difference is smaller than the uncertainty in comparing the temperatures of recent years, putting them into a statistical tie. In the new analysis, the next warmest years are 1998, 2002, 2003, 2006 and 2007, which are statistically tied for third warmest year. The GISS records begin in 1880.

The analysis found 2010 approximately 1.34 F warmer than the average global surface temperature from 1951 to 1980. To measure climate change, scientists look at long-term trends. The temperature trend, including data from 2010, shows the climate has warmed by approximately 0.36 F per decade since the late 1970s.

"If the warming trend continues, as is expected, if greenhouse gases continue to increase, the 2010 record will not stand for long," said James Hansen, the director of GISS..."

ASEEKERTOO

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Re: The Melting Ice of Planet Earth
« Reply #5 on: January 12, 2011, 05:51:06 PM »
I suspect that when the recent odd conditions in the Solar System change; we may see a decrease in temperatures to a historically more
normal range. The other planets warming atmospheres and changing climates should show a decrease also. Maybe the
Great Storm on Jupiter will stabilize to a historically normal range as well. :)

VillageIdiot

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Re: The Melting Ice of Planet Earth
« Reply #6 on: January 13, 2011, 07:17:26 AM »
I suspect that when the recent odd conditions in the Solar System change; we may see a decrease in temperatures to a historically more
normal range. The other planets warming atmospheres and changing climates should show a decrease also. Maybe the
Great Storm on Jupiter will stabilize to a historically normal range as well. :)
Aseekertoo, you may be on to something regarding lower tempuratures on our planet in the not-so-distant future. Last night I listened to Robert Felix speak on Coast To Coast AM. He believes we have already entered a mini ice-age as a result of the magetic poles shifting. This was an excellent interview and worth the time listening to it: http://www.coasttocoastam.com/guest/felix-robert/5880

Ed Douglas

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Re: The Melting Ice of Planet Earth
« Reply #7 on: January 13, 2011, 08:28:35 AM »
The people of England, and northern Europe had better hope this isn't an Ice Age.  ed

VillageIdiot

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Re: The Melting Ice of Planet Earth
« Reply #8 on: January 13, 2011, 08:56:03 AM »
The people of England, and northern Europe had better hope this isn't an Ice Age.  ed
Last night during the show, Robert Felix mentioned that the UK, northern Europe and northern Asia are just beginning to experience the first of several severe winters. He cited the magentic north pole shift moving towards Siberia as one of several reasons.

Ed Douglas

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Re: The Melting Ice of Planet Earth
« Reply #9 on: January 13, 2011, 09:59:24 AM »
I imagine there are many factors involved, but the result is the same. The people of Northern Europe had better be prepared.  ed

Yowbarb

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Re: The Melting Ice of Planet Earth
« Reply #10 on: January 27, 2011, 07:23:38 AM »
I imagine there are many factors involved, but the result is the same. The people of Northern Europe had better be prepared.  ed

Ed I am posting this here because it may relate to big hunks of ice breaking loose, whether the cause be
from melting, earthquakes,  or strikes from objects from space...
I posted this in the Alaska Board, too.  - Yowbarb
...
BBC Nature: Mega Tsunami - Alaskan Super Wave - Amazing Survival 3:53 2,892,858 Views

BBCWorldwide| August 18, 2008 |
Two survivors of a Mega Tsunami tell their stories of the day the 1/2km high wave hit Lituya Bay.

http://www.youtube.com/watch?v=yN6EgMMrhdI

- ALSO-
BBC Nature: Mega Tsunami - Evidence of Destruction 
http://www.youtube.com/watch?v=2uCZjqoRLjc
- Yowbarb
...
http://en.wikipedia.org/wiki/Megatsunami 
....

Geologists searching for oil in Alaska in 1953 observed that in Lituya Bay, mature tree growth did not extend to the shoreline as it did in many other bays in the region. Rather, there was a band of younger trees closer to the shore. Forestry workers, glaciologists, and geographers call the boundary between these bands a trim line. Trees just above the trim line showed severe scarring on their seaward side, whilst those from below the trim line did not. The scientists hypothesized that there had been an unusually large wave or waves in the deep inlet. Because this is a recently deglaciated fjord with steep slopes and crossed by a major fault, one possibility was a landslide-generated tsunami.[2]
 On 9 July 1958, an earthquake of magnitude 7.7 (on the Richter scale), caused 90 million tonnes of rock and ice to drop into the deep water at the head of Lituya Bay. The block fell almost vertically and hit the water with sufficient force ...[wikipedia said over 1,000 ft the narrator of the video who survived said it was about 500 ft. At any rate it was one heck of a big wave. YB] Howard Ulrich and his son, Howard Jr. were in the bay in their fishing boat when they saw the wave. They both survived and reported that the wave carried their boat "over the trees" on one of the initial waves which washed them back into the bay, though the larger wave did not harm them a great lot. A similar tsunami out at sea could come tens of kilometers inland.
 This event and evidence of a potentially similar past event at the same location inspired the term megatsunami

...

« Last Edit: January 27, 2011, 07:33:14 AM by Yowbarb »

 

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