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W. Antarctic Melt Rate Tripled   Is It Getting Hot In Here?

Started 12/3/14 by Cstar1; 5786 views.
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From: Cstar1

Jun-17

In reply toRe: msg 29
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From: Cstar1

Jun-17

Larsen C Ice Shelf

British Antarctic Survey (BAS) recently captured this video footage of a huge crack in the Larsen C Ice Shelf, on the Antarctic Peninsula. Currently a huge i...

Bike (URALTOURIST1)

From: Bike (URALTOURIST1)

Jun-18

One should not pay that much attention to the hugely misleading part of the posts plus much of the fear mongering press reports.  Sea ice and ice shelves melting add NOTHING to sea level as they are already afloat and simple hydraulics demand no increase in levels if the displaced volume remains the same.

Easy experiment, take 10 pounds of ice cubes and add to a tub of water, promptly measure the indicated level of water, let the ice melt and re-measure and the water levels will be identical.

Now for TERRESTRIAL ice melting, there WILL be an increase in sea level as that melt is ADDITIVE to water volume overall.

Lyndy (Lyndy7)

From: Lyndy (Lyndy7)

Jun-19

This discussion has been featured in today's Delphiforums Daily News ~ Join in!

http://forums.delphiforums.com/news1/messages/?msg=2415.1

Gary (GARY479)

From: Gary (GARY479)

Jun-19

When the visible above-sea level part of the shelf melts into the sea, it will increase sea level. (not sure if this one sits on the continent). The part already below would not. Land glaciers have already all but disappeared as snowfalls decrease, up to 98% in some areas.

Bike (URALTOURIST1)

From: Bike (URALTOURIST1)

Jun-19

If it floats, it will have no effect, if it is terrestrial for support, it will make a difference.

BTW:  Ice shelves are afloat, otherwise they would be ice sheets or glaciers.

HWPeeler (HPeeler)

From: HWPeeler (HPeeler)

Jun-24

Is that the shelf that has the volcanic activity under it? Not melting due to global warming?

HWPeeler (HPeeler)

From: HWPeeler (HPeeler)

Jun-24

https://www.nsf.gov/news/news_summ.jsp?cntn_id=100385

(quotation)

Evidence of the volcano came as an unintended bonus from a research plan to investigate why a massive ice sheet, known as the Larsen B, collapsed and broke up several years ago. Scientists hope to understand whether such a collapse is unique or part of a cycle that extends over hundreds of thousands of years.

(end quotation)

Why would that part of Antarctica melt considerably faster than the rest? The localized warming water is caused by volcanoes.

Terrestrial ice?

Unlike the Arctic that is mostly a floating ice pack, Antarctica has a land mass under it. So would it be considered terrestrial ice and would add to the oceans if melted?

Owen (Cymbyz)

From: Owen (Cymbyz)

Jun-25

You may be confusing it with Vatnajökull in Iceland, where several glaciers have volcanoes underneath them.  I don't think there are any volcanoes under the West Antarctic Ice Shelf.

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