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CLIMATEACTION Home

CLIMATEACTION  June 1999

CLIMATEACTION June 1999

Subject:

(NASA) Polar winds->winter storms; Melting Himalayas

From:

Gioia Thompson <[log in to unmask]>

Reply-To:

Burlington Climate Protection Task Force <[log in to unmask]>

Date:

Thu, 3 Jun 1999 08:23:54 -0400

Content-Type:

text/plain

Parts/Attachments:

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text/plain (131 lines)

FYI
>Date: Wed, 2 Jun 1999 18:00:35 -0400
>From: [log in to unmask]
>Resent-Date:  Wed, 02 Jun 99 18:00:53 EDT
>Resent-From: "C" <[log in to unmask]>
>Resent-Subject:      GL: (NASA) Polar winds->winter storms; Melting Himalayas
>Resent-To: [log in to unmask]
>Resent-Message-Id: <[log in to unmask]>
>Subject: [SEAC+ANNOUNCE] GL: (NASA) Polar winds->winter storms; Melting
Himalayas
>To: [log in to unmask]
>Resent-Sender: [log in to unmask]
>
>
>
>----------------------------Original message----------------------------
>1.  NASA says Polar winds might cause winter storms
>2.  Himalayan glaciers melting at alarming rate
>
>
>
>Wednesday June 2, 1999
>NASA SAYS POLAR WINDS MIGHT CAUSE WINTER STORMS
>
>
>     WASHINGTON (Reuters) - Rising winter temperatures across the
>Northern Hemisphere are expected to generate more numerous winter
>storms across western North America and western Europe, NASA
>officials said Wednesday.
>
>      Warmer winters will bring more wet weather to Europe and
>western North America, with western Europe the worst hit by storms
>coming off the Atlantic, said NASA atmospheric scientist Drew
>Shindell in the current edition of Nature, a scientific journal.
>
>      "It's a big concern to know why this happens," said Shindell.
>
>      Shindell, based at Columbia University and the Goddard
>Institute for Space Studies, said the higher production of
>greenhouse gases in the industrialized nations of the Northern
>Hemisphere caused average winter temperatures across the region to
>rise by nine degrees Fahrenheit in the last 30 years.
>
>      That's ten times more than the average 0.9-degree rise in
>worldwide winter temperatures during the same period, NASA
>officials said.
>
>      The NASA scientist theorizes that the surge in Northern
>Hemisphere temperatures during the last three decades has been
>exacerbated by a "polar vortex" of upper-atmosphere winds over the
>Arctic region.
>
>      In Shindell's climate model, higher temperatures in the
>lower, more-populous latitudes clash with the very cold
>temperatures above the North Pole and generate high-altitude winds
>that later pull heat and moisture from the Atlantic and Pacific
>oceans.
>
>      As they move across the earth, those warm winds carry more
>rain and fuel temperature increases when they pass over land, NASA
>officials said.
>
>      "In our model, we're seeing a very large signal of global
>warming and its not a naturally occurring thing," said Shindell.
>"It's most likely linked to greenhouse gases."
>
>
>================================================
>MELTING HIMALAYAN GLACIERS POSE FLOODING DANGERS
>Wednesday June 2, 1999
>
>
>     LONDON (Reuters) - Glaciers in the Himalayas are melting at
>an alarming rate and could cause a catastrophe if meltwater lakes
>overflow into surrounding valleys, Indian researchers warned
>Wednesday.
>
>      "All the glaciers in the middle Himalayas are retreating,"
>Syed Hasnain, of Jawaharlal Nehru University in Delhi, told New
>Scientist magazine.
>
>      The Gangorti glacier at the head of the Ganges River is
>receding at a rate of 30 meters (98 feet) per year, according to
>Hasnain's four-year study which will be presented to the
>International Commission on Snow and Ice (ICSI).
>
>      If current trends, blamed on global warming, continue he
>predicts all the glaciers in the central and eastern Himalayas
>could disappear by 2035 with disastrous consequences.
>
>      As the ice melts the water accumulates between the glacier
>and debris and rock, called a moraine, that was left over by the
>receding glacier.
>
>      "The moraine is unstable. Occasionally these lakes burst,
>releasing enormous amounts of water," said Hasnain. "This is
>recognized as a serious problem in India, Pakistan, Bhutan, Tibet
>and China."
>
>      Scientists have pinpointed the Imja glacier lake in Nepal's
>Sagarmatha national park as a potential trouble spot. The lake in
>the popular trekking area holds 30 million cubic meters of water.
>Experts think it will burst within five years.
>
>      Hasnain said glaciers in the Himalayas are retreating faster
>than anywhere else on the planet. Along with potential flooding
>problems, the flow of rivers could become less reliable and
>eventually dry up, leading to water shortages.
>
>
>
>       To unsubscribe from SEAC+ANNOUNCE send a message to
>       [log in to unmask] with the word
>       unsubscribe in the subject. If you have any problems
>       please write to: [log in to unmask]
>
>
>


*******************************************************************
Gioia Thompson
Coordinator
UVM Environmental Council
University of Vermont
590 Main Street
Burlington, VT 05405
(802) 656-3803
fax:  656-8874
http://esf.uvm.edu/envcncl

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