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Holiday In Wales The delicate salt balance of the Atlantic Ocean has altered so dramatically in the last four decades through global warming that it is changing the very heat-conduction mechanism of the ocean and stands to turn Northern Europe into a frigid zone.

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Holiday Wales The conclusions are from a study in the journal Nature that is to be published today. The study describes planet-scale changes in the regulatory function of the ocean that affect precipitation, evaporation, fresh-water cycles and climate.

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Cottage Holiday In Wales "This has the potential to change the circulation of the ocean significantly in our lifetime," said Ruth Curry of the Woods Hole Oceanographic Institution in Massachusetts, the study's lead author.

St. Director of Tourism Since 1998 Mr. Peter Hilary Modeste has served, as the Director of Tourism of the St. Lucia Tourist Board. President of the St. Lucia Hotel & Tourism Association, Mr. Modeste has been employed within the tourism sector for a number of years. He was educated at the University of Wales and is married with three children. A former Minister of Education, Mr. Modeste has served on a number of national organizations including the St. Lucia Development Bank.

Caravan Holiday In Wales The study catalogues profound changes in the salinity of the tropical and sub-tropical parts of the Atlantic Ocean. That part of the ocean is becoming saltier because higher average global temperatures are evaporating more ocean water than normal.

High salt intake decreases insulin sensitivity in young, healthy people, ³² but not in older people with hypertension, ³³ according to preliminary studies. Moderate restriction of salt, however, also decreased insulin sensitivity in one preliminary study of healthy people, ³⁴ but had no effect in other studies of people either with^{35 36 37} or without^{38 39} hypertension. No studies have investigated the effect of salt intake or restriction in people with IRS. Top.

Camping Holiday Wales Over time, that water vapour travels north and south to the poles, where it eventually replenishes colder oceans.

Accommodation Holiday Wales Because the overall salt content of the world's oceans is constant, this means that as the equatorial ocean becomes saltier, the oceans at the poles are becoming less salty and more fresh.

Holiday Last Minute Wales The implications of this are enormous. Until recently, scientists had no idea how critical salt levels in the oceans are to the hydrological cycle. They now understand that salinity is key to the ocean's ability to move warm water around the planet.

Catering Holiday Self Wales Under normal conditions, the saltier waters of the far north and south sink from the surface of the ocean to the deep abyss. Then they are pulled along the bottom of the ocean back to the equator. As that massive amount of water moves from north to south, warm water from the southern Gulf Stream moves north closer to the ocean's surface to fill the void. It's akin to a gigantic water conveyor belt.

Holiday Wales Walking That warm water pulled up to the north also warms the air. It is the reason England and Ireland are relatively balmy in winter and not frigid like southern Alaska, which is at the same latitude, said Professor Ransom Myers, holder of the Killam Chair in Ocean Studies at Dalhousie University in Halifax and a key researcher with the Census of Marine Life.

Family Holiday Wales But as the waters of the far north become less salty, they lose their ability to sink from the surface of the ocean to the abyss. The conveyor belt is slowing down and may eventually stop.

Holiday Riding Wales "Northern Europe will likely experience a very significant cooling," Ms. Curry said, adding that it is expected to be in the order of 5 to 10 C cooler in winter in the course of 10 to 50 years, which is considered to be extremely rapid climate change.

Adventure Holiday Wales The trend in Europe will run counter to that of most of the planet, which has been warming as greenhouse gases concentrate in the atmosphere.

Holiday Park South Wales The last time Northern Europe recorded temperatures that cold was during the so-called little ice age that lasted from 1500 to about 1800, she said.

Cottage Holiday Wales If the ocean conveyor belt shuts down entirely, Northern Europe will become as cold as Alaska and is unlikely to be able to support as many people as it now does, Prof. Myers said. "We're changing the Earth in ways that are just inconceivably large." he said.

Holiday In Wales The problem is that this change feeds on itself and scientists don't know where it will stop, Ms. Curry explained.

Holiday Wales When water evaporates more quickly in the tropics -- as it is now from the effect of greenhouse gases that humans have emitted into the atmosphere -- that water vapour creates a greenhouse effect that helps to speed global climate change, including warming. In turn, that increases evaporation, which increases the greenhouse effect. And so on.

Cottage Holiday In Wales By Alanna Mitchell
The Globe and Mail - 12/18/2003

Topic: Climate Change

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