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Science/Tech
See other Science/Tech Articles

Title: Is climate change raising the sea level on NC coast? (poll question)
Source: TheGastonGazette
URL Source: http://www.gastongazette.com/news/sea-42629-predict-endangering.html
Published: Jan 17, 2010
Author: Barry Smith
Post Date: 2010-01-17 18:48:30 by buckeroo
Keywords: None
Views: 408
Comments: 34

RALEIGH - Some scientists predict that sea levels could rise by as much as a meter by the end of the century, endangering North Carolina’s low-lying barrier islands and coast.

While sea levels have been rising for centuries, scientists and policy administrators attending a forum sponsored by the N.C. Division of Coastal Management last week were told that climate change is adding to the rise in sea levels.

One meter is a little more than a yard, or 39.4 inches.

"The coastal ecosystems will all migrate upward and landward," said Stanley Riggs, a geology professor at East Carolina University.

Riggs said sea levels are rising "substantially faster" than in previous years.

"The rate has doubled twice since 1800," Riggs said. "It’s now up to about a half a meter per century. We’re on that upward curve. A conservative continuation of that upward curve puts us at a meter by 2100."

Roy Cordato, vice president for research at the John Locke Foundation, a conservative think tank in Raleigh, questions those figures.

"I just don’t know where they get that data," Cordato said. Cordato countered that data from Wilmington shows that the sea level has risen five or six years from 1936 to 2005.

He said that the numbers, coming from the Intergovernmental Panel on Climate Change, aren’t actually projections with probabilities assigned to them.

"They’re actually storylines," Cordato said. "They latch on to these things, I think, to make an alarmist case.”

During the forum, Virginia Burkett of the U.S. Geological Survey said that global sea level rises were 1.7 mm per year. From 1993 to 2003, sea levels rose 3.1 mm per year, she said.

Burkett and Riggs said attributed the increases to land ice melting in arctic climates and running off into the ocean.

Cordato countered, saying that arctic sea ice had increased in recent years and that sea ice had also been increasing in Antarctic regions.

While Cordato and Riggs disagree on how much sea levels will likely rise in coming decades, they find common ground in what it should mean for fragile islands and coastal regions likely to be impacted by increases in sea levels.

"Those islands that are low and narrow will be affected first and most extensively," Riggs said.

He said that it’s impossible to predict exactly which areas will be affected.

"I can’t sit here and say that the 1700 block and the 1900 block (of a particular street on an island) are in trouble," Riggs said.

It’s the storms that, coupled with sea levels rising, actually move the shorelines, Riggs said.

Riggs questioned construction in low-lying, high-hazard coastal areas. And he acknowledged that people with $1 million coastal homes could be in jeopardy of losing their investment.

"I couldn’t agree with that more," Cordato said. He added that we shouldn’t have government-subsidized flood insurance for such areas.

"It encourages people to build in risky areas and they don’t have to assume the risk themselves," Cordato said.

Riggs said that shorelines aren’t the only areas that could be affected.

He said that coastal estuaries and wetlands could also change.

Barry Smith can be reached at barrysmith@freedom.com.


Poster Comment:

BONUS ARTICLE:

Southern Pacific Nations Prepare for Climate Related Evacuations

Kanyad Keshani Koshi, professor of environmental studies at the University of the South Pacific in Fiji, tells Christopher Joyce of National Public Radio (NPR) that if rising ocean waters "turn against" Fijians, their already low living standards will worsen. The island of Fiji Losing Land Because of Rising Sea Waters Fiji has livable lowland but the center is mountainous volcano surrounded by steep rocky slopes. This is inhospitable higher ground if the low lands become uninhabitable.

Fiji, surrounded by the world's largest ocean, is racking up obvious affects of climate change. Though rising ocean waters are not obvious, changes are beginning to show. You can see "the exposed roots of coconut trees," as Simon McGree, Fiji's meteorological office chief climate scientist, told Joyce of NPR.

McGree further said that real estate records, which indicate land boundaries, show that land is already lost to rising ocean waters. Even a small rise leads to potentially devastating weather effects. There are higher tides and storm surges. Other areas are seeing a drop in rainfall levels. There are stronger storms and unexpected Pacific area droughts.

It is well known and proved that warmer waters and stormwater runoff carrying silt are hurting the Pacific's Great Barrier Reef. Clive Wilkinson, coordinator for the Global Coral Reef Monitoring Network, tells Joyce that the runoff soils are harming the coral and warmer waters are beginning to kill parts of the Great Barrier Reef.

Wilkinson says that a warming Pacific doesn't just effect the coral and reef around the large island nations of the South Pacific. There is a much greater global effect. For instance, the unpopular El Nino Pacific Ocean pattern that brings droughts all over the southern hemisphere, in Indonesia, Australia, Africa, has a shrinking recurrence cycle. It is now recurring every seven and possible every four years.

For all these reasons, New Zealand, along with Australia, is implementing a crisis plan. Joyce reports for NPR that there is a likely potential that millions of people will suffer from rising ocean waters, the stronger storms that come with them, and the loss of freshwater supplies.

As reported on NPR, according to Adrian Macy, New Zealand's newly appointed climate ambassador, who was formerly ambassador to France, climate changes introduce "massive threats" to Pacific island economies and the threats can only be enlarged to humanitarian crises in the event of a mass Fiji Losing Land Because of Rising Sea Waters migration of people out of the islands. Macy also says that this is why New Zealand, and also Australia, are beginning to make "plans to handle climate refugees."

As Kanyad Keshani Koshi said to NPR, "There are a lot of secondary impacts of climate change which will make the quality of life in the island Pacific very, very bad...."

Christopher Joyce, "Pacific Island Cultures Brace for Climate Change," National Public Radio. URL: http://www.npr.org/templates/story/story.php?storyId=10891261&ps=bb1

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Begin Trace Mode for Comment # 22.

#2. To: buckeroo (#0)

deleted

Eric Stratton  posted on  2010-01-17   20:13:17 ET  Reply   Untrace   Trace   Private Reply  


#6. To: Eric Stratton (#2)

And some scientists have an agenda an incentives for personal gain.

No one questions the fact that governments, no matter the level of government hide, conceal and alter the facts to enhance government directives with some sort of personal aim or ambition.

But that is not my point of this thread. Global Warming is a fact. Please see my last post.

buckeroo  posted on  2010-01-17   20:45:18 ET  Reply   Untrace   Trace   Private Reply  


#8. To: buckeroo (#6)

Global Warming is a fact.

Tell it to everyone who has been freezing their butts off all over the world this winter. You would be run out of town on a rail if you went to the little town where I used to live talking that stupid $#it.

James Deffenbach  posted on  2010-01-17   20:49:36 ET  Reply   Untrace   Trace   Private Reply  


#10. To: James Deffenbach (#8)

Tell it to everyone who has been freezing their butts off all over the world this winter.

The Northern Latitudes have been unusually cold. But, the rise of average temperature still creeps each and every day.

buckeroo  posted on  2010-01-17   20:56:31 ET  Reply   Untrace   Trace   Private Reply  


#15. To: buckeroo (#10)

New scientific studies suggest a trend that may have started in the late 1990s. The earth may be cooling.

The Hadley Centre for Climate Change, part of the UK Met Office, tracks global temperature and shows a big drop in global temperature anomalies since January 2007. Based on the HadCRUT3 system of observed temperatures, global surface temperature anomalies have been trending down since 2001. January 2008 had the coldest anomaly since 1995.

Temperature anomaly is the difference between observed temperature and the average temperature for the same time over a period of years.

Meteorologist Anthony Watts compiled the HadCRUT3 temperature grids to make this intriguing plot of trends since 1988. Note the large drop in global temperature anomaly over the past year

Closer to home, Dr John Christy of the University of Alabama, Huntsville, uses NASA data to track global temperatures. His latest report suggests that compared to seasonal norms, January 2008 was the coldest month since July 2006 and the coldest January since 2000.

http://www.nbcaugusta.com/weather/news/16011587.html

James Deffenbach  posted on  2010-01-17   21:39:36 ET  (1 image) Reply   Untrace   Trace   Private Reply  


#20. To: James Deffenbach (#15)

The earth may be cooling.

One bleep in several hundred years is not a trend, pal.

buckeroo  posted on  2010-01-17   22:00:27 ET  Reply   Untrace   Trace   Private Reply  


#22. To: buckeroo (#20)

One bleep in several hundred years is not a trend, pal.

Yeah, and the pro-Gore idiots who pretend to be "scientists" cooking the books and lying doesn't help your case either.

James Deffenbach  posted on  2010-01-17   22:07:36 ET  Reply   Untrace   Trace   Private Reply  


Replies to Comment # 22.

#24. To: James Deffenbach (#22)

I don't have a case, James; you do. You can't see the forest for the trees to use an old and highly valuable cliché that is more than apropos about your own perspective.

buckeroo  posted on  2010-01-17 22:14:49 ET  Reply   Untrace   Trace   Private Reply  


End Trace Mode for Comment # 22.

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