Rising sea levels triggered by global warming threaten New YorkMarch 16th, 2009 - 11:46 am ICT by IANS
New York, March 16 (IANS) Global warming is expected to raise sea level along the northeastern US almost twice as fast as that elsewhere during this century, exposing New York City to greater risk for damage from hurricanes and winter storm surge.
Jianjun Yin, climate modeller at the Centre for Ocean-Atmospheric Prediction Studies (COAPS) at Florida State University, said that the sea level rise along this heavily populated coast will exceed the mean global sea level rise by 2100.
The rising waters in this region - perhaps by as much as 18 inches or more - can be attributed to thermal expansion and the slowing of the North Atlantic Ocean circulation because of warmer ocean surface temperatures.
Yin and colleagues Michael Schlesinger of University of Illinois at Urbana-Champaign and Ronald Stouffer of Geophysical Fluid Dynamics Lab at Princeton University are the first to reach that conclusion after analysing data from 10 state-of-the-art climate models.
They have been used for the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report. Yin’s study, “Model Projections of Rapid Sea Level Rise on the Northeast Coast of the United States”, has been published online in the journal Nature Geoscience.
“The northeast coast of the United States is among the most vulnerable regions to future changes in sea level and ocean circulation, especially when considering its population density and the potential socioeconomic consequences of such changes,” Yin said.
“The most populous states and cities of the United States and centres of economy, politics, culture and education are located along that coast,” he said.
The researchers found that the rapid sea-level rise occurred in all climate models whether they depicted low, medium or high rates of greenhouse-gas emissions, said a Florida release.
In a medium greenhouse-gas emission scenario, the New York City coastal area would see an additional rise of about 8.3 inches above the mean sea level rise that is expected around the globe because of human-induced climate change.
- New York at risk from predicted sea level rise due to global warming - Mar 16, 2009
- Warming ocean layers melt polar ice sheets faster - Jul 04, 2011
- Sea levels will rise by 60 cm by 2100 - Oct 18, 2011
- Now, model to predict hurricanes this season - Jun 02, 2010
- Global warming will push up sea level - Jun 25, 2012
- Cities in developing countries 'likelier to be hit by climate change' - Apr 08, 2011
- Scientists estimate sea level rise by studying past carbon dioxide levels - May 02, 2011
- Sea-level rise may pose greatest threat to Northeast US and Canada this century - May 28, 2009
- Sea levels rising in parts of Indian Ocean: Experts - Jul 14, 2010
- Maldives: a nation of 1,190 coral islands (Lead) - Feb 07, 2012
- Greenland ice most vulnerable to global warming - Mar 12, 2012
- India might get 1.7-2 degrees warmer by 2030 - Nov 16, 2010
- Sea level data spanning 35 million years pulled from 6,000-foot hole - Jan 27, 2010
- Carbon emissions speed up ocean acidification - Jan 23, 2012
- ICTs can help Kerala adapt to climate change - Nov 19, 2011
Tags: atmospheric prediction, climate models, emission scenario, florida state university, fluid dynamics lab, geophysical fluid dynamics, global sea level, greenhouse gas emission, greenhouse gas emissions, intergovernmental panel on climate change, michael schlesinger, north atlantic ocean, ocean circulation, ocean surface temperatures, prediction studies, princeton university, rising sea levels, sea level rise, socioeconomic consequences, university of illinois at urbana champaign