The 20 cities most threatened by flood
A new study lists 20 cities that are most vulnerable to coastal flooding. Most are in Asia and North America, 5 are in the United States.
Chinese pavilion in Guangzhou, China (©Jimmy LLTsang/Getty Images)
Researchers at the University of Southampton in England have figured out which cities around the world are most vulnerable to coastal flooding, according to Live Science. The study revealed a list of 20 cities that face the worst damage from floods. Nearly all of them are in Asia and North America, five of them are in the United States.
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The study began after Hurricane Katrina in 2005. Scientists realized they didn't know which cities were most vulnerable to flooding. They compiled data on 136 coastal cities, including population distribution, elevation, and flood protection. They combined those data with forecasts of sea-level rise and groundwater depletion. They came up with this list of the top 20 most vulnerable cities:
1. Guangzhou, China
2. Mumbai, India
3. Kolkata, India
4. Guayaquil, Ecuador
5. Shenzen, China
7. Tianjin, China
8. New York City-Newark, N.J.
9. Ho Chi Minh City, Vietnam
10. New Orleans
11. Jakarta, Indonesia
12. Abidjan, Ivory Coast
13. Chennai, India
14. Surat, India
15. Zhanjiang, China
16. Tampa-St. Petersburg, Fla.
19. Xiamen, China
20. Nagoya, Japan
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Even in their best-case-scenario projection of sea level rise, researchers warn that by 2050 the yearly global cost of flood damage will be higher than $1 trillion. If cities take steps to prevent flood damage now, they say, the cost could be brought down to around $50 billion per year.
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To say that Miami is #6 in the flood list, is not correct. Since last hurricane (Andrew-1992) that was a direct hit to Miami, at that time we had some flood in the Miami Beach and costal area. Lets not forget that Andrew was a category 5 hurricane. I don't remember serious flood that hit Miami in the last 25 years. If Miami is #6 Buenos Aires should be "Premium #1"
All thought history cities and towns have been lost due to sea-levels rising.
some are worth the cost of keeping some are not. I would think cities like Boston and New York would be worth saving, but let's not forget Boston and New york have $ BIllions in art , properties, trust, endowments etc.. I do not think the cost of building dams, locks, flood gates and the like should fall on the U.S. tax payer alone. yes these are part our national heritage but is it really fare to people in other states when these two cities are among the richest in the world. Boston has over one half of its commercial properties as not for profit, collages , hospitals, museums,( remember the Gardiner museum robbery $450,000,000.00 from just a few of the hundreds of painting),houses of worship, sporting venues,worth hundreds of $ billions, they would be the biggest benefactors let them pick up the tab.
Oh, PS. Be wary of another problem associated with fresh water flooding into the oceans. That problem would be a disruption in the ocean's currents which can, and have, led to severe weather patterns across the globe when they stopped flowing. This scenario would be far worst and more dangerous than the flooding from the initial rise of oceans.