Navigation Links
NOAA: 'Nuisance flooding' an increasing problem as coastal sea levels rise
Date:7/28/2014

Eight of the top 10 U.S. cities that have seen an increase in so-called "nuisance flooding"--which causes such public inconveniences as frequent road closures, overwhelmed storm drains and compromised infrastructure--are on the East Coast, according to a new NOAA technical report.

This nuisance flooding, caused by rising sea levels, has increased on all three U.S. coasts, between 300 and 925 percent since the 1960s.

The report, Sea Level Rise and Nuisance Flood Frequency Changes around the United States, also finds Annapolis and Baltimore, Maryland, lead the list with an increase in number of flood days of more than 920 percent since 1960. Port Isabel, Texas, along the Gulf coast, showed an increase of 547 percent, and nuisance flood days in San Francisco, California increased 364 percent.

"Achieving resilience requires understanding environmental threats and vulnerabilities to combat issues like sea level rise," says Holly Bamford, Ph.D., NOAA assistant administrator of the National Ocean Service. "The nuisance flood study provides the kind of actionable environmental intelligence that can guide coastal resilience efforts."

"As relative sea level increases, it no longer takes a strong storm or a hurricane to cause flooding," said William Sweet, Ph.D., oceanographer at NOAA's Center for Operational Oceanographic Products and Services (CO-OPS) and the report's lead author. "Flooding now occurs with high tides in many locations due to climate-related sea level rise, land subsidence and the loss of natural barriers. The effects of rising sea levels along most of the continental U.S. coastline are only going to become more noticeable and much more severe in the coming decades, probably more so than any other climate-change related factor."

The study was conducted by scientists at CO-OPS, who looked at data from 45 NOAA water level gauges with long data records around the country and compared that to reports of number of days of nuisance floods.

The extent of nuisance flooding depends on multiple factors, including topography and land cover. The study defines nuisance flooding as a daily rise in water level above the minor flooding threshold set locally by NOAA's National Weather Service, and focused on coastal areas at or below these levels that are especially susceptible to flooding.

The report concludes that any acceleration in sea level rise that is predicted to occur this century will further intensify nuisance flooding impacts over time, and will further reduce the time between flood events.

The report provides critical NOAA environmental data that can help coastal communities assess flooding risk, develop ways to mitigate and adapt to the effects of sea level rise, and improve coastal resiliency in the face of climate- and weather-induced changes.

Top ten U.S. areas with an increase in nuisance flooding*

Nuisance level:
Meters above mean higher high water mark
Average nuisance flood days, 1957-1963 Average nuisance flood days, 2007-2013 Percent Increase
Annapolis, Md. 0.29 3.6 39.3 925
Baltimore, Md. 0.41 1.3 13.1 922
Atlantic City, N.J. 0.43 3.1 24.6 682
Philadelphia, Pa. 0.49 1.6 12.0 650
Sandy Hook, N.J. 0.45 3.3 23.9 626
Port Isabel, Texas 0.34 2.1 13.9 547
Charleston, S.C. 0.38 4.6 23.3 409
Washington D.C. 0.31 6.3 29.7 373
San Francisco, Calif. 0.35 2.0 9.3 364
Norfolk, Va. 0.53 1.7 7.3 325

* More than one flood on average between 1957-1963, and for nuisance levels above 0.25 meters.


'/>"/>

Contact: Ben Sherman
ben.sherman@noaa.gov
301-713-3066
NOAA Headquarters
Source:Eurekalert  

Related biology news :

1. NOAA: Gulf of Mexico dead zone predictions feature uncertainty
2. NOAA: Underwater noise decreases whale communications in Stellwagen Bank sanctuary
3. NOAA: Coastal ocean aquaculture can be environmentally sustainable
4. Nuisance seaweed found to produce compounds with biomedical potential
5. New grass hybrid could help reduce the likelihood of flooding
6. UT Arlington engineer to design prototype that predicts flash flooding
7. Researchers discover protein that helps plants tolerate drought, flooding, other stresses
8. Natural engineering offers solution against future flooding
9. Agricultural productivity loss as a result of soil and crop damage from flooding
10. Surprising pine beetle breeding habits help explain increasing tree damage, says CU study
11. Increasing clarity for medics in suspected physical abuse cases
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
NOAA: 'Nuisance flooding' an increasing problem as coastal sea levels rise
(Date:1/27/2016)... Jan. 27, 2016  Rite Track, Inc. a leading ... West Chester, Ohio announced today the ... staff, based in Austin, Texas , ... to provide modifications, installations and technical support offerings for ... of PLUS, commented, "PLUS has provided world class service ...
(Date:1/21/2016)... , January 21, 2016 ... to a new market research report "Emotion Detection and ... Others), Software Tools (Facial Expression, Voice Recognition and ... - Global forecast to 2020", published by MarketsandMarkets, ... expected to reach USD 22.65 Billion by 2020, ...
(Date:1/15/2016)... SAN JUAN, Puerto Rico , Jan. 15, 2016 ... forcing companies big and small to find new ways ... data driven culture. iOS and ... their device based on biometrics, transforming it into a ... can request that users swipe their fingerprint on their ...
Breaking Biology News(10 mins):
(Date:2/9/2016)... , ... February 09, 2016 , ... Tunnell Consulting, Inc. ... Based in Paris, he will focus on acquiring new accounts and work closely with ... , “Fred brings to our European clients more than 15 years of ...
(Date:2/9/2016)... NEW YORK , Feb. 9, 2016 ... market analyzes the current and future prospects of the ... of this report include companies engaged in the manufacture ... comprises an executive summary with a market snapshot providing ... the scope of this report. This section also provides ...
(Date:2/8/2016)... , Feb. 8, 2016 /PRNewswire/ - BIOREM Inc. (TSXV: ... the top ten finalists for clean technology companies in the ... the top 10 companies listed on the TSX Venture Exchange, ... & gas, clean technology & life sciences, diversified ... equal weighting given to return on investment, market cap growth, ...
(Date:2/8/2016)... ... February 08, 2016 , ... Thomas J. Todorow has joined ... President for Corporate Services and the Chief Financial Officer at The Children’s Hospital ... Treasury, Managed Care Contracting, Supply Chain, and Investments. , Prior to joining CHOP ...
Breaking Biology Technology: