Featured Research

from universities, journals, and other organizations

Toward Long-range Beach Forecasts On Bacterial Contamination

Date:
July 3, 2008
Source:
American Chemical Society
Summary:
Long-range forecasts of beach bacterial contamination are inching closer to reality because of a new water quality prediction method.

Scientists are reporting development of a water quality prediction method so that vacationers can better plan beach holidays.
Credit: Courtesy of public-domain-photos.com

Long-range forecasts of beach bacterial contamination are inching closer to reality because of a new water quality prediction method scheduled for publication in the July 15 issue of the ACS' Environmental Science & Technology, a semi-monthly journal.

Related Articles


"For the first time, this study showed that bacteria concentrations could be forecasted with reasonable accuracy, hastening the day when people will be able to better plan their beach holidays," the report says.

In the new study, Walter E. Frick and colleagues explain that decisions on whether beaches are safe for swimming, or should be closed due to fecal contamination, are based on testing the water for E. coli. However, existing tests take 24 hours to complete, providing a backward-only look at conditions the previous day. As a result, beaches may be closed unnecessarily when water quality has improved, or open when water quality has declined and disease-causing microorganisms are present.

Building on pioneering modeling studies in the Great Lakes by the U. S. Geological Survey (USGS) and others, the researchers developed "Virtual Beach," a broadly-applicable software tool for the development of models that predict concentrations of indicators of fecal contamination at beaches. Unique features of Virtual Beach are the ability to evaluate a dynamic modeling approach for using short-term data sets to rapidly develop reliable models, and the use of available weather and marine forecast variables to forecast E. coli levels 24 hours or more in advance.

Evaluations of Virtual Beach were accomplished using data collected by USGS, NOAA and other sources for Huntington Beach on Lake Erie in northeastern Ohio. During the 42-day study, models developed by Virtual Beach correctly forecasted 24 hours in advance eight instances when E. coli levels exceeded safety standards. These results exceeded the accuracy of traditional sampling methods and approximately matched the accuracy of nowcasting (real-time predictions), according to the researchers.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Frick, Walter E., Ge, Zhongfu, and Zepp, Richard G. Nowcasting and Forecasting Concentrations of Biological Contaminants at Beaches: A Feasibility and Case Study. Environ. Sci. Technol., 42, 13, 4818-4824, 2008 DOI: 10.1021/es703185p

Cite This Page:

American Chemical Society. "Toward Long-range Beach Forecasts On Bacterial Contamination." ScienceDaily. ScienceDaily, 3 July 2008. <www.sciencedaily.com/releases/2008/06/080630112242.htm>.
American Chemical Society. (2008, July 3). Toward Long-range Beach Forecasts On Bacterial Contamination. ScienceDaily. Retrieved February 1, 2015 from www.sciencedaily.com/releases/2008/06/080630112242.htm
American Chemical Society. "Toward Long-range Beach Forecasts On Bacterial Contamination." ScienceDaily. www.sciencedaily.com/releases/2008/06/080630112242.htm (accessed February 1, 2015).

Share This


More From ScienceDaily



More Earth & Climate News

Sunday, February 1, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Raw: Rare Clouds Fill Grand Canyon

Raw: Rare Clouds Fill Grand Canyon

AP (Jan. 29, 2015) For the second time in two months, a rare weather phenomenon filled the Grand Canyon with thick clouds just below the rim on Wednesday. (Jan. 29) Video provided by AP
Powered by NewsLook.com
Senate Passes Bill for Keystone XL Pipeline

Senate Passes Bill for Keystone XL Pipeline

AP (Jan. 29, 2015) The Republican-controlled Senate has passed a bipartisan bill approving construction of the Keystone XL oil pipeline. (Jan. 29) Video provided by AP
Powered by NewsLook.com
"Cloud Inversion" In Grand Canyon

"Cloud Inversion" In Grand Canyon

Reuters - US Online Video (Jan. 29, 2015) Time lapse video captures a blanket of clouds amassing in the Grand Canyon -- the result of a rare meteorological process called "cloud inversion." Rough Cut (no reporter narration). Video provided by Reuters
Powered by NewsLook.com
Why Researchers Say We Should Cut Back On Biofuels

Why Researchers Say We Should Cut Back On Biofuels

Newsy (Jan. 29, 2015) Biofuels aren&apos;t the best alternative to fossil fuels, according to a new report. In fact, they&apos;re quite a bad one. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins