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Computer model for locating and forecasting sunken oil following spills

Date:
May 27, 2010
Source:
University of Miami
Summary:
A team of researchers has developed a computer model for finding and projecting in time sunken oil masses on the bottom of bays, after an oil spill. The unique model can be used in oil spill planning, response, and recovery applications.

Image showing relative concentrations of sunken oil on the bottom of a bay inlet, assessed for a simulated spill scenario. The new computational model was developed by a team of researchers at the University of Miami headed by Dr. James Englehardt, UM professor of environmental engineering in the College of Engineering. The unique model can be used in oil spill planning, response and recovery applications.
Credit: A. Echavarria Gregory, P. Avellaneda and James Englehardt

A team of researchers at the University of Miami (UM) has developed a computer model for finding and projecting in time sunken oil masses on the bottom of bays, after an oil spill. The unique model can be used in oil spill planning, response, and recovery applications.

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"Sunken oil is difficult to 'see' because sensing techniques show only a small space at a point in time. Moreover, the oil may re-suspend and sink, with changes in salinity, sediment load, and temperature, making fate and transport models difficult to deploy and adjust," says James Englehardt, UM professor of environmental engineering in the College of Engineering and team leader for the project. "For these reasons, we have developed a unique approach to the problem, bridging sampling plan techniques with pollutant transport modeling, to create models of sunken oil.

The model was developed for the Emergency Response Division of NOAA/NOS/OR&R (NOAA's Ocean Service Office of Response and Restoration), in Seattle, and the project was funded by the Coastal Response Research Center, University of New Hampshire.

The two-year project had three main objectives:

  1. compile and summarize data on the occurrence of sunken oil, directed by the project team including end users and NOAA liaison;
  2. develop a 2-D multimodal predictive Bayesian Gaussian model of sunken oil locations across a bay to accept spatial field data and hydrodynamic information and forecast sunken oil locations in time; and
  3. verify the model versus sunken oil data, as possible, and simulated datasets.

Story Source:

The above story is based on materials provided by University of Miami. Note: Materials may be edited for content and length.


Cite This Page:

University of Miami. "Computer model for locating and forecasting sunken oil following spills." ScienceDaily. ScienceDaily, 27 May 2010. <www.sciencedaily.com/releases/2010/05/100526151533.htm>.
University of Miami. (2010, May 27). Computer model for locating and forecasting sunken oil following spills. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2010/05/100526151533.htm
University of Miami. "Computer model for locating and forecasting sunken oil following spills." ScienceDaily. www.sciencedaily.com/releases/2010/05/100526151533.htm (accessed October 25, 2014).

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