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Updated: Feb 27, 2026
12:34
Experimental Procedure for Laboratory Studies of In Situ Burning : Flammability and Burning Efficiency of Crude Oil
Published on: May 1, 2018
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Extended oil spill spreading with Langmuir circulation.
Debra Simecek-Beatty1, William J Lehr1
1National Oceanic and Atmospheric Administration, 7600 Sand Point Way NE, Seattle, WA, USA.
Marine Pollution Bulletin
|July 1, 2017
Summary
This study models crude oil spills in the ocean, showing how Langmuir circulation affects slick area and coverage. The findings improve oil spill transport models for faster emergency response.
Area of Science:
- Environmental science
- Fluid dynamics
- Oceanography
Background:
- Crude oil spills in the ocean spread and rupture into smaller slicks.
- These slicks can merge into fewer, longer bands, impacting oil spill transport modeling.
Purpose of the Study:
- To understand and model the process of oil slick spreading and merging.
- To modify existing oil spreading formulas by incorporating the effects of Langmuir circulation.
Main Methods:
- Calculated slick area using a spreading model.
- Applied Langmuir circulation models to approximate the merging of oiled bands.
- Compared model calculations with field experiment data from North Sea oil spills.
Main Results:
- Langmuir circulation was found to increase the overall oil area.
- Langmuir circulation decreases the surface coverage of oil.
- Modified oil spreading formulas to include a surface area correction for Langmuir circulation effects.
Conclusions:
- The developed model enhances the accuracy of oil spill transport predictions.
- The model's simplicity makes it suitable for emergency response with limited data.
- Incorporating Langmuir circulation improves understanding of oil slick behavior in marine environments.
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