e-journal
Observation of Oil Spills through Landsat Thermal Infrared Imagery:A Case of Deepwater Horizon
In the accidental oil spills of Deepwater Horizon at the Gulf of Mexico in 2010, cold plume of initial oil cover with
the apparent surface temperature lower than the surrounding sea surface temperature by 0.6 K, was detected; and
away from the initial leakage location, the apparent temperature of oil film was found higher than the surrounding
sea surface water temperature with a maximum difference of 3.2 K. Both the cold and hot oil patches had relatively
thicker film, but the cold patches were due to the initial low temperature during the crude oil upwelling from deep
water while the hot ones were caused by sun heating. This suggests that thermal infrared imagery has the potential in
locating the leakage place of crude oil spill upwelling especially from deep water and identifying thick oil
aggregations.
Keywords: Crude oil spill; deep sea oil rig; sea surface temperature; thermal infrared imagery; Landsat; deepwater horizon; the Gulf of Mexico
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