File:Deepwater Horizon oil spill - May 24, 2010 - with locator.jpg

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Description

English: Description from NASA ( source):

"NASA's Terra Satellites Sees Spill on May 24

Sunlight illuminated the lingering oil slick off the Mississippi Delta on May 24, 2010. The Moderate-Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image the same day.

Oil smoothes the ocean surface, making the Sun’s reflection brighter near the centerline of the path of the satellite, and reducing the scattering of sunlight in other places. As a result, the oil slick is brighter than the surrounding water in some places (image centre) and darker than the surrounding water in others (image lower right). The tip of the Mississippi Delta is surrounded by muddy water that appears light tan. Bright white ribbons of oil streak across this sediment-laden water.

Tendrils of oil extend to the north and east of the main body of the slick. A small, dark plume along the edge of the slick, not far from the original location of the Deepwater Horizon rig, indicates a possible controlled burn of oil on the ocean surface.

To the west of the bird’s-foot part of the delta, dark patches in the water may also be oil, but detecting a manmade oil slick in coastal areas can be even more complicated than detecting it in the open ocean.

When oil slicks are visible in satellite images, it is because they have changed how the water reflects light, either by making the Sun’s reflection brighter or by dampening the scattering of sunlight, which makes the oily area darker. In coastal areas, however, similar changes in reflectivity can occur from differences in salinity (fresh versus salt water) and from naturally produced oils from plants.

Michon Scott NASA's Earth Observatory

NASA Goddard Space Flight Centre"

Français : Traduction partielle de la description par la NASA( source):

La marée noire causée par l'incendie de la plateforme pétrolière Deepwater Horizon vue par le satellite Terra, de la NASA, le 24 mai 2010. Cette image a été acquise par le Moderate-Resolution Imaging Spectroradiometer (MODIS, pour Spectroradiomètre d'imagerie à résolution moyenne), embarqué sur le satellite Terra. Le pétrole lisse la surface de l'océan, ce qui la rend plus claire là où elle réfléchit le soleil (par exemple, au centre de la photo) et plus sombre ailleurs (par exemple en bas à droite). Le delta du Mississippi est visible en haut, entouré d'eaux saumâtres et boueuses qui apparaissent en brun, rayé de rubans argentés de pétrole.
Des dendrites de pétrole sont aussi visible au nord et à l'est. Un petit panache sombre près du centre de la marée noire, où se trouvait à l'origine la plateforme, correspond peut être à un feu contrôlé visant à la limiter.

A l'ouest de la "patte d'oiseau" que le Mississippi dessine dans le Golfe du Mexique, on peut voir des taches sombres, qui sont peut être du pétrole, ou peut être pas, car d'autres phénomènes peuvent avoir le même aspect dans ces eaux marécageuses et saumâtres.

Date

18 June 2010

Source

1/ File:Deepwater Horizon oil spill - May 24, 2010.jpg (based upon Original image with cropping)
2/ Locator by FT2 from File:Map of USA topological.png (Public domain by author demis.nl).

Author

NASA/ GSFC, MODIS Rapid Response AND demis.nl AND FT2

Permission
( Reusing this file)

This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)

Warnings:

Use of NASA logos, insignia and emblems are restricted per US law 14 CFR 1221.
The NASA website hosts a large number of images from the Soviet/ Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI. See also {{ PD-Hubble}} and {{ Cc-Hubble}}.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted.

Combined with other public domain source imagery.
I as compositor of these two public domain images also release my work into the public domain - FT2

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