How to Create an Oil Slick Outline

  • Load the image. Identify the oil slick.
  • Turn on scale legend (bar in bottom left-hand corner)
  • Create a new folder.
  • Put image in folder
  • Snapshot the view
  • Outline slick
  • Add SkyTruth logo
  • Add image detail (image source: Envisat ASAR date, time, UTC).  

    Make font yellow and change scale to 1.6.

  • Add image acknowledgements (Imagery courtesy of the European Space Agency).
  • Add slick dimensions (Slick Extent = length x width in miles and Area in square miles)
  • Add other places of interest.
  • Save kml file
  • Take screenshot
  • Create report page on SkyTruth labs site.
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