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Light and colour in the ocean  
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Ocean colour

What is light?

Why we see colours

spacer Did you know?

  • Seawater can be many different colours - blue, green, grey, even brown or orange.

  • The colour of the sea can tell us much about what is in the water.

  • Ocean colour is measured daily from satellites. This helps to find fish and other animals, trace ocean currents, and study climate change.

Spring bloom colouring the water green
Contact:
o4s@noc.soton.ac.uk		 Last update:
17 February 2009		 National Oceanography Centre
Approved by Schoolzones team of independent education reviewers