Sonntag, 2. Februar 2014

Sea or land, who is the leader?

Sea surface temperature or land temperature. Which one is the leader?

The Sea surface temperature (red) is leading with some months. The land temperature (green) follows, making higer spikes.

Possible explanations:

  • The oceans have two thirds of the Earth's surface, and can store more heat than land surface. 
  • Land surface heats quicker and cools quicker as well.
  • Land surface is heated up by direct insolation from the sunlight plus redirected ocean heat, trapped by the air. The warm air is moved by the winds over the land, where it reduces cooling of the land mass.
Note: I choose a time where temperatures were somehow flat, for easy comparision of both curves. But you can make the test elsewhere, is always the land following.

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