Geoscience:The Ocean's Memory
Marine sediment blankets the seafloor， containing within it long-held secrets that can lie buried for millions of years' secrets about earth's ancient climate， ocean chemistry and circulation. Even earth's shifting magnetic polarity leaves its signature deep with the sediment of the seafloor. And so， in a very real sense， sediment is indeed the ocean's memory.
- Added：2006
- Country：Canada
- Duration：30
- Time of update：2011/8/17 14:05:17