Tag Archives: erosion

Only 13.2 % of the World’s Oceans are Intact Ocean Wilderness, Study Says

Recent research published in the journal Current Biology examines data on 19 human stressors to the ocean and determines that only 13.2 %—approximately 55 million sq km—of the oceans remain wilderness areas, little of which is in coastal areas and only 4.9 % of which lies within currently protected marine areas.  The authors define global marine wilderness as “biologically and

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Ground-Penetrating Radar Helps Researchers Confirm 900 Year-Old California Tsunami

  A group of UC Santa Barbara geologists and their colleagues used ground-penetrating GPR radar to determine the breadth and depth of erosion from an ancient tsunami in Northern California. GPR allowed them to search for physical evidence of a large tsunami that hit the Northern California coast near Crescent City approximately 900 years ago. The researchers said they found

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