Canadian Consulting Engineer

Sea levels rising more in last 15 years

Worldwatch Institute reports that the average sea level around the world has risen 222 millimetres since 1875,...

July 26, 2010   Canadian Consulting Engineer

Worldwatch Institute reports that the average sea level around the world has risen 222 millimetres since 1875, which represents an annual rate of 1.7 mm a year.
However, in the end of this period, between 1993 and 2009, the sea level rose 3.0 mm per year.
An estimated 30 per cent of the sea level increase since 1993 is a result of warmer ocean tempeartures that cause the water to expand.
Another 55 per cent of the rise is believed to result from the melting of land-based ice, mainly from glaciers and the Greenland and Antarctic ice sheets.

 


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