SPACE AND SCIENCE EARTH - CRKARLA

quarta-feira, 13 de abril de 2011

@KQEDscience: Live near the ocean?

KQEDscience RT @usgs: Live near the ocean? This site tells you if local sea level is rising or falling: http://go.usa.gov/TID


http://www.noaa.gov/

The Center for Operational Oceanographic Products and Services has been measuring sea level for over 150 years, with tide stations operating on all U.S. coasts through the National Water Level Observation Network. Changes in Mean Sea Level (MSL), either a sea level rise or sea level fall, have been computed at 128 long-term water level stations using a minimum span of 30 years of observations at each location. These measurements have been averaged by month to remove the effect of high frequency phenomena, such as waves and tides, to compute an accurate linear sea level trend. The trend analysis has also been extended to a network of global tide stations including 114 additional non-NOAA stations.

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