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Politics : Climate Change
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From: ryanaka2/23/2019 1:19:13 PM
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Global Mean Sea Level

Figure 1. The global mean sea level since January 1993 (3.2 mm/yr or over 0.12 in/yr) is calculated
after removing the annual and semi-annual signals. A 2-month filter is applied to the blue points, while a 6-month filter is used on the red curve. (CREDIT: CLS/Cnes/Legos: aviso.oceanobs.com)



Figure 2. Map of sea level change 1993-2010 (mm/yr) as measured by satellite altimetry. (CREDIT: CLS/Cnes/Legos: aviso.oceanobs.com)





when sea-level reaches about 2 ft above present relatively rare flooding of low-lying coastal communities will become a frequent event.

=>

=>
areas shaded in blue lie at or below 32 cm (1 ft) above modern high tide; => areas shaded in blue lie at or below 0.9 m (3 ft) above modern high tide.

http://www.soest.hawaii.edu/coasts/sealevel/
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