, Volume 63, Issue 2, pp 1219-1221
Date: 12 Apr 2012

Comments on “Assessing future risk: quantifying the effects of sea level rise on storm surge risk for the southern shores of Long Island, New York,” by Christine C. Shepard, Vera N. Agostini, Ben Gilmer, Tashya Allen, Jeff Stone, William Brooks and Michael W. Beck (Volume 60, Number 2, 727–745, DOI: 10.1007/s11069-011-0046-8)

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To the Editors, Natural Hazards:

At its western tip, Long Island meets Manhattan Island, at a place called The Battery. There is an excellent GLOSS-LTT tide gauge, there which has been measuring sea levels since 1856.

Due to local land subsidence, sea level is rising faster at The Battery than at 85% of the other GLOSS-LTT tide gauges in the world, but the rate of rise has been nearly constant for over a century, at 2.77 ± 0.09 mm/year (95 % CI).

About 32 km away, at Kings Point, on the north shore of Long Island, there is another good GLOSS-LTT tide gauge, which has been measuring sea level since 1931. Sea level there has been rising at only 2.35 ± 0.24 mm/year.

Despite over 2/3 century of major anthropogenic CO2 emissions, these tide gauges have measured no statistically significant increase in the rate of sea level rise.

The same thing is true at most other tide gauges around the world. In fact, the best and most comprehensive analyses of sea level measured by tide gauges around the worl

This comment refers to the article available at: http://dx.doi.org/10.1007/s11069-011-0046-8.