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Volume 30
Number 1
Summer 2013
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ock in New York Harbor at Statue of Liberty National Monument damaged by Hurrican Sandy in November 2012.  Features
Planning for the impact of sea-level rise on U.S. national parks

By Maria Caffrey and Rebecca Beavers
Published: 4 Sep 2015 (online)  •  14 Sep 2015 (in print)
Sources of sea-level rise
Historical sea-level change data
Storm surge
Disaster response and adaptation planning
Scenario planning
About the authors
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Global mean sea levels have been rising since the last ice age approximately 20,000 years ago (Archer and Rahmstorf 2010; IPCC 2007). Relative to the past two to three thousand years, the rate of rise has increased significantly and is projected to increase at an accelerating pace throughout the 21st century because of climate change (IPCC 2007). In 2007 the Intergovernmental Panel on Climate Change’s (IPCC) fourth assessment report projected that global mean sea levels will rise 18–59 cm (7–23 in) by 2100; however, these projections have been criticized as being conservative, lacking data, and failing to take into account dynamic changes in large, land-based ice sheets (Rahmstorf et al. 2007; Horton et al. 2008; Overpeck and Weiss 2009; Rahmstorf 2010). The aim of this article is to introduce three major sources of sea-level change, describe related complexities and uncertainties in projecting sea-level rise, and discuss how the National Park Service can best manage for climate change in the coastal zone.

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This page updated:  16 January 2014

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