(eds) Sea-Level Rise and Coastal Subsidence: Causes, Consequences, and Strategies (Springer, 1996).Įrkens, G., Bucx, T., Dam, R., de Lange, G. Bias in estimates of global mean sea level change inferred from satellite altimetry. Sea Levels, Land Levels, and Tide Gauges (Springer-Verlag, 1991). in Climate Change 2014: Impacts, Adaptation, and Vulnerability (eds Field, C. in Climate Change 2013: The Physical Science Basis (eds Stocker, T. in Special Report on the Ocean and Cryosphere in a Changing Climate (eds Pörtner, H. Climate-change-driven accelerated sea-level rise detected in the altimeter era. Such policy would offer substantial and rapid benefits to reduce growth of coastal flood exposure due to relative sea-level rise. In particular, human-induced subsidence in and surrounding coastal cities can be rapidly reduced with appropriate policy for groundwater utilization and drainage. These results indicate that the impacts and adaptation needs are much higher than reported global sea-level rise measurements suggest. However, as coastal inhabitants are preferentially located in subsiding locations, they experience an average relative sea-level rise up to four times faster at 7.8 to 9.9 mm yr −1. Here, we quantify global-mean relative sea-level rise to be 2.6 mm yr −1 over the past two decades. Although this affects local rates of sea-level rise, assessments of the coastal impacts of subsidence are lacking on a global scale. Climate-induced sea-level rise and vertical land movements, including natural and human-induced subsidence in sedimentary coastal lowlands, combine to change relative sea levels around the world’s coasts.
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