Abstract
Globally, sea level has been rising for more than the last one hundred years, and is expected to do so into the foreseeable future, and at an accelerating rate. The direct influences of sea-level rise on water resources come principally from the following: new or accelerated coastal erosion; more extensive coastal inundation and higher levels of sea flooding; increases in the landward reach of sea waves and storm surges; seawater intrusion into surface waters and coastal aquifers; and further encroachment of tidal waters into estuaries and coastal river systems. The impacts of sea-level rise are likely to be felt disproportionately in certain areas, reflecting both natural and socio-economic factors that enhance the levels of risks. The opportunity to learn about the likely nature of, and most appropriate adaptation to, the anticipated impacts of sea-level rise on water resources is arguably best developed in rapidly subsiding coastal areas, and especially in low-lying deltas where subsidence rates are typically much larger than the historic rise in global mean sea level. Significantly, such areas are often major centres of population and of economic activity, thereby highlighting the human dimensions of sea-level rise. Sound management of the risks to water resources associated with sea-level rise requires enhancing adaptive capacity, mainstreaming adaptation, harmonizing responses to extreme events, variability and long-term change and strengthening regional and international cooperation and coordination. In this regard, the policies and initiatives of international organisations are not always entirely consistent with the needs of developing countries.
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Hay, J.E., Mimura, N. Sea-Level Rise: Implications for Water Resources Management. Mitig Adapt Strat Glob Change 10, 717–737 (2005). https://doi.org/10.1007/s11027-005-7305-5
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DOI: https://doi.org/10.1007/s11027-005-7305-5