Long term, recent and near-future sea-level evolution
DOI:
https://doi.org/10.4454/Keywords:
Global sea level, Relative sea level, Tide gauge, Satellite altimetryAbstract
Past sea-level positions deduced from field observations are generally only of local value, while estimations of global (eustatic) sea-level changes can be obtained with assumptions only in a very few cases, or attempted with limited accuracy by using proxy data. Since 1993, satellite altimetry is providing global sea-level estimations every ten days, showing that coastal sea-level trends may differ from trends offshore. Evidence of an acceleration in the global sea-level rise since the last century has recently been provided by both satellites and tide-gauges, and confirmed by oceanographic and glaciological studies.
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Copyright (c) 2009 Paolo Antonio Pirazzoli (Author)
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