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  • 标题:Vulnerability of Venice's coastland to relative sea-level rise
  • 本地全文:下载
  • 作者:Luigi Tosi ; Cristina Da Lio ; Sandra Donnici
  • 期刊名称:Proceedings of the International Association of Hydrological Sciences
  • 印刷版ISSN:2199-8981
  • 电子版ISSN:2199-899X
  • 出版年度:2020
  • 卷号:382
  • 页码:689-695
  • DOI:10.5194/piahs-382-689-2020
  • 摘要:Abstract. Relative sea-level rise (RSLR), i.e. sea-level rise due to climate changes combined with land subsidence, is one of the processes that is most severely threatening the coastal systems around the world. The Venice coastland forms the major low-lying area in Italy and encompasses a variety of environments, such as farmlands, estuaries, deltas, lagoons and urbanized areas. Valuable ecosystems, historical heritages and economic activities are located in this area. Since most of the territory lies at a ground elevation below or slightly above the mean sea-level, also a few mm yr−1 of land subsidence can seriously impacts on the Venice coastal system. In this study, we present an analysis of the vulnerability to RSLR considering an uneven land subsidence distribution, with an application on the Venice coastland. The analysis is delineated at the regional scale by an index-based model and a proper coupling of various thematic layers, such as high spatial resolution land subsidence data retrieved by satellite SAR interferometry, ongoing and projected sea-level rise trends, and morpho-physiographic setting of the coastland.
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