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  Reconstruction of hourly coastal water levels for impact attribution

Treu, S., Muis, S., Dangendorf, S., Wahl, T., Oelsmann, J., Heinicke, S., Frieler, K., Mengel, M. (2023): Reconstruction of hourly coastal water levels for impact attribution, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4189

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021628 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021628_1
Genre: Conference Paper

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 Creators:
Treu, Simon1, Author
Muis, Sanne1, Author
Dangendorf, Sönke1, Author
Wahl, Thomas1, Author
Oelsmann, Julius1, Author
Heinicke, Stefanie1, Author
Frieler, Katja1, Author
Mengel, Matthias1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Rising seas are a threat for human and natural systems along coastlines. The relation between global warming and sea-level rise is established, but impacts of historical sea-level rise are not well quantified on a global scale. To foster the attribution of observed coastal impacts to sea-level rise, we present a reconstruction of historical hourly (1979-2015) and monthly (1900-2015) coastal water levels. Alongside this ‘factual’ data we provide associated ‘counterfactual’ data where long term trends in sea level have been removed. The pair of data sets has been generated to allow for impact studies attributing observed changes in coastal systems to observed sea level rise. The factual data combines long-term changes of geocentric sea-level rise and vertical land motion with hourly storm-tide variations. Comparison to tide gauge records shows improved performance of the combined data set compared to its individual components on sub-yearly timescales, mainly due to the inclusion of density-driven sea-level change. On annual to decadal timescales, inclusion of observation-based vertical land motion brings the combined data set close to tide gauge records in most cases, but outliers remain. The dataset is made available openly through the Inter-Sectoral Impact Model Intercomparison Project (ISIMIP).

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-4189
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -