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River deltas will likely experience signif … River deltas will likely experience significant land loss because of relative sea-level rise (RSLR), but predictions have remained elusive. Here, we use global data of RSLR and river sediment supply to build a validated model of delta response to RSLR for all ~10,000 deltas globally. Applying this model to predict future delta change, we find that all IPCC RCP sea-level scenarios lead to a net delta loss by the end of the 21st century, ranging from -52 ¬± 36 (1 s.d.) km2yr-1 for RCP2.6 to -808 ¬± 80 km2yr-1 for RCP8.5. We find that river dams, subsidence, and sea-level rise have had a comparable influence on reduced delta growth over the past decades, but that by 2100 under RCP8.5 more than 80% of delta land loss will be caused by climate-change driven sea-level rise.d by climate-change driven sea-level rise. +
j.h.nienhuis@uu.nl +
CSDMS 2020 Webinars +
Utrecht University +
Nienhuis +
Nienhuis_CSDMS_Presentation_2020June.pdf +
Webinar +
CSDMS Summer Science Series I: Global morphodynamic response of deltas to sea-level rise in the 21st century +
10:00:00, 30 June 2020 +
D8jpTWsWt54 +
Netherlands +
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16:33:16, 1 July 2020 +
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22:34:24, 11 June 2025 +
