Role of upper-flow-regime bedforms emplaced by sediment gravity flows in the evolution of deltas

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dc.identifier.uri http://dx.doi.org/10.15488/4533
dc.identifier.uri https://www.repo.uni-hannover.de/handle/123456789/4575
dc.contributor.author Kostic, Svetlana
dc.contributor.author Casalbore, Daniele
dc.contributor.author Chiocci, Francesco
dc.contributor.author Lang, Jörg
dc.contributor.author Winsemann, Jutta
dc.date.accessioned 2019-03-08T10:25:28Z
dc.date.available 2019-03-08T10:25:28Z
dc.date.issued 2019
dc.identifier.citation Kostic, S.; Casalbore, D.; Chiocci, F.; Lang, J.; Winsemann, J.: Role of upper-flow-regime bedforms emplaced by sediment gravity flows in the evolution of deltas. In: Journal of Marine Science and Engineering 7 (2019), Nr. 1, 5. DOI: https://doi.org/10.3390/jmse7010005
dc.description.abstract Upper-flow-regime bedforms and their role in the evolution of marine and lacustrine deltas are not well understood. Wave-like undulations on delta foresets are by far the most commonly reported bedforms on deltas and it will take time before many of these features get identified as upper-flow-regime bedforms. This study aims at: (1) Providing a summary of our knowledge to date on deltaic bedforms emplaced by sediment gravity flows; (2) illustrating that these features are most likely transitional upper-flow-regime bedforms; and (3) using field case studies of two markedly different deltas in order to examine their role in the evolution of deltas. The study combines numerical analysis with digital elevation models, outcrop, borehole, and high-resolution seismic data. The Mazzarrà river delta in the Gulf of Patti, Italy, is selected to show that upper-flow-regime bedforms in gullies can be linked to the onset, growth, and evolution of marine deltas via processes of gully initiation, filling, and maintenance. Ice-marginal lacustrine deltas in Germany are selected as they illustrate the importance of unconfined upper-flow-regime bedforms in the onset and evolution of distinct delta morphologies under different lake-level trends. eng
dc.language.iso eng
dc.publisher Basel : MDPI AG
dc.relation.ispartofseries Journal of Marine Science and Engineering 7 (2019), Nr. 1
dc.rights CC BY 4.0 Unported
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject Antidunes eng
dc.subject Confined or unconfined setting eng
dc.subject Cyclic steps eng
dc.subject Delta evolution eng
dc.subject Foreset-bottomset transition eng
dc.subject Gullies eng
dc.subject Marine and lacustrine deltas eng
dc.subject Transitional upper-flow-regime bedforms eng
dc.subject.ddc 550 | Geowissenschaften ger
dc.title Role of upper-flow-regime bedforms emplaced by sediment gravity flows in the evolution of deltas eng
dc.type article
dc.type Text
dc.relation.issn 2077-1312
dc.relation.doi https://doi.org/10.3390/jmse7010005
dc.bibliographicCitation.issue 1
dc.bibliographicCitation.volume 7
dc.bibliographicCitation.firstPage 5
dc.description.version publishedVersion
tib.accessRights frei zug�nglich


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