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dc.contributor.author
Schuerch, M.
dc.contributor.author
Scholten, J.
dc.contributor.author
Carretero, Silvina Claudia
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dc.contributor.author
García Rodríguez, F.
dc.contributor.author
Kumbier, K.
dc.contributor.author
Baechtiger, M.
dc.contributor.author
Liebetrau, V.
dc.date.available
2018-08-08T15:30:30Z
dc.date.issued
2016-09
dc.identifier.citation
Schuerch, M.; Scholten, J.; Carretero, Silvina Claudia; García Rodríguez, F.; Kumbier, K.; et al.; The effect of long-term and decadal climate and hydrology variations on estuarine marsh dynamics: An identifying case study from the Río de la Plata; Elsevier Science; Geomorphology; 269; 9-2016; 122-132
dc.identifier.issn
0169-555X
dc.identifier.uri
http://hdl.handle.net/11336/54555
dc.description.abstract
The vertical growth of coastal wetlands is known to primarily be controlled by local tidal range and sediment availability as well as the occurrence of storm events. In estuaries, sediment availability additionally depends on riverine sediment input, the effect of which may be more pronounced in some parts of the estuary, thereby introducing a distinct spatial pattern that depends on the estuary's shape as well as the riverine sediment input and the hydro-meteorological regime. In the present study, we investigate how estuarine marshes along the whole R�o de la Plata (RdlP) are affected by decadal and long-term variations in river discharge and storm activity. The El Ni�o Southern Oscillation (ENSO), in this context, appears to introduce a pronounced decadal variability on sediment loads brought into the RdlP. Based on 15 sediment cores, recovered along the RdlP and adjacent Atlantic coast, vertical marsh growth rates were studied using radionuclide dating (210Pb and 137Cs) and grain size distributions. By comparing these sedimentological records with historic river discharge and storm surge data, we spatially interpret the relative importance of temporal variations in river discharge and storm activity on estuarine marsh growth. By delivering the first estimates for vertical growth rates of the RdlP marshes, we conclude that with average vertical marsh growth rates between 0.4 and 2.6�cm�year−�1, the RdlP marshes are highly resilient against drowning under present and future sea-level rise (SLR) conditions. Furthermore, our results confirm a large spatial variability of the drivers for vertical marsh growth; extreme storm surges appear to play a role in the development of the outer RdlP marshes whereas the temporal variations in river discharge seem to be hierarchically more important for the marshes in the inner estuary.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Decadal Climate Variability
dc.subject
Estuarine Marshes
dc.subject
RÏ&Iquest;&Frac12;O de La Plata
dc.subject
Sediment Deposition
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
The effect of long-term and decadal climate and hydrology variations on estuarine marsh dynamics: An identifying case study from the Río de la Plata
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-08-08T14:59:29Z
dc.journal.volume
269
dc.journal.pagination
122-132
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Schuerch, M.. University of Cambridge; Reino Unido
dc.description.fil
Fil: Scholten, J.. Kiel University; Alemania
dc.description.fil
Fil: Carretero, Silvina Claudia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
dc.description.fil
Fil: García Rodríguez, F.. Centro Universitario Regional Este; Uruguay
dc.description.fil
Fil: Kumbier, K.. Kiel University; Alemania
dc.description.fil
Fil: Baechtiger, M.. Kiel University; Alemania
dc.description.fil
Fil: Liebetrau, V.. GEOMAR Helmholtz Centre for Ocean Research Kie; Alemania
dc.journal.title
Geomorphology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.geomorph.2016.06.029
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0169555X16304962
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