Middle- to late-Holocene relative sea-level changes at Puerto Deseado (Patagonia, Argentina)
| Autor: | Zanchetta G.[1, 2, Bini M.[1], Isola I.[2], Pappalardo M.[1], Ribolini A.[1], Consoloni I.[1], Boretto G.[4], Fucks E.[1], Ragaini L.[1], Terrasi F. [6] |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
Archeology
Argentina law.invention Ciencias de la Tierra y relacionadas con el Medio Ambiente relative sea level Aggradation law beach ridges Patagonia Geología Radiocarbon dating Holocene Sea level Earth-Surface Processes Global and Planetary Change geography abrasive notches geography.geographical_feature_category Ecology Paleontology middle to late Holocene Oceanography Beach ridge Crest Meteorología y Ciencias Atmosféricas Geology CIENCIAS NATURALES Y EXACTAS geographic locations |
| Zdroj: | Holocene (Sevenoaks) 24 (2014): 307–317. doi:10.1177/0959683613518589 info:cnr-pdr/source/autori:Zanchetta G.[1,2,3], Bini M.[1], Isola I.[2], Pappalardo M.[1], Ribolini A.[1], Consoloni I.[1], Boretto G.[4], Fucks E.[1], Ragaini L.[1], Terrasi F. [6]/titolo:Middle-to late-Holocene relative sea-level changes at Puerto Deseado (Patagonia, Argentina)./doi:10.1177%2F0959683613518589/rivista:Holocene (Sevenoaks)/anno:2014/pagina_da:307/pagina_a:317/intervallo_pagine:307–317/volume:24 CIC Digital (CICBA) Comisión de Investigaciones Científicas de la Provincia de Buenos Aires instacron:CICBA |
| DOI: | 10.1177/0959683613518589 |
| Popis: | Stratigraphic, morphologic and radiocarbon data from Puerto Deseado coastal area (Santa Cruz Province, Argentina) indicate that the Holocene coastline formed in response to the discontinuous aggradation of coarse gravely beaches since c. 6300 cal. yr BP related to a progressive falling of relative sea level. Beach ridge crests crudely approximate to the sea level showing at least three steps of aggradation and relative sea-level lowering. Two inactive abrasive notches at c. 7.9 and 3.4 m a.s.l. have recorded this sea-level trend, suggesting two important phases when sea level was stationary. This allows the estimation of a rate of relative sea-level fall in the last c. 3500 years of c. 1.8 mm/yr. Moreover, notches and morphological data indicate that the crest of the beach ridges exceeded the sea-level height by c. 2 ± 0.5 m. This value provides a reasonable regional estimate to be applied to produce comparable relative sea-level curve for Atlantic Patagonia coast. Fil: Zanchetta, Giovanni. Università degli Studi di Pisa; Italia. Istituto Nazionale di Geofisica e Vulcanologia; Italia. The Institute of Geosciences and Earth Resources; Italia Fil: Bini, Monica. Università degli Studi di Pisa; Italia Fil: Isola, Ilaria. Istituto Nazionale di Geofisica e Vulcanologia; Italia Fil: Pappalardo, Marta. Università degli Studi di Pisa; Italia Fil: Ribolini, Adriano. Università degli Studi di Pisa; Italia Fil: Consoloni, Ilara. Università degli Studi di Pisa; Italia Fil: Boretto, Gabriella Margherita. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina Fil: Fucks, Enrique Eduardo. Universidad Nacional de La Plata; Argentina Fil: Ragaini, Luca. Università degli Studi di Pisa; Italia Fil: Terrasi, Filippo. Seconda Universita Degli Studi Di Napoli; Italia |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|