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dc.provenanceCONICET-
dc.creatorMontes, Alejandro-
dc.creatorRodríguez, Silvana Soledad-
dc.creatorDomínguez, Carlos Eduardo-
dc.date2018-11-08T21:11:40Z-
dc.date2018-11-08T21:11:40Z-
dc.date2017-10-
dc.date2018-10-19T15:05:38Z-
dc.date.accessioned2019-04-29T15:34:23Z-
dc.date.available2019-04-29T15:34:23Z-
dc.date.issued2017-10-
dc.identifierMontes, Alejandro; Rodríguez, Silvana Soledad; Domínguez, Carlos Eduardo; Geomorphology context and characterization of dunefields developed by the southern westerlies at drying Colhué Huapi shallow lake, Patagonia Argentina; Elsevier; Aeolian Research; 28; 10-2017; 58-70-
dc.identifier1875-9637-
dc.identifierhttp://hdl.handle.net/11336/64042-
dc.identifierCONICET Digital-
dc.identifierCONICET-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/296858-
dc.descriptionPatagonia is the only continental territory exposed to the southern westerlies. The speed and frequency of these westerly winds generate a landscape strongly influenced by aeolian processes. This research shows a characterization of depositional and erosive aeolian landforms developed in dunefields associated to Lake Colhué Huapi, in the Extra-Andean Patagonia. Dunefields are located at 45°–46°S and moved in west-east direction due to the southern westerlies. We identified two big groups of active dunefields, one migrating through the dry lakebed of Colhué Huapi and the other migrating eastwards from the lakeshore. The dunefields mainly consist of transverse dunes, barchans, sand shadows and sand sheets. Yardangs, desert pavements, exhumed roots and decapitated soils were recognized in interdune areas. Longitudinal sand ridges, parallel to the prevailing wind direction, often remain preserved after the dunefields have passed. This allows to recognize the path of the dunes in the past. Sand ridges are recognized up to 28 km east from the present coast of the lake and evidenced former dunefields development. We describe the geomorphology context, landforms and sediments supply of dunefields related to the lake dynamics subject to clear tendency to desiccation.-
dc.descriptionFil: Montes, Alejandro. Universidad Nacional de la Patagonia ; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina-
dc.descriptionFil: Rodríguez, Silvana Soledad. Universidad Nacional de la Patagonia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina-
dc.descriptionFil: Domínguez, Carlos Eduardo. Universidad Nacional de la Patagonia; Argentina-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherElsevier-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.aeolia.2017.08.001-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1875963716301574-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.source.urihttp://hdl.handle.net/11336/64042-
dc.subjectDUNEFIELD-
dc.subjectEXTRA-ANDEAN PATAGONIA-
dc.subjectLAKE BASIN EVOLUTION-
dc.subjectSEDIMENT SUPPLY-
dc.subjectSOUTHERN WESTERLIES-
dc.subjectMeteorología y Ciencias Atmosféricas-
dc.subjectCiencias de la Tierra y relacionadas con el Medio Ambiente-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleGeomorphology context and characterization of dunefields developed by the southern westerlies at drying Colhué Huapi shallow lake, Patagonia Argentina-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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