Isla grande de tierra del fuego

Luis Díaz Balocchia Laboratorio de Geomorfología y Cuaternario, centro Austral del Investigaciones Científicas (CADIC), CONICET, Ushuaia, Argentina;b Facultad de Ciencias exactas y Naturales, Departamento ese Ciencias Geológicas, universidad de buena gente Aires, buena gente Aires, ArgentinaCorrespondenceluis.diazbalocchi

Estás mirando: Isla grande de tierra del fuego

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Juan Federico Poncea Laboratorio del Geomorfología y Cuaternario, centro Austral ese Investigaciones Científicas (CADIC), CONICET, Ushuaia, Argentina;c Instituto después Ciencias Polares, entorno y camino Naturales, universidad Nacional del Tierra del Fuego, Ushuaia, ArgentinaView further author information
Alfonsina Tripaldib Facultad ese Ciencias exactas y Naturales, Departamento de Ciencias Geológicas, comrcialmente de buena gente Aires, cosas buenas Aires, Argentina;d Instituto del Geociencias Básicas, Aplicadas y Ambientales del Buenos aires (IGEBA), CONICET – commmratly de buena gente Aires, cosas buenas Aires, ArgentinaView further author information

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Ignacio Magneresa Laboratorio ese Geomorfología y Cuaternario, centrar Austral de Investigaciones Científicas (CADIC), CONICET, Ushuaia, ArgentinaView further writer information

ABSTRACT

A 1:60,000 range geomorphological mapa of ns Argentine página of the northeastern excessive of Isla tamaño de Tierra después Fuego in southernmost South estados unidos de américa is presented. This paper describes and summarizes ns geomorphology of the mapped area, which includes glacial, periglacial, fluvial, coastal, aeolian, lacustrine, and anthropogenic landforms that span gastos generales 680 km2 north of smo Sebastián just in un sparsely lived in semiarid y cold steppe offered for lamb breeding y hydrocarbon extraction. We offered Landsat-8, Sentinel-2, y ALOS-PALSAR satellite products combined with campo validation to create the map. Glacial advances y retreats and climatic and sea level fluctuations the controlled fluir systems and coastal dynamics were los main sculptors of ns landscape during los Late Cenozoic. Aeolian, lacustrine, and anthropogenic task were later on minor contributors. The presented free, open up access, vector geomorphological map is intended to be a supporting device for multidisciplinary researchers and decision-makers.


KEYWORDS:

Magellan StraitSan Sebastián BayPatagoniaLate Cenozoic glaciationshummocky moraineglacial landsystems

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1. Introduction

Isla estupendo de Tierra después Fuego (IGTdF) is situated at ns southern extreme of South america (Main Map; personaje 1). The is enclosed by the southern Andes variety to ns west and south, y surrounded by los Atlantic, Pacific, y Southern Oceans. IGTdF have the right to be split into dos main morphological regions: ns Fuegian Andes to the south y west, and the levels to the norte (Fernández et al., 2018). During the Late Cenozoic, the landscape of IGTdF was intensely modified by number of outlet glaciers the flowed down from the montañas Darwin ice sheet situated in los Fuegian Andes (Caldenius, 1932; Nordenskjöld, 1899). At miscellaneous times, glacial breakthroughs extended aside from that north y east than the mountain range, into ns plains, reaching the study area that this document (Coronato et al., 1999). Los related glacio-eustatic-, glacio-isostatic-, and neotectonic-induced relative sea level oscillations left un well-defined marcos on seaside landscapes.