Results 21 to 30 of about 158,792 (169)

¿Cómo, dónde y cuánto? El uso de recursos vegetales y actividades de mantenimiento en grupos cazadores recolectores patagónicos [PDF]

open access: yesLa Zaranda de Ideas, 2007
Este trabajo analiza las características del uso de recursos vegetales y su incorporación dentro de las actividades de una localidad que evidencia un uso planificado.
Pamela Violeta Chávez
doaj   +1 more source

La producción y uso de artefactos óseos en Cueva Maripe, Santa Cruz, Argentina

open access: yesRevista del Museo de La Plata
Las investigaciones arqueológicas en diferentes sectores de la Patagonia demostraron la importancia del hueso como materia prima para las sociedades del pasado, aún desde los primeros poblamientos regionales.
Laura Marchionni, Laura Miotti
doaj   +1 more source

Glacial‐Interglacial Shifts in Export Productivity and Iron Flux in the Indian Sector of the Southern Ocean

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 8, August 2026.
Abstract Greater ocean export productivity fueled by enhanced delivery of iron to the Sub‐Antarctic Zone (SAZ) of the Southern Ocean is hypothesized to play an important role in reducing atmospheric CO2 during Pleistocene glaciations. However, spatial variability in iron input and nutrient availability complicates quantifying the integrated impact of ...
Joseph C. Cresswell   +14 more
wiley   +1 more source

Sugerencia de libros de Patagonia

open access: yes, 2022
El Paraíso tembló. Testimonios del terremoto de 1960 en la cordillera. Natalia Eleana Belenguer. Primera ed. De la Grieta, 2020. ISBN: 978-987-3815-66-9 Patagonia Rebelde (100 años). Esteban Bayer…et al. Primera ed. Red Editorial, 2021.
Difundiendo Saberes, Desde la Patagonia
core  

Experimentos y esquemas diacríticos para explorar técnicas de talla unifacial del Holoceno temprano en el noroeste de Santa Cruz

open access: yesRevista del Museo de Antropologia, 2020
En el registro arqueológico del Holoceno temprano del noroeste de la provincia de Santa Cruz se identificó una modalidad peculiar de manufactura de instrumentos líticos unifaciales.
Maria Teresa Civalero, Hugo G. Nami
doaj   +1 more source

Glacial Imprints and Marine Overprints: Sediment Architecture and Fjord Evolution in Fiordland, New Zealand

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 8, August 2026.
Abstract Fjords are globally significant sedimentary archives that record the relationship between glacial, tectonic, and marine processes. Fiordland, on the southwest coast of New Zealand, hosts one of the most extensive temperate fjord provinces in the Southern Hemisphere, yet its postglacial evolution has remained poorly constrained.
Ellen Unland   +6 more
wiley   +1 more source

El aprovechamiento de guanacos en la desembocadura del río Santa Cruz (Holoceno tardío)

open access: yesArqueologia, 2017
En este trabajo se analizan los restos óseos de guanaco (Lama guanicoe) recuperados en el conchero estratificado P 27, localizado en la desembocadura del río Santa Cruz (Patagonia).
A. Sebastián Muñoz, Paloma Zárate
doaj   +2 more sources

Comparação de produtos de precipitação para a América do Sul Comparison of precipitation products for South America

open access: yesRevista Brasileira de Meteorologia, 2009
Este trabalho compara cinco bancos de dados de precipitação para a América do Sul, para o período 2000 a 2004, considerando a variação meridional, a variação por diferentes bacias hidrográficas (Amazonas, Tocantins, São Francisco, Orinoco, Paraná/Prata ...
Lucía Iracema Chipponelli Pinto   +5 more
doaj   +1 more source

Windblown Diatoms for Reconstructing Westerly Wind Variability in the South Atlantic Sector of the Southern Ocean

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract Southern Hemisphere westerly winds are important drivers of Antarctic and sub‐Antarctic environmental change. Short observational wind records prevent us from fully understanding the scope of their variability. Proxy records provide valuable tools to extend environmental records. Here we present a novel wind study based on the use of windblown
Dieter R. Tetzner   +4 more
wiley   +1 more source

Optimal surface salinity perturbations of the meridional overturning and heat transport in a global ocean general circulation model [PDF]

open access: yes, 2008
Recent observations and modeling studies have stressed the influence of surface salinity perturbations on the North Atlantic circulation over the past few decades.
Nicolas Grima   +17 more
core   +1 more source

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