Results 231 to 240 of about 1,907,032 (289)

Depositional processes of varved sediments from proglacial Lago Frías since 1800 CE (North Patagonian Andes, Argentina)

Boreas, EarlyView.
The glacierized Valle Frías in Northern Patagonia is one of the best‐studied valleys in South America and includes varved sediments from Lago Frías. We complement this lacustrine record with a high‐resolution documentation of varve counts and their composition.
Bernd Zolitschka, Philipp Böning, A. Catalina Gebhardt, M. Alicia Irurzun, Wojciech Tylmann, Christoph Vogt, Claudia S. G. Gogorza   +6 more
wiley   +1 more source

AlpIce‐1: a database of geochronological and geomorphological constraints on Alps‐wide palaeoglacier fluctuations between the Last Glacial Maximum and the Holocene

Boreas, EarlyView.
The AlpIce‐1 database is the first compilation of published geomorphological and geochronological markers constraining build‐up, culmination and decay of glaciers from the Last Glacial Maximum through the Holocene across the entire European Alps. AlpIce‐1 integrates more than 4200 surface‐exposure and radiocarbon ages, homogenized, quality controlled ...
Sarah Kamleitner, Susan Ivy‐Ochs, Tancrède P. M. Leger, Andreas Henz, Samuel U. Nussbaumer, Andreas Vieli, Guillaume Jouvet   +6 more
wiley   +1 more source

Changes in land‐snail communities and steppe environments in the lower Rhône valley during the Lateglacial–Holocene transition

Boreas, EarlyView.
Land snail successions in the lower Rhône valley allow us to reconstruct the postglacial recolonization. From the Lateglacial period onwards, Mediterranean steppe communities appeared. The arrival of forest taxa was significantly delayed by aridity. The question of glacial refugia, both local and distant, primarily concerned Mediterranean species of ...
Frédéric Magnin
wiley   +1 more source

Morphometric analysis of cirques in central Siberia's western Putorana Plateau: a proxy for palaeoclimate

Boreas, EarlyView.
A detailed morphometric analysis of 200 cirques across the western Putorana Plateau, central Siberia, was undertaken to investigate cirque development, reconstruct glaciers and infer palaeoclimatic conditions. Cirques are amphitheatre‐shaped landforms with mean length and widths of 936 and 1000 m, respectively, indicating a mature glacial landscape ...
Rachel P. Oien, Ethan Lee
wiley   +1 more source

A CANDIDATE SECTION FOR DEFINING THE LOWER-MIDDLE PLEISTOCENE BOUNDARY.

, 2004
RIO, DOMENICO, CHANNEL JT, CAPRARO, LUCA, VAI GB A. CANDIDATE SECTION FOR DEFINING THE LOWER MIDDLE PLEISTOCENE B.O.U.N.D.A.R.Y. ND IGC FLORENCE SCIENTIFIC S.E.S.S.I.O.N.S. A.G.O.S.T.O. ABSTRACT, SPROVIERI R   +4 more
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15 Chronometric techniques for the Middle Pleistocene

, 1995
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On the mechanism of the Middle Pleistocene Transition

Stratigraphy and Geological Correlation, 2015
The phenomenon of the Middle Pleistocene Transition (MPT)—a change of 41 k.y. periodicity of Pleistocene glacial cycles to 100 k.y. ones at about 1.24 Ma—is studied. Some MPT mechanisms proposed earlier by different authors are considered. It is concluded that the resonant MPT mechanism, implying the change in eigen (resonant) frequency of glacial ...
openaire   +1 more source

Middle Pleistocene handaxes from the Korean Peninsula

Journal of Human Evolution, 2006
We present four biface assemblages from an archaeologically poorly known region of the Old World: Middle Pleistocene Korea. The handaxes are derived from a series of Middle Pleistocene localities in the Imjin/Hantan River Basins (IHRB) in Korea. The best known of these localities is Chongokni, although a number of equally important sites in the IHRB ...
Christopher J, Norton, Kidong, Bae, John W K, Harris, Hanyong, Lee   +3 more
openaire   +2 more sources

The Early Middle Pleistocene in Europe

2020
These papers show how new research in the classic areas and Germany, but particularly in Eastern Europe, is radically altering views of the stratigraphy and palaeocology of the early-middle Pleistocene period, showing that major glaciations did not begin only in the late- middle Pleistocene.
openaire   +1 more source

The Middle Pleistocene human tibia from Boxgrove

Journal of Human Evolution, 1998
The Boxgrove tibia was discovered in 1993, associated with Middle Pleistocene fauna, and Lower Palaeolithic archaeology. The sediments at Boxgrove were deposited during a temperate interglacial episode and ensuing cold stage. They thus represent a wide range of modes and environments of deposition.
C B, Stringer, E, Trinkaus, M B, Roberts, S A, Parfitt, R I, Macphail   +4 more
openaire   +2 more sources