Готові списки джерел за темами / Last glaciation (MIS3 à 2)

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Добірка наукової літератури з теми "Last glaciation (MIS3 à 2)"

Автор: Grafiati

Опубліковано: 15 червня 2024

Оновлено: 31 липня 2025

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Статті в журналах з теми "Last glaciation (MIS3 à 2)"

Liakka, J., M. Löfverström, and F. Colleoni. "The impact of the North American ice sheet on the evolution of the Eurasian ice sheet during the last glacial cycle." Climate of the Past Discussions 11, no. 6 (2015): 5203–41. http://dx.doi.org/10.5194/cpd-11-5203-2015.

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Abstract. Modeling studies show that the massive ice sheet expanding over the North American and Eurasian continents in the last glacial cycle has a large impact on the atmospheric stationary waves and thus yielded a glacial climate distinctly different from the present. However, to what extent the two ice sheets influenced each others growth trajectories remains largely unexplored. In this study we investigate how ice sheets in North America influence the downstream evolution of the Eurasian ice sheet, using a thermomechanical ice-sheet model forced by climate data from snapshot simulations o

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Liakka, Johan, Marcus Löfverström, and Florence Colleoni. "The impact of the North American glacial topography on the evolution of the Eurasian ice sheet over the last glacial cycle." Climate of the Past 12, no. 5 (2016): 1225–41. http://dx.doi.org/10.5194/cp-12-1225-2016.

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Abstract. Modeling studies have shown that the continental-scale ice sheets in North America and Eurasia in the last glacial cycle had a large influence on the atmospheric circulation and thus yielded a climate distinctly different from the present. However, to what extent the two ice sheets influenced each others' growth trajectories remains largely unexplored. In this study we investigate how an ice sheet in North America influences the downstream evolution of the Eurasian ice sheet, using a thermomechanical ice-sheet model forced by climate data from atmospheric snapshot experiments of thre

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Van Meerbeeck, C. J., H. Renssen, and D. M. Roche. "How did Marine Isotope Stage 3 and Last Glacial Maximum climates differ? Perspectives from equilibrium simulations." Climate of the Past Discussions 4, no. 5 (2008): 1115–58. http://dx.doi.org/10.5194/cpd-4-1115-2008.

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Abstract. Dansgaard-Oeschger events occurred frequently during Marine Isotope Stage 3 (MIS3), as opposed to the following MIS2 period, which included the Last Glacial Maximum (LGM). Transient climate model simulations suggest that these abrupt warming events in Greenland and the North Atlantic region are associated with a resumption of the Thermohaline Circulation (THC) from a weak state during stadials to a relatively strong state during interstadials. However, those models were run with LGM, rather than MIS3 boundary conditions. To quantify the influence of different boundary conditions on t

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Van Meerbeeck, C. J., H. Renssen, and D. M. Roche. "How did Marine Isotope Stage 3 and Last Glacial Maximum climates differ? – Perspectives from equilibrium simulations." Climate of the Past 5, no. 1 (2009): 33–51. http://dx.doi.org/10.5194/cp-5-33-2009.

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Ploskov, A. N., A. V. Eliseev, and I. I. Mokhov. "ENSEMBLE MODELLING OF ICE SHEET DYNAMICS IN THE LAST GLACIAL CYCLE." Доклады Российской академии наук. Науки о Земле 510, no. 1 (2023): 99–105. http://dx.doi.org/10.31857/s2686739722602873.

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Ensemble simulations (taking into account uncertainty of paleoclimate reconstructions) with a models for ice sheets dynamics for the last glacial cycle (last 128 kyr) are carried out. The model realistically reproduces spatial structure of major ice sheets and heights of their domes in the Northern hemisphere as well as the associated changes in global sea level. Perturbations with a sufficiently large amplitude applied to the initial paleoreconstruction result in marked differences of the modelling, in particular, durimg the Last Glacial maximu and during 58–51 kyr before present (the initial

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Castillo-Llarena, Andrés, Franco Retamal-Ramírez, Jorge Bernales, Martín Jacques-Coper, Matthias Prange, and Irina Rogozhina. "Climate and ice sheet dynamics in Patagonia throughout marine isotope stages 2 and 3." Climate of the Past 20, no. 7 (2024): 1559–77. http://dx.doi.org/10.5194/cp-20-1559-2024.

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Abstract. During the Last Glacial Maximum (LGM, ∼ 23 000 to 19 000 years ago), the Patagonian Ice Sheet (PIS) covered the central chain of the Andes between ∼ 38 to 55° S. Existing paleoclimate evidence – mostly derived from glacial landforms – suggests that maximum ice sheet expansions in the Southern Hemisphere and Northern Hemisphere were not synchronized. However, large uncertainties still exist in the timing of the onset of regional deglaciation and its major drivers. Here we present an ensemble of numerical simulations of the PIS during the LGM. We assess the skill of paleoclimate model

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Zolnikov, I. D., I. C. Novikov, E. V. Deev, A. V. Panin, and R. N. Kurbanov. "The Last Glaciation and Ice-Dammed Lakes in the South-East Altai." Journal "Ice and snow" 63, no. 4 (2023): 639–51. http://dx.doi.org/10.31857/s207667342304018x.

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Received June 8, 2023; revised September 4, 2023; accepted October 2, 2023The palaeogeographic scheme of the distribution of glaciers and ice-dammed lakes in the Altai during the last global glaciation (MIS-2) was compiled based on a detailed large-scale geomorphological survey. Analysis of geomorphological traces of glaciers of this time indicates that they occupied smaller areas than those of the first Late Pleistocene glaciation. By this means, the ice dams created by them were smaller that resulted in small sizes of ice-dammed lakes. The preserved levels of terraces indicate that during th

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Lian, Olav B., and Stephen R. Hicock. "Lithostratigraphy and limiting optical ages of the Pleistocene fill in Fraser River valley near Clinton, south-central British Columbia." Canadian Journal of Earth Sciences 38, no. 5 (2001): 839–50. http://dx.doi.org/10.1139/e00-103.

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The Fraser River valley near Clinton contains a thick sediment fill that is presently incised down to bedrock. The sequence, approximately 500 m thick, is generally upward fining and consists of up to 100 m of glacigenic debris flow diamicton and glaciofluvialdeltaic gravel and sand at the base, overlain by about 350 m of glaciolacustrine sediments and minor diamicton, which is in turn capped by several metres of till. The sequence is interpreted to represent (i) valley aggradation in response to glaciation, followed by (ii) the impoundment of the valley by sediment and (or) ice, and the form

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Lehmkuhl, Frank, Michael Klinge, Henrik Rother, and Daniela Hülle. "Distribution and timing of Holocene and late Pleistocene glacier fluctuations in western Mongolia." Annals of Glaciology 57, no. 71 (2016): 169–78. http://dx.doi.org/10.3189/2016aog71a030.

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Abstract.Despite being a key location for paleoglaciological research in north-central Asia, with the largest number of modern and Pleistocene glaciers, and in the transition zone between the humid Russian Altai and dry Gobi Altai, little is known about the precise extent and timing of Holocene and late Pleistocene glaciations in western Mongolia. Here we present detailed information on the distribution of modern and late Holocene glaciers, and new results addressing the geomorphological differentiation and numerical dating (by optically stimulated luminescence, OSL) of Pleistocene glacial seq

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Glushkova, O. Yu, та V. N. Smirnov. "Реконструкция масштабов и морфологических особенностей плейстоценовых оледенений на Северо-Востоке России". Bulletin of the North-East Science Center, № 2 (30 червня 2021): 50–67. http://dx.doi.org/10.34078/1814-0998-2021-2-50-67.

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Based on the currently available data, it has been established that the earliest glaciations occurred in the Late Eopleistocene and at the end of the Early Neopleistocene. They had local distribution in the most uplifted parts of the Chersky Range. Their traces are presented in the form of moraines enclosed in sediments of intermontain depressions. Glacial forms of this age have not been identified in the relief of mountains and plains in the North-East of Russia. The Middle Neopleistocene glaciation was the largest, both in area and length of individual glaciers. It was mountain-valley and re

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Більше джерел

Дисертації з теми "Last glaciation (MIS3 à 2)"

Pallier, Céline. "De l’enregistrement sédimentaire en milieu karstique à la taphonomie des sites archéologiques du Paléolithique supérieur (MIS 3-MIS 2) : les apports de la grotte du Mas d’Azil et de la vallée de l’Arize (Pyrénées, France)." Electronic Thesis or Diss., Toulouse 2, 2021. http://www.theses.fr/2021TOU20011.

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La grotte du Mas d’Azil, traversée par l’Arize, a conservé les témoignages de dynamiques hydrosédimentaires du dernier cycle glaciaire, qui ont conditionné à la fois les occupations humaines durant le Paléolithique supérieur et la conservation des vestiges archéologiques. Ainsi, comment l’étude d’un tel enregistreur sédimentaire peut-elle répondre à la question des lacunes archéologiques de la dernière période glaciaire ?Des hiatus, chronologiques ou d’ordre spatial, sont observés dans les occupations de la grotte. Quelle signification leur attribuer : absence des humains ou conservation diffé

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Sandström, Sonja. "Central Asian ice-marginal moraines of the global last glacial maximum : An analysis of topographic features affecting the glaciation pattern in the Tian Shan and Altai mountains." Thesis, Stockholms universitet, Institutionen för naturgeografi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-155171.

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Glacial runoff from the Tian Shan and Altai Mountains is an important water resource, especially for people living in the arid areas of Central Asia. Measured water volumes from glaciers have decreased, and glacier area have shrunk with 50-90% since the Little Ice Age. Lack of knowledge regarding glaciers in high mountain areas, and the impact from climate change makes this an important field to investigate. This thesis focuses on topographic features and their impact on spatial glaciation patterns; today and during the global last glacial maximum, 19-30 thousand years ago (ka). From selected

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Частини книг з теми "Last glaciation (MIS3 à 2)"

Peterson, Jim A., S. Chandra, and Christian Lundberg. "Landforms from the Quaternary glaciation of Papua New Guinea: an overview of ice extent during the Last Glacial Maximum." In Developments in Quaternary Sciences. Elsevier, 2004. http://dx.doi.org/10.1016/s1571-0866(04)80136-2.

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Robinson, Beren W., and Dolph Schluter. "Natural Selection and the Evolution of Adaptive Genetic Variation in Northern Freshwater Fishes." In Adaptive Genetic Variation In The Wild. Oxford University PressNew York, NY, 2000. http://dx.doi.org/10.1093/oso/9780195121834.003.0003.

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Abstract The fishes inhabiting depauperate northern postglacial lakes and rivers have lately experienced high rates of divergence and species formation. The study of these fishes provides insight into how genetic variation in populations is molded by divergent environmentally based selection and how genetic variation and selection interact to cause rapid diversification. We summarize patterns of variation and divergence in the trophic traits of these fishes and show that (1) populations in depauperate environments often have elevated levels of niche-based phenotypic variation, which regularly

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Тези доповідей конференцій з теми "Last glaciation (MIS3 à 2)"

Solhjell, E., D. Moellenbeck, S. Yang, and J. W. Lakeman. "Geotechnical Properties of Subglacial Till at Baltic Sea Offshore Wind Farm Sites." In Offshore Technology Conference. OTC, 2024. http://dx.doi.org/10.4043/35172-ms.

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Abstract Detailed geotechnical soil investigation surveys have been performed with onshore laboratory testing and interpretation to support the development of two wind farm sites, herein denoted Sites 1 and 2, in the Baltic Sea, offshore Poland. The two wind farms are planned to have about 50 wind turbines each with a total combined capacity of about 1.4 GW. Large diameter monopiles have been selected as the foundation concept with a target embedment length ranging from 25 m to 40 m. The presence of an overconsolidated, high to ultra-high strength subglacial till layer, located at a depth of a

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