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glacial cycle

Evolution of the large-scale atmospheric circulation in response to changing ice sheets over the last glacial cycle

Evolution of the large-scale atmospheric circulation in response to changing ice sheets over the last glacial cycle

... 4.2 Self-induced temperature anomalies in summer A key factor controlling the evolution of the ice sheets is the summer surface temperature, as it is in the warm sea- son that significant ablation occurs. The temperature ...

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Numerical simulations of the Cordilleran ice sheet through the last glacial cycle

Numerical simulations of the Cordilleran ice sheet through the last glacial cycle

... deep glacial valleys and ...strong glacial im- print that indicates ice drainage in a system of distinct glacial troughs emanating in a radial pattern from the centre of the mountain range (Kleman et ...

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Modelling the northern hemisphere and Antarctic ice sheet changes through the last glacial cycle

Modelling the northern hemisphere and Antarctic ice sheet changes through the last glacial cycle

... As part of the global approach to the niodelling of the last glacial cycle, the Antarctic Ice Sheet model was driven by the same sea level forcing as was applied to the northern hemisphe[r] ...

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The impact of the North American glacial topography on the evolution of the Eurasian ice sheet over the last glacial cycle

The impact of the North American glacial topography on the evolution of the Eurasian ice sheet over the last glacial cycle

... the glacial cycle and not immediately subsequent to the inception phase? The answer to this question is complicated by the fact that the orienta- tion of the Atlantic storm track, which has a large impact ...

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Coupled Northern Hemisphere permafrost–ice-sheet evolution over the last glacial cycle

Coupled Northern Hemisphere permafrost–ice-sheet evolution over the last glacial cycle

... NH area of permafrost not covered by ice sheets and NH permafrost volume are strongly affected by ice sheets. Both area and volume are much larger over Eurasia than over North America (Fig. 10), and the time evolution is ...

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Simulation of the last glacial cycle with a coupled climate ice-sheet model of intermediate complexity

Simulation of the last glacial cycle with a coupled climate ice-sheet model of intermediate complexity

... one glacial cycle with a state-of- the-art coupled GCM remains computationally extremely de- ...of glacial variability on orbital time scales can be successfully reproduced, even when using a large ...

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Statistical downscaling of a climate simulation of the last glacial cycle: temperature and precipitation over Northern Europe

Statistical downscaling of a climate simulation of the last glacial cycle: temperature and precipitation over Northern Europe

... full glacial cycles, the GCMs are computationally far too ...last glacial cycle; however, in their work the ice sheet was prescribed and not coupled with the climate component of the ...

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Modelling last glacial cycle ice dynamics in the Alps

Modelling last glacial cycle ice dynamics in the Alps

... last glacial cycle (120–0 ka) in the Alps, using horizontal resolutions of 2 and 1 ...early glacial cycle ice cover and a late Last Glacial ...

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Laurentide Ice Sheet basal temperatures during the last glacial cycle as inferred from borehole data

Laurentide Ice Sheet basal temperatures during the last glacial cycle as inferred from borehole data

... Abstract. Thirteen temperature–depth profiles ( ≥ 1500 m) measured in boreholes in eastern and central Canada were inverted to determine the ground surface temperature histo- ries during and after the last glacial ...

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The importance of snow albedo for ice sheet evolution over the last glacial cycle

The importance of snow albedo for ice sheet evolution over the last glacial cycle

... last glacial cycle is very sensitive to the representation of snow albedo in the ...during glacial times and consequently to a failure in simulating ...

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New approaches to field model data comparison: numerical modelling of the last glacial cycle in the Welland catchment, England

New approaches to field model data comparison: numerical modelling of the last glacial cycle in the Welland catchment, England

... Temporal definition of phases was also tightly constrained. As discussed above, a number of depositional and erosional phases can be identified during the last glacial cycle in the Welland catchment (Table ...

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Carbon burial in deep-sea sediment and implications for oceanic inventories of carbon and alkalinity over the last glacial cycle

Carbon burial in deep-sea sediment and implications for oceanic inventories of carbon and alkalinity over the last glacial cycle

... burial in the deep ocean coupled with uncertainties in mod- ern fluxes (Table 2) implies changes in the alkalinity inven- tory that could reach up to 100 µequ kg −1 , with a minimum centered around ∼ 70 kyr near the ...

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The effect of sediment loading in Fennoscandia and the Barents Sea during the last glacial cycle on glacial isostatic adjustment observations

The effect of sediment loading in Fennoscandia and the Barents Sea during the last glacial cycle on glacial isostatic adjustment observations

... post- glacial sedimentation rates of 10 mm yr −1 , compared to a background sedimentation rate over a glacial cycle of 1 mm yr −1 ...entire glacial cycle is considered, which is ...

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Paleoenvironmental reconstruction of the last glacial cycle in the continental Iberia: the Cañizar de Villarquemado sequence (Teruel)

Paleoenvironmental reconstruction of the last glacial cycle in the continental Iberia: the Cañizar de Villarquemado sequence (Teruel)

... inter- glacial, el patrón de la vegetación de áreas muy continentales como nuestra zona de estu- dio, no respondería ni al dominio de caducifolios registrado en secuencias europeas, donde la evapotranspiración no ...

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Using Clumped Isotopes and Radiocarbon to Characterize Rapid Climate Change During the Last Glacial Cycle

Using Clumped Isotopes and Radiocarbon to Characterize Rapid Climate Change During the Last Glacial Cycle

... Deep-sea corals are sessile filter feeders, so it is likely that surface ocean productivity is another important factor in controlling coral growth. Annual and decadal time-series studies in the modern ocean show that ...

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Comparison of surface mass balance of ice sheets simulated by positive-degree-day method and energy balance approach

Comparison of surface mass balance of ice sheets simulated by positive-degree-day method and energy balance approach

... glacial cycle. Our analysis showed that for a realistic simulation of glacial termination, signifi- cantly larger PDD melt factors are required than for simulat- ing glacial ...

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Bayesian model selection for the glacial interglacial cycle

Bayesian model selection for the glacial interglacial cycle

... the glacial cycle, and about the internal dynamics generating the glacial cycle, even though the dif- ference between the two estimated chronologies is consistent with dating ...

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Bayesian model selection for the glacial-interglacial cycle

Bayesian model selection for the glacial-interglacial cycle

... the glacial cycle, and about the internal dynamics generating the glacial cycle, even though the dif- ference between the two estimated chronologies is consistent with dating ...

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Low-latitude climate variability in the Heinrich frequency band of the Late Cretaceous greenhouse world

Low-latitude climate variability in the Heinrich frequency band of the Late Cretaceous greenhouse world

... sub-Milankovitch cycle at Site 516F fits the recurrence time of Heinrich events (mas- sive input of ice-rafted debris in the North Atlantic) of the last glacial cycle remarkably ...last ...

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Modelling ice sheet evolution and atmospheric CO2 during the Late Pliocene

Modelling ice sheet evolution and atmospheric CO2 during the Late Pliocene

... Last Glacial Maximum (Sin- garayer and Valdes, 2010), they were able to simultaneously simulate the evolution of the ice sheets on North America, Eurasia, Greenland and Antarctica throughout the last ...

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