Results 131 to 140 of about 2,119 (182)

Mid Pleistocene Transition caused by decline in atmospheric CO2

Nuber S, Chalk T, Ji X, Scherrenberg M, Heaton T, Zhang X, Stap L, Trudgill M, Block H, Jian Z, Xu C, Kubota K, Andersen M, Barker S, Yu J, Foster G, Rae J.   +16 more
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Palaeoclimates

Journal of the Geological Society, 1990
Research into palaeoclimate was reviewed at the third Lyell Meeting of the Geological Society on 23 February 1989. These meetings in honour of one of the founding fathers of Geology were recently inaugurated by the Palaeontological Association and the Geological Society and the title of this meeting, Palaeoclimates, was an apt celebration ...
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Geomagnetism and palaeoclimate

2019
The most striking apparent ‘magnetic indicator’ of palaeoclimate is the intensity of natural remanent magnetisation (NRM). Cool temperature episodes correspond with high NRM intensities and vice versa. Concentration-related parameters which effectively monitor changes in the flux-density of terrigenous components to the sediment, are superimposed on a ...
Frank Oldfield, Simon G. Robinson
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Palaeoclimate modeling

Boreas, 1985
Book reviewed in this article:Cihazi, A. (ed.) 1983: Palaeoclimatic Research and Models. Report and Proceedings of the Workshop held in Brussels.
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Drake Passage and palaeoclimate

Journal of Quaternary Science, 2000
The effect of Drake Passage on the Earth's climate is examined using an idealised coupled model. It is found that the opening of Drake Passage cools the high latitudes of the southern hemisphere by about 3°C and warms the high latitudes of the northern hemisphere by nearly the same amount.
J. R. Toggweiler, H. Bjornsson
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A palaeoclimate model for the Kimmeridgian

Palaeogeography, Palaeoclimatology, Palaeoecology, 1992
Abstract Most attempts at using numerical General Circulation Model (GCM) to simulate Mesozoic climates have studied the Late Cretaceous and have focused on the enigmaof apparently equable global climates. However, this climate regime lasted throughout the Mesozoic and it is of interest to examine other periods.
Valdes, PJ, Sellwood, BW
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A theory of palaeoclimate reconstruction

2020
<p>Past climate states can be used to test climate models for present-day changes and future responses. Past states can be reconstructed from fossil assemblages, and WA-PLS (weighted averaging–partial least squares) is one of the most widely used statistical methods to do this.
Mengmeng Liu, Iain Colin Prentice, Cajo ter Braak, Sandy Harrison   +3 more
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Holocene Palaeoclimates of Africa

African Archaeological Review, 1997
Examination of climatic inferences based on palynological, geomorphic, sedimentological, and other proxy data reveals a coherent picture of a generally wet early Holocene and drier conditions, with a time-transgressive clinal change commencing ca, 4500 B.P. The large-scale climatic periods in Africa during the Late Quaternary were interrupted by abrupt
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Holocene Palaeoclimate in the Saharo—Arabian Desert

2004
Palaeoclimate data from the Saharo—Arabian region are reviewed to investigate their potential for deciphering shifts is nature and geographical extent of past precipitation regimes. Presently the northern sector of the Saharo—Arabian arid/semi-arid region receives much of its rainfall during the winter half of the year, in association with middle- to ...
Prasad, S., Negendank, J.
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Palaeoclimate science: Pulsating ice sheet

2017
During the last ice age, huge numbers of icebergs were episodically discharged from an ice sheet that covered North America. Numerical modelling suggests that these events resulted from a conceptually simple feedback cycle.
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