Results 11 to 20 of about 28,257 (311)

Northern Hemisphere Glaciation during the Globally Warm Early Late Pliocene [PDF]

open access: yes, 2013
The early Late Pliocene (3.6 to ∼3.0 million years ago) is the last extended interval in Earth's history when atmospheric CO<sub>2</sub> concentrations were comparable to today's and global climate was warmer.
Head, Martin J.   +47 more
core   +1 more source

The last glaciation of Shetland : local ice cap or invasive ice sheet? [PDF]

open access: yes, 2013
Issue ISBN: 978-82-92-39488-5 This work is supported by the Carnegie Trust for the Universities of ScotlandThe question of whether the Shetland Islands were covered by an ice cap or by an ice sheet during the last glacial cycle (40–10 ka) remains ...
Hall, A. M.
core   +2 more sources

Changes and representativeness of mountain glaciation parameters

open access: yesЛëд и снег, 2020
The study was aimed at analysis of changes in the area Fgl, the number Ngl and statistical parameters of distribution for different aggregates of glaciers over two periods: 1946–1975 and 1976–2005.
V. G. Konovalov
doaj   +1 more source

Mountain uplift and the glaciation of North America – a sensitivity study [PDF]

open access: yes, 2010
The Miocene (24 to 5 million years ago) wasa period of relative global warmth compared to the Quaternary(2 million years ago to present; e.g. Zachos et al.,2001) and was characterised by the intermittent glaciationof Antarctica only.
Lunt, D.J.   +11 more
core   +2 more sources

Predictive Mapping of Glacial and Fluvioglacial Landforms in the Nadym River Basin (North of West Siberia) With TanDEM-X DEM

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Remote mapping of glacier and fluvioglacial landforms has been extensively used globally. It is supported by a range of mid-scale spatial datasets (space imaging and digital terrain models) available to the research community.
Oleg Sizov
doaj   +1 more source

Early land plant remains from the uppermost Ordovician–?lowermost Silurian Cedarberg Formation of South Africa [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
The Cape Supergroup forms a regionally extensive and extremely thick Ordovician to Carboniferous succession of sedimentary rocks in southwestern South Africa.
Charles H. Wellman   +2 more
doaj   +1 more source

Changes in shelf phosphorus burial during the Hirnantian glaciation and its implications [PDF]

open access: yesEstonian Journal of Earth Sciences, 2023
The Late Ordovician mass extinction occurred during an icehouse interval, accompanied by the glaciation of the supercontinent Gondwana, which was located at the South Pole at that time.
Johann Müller   +4 more
doaj   +1 more source

Demographic history and gene flow in the peatmosses Sphagnum recurvum and Sphagnum flexuosum (Bryophyta: Sphagnaceae)

open access: yesEcology and Evolution, 2022
Population size changes and gene flow are processes that can have significant impacts on evolution. The aim of this study was to investigate the relationship of geography to patterns of gene flow and population size changes in a pair of closely related ...
Karn Imwattana   +3 more
doaj   +1 more source

Fluctuations of the Vestfonna ice margin at Brageneset, Nordaustlandet, Svalbard, after the last glacial maximum [PDF]

open access: yesBulletin of the Geological Society of Finland, 1995
Four radiocarbon datings of shells of Mya truncata and Saxicava arctica from the till of the end-moraine of the advance of Vestfonna against Brageneset, Nordaustlandet, between AD 1861 and 1899, gave ages between 8300 BP and 8700 BP.
J.J. Donner, R.G. West
doaj   +1 more source

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