Results 21 to 30 of about 7,206 (264)

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

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

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

Late Quaternary evolution of the sedimentary environment in Modrejce near Most na Soči (Soča Valley, Julian Alps)

open access: yesGeologija, 2020
Geomorphological and geological mapping have long been used to study the glacial history of the Slovenian Alps, but many uncertainties remain regarding the time and extent of Pleistocene glaciations there.
Petra JAMŠEK RUPNIK   +2 more
doaj   +1 more source

Till stratigraphy in southern and western Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1992
This paper gives a review over the recent discoveries and results of Quaternary stratigraphical studies in southern and western Finland. The study of Quaternary stratigraphy has been very active and both Quaternary departments in Universities and ...
K. Nenonen
doaj   +1 more source

Cirque Floor Altitude of the Gangdise Mountains and its Controlling Factors

open access: yesFrontiers in Earth Science, 2022
The cirque floor altitude (CFA) was used to indicate the patterns of paleoprecipitation, paleocloudiness, palaeoglaciation, and paleo-equilibrium line altitude (ELA).
Jiahui Dou   +3 more
doaj   +1 more source

Carbon and oxygen isotope geochemistry of Ediacaran outer platform carbonates, Paraguay Belt, central Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2007
After the late Cryogenian glaciation the central region of Brazil was the site of extensive deposition of platformal carbonates of the Araras Group. This group includes a basal cap carbonate sequence succeeded by transgressive, deep platform deposits of ...
Claudio Riccomini   +2 more
doaj   +1 more source

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