Results 11 to 20 of about 23,744 (306)
First direct dating of Late Pleistocene ice-wedges by AMS [PDF]
Earth and Planetary Science Letters, 2000 We present the first direct dating by C-14-accelerator mass spectrometry of three Late Pleistocene syngenetic ice-wedges from the Seyaha cross-section.
Jungner, H +6 more
core +4 more sources
Fossil Ice Wedges in Hampshire [PDF]
Nature, 1966 THREE large fossil ice wedges have been discovered in a coastal section exposed at Highcliffe in Hampshire (M.R. 215931). They are to be found within the Plateau Gravel in the uppermost part of the cliff at about 100′ O.D. Here 2.4 m of gravels rest on Barton Beds, at this point consisting of an impermeable glauconitic clay. On top of the gravels is an
openaire +3 more sources
Last glacial ice sheet dynamics offshore NE Greenland – a case study from Store Koldewey Trough [PDF]
The Cryosphere, 2020 The presence of a grounded Greenland Ice Sheet on the northeastern part of the Greenland continental shelf during the Last Glacial Maximum is supported by new swath bathymetry and high-resolution seismic data, supplemented with multi-proxy analyses of ...
I. L. Olsen +4 more
doaj +1 more source
Лëд и снег, 2020 The aim of the study was to establish the period of accumulation of peatland with ice wedges near Vorkuta town based on series of calibrated radiocarbon dates, to anchor in time the isotope-oxygen curve of syngenetic ice wedge from peatland and to ...
N. A. Budantseva, Yu. K. Vasil'chuk
doaj +1 more source
Лëд и снег, 2023 The investigation is concerned with the Early Holocene syngenetic massive wedge ice exposed in the outcrop of a polygonal peatland in the upper part of the third marine terrace near Lorino settlement on the eastern coast of Chukotka.
N. A. Budantseva +4 more
doaj +1 more source
Isotopic composition of oxygen and hydrogen of ice wedges in Central Yamal
Лëд и снег, 2021 New data on the distribution of the isotopes δ18О and δD of ice wedges in Central Yamal are presented. In the summer of 2019, the massive wedge ice was studied in the thermal circus of the third marine terrace.
Ju. N. Chizhova +2 more
doaj +1 more source
Isotopic composition on ground ice in Western Yamal (Marre-Sale)
Лëд и снег, 2015 The profile of Quaternary sediments near Marre-Salle polar station, Western Yamal Peninsula, has large bodies of tabular ground ice. This profile is considered strata-typical and critical in understanding of paleogeographic conditions of the Arctic in ...
I. D. Streletskaya +3 more
doaj +1 more source
Microtopographic control on the ground thermal regime in ice wedge polygons [PDF]
The Cryosphere, 2018 The goal of this research is to constrain the influence of ice wedge polygon microtopography on near-surface ground temperatures. Ice wedge polygon microtopography is prone to rapid deformation in a changing climate, and cracking in the ice wedge ...
C. J. Abolt +4 more
doaj +1 more source
Remote Sensing, 2021 In response to increasing Arctic temperatures, ice-rich permafrost landscapes are undergoing rapid changes. In permafrost lowlands, polygonal ice wedges are especially prone to degradation.
Tabea Rettelbach +6 more
doaj +1 more source
Ice-wedge stable isotopes at the Dmitry Laptev Strait (Northeast Siberian Arctic) – indications for Late Quaternary stratigraphy and paleoclimate [PDF]
, 2016 Ice wedges are the most abundant type of ground ice in the ice-rich permafrost deposits of the Northeast Siberian Arctic. They are formed by the periodic repetition of frost cracking and subsequent crack filling and refreezing in spring, mostly by melt ...
Dereviagin, Alexander Yu +5 more
core +1 more source