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permafrost

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Journal Article
Published: 13 July 2022
Journal of the Geological Society (2022) 179 (5): jgs2021-135.
...Ekaterina V. Garankina; Vasily A. Lobkov; Ilya G. Shorkunov; Vladimir R. Belyaev Abstract Watershed landscapes of the Central Russian Plain, which were subjected to the Late Pleistocene permafrost, bear witness to widespread cryogenic structuring. It is reflected both in semi-regular spots, blocks...
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Journal Article
Published: 03 January 2022
American Mineralogist (2022) 107 (1): 153–155.
...D. D. Eberl Abstract The Martian blueberries, first discovered by NASA’s Opportunity rover, are concretions likely formed in sediments from hydrothermal solutions resulting from bolide impact into groundwater or permafrost. Evidence for this conclusion comes from the shapes of particle size...
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Journal Article
Published: 01 January 2022
Russ. Geol. Geophys. (2022) 63 (1): 98–108.
... by solving such problems as determining the thickness of loose deposits, tracing buried valleys, obtaining the thickness and sometimes lithological types of loose deposits, and identifying talik zones and permafrost boundaries. The document given in ( Budilin et al., 1992 ) regulates the use of vertical...
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Journal Article
Published: 23 July 2021
Quarterly Journal of Engineering Geology and Hydrogeology (2022) 55 (1): qjegh2021-026.
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Journal Article
Published: 07 July 2021
Seismological Research Letters (2021) 92 (5): 2891–2904.
... the ambient wavefield of the region and to investigate permafrost dynamics through estimates of seismic velocity variations. We are motivated by a need for early geophysical detection of potentially hazardous changes to permafrost stability. We draw upon several data sources to constrain various aspects...
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Journal Article
Journal: Geophysics
Published: 17 June 2021
Geophysics (2021) 86 (5): WB61–WB75.
...Matthias Steiner; Florian M. Wagner; Theresa Maierhofer; Wolfgang Schöner; Adrián Flores Orozco ABSTRACT Quantitative estimation of subsurface water and ice content values is critical for the understanding and modeling of permafrost evolution in alpine regions. Geophysical methods permit...
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Journal Article
Journal: Geology
Published: 03 June 2021
Geology (2021) 49 (9): 1117–1121.
...Yuan Yao; Yongsong Huang; Jiaju Zhao; Li Wang; Youhua Ran; Weiguo Liu; Hai Cheng Abstract Lakes in the permafrost zone have been proposed to serve as key outlets for methane and carbon dioxide emissions. However, there has been no geological record of the hydrological and biogeochemical responses...
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Series: Geological Society, London, Memoirs
Published: 27 May 2021
DOI: 10.1144/M55-2018-56
EISBN: 9781786209863
... Foster ( López-Martínez et al. 2002 a ) (see a simplified version in Fig. 6 ). Permafrost is present on the island, with an active layer normally ranging from 20 cm to more than 1 m in depth, having been detected in recent shallowing of the thaw depth ( Ramos et al. 2017 ). Fig. 4. Digital...
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Journal Article
Published: 04 March 2021
Quarterly Journal of Engineering Geology and Hydrogeology (2021) 54 (2): qjegh2020-076.
... of a large landslide was considered; however, in some adjacent boreholes highly fractured material was recovered, suggesting a high-angle brecciated fault plane. The site is in an area that would have experienced periglacial (permafrost) conditions during the Quaternary ( Fig. 7 ). A significant...
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Journal Article
Published: 01 February 2021
Russ. Geol. Geophys. (2021) 62 (2): 157–172.
... to the presence of permafrost whose thickness is estimated from drilling data at 60–120 m on the ESS coast and 2.8–25 m at sea depth in excess of 4 m. At this, regions of bottom sediments with temperatures +0.1…+1.9 °C are reported from the Herald-Wrangel massif ( Figs. 1 , 2 , stations 240–290), the Pegtymel...
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Journal Article
Journal: Geosphere
Published: 02 November 2020
Geosphere (2020) 16 (6): 1479–1494.
... area and adds emphasis on surficial units, distinguishing multiple glacial deposits, hillslope deposits, landslides, and alluvial units that were previously grouped. Results indicate that slope angle, lithology, and thawing ice-rich permafrost exert first-order controls on landslide occurrence...
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Journal Article
Journal: Geophysics
Published: 08 September 2020
Geophysics (2020) 85 (5): MR309–MR323.
..., with the location of well AS-B-2 marked with a red dot (maps courtesy of the Norwegian Polar Institute). permafrost rock physics surface wave time lapse environmental The terrestrial Arctic mainly is covered by continuous or discontinuous permafrost, defined as perennially cryotic ground...
Journal Article
Published: 04 September 2020
Environmental & Engineering Geoscience (2020) 26 (4): 405–425.
... Range, in which permafrost is present ( Wahrhaftig, 1965 ). The landslide occurred in the Tertiary Nenana Gravel Unit, which is a poorly consolidated fluvial deposit consisting mostly of pebble to boulder conglomerate and coarse-grained sandstone, with interbedded mudflow deposits, thin claystone layers...
Journal Article
Published: 01 August 2020
Russ. Geol. Geophys. (2020) 61 (8): 929–936.
... that occurred in the region for the past twenty years at distances from 32 to 280 km from the stations. The influence of seasonal temperature variations on the frequency responses of coseismic ground motion is discussed for the case of two seismic stations in zones of continuous and sporadic permafrost...
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Journal Article
Published: 23 June 2020
Canadian Journal of Earth Sciences (2021) 58 (2): 105–121.
... Published by NRC Research Press 2021 icings aufeis permafrost climate change groundwater discharge aufeis pergélisol changement climatique émergence d’eau souterraine The Central Mackenzie Valley (CMV) of the Northwest Territories (NWT), Canada, is a region of active shale oil...
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Journal Article
Published: 22 June 2020
Quarterly Journal of Engineering Geology and Hydrogeology (2021) 54 (1): qjegh2020-021.
... and MANOVA tests . Annals of the Institute of Statistical Mathematics , 17 , 35 , https://doi.org/10.1007/BF02868151 Kurfurst , P.J. 1976 . Ultrasonic wave measurements on frozen soils at permafrost temperatures . Canadian Journal of Earth Sciences , 13 , 1571 – 1576 , https://doi.org...
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Series: Engineering Geology Special Publications
Published: 09 June 2020
DOI: 10.1144/EGSP29.10
EISBN: 9781786204653
... by appropriate engineering design Cryogenic involutions W N W W W R W W N N Diapiric soft-sediment contortions brought about by density gradients formed by seasonal thaw in the active layer of former permafrost; may be present at multiple levels/depths where sedimentation has been rapid...
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Journal Article
Published: 01 June 2020
Journal of Environmental and Engineering Geophysics (2020) 25 (2): 199–209.
...Christopher H. Conaway; Cordell D. Johnson; Thomas D. Lorenson; Merritt Turetsky; Eugénie Euskirchen; Mark P. Waldrop; Peter W. Swarzenski ABSTRACT Surface-based 2D electrical resistivity tomography (ERT) surveys were used to characterize permafrost distribution at wetland sites on the alluvial...
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Journal Article
Published: 25 March 2020
Quarterly Journal of Engineering Geology and Hydrogeology (2020) 53 (4): 579–586.
... and permafrost degradation that has occurred since the mid-20th century, freeze–thaw cycling damage to roads and projects in cold regions is becoming increasingly severe and poses a threat to people's lives and property ( Shan et al. 2014 ; Haeberli and Whiteman 2015 ; Liu et al. 2019 ). To date...
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Journal Article
Journal: Geophysics
Published: 13 September 2019
Geophysics (2019) 84 (5): E337–E355.
... increase with the salinity in agreement with the Stern layer polarization model ( Revil and Florsch, 2010 ). (2) Valuable mineral resources can be hosted in permafrost, and, currently, IP is still the main method to locate ore bodies. Therefore, a better understanding of how spectral IP can be interpreted...
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