Zobrazeno 1 - 10
of 1 344
pro vyhledávání: '"Polar Ice"'
Autor:
Tianyang Wang, Songlin He, Qinghai Zhang, Lin Ding, Alexander Farnsworth, Fulong Cai, Chao Wang, Jing Xie, Guobiao Li, Jiani Sheng, Yahui Yue
Publikováno v:
Fundamental Research, Vol 4, Iss 6, Pp 1586-1593 (2024)
Globally elevated temperatures during the Cretaceous extreme greenhouse climate interval were punctuated by the Valanginian cooling event, which was characterized by a positive carbon isotope excursion, global cooling, and a glacial event approximate
Externí odkaz:
https://doaj.org/article/9a6d66172a5a4c8396a78989dc5f35cf
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 16, Pp n/a-n/a (2024)
Abstract Radio‐echo sounding (RES) shows large‐scale englacial stratigraphic folds are ubiquitous in Greenland's ice sheet. However, there is no consensus yet on how these folds form. Here, we use the full‐Stokes code Underworld2 to simulate ic
Externí odkaz:
https://doaj.org/article/55100ba1a1654be090a43728021fea10
Publikováno v:
IEEE Access, Vol 12, Pp 175666-175679 (2024)
Accurately acquiring microstructure parameters of porous materials is key to microstructure analysis. Polar ice cores are frozen time capsules holding invaluable information about past climates of our planet in their microstructure. Via micro CT scan
Externí odkaz:
https://doaj.org/article/4d36066f010a46b28805e870d1555367
Autor:
Pascal Bohleber, Piers Larkman, Nicolas Stoll, David Clases, Raquel Gonzalez de Vega, Martin Šala, Marco Roman, Carlo Barbante
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 25, Iss 4, Pp n/a-n/a (2024)
Abstract Understanding the microscopic variability of impurities in glacier ice on a quantitative level has importance for assessing the preservation of paleoclimatic signals and enables the study of macroscopic deformational as well as dielectric ic
Externí odkaz:
https://doaj.org/article/1a73e6afed0846fa8177bbe8b74cfbb8
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 598-608 (2023)
BingSat-Tomographic Observation of Polar Ice Sheets (BingSat-TOPIS) is a spaceborne multistatic radar sounding system that can achieve high resolution and stereoscopic observation. It is designed to penetrate ice sheets and acquire tomographic image.
Externí odkaz:
https://doaj.org/article/46c2e5b8904444ed832a3a4a42c47e5a
Akademický článek
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Autor:
R. Staroszczyk, L. W. Morland
Publikováno v:
Journal of Glaciology, Vol 68, Pp 625-635 (2022)
The response of ice to applied stress on ice-sheet flow timescales is commonly described by a non-linear incompressible viscous fluid, for which the deviatoric stress has a quadratic relation in the strain rate with two response coefficient functions
Externí odkaz:
https://doaj.org/article/f0f7880f2e3f4f69abe994357796f294
Autor:
Peng XIAO, Zhitong YU, Zhuoqi CHEN, Xiangbin CUI, Bo ZHAO, Shinan LANG, Meng LI, Luojia HU, Yan HUANG, Min LIU, Cheng WANG, Liang CHEN, Lu LIU, Xiaohong SUI, Chunzhu YUAN
Publikováno v:
Leida xuebao, Vol 11, Iss 3, Pp 479-498 (2022)
Owing to the enormous amount of frozen water and the particularity of heat exchange, polar ice sheets act as an important indicator and amplifier of global climate change. However, the detection and cognition of the tomographic structure of polar ice
Externí odkaz:
https://doaj.org/article/807182b166cc4d28b00688ba4298345c
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 24, Iss 2, Pp n/a-n/a (2023)
Abstract Understanding post‐depositional processes altering the layer sequence in ice cores is especially needed to avoid misinterpretation of the oldest and most highly thinned layers. The record of soluble and insoluble impurities represents an i
Externí odkaz:
https://doaj.org/article/bfefbc2b141949a0b1ab73989fdb8e6e
Akademický článek
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