Results 11 to 20 of about 2,607,747 (325)
Excess Ground Ice Profiles in Continuous Permafrost Mapped From InSAR Subsidence
Water Resources ResearchExcess ground ice formation and melt drive surface heave and settlement, and are critical components of the water balance in Arctic soils. Despite the importance of excess ice for the geomorphology, hydrology and biogeochemistry of permafrost landscapes,
S. Zwieback +5 more
doaj +2 more sources
Methane Content in Ground Ice and Sediments of the Kara Sea Coast
Geosciences, 2018 Permafrost degradation of coastal and marine sediments of the Arctic Seas can result in large amounts of methane emitted to the atmosphere. The quantitative assessment of such emissions requires data on variability of methane content in various types of ...
Irina D. Streletskaya +3 more
doaj +2 more sources
, 2020 This Open File presents new national-scale mapping of ground ice conditions in Canada. The mapping depicts a first-order estimate of the combined volumetric percentage of excess ice in the top 5 m of permafrost from segregated, wedge, and relict ice. The estimates for the three ice types are based on modelling by O'Neill et al.
H B O'Neill, S A Wolfe, C Duchesne
openaire +2 more sources
METHANE IN GROUND ICE AND FROZEN SEDIMENTS IN THE COASTAL ZONE AND ON THE SHELF OF KARA SEA
Лëд и снег, 2018 Summary Degradation of permafrost on the continental shelf and shores of the Arctic seas may be a main cause of the methane emission to the atmosphere from marine sediments.
I. D. Streletskaya +5 more
doaj +2 more sources
Frontiers in Earth Science, 2022 A characteristic of frozen ground is a tendency to form banded sequences of particle-free ice lenses separated by layers of ice-infiltrated soil, which produce frost heave.
Ziteng Fu +11 more
doaj +2 more sources
Dissolved organic carbon (DOC) in Arctic ground ice [PDF]
The Cryosphere, 2015 Thermal permafrost degradation and coastal erosion in the Arctic remobilize substantial amounts of organic carbon (OC) and nutrients which have accumulated in late Pleistocene and Holocene unconsolidated deposits.
M. Fritz +6 more
doaj +2 more sources
Communications Earth & Environment, 2022 Global warming and permafrost degradation are impacting landscapes, ecosystems and the climate-carbon system. Current ground ice and geohazard maps rely on the frost susceptibility of surficial sediments, and substantial areas underestimate ice abundance.
D. Lacelle +3 more
semanticscholar +1 more source
The history of ground ice at Jezero Crater Mars and other past, present, and future landing sites
Icarus (New York, N.Y. 1962), 2021 Shallow subsurface water ice on Mars is currently stable poleward of about 45° latitude and unstable in the equatorial regions. Past climate cycles driven by orbital oscillations are expected to result in significant changes to this distribution of ...
M. Mellon, H. Sizemore
semanticscholar +1 more source
Contribution of ground ice melting to the expansion of Serling Co lake on the Tibetan Plateau
The Cryosphere, 2021 . Serling Co lake, surrounded by permafrost and glacier-occupied regions, has exhibited the greatest increase in water storage over the last 50 years among all the lakes on the Tibetan Plateau.
Lingxiao Wang +15 more
semanticscholar +1 more source
Landslides, 2021 As consequence of ongoing climate change, permafrost degradation is thought to be increasingly affecting slope stability in periglacial environments.
Costanza Morino +7 more
semanticscholar +1 more source