Abstract:Climate warming in the Arctic, accompanied by changes in permafrost soil properties (mechanical, thermal, filtration, geophysical), is due to increasing unfrozen pore water content. The liquid component in frozen soils is an issue of key importance for permafrost engineering that has been extensively studied since the beginning of the 20th century. We suggest a synthesis and new classification of various experimental and calculation methods for the determination of unfrozen water content. Special focus is plac… Show more
“…Three papers [8][9][10] consider climate-induced changes in composition and properties in warming permafrost [8], which is critical for production operations [9,10]. The behavior of unfrozen pore water contents in the Arctic permafrost [8] is important as the latter may change considerably its mechanic, thermal, and other physical properties under ongoing warming.…”
mentioning
confidence: 99%
“…Three papers [8][9][10] consider climate-induced changes in composition and properties in warming permafrost [8], which is critical for production operations [9,10]. The behavior of unfrozen pore water contents in the Arctic permafrost [8] is important as the latter may change considerably its mechanic, thermal, and other physical properties under ongoing warming. The authors [8] provide a historic background and a classification of methods for determining the phase composition of pore moisture and describe a new method based on water potential measurements.…”
mentioning
confidence: 99%
“…The behavior of unfrozen pore water contents in the Arctic permafrost [8] is important as the latter may change considerably its mechanic, thermal, and other physical properties under ongoing warming. The authors [8] provide a historic background and a classification of methods for determining the phase composition of pore moisture and describe a new method based on water potential measurements. The water potential method was applied to estimate the amount of unfrozen pore water in typical samples from West Siberia and to study its sensitivity to particle size distribution, salinity, and organic carbon contents.…”
This Special Issue of Geosciences is a collection of fifteen original research and overview papers on the response of permafrost and gas hydrates to ground warming caused by natural climate trends and industrial loads [...]
“…Three papers [8][9][10] consider climate-induced changes in composition and properties in warming permafrost [8], which is critical for production operations [9,10]. The behavior of unfrozen pore water contents in the Arctic permafrost [8] is important as the latter may change considerably its mechanic, thermal, and other physical properties under ongoing warming.…”
mentioning
confidence: 99%
“…Three papers [8][9][10] consider climate-induced changes in composition and properties in warming permafrost [8], which is critical for production operations [9,10]. The behavior of unfrozen pore water contents in the Arctic permafrost [8] is important as the latter may change considerably its mechanic, thermal, and other physical properties under ongoing warming. The authors [8] provide a historic background and a classification of methods for determining the phase composition of pore moisture and describe a new method based on water potential measurements.…”
mentioning
confidence: 99%
“…The behavior of unfrozen pore water contents in the Arctic permafrost [8] is important as the latter may change considerably its mechanic, thermal, and other physical properties under ongoing warming. The authors [8] provide a historic background and a classification of methods for determining the phase composition of pore moisture and describe a new method based on water potential measurements. The water potential method was applied to estimate the amount of unfrozen pore water in typical samples from West Siberia and to study its sensitivity to particle size distribution, salinity, and organic carbon contents.…”
This Special Issue of Geosciences is a collection of fifteen original research and overview papers on the response of permafrost and gas hydrates to ground warming caused by natural climate trends and industrial loads [...]
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