solifluction

so·li·fluc·tion

S0549650 (sō′lə-flŭk′shən, sŏl′ə-)n. The slow, downhill movement of soil or other material in areas typically underlain by frozen ground.

[Latin solum, soil + Latin flūctiō, flūctiōn-, a flowing (from flūctus, past participle of fluere, to flow; see bhleu- in Indo-European roots).]

solifluction

(ˈsɒlɪˌflʌkʃən; ˈsəʊlɪ-) or

solifluxion

n (Physical Geography) slow downhill movement of soil, saturated with meltwater, over a permanently frozen subsoil in tundra regions[C20: from Latin solum soil + fluctio act of flowing]

Translations

Solifluction

solifluction

[¦säl·ə′flək·shən] (geology) A rapid soil creep, especially referring to downslope soil movement in periglacial areas. Also known as sludging; soil flow; soil fluction.

Solifluction

the flow of wet, finely dispersed soil down a slope resulting from the perennial freezing and thawing of the ground. The flow rate is usually a few centimeters a year; sometimes, in the case of disastrous flows, the flow rate reaches hundreds of meters an hour. The development of solifluction results from decreased ground stability caused by meltwaters and rain and by freezing and thawing. Solifluction occurs primarily in permafrost regions and in regions characterized by seasonal freezing. It is most common on slopes of medium steepness (8°-15°) that have a layer of dispersed beds at least 1.0–2.0 m thick. Slow solifluction develops primarily above the timberline and creates characteristic forms of microrelief, for example, flows and terraces having a tonguelike (parabolic) shape. The classical regions of development of solifluction are the polar and subpolar regions, the Urals, the Chukchi Peninsula, Spitsbergen, and Alaska.

REFERENCES

Kaplina,T. N. Kriogennyesklonovyeprotsessy. Moscow, 1965.
Zhigarev, L. A. Prichiny i mekhanizm razvitiia solifluiuktsü. Mos cow, 1967.

T. N. KAPLINA

单词	solifluction
释义	solifluction so·li·fluc·tion S0549650 (sō′lə-flŭk′shən, sŏl′ə-)n. The slow, downhill movement of soil or other material in areas typically underlain by frozen ground. [Latin solum, soil + Latin flūctiō, flūctiōn-, a flowing (from flūctus, past participle of fluere, to flow; see bhleu- in Indo-European roots).] solifluction (ˈsɒlɪˌflʌkʃən; ˈsəʊlɪ-) or solifluxion n (Physical Geography) slow downhill movement of soil, saturated with meltwater, over a permanently frozen subsoil in tundra regions[C20: from Latin solum soil + fluctio act of flowing] Translations Solifluction solifluction [¦säl·ə′flək·shən] (geology) A rapid soil creep, especially referring to downslope soil movement in periglacial areas. Also known as sludging; soil flow; soil fluction. Solifluction the flow of wet, finely dispersed soil down a slope resulting from the perennial freezing and thawing of the ground. The flow rate is usually a few centimeters a year; sometimes, in the case of disastrous flows, the flow rate reaches hundreds of meters an hour. The development of solifluction results from decreased ground stability caused by meltwaters and rain and by freezing and thawing. Solifluction occurs primarily in permafrost regions and in regions characterized by seasonal freezing. It is most common on slopes of medium steepness (8°-15°) that have a layer of dispersed beds at least 1.0–2.0 m thick. Slow solifluction develops primarily above the timberline and creates characteristic forms of microrelief, for example, flows and terraces having a tonguelike (parabolic) shape. The classical regions of development of solifluction are the polar and subpolar regions, the Urals, the Chukchi Peninsula, Spitsbergen, and Alaska. REFERENCES Kaplina,T. N. Kriogennyesklonovyeprotsessy. Moscow, 1965. Zhigarev, L. A. Prichiny i mekhanizm razvitiia solifluiuktsü. Mos cow, 1967. T. N. KAPLINA solifluction solifluction a slow movement of soil or rock debris down an incline, usually as a result of lubrication by its water content.
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