thaw-sensitive permafrost

thaw-sensitive permafrost
   Perennially frozen ground which, upon thawing, will experience significant thaw settlement and suffer loss of strength to a value significantly lower than that for similar material in an unfrozen condition.
   Compare: thaw-stable permafrost.
   NRC

Glossary of landform and geologic terms. 2013.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • thaw-stable permafrost —    Perennially frozen ground which, upon thawing, will not experience either significant thaw settlement or loss of strength.    Compare: thaw sensitive permafrost.    NRC …   Glossary of landform and geologic terms

  • permafrost —    Ground, soil, or rock that remains at or below 0 °C for at least two years. It is defined on the basis of temperature and is not necessarily frozen (i.e., cemented by ice).    Compare: continuous permafrost, discontinuous permafrost, sporadic… …   Glossary of landform and geologic terms

  • permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …   Universalium

  • Trans-Alaska Pipeline System — The Trans Alaska Pipeline System (TAPS), usually called the Alyeska Pipeline in Alaska or the Alaska Pipeline elsewhere, is a major U.S. oil pipeline connecting oil fields in Alaska s North Slope to a North Pacific seaport where the oil can be… …   Wikipedia

  • Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …   Universalium

  • North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium

  • arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …   Universalium

  • Climate change feedback — See also: Avoiding dangerous climate change, Runaway climate change, and Abrupt climate change Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each… …   Wikipedia

  • Kobuk River — The Kobuk River is approximately convert|280|mi|km|0|lk=on long, located in the Arctic region of northwestern Alaska in the United States. [USGS Geographic Names Information System (GNIS). [http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO… …   Wikipedia

  • environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”