continuous permafrost

См. также в других словарях:

• continuous permafrost —    Permafrost occurring everywhere beneath the exposed land surface throughout a geographic region.    Compare: discontinuous permafrost, sporadic permafrost.    NRC …   Glossary of landform and geologic terms

• continuous permafrost —   within the Arctic Circle average temperatures rarely rise above zero. Water in the ground generally remains frozen apart from some superficial summer melting of perhaps the top few centimeters. The permafrost can be several hundred metres deep… …   Geography glossary

• Permafrost — This article is about frozen ground. For other uses, see Permafrost (disambiguation). In geology, permafrost, cryotic soil or permafrost soil is soil at or below the freezing point of water (0 °C or 32 °F) for two or more years. Ice is not always …   Wikipedia

• 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

• 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 —   frozen ground. Varies widely in scope and depth and in the period of the year for which it exists. A common feature of periglacial environments. See continuous permafrost, discontinuous permafrost and sporadic permafrost …   Geography glossary

• discontinuous permafrost —    Permafrost occurring in some areas beneath the exposed land surface throughout a geographic region where other areas are free of permafrost.    Compare: continuous permafrost, sporadic permafrost.    NRC …   Glossary of landform and geologic terms

• sporadic permafrost —    The area near the southern boundary of discontinuous permafrost where permafrost occurs in isolated patches or islands.    Compare: continuous permafrost, discontinuous permafrost.    NRC …   Glossary of landform and geologic terms

• 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

• Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …   Wikipedia

• Gelisols — Gelisol a Gelisol profile Used in: USDA soil taxonomy Profile: OAC …   Wikipedia