nivation

nivation
ni·va·tion

English syllables. 2014.

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  • nivation — ● nivation nom féminin (latin nix, nivis, neige) Ensemble des phénomènes par lesquels la neige influe sur le relief. ⇒NIVATION, subst. fém. GÉOGR. Action de la neige sur le relief. Les géographes désignent sous l expression de nivation l ensemble …   Encyclopédie Universelle

  • Nivation — is a collective name for the different processes that occur under a snow patch. The primary processes are mass wasting and the freeze and thaw cycle,[1] in which fallen snow gets compacted into firn or névé. The term glacier is applied only when… …   Wikipedia

  • Nivation —   [zu lateinisch nix, nivis »Schnee«] die, / en, die Einwirkung von Schnee auf die Erdoberfläche. Durch Bewegung und Druck des Schnees und durch das Schmelzwasser entstehen u. a. mulden , wannen oder nischenartige Hohlformen (Nivationsmulden,… …   Universal-Lexikon

  • Nivation — Der Begriff Nivation bezeichnet in der Geomorphologie Verwitterungs und Erosionsprozesse, untergeordnet auch Ablagerungs und Akkumulationsprozesse, die durch temporäre und perennierende Schneeflecken in Periglazialgebieten beschleunigt und/oder… …   Deutsch Wikipedia

  • nivation —    The process of excavation of a shallow depression or nivation hollow on a mountain side by removal of fine material around the edge of a shrinking snow patch or snow bank, chiefly through sheetwash, rivulet flow, and solution in melt water.… …   Glossary of landform and geologic terms

  • nivation hollow —   a circular depression in the ground, usually seen in periglacial areas, that has been created by nivation …   Geography glossary

  • nivation hollow —    A shallow, non cliffed depression or hollow on a mountain side permanently or intermittently occupied by a snow bank or snow patch and produced by nivation. If the snow completely melts each summer the hollow is deepened; otherwise not; may be …   Glossary of landform and geologic terms

  • nivation — /nuy vay sheuhn/, n. Geol. erosion resulting from the action of frost beneath a snowbank. [1895 1900; < L niv (s. of nix) snow + ATION] * * * …   Universalium

  • nivation — noun erosion caused by freezing / thawing due to snow …   Wiktionary

  • nivation —   the expansion of a hollow through freeze thaw under a patch of snow and the subsequent washing out of the debris by meltwater …   Geography glossary

  • Nivation — Ni|va|ti|on 〈[ va ] f.; Gen.: , Pl.: en; Geol.〉 Abtragung von Gesteinsmaterial durch Abgleiten von Firn u. Schnee …   Lexikalische Deutsches Wörterbuch

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