|
Search over 100 encyclopedias and dictionaries: |
Research categories | Follow us on Twitter |
Research categories
View all topics in the newsView all reference sources at Encyclopedia.com |
|||
mass-wasting
mass-wasting (mass movement) General term for the transfer of Earth material down hillslopes. It includes four main categories: flow, slide, fall (see ROCK FALL), and creep. Of these, creep is the most important if least spectacular. It is the result of gravity acting on material that has lost cohesion, typically as a result of an increase in water content. An avalanche is a rapid and often destructive flow of rock or snow. A slide (or landslide) is a comparatively rapid displacement of Earth material over one or more failure surfaces which may be curved or planar. Failure on an arcuate surface is typical of clays, and gives rise to rotational slides such as those of Folkestone Warren, England.
|
|
|
Cite this article
AILSA ALLABY and MICHAEL ALLABY. "mass-wasting." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "mass-wasting." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O13-masswasting.html AILSA ALLABY and MICHAEL ALLABY. "mass-wasting." A Dictionary of Earth Sciences. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-masswasting.html |
|
mass-wasting
mass-wasting(mass movement) The transfer of material down hill-slopes. It is the result of gravity acting on material that has lost cohesion, typically as a result of an increase in water content. It includes four main categories: flow, slide, fall, and creep, of which creep is the most important if least spectacular. An avalanche is a rapid and often destructive flow of rock or snow. A slide (or landslide) is a comparatively rapid displacement of material over one or more failure surfaces which may be curved or planar. Failure on an arcuate surface is typical of clays, and gives rise to rotational slides such as those of Folkestone Warren, England.
|
|
|
Cite this article
MICHAEL ALLABY. "mass-wasting." A Dictionary of Ecology. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "mass-wasting." A Dictionary of Ecology. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O14-masswasting.html MICHAEL ALLABY. "mass-wasting." A Dictionary of Ecology. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-masswasting.html |
|