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HEADWARD EROSION [4 records]

Record 1 2012-03-15

English

Subject field(s)
  • Erosion and Weathering (Geol.)
  • Hydrology and Hydrography
DEF

A fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin.

French

Domaine(s)
  • Érosion et corrosion (Géologie)
  • Hydrologie et hydrographie
DEF

Phénomène de dynamique fluviale ou hydraulique consistant en une érosion d'un substrat, d'un relief ou d'un ouvrage artificiel qui se propage de l'aval vers l'amont, c'est-à-dire dans le sens inverse de l'écoulement de l'eau.

Spanish

Campo(s) temático(s)
  • Erosión y corrosión (Geología)
  • Hidrología e hidrografía
Save record 1

Record 2 2012-03-02

English

Subject field(s)
  • Hydrology and Hydrography
DEF

A stream that has developed its valley along an outcrop of less-resistant rocks or a regional fault or joint pattern, at right angles to the drainage which is consequent upon the slope of the land ...

OBS

Because they are developing along relatively weak structures subsequent streams develop mainly by headward erosion.

French

Domaine(s)
  • Hydrologie et hydrographie
DEF

Cours d'eau de deuxième ordre du réseau hydrographique qui se développe par érosion régressive dans les affleurements de roches peu résistantes, à partir du cours de base, le cours d'eau conséquent.

Spanish

Save record 2

Record 3 1999-11-12

English

Subject field(s)
  • Geomorphology and Geomorphogeny
OBS

insequent stream : A stream developed entirely through the processes of headward erosion.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
DEF

Se dit dans le vocabulaire de W.M. Davis, d'un réseau hydrographique dont l'organisation manifeste une totale indifférence vis-à-vis de la structure géologique.

Spanish

Save record 3

Record 4 1991-04-10

English

Subject field(s)
  • Geomorphology and Geomorphogeny
DEF

A high rocky sharp-pointed mountain peak with prominent faces and ridges, bounded by the intersecting walls of three or more cirques that have been cut back into the mountain by headward erosion of glaciers;...

French

Domaine(s)
  • Géomorphologie et géomorphogénie

Spanish

Save record 4

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