Davisian model of landscape development
E801362
The Davisian model of landscape development is a geomorphological theory proposing that landscapes evolve through sequential stages of youth, maturity, and old age driven primarily by river erosion over geological time.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geomorphological model
ⓘ
theory of landscape evolution ⓘ |
| alsoKnownAs |
Davisian cycle of erosion
ⓘ
cycle of erosion ⓘ |
| appliedTo |
fluvial landscapes
ⓘ
valley development ⓘ |
| assumes |
initial rapid uplift followed by prolonged denudation
ⓘ
relative tectonic quiescence after initial uplift ⓘ relatively stable climate during a cycle ⓘ sequential stages of landscape evolution ⓘ |
| conceptualFocus | sequential morphological stages ⓘ |
| contrastedWith |
dynamic equilibrium concept in geomorphology
ⓘ
process-based geomorphology ⓘ |
| coreProcess |
fluvial erosion
ⓘ
mass wasting ⓘ river incision ⓘ weathering ⓘ |
| criticizedFor |
assumption of cyclic, orderly stages
ⓘ
limited treatment of climatic variability ⓘ neglect of continuous tectonic activity ⓘ over-simplification of landscape evolution ⓘ poor fit to many real-world landscapes ⓘ |
| definesStage |
maturity
ⓘ
old age ⓘ peneplain ⓘ youth ⓘ |
| describes |
mature landscapes with moderate relief
ⓘ
mature landscapes with well-integrated drainage networks ⓘ old-age landscapes approaching a peneplain ⓘ old-age landscapes with low relief ⓘ youthful landscapes with deep valleys ⓘ youthful landscapes with steep gradients ⓘ |
| drivingFactor |
long-term erosion
ⓘ
tectonic uplift ⓘ |
| emphasizes |
base level control on erosion
ⓘ
time as a key factor in landform development ⓘ |
| field |
geomorphology
ⓘ
physical geography ⓘ |
| goalState | near-level peneplain surface ⓘ |
| historicalPeriod |
early 20th century
ⓘ
late 19th century ⓘ |
| influenced |
early 20th-century geomorphology
ⓘ
textbook classifications of landforms ⓘ |
| proposedBy | William Morris Davis NERFINISHED ⓘ |
| relatedConcept |
base level of erosion
ⓘ
geomorphic cycle ⓘ peneplanation ⓘ |
| temporalScale | geological time ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.