Slope Development-4 Elements, 3 Classification, 2 Approaches & 3 Theories YouTube Lecture Handouts

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Elements of Slope Profile

Image of Elements of Slope Profile

Image of Elements of Slope Profile

Image of Elements of Slope Profile

Classification of Slope

Image of Classification of Slope

Image of Classification of Slope

Image of Classification of Slope

Approaches to Slope Development

Image of Approaches To Slope Development

Image of Approaches to Slope Development

Image of Approaches To Slope Development

Models of Slope Evolution

Image of Models of Slope Evolution

Image of Models of Slope Evolution

Image of Models of Slope Evolution

Table of Slope Development Theory
Table of Slope Development Theory

Slope Decline Theory (Davis)

Slope Replacement Theory (Penck)

Parallel Retreat Theory (King)

Region of Study

NW Europe & Northeast USA

Slopes of Andes & Alps

Slopes of South Africa

Climate

Humid areas

Tectonic Areas

Semi-arid landscape; sea cliffs with wave-cut platform

Description of Slope

Initially has steepest slope & with time angle decreases

Reduction in maximum angle as gentler lower slopes erode back

Maximum angle remains constant like slope facets apart from lower ones which increases concavity

Table of Difference between Davis, Penck and King
Table of Difference Between Davis, Penck And King

Davis

Penck

King

Process

By stage 4, land turns convex-concave slope

Scree slope B will replace slope A; slope C replaces slope B

Flash floods remove concave debris on slope pediment

Changes over Time

Intermediate denudation assumes rapid land uplift.

Starts with straight rock slope with equal weathering overall.

Considering two facets of slope viz., gentle concave lower slope, & convex upper slope.

Understanding Davis Theory

Understanding Davis Theory

Understanding Davis Theory

Understanding Penck Theory

Understanding Penck Theory

Understanding Penck Theory

Understanding King Theory

Understanding King Theory

Understanding King Theory

Slope Failure – Causes & Process