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FLUVIAL LANDFORMS Ambiliy P R Assistant Professor Department of Geography

FLUVIAL LANDFORMS Ambiliy P R Assistant Professor Department of Geography. The geomorphic agents acting over long periods of time produce systematic changes leading to sequential developments of landforms

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FLUVIAL LANDFORMS Ambiliy P R Assistant Professor Department of Geography

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  1. FLUVIAL LANDFORMSAmbiliy P RAssistant ProfessorDepartment of Geography

  2. The geomorphic agents acting over long periods of time produce systematic changes leading to sequential developments of landforms • Running water, ground water glaciers, wind and waves are powerful erosional and depositional agents shaping and changing the surface earth aided by weathering and mass wasting processes

  3. RUNNING WATER IS THE MOST IMPORTANT GEO MORPHIC AGENTS IN BRINGING ABOUT THE DEGREDATION OF THE LAND SURFACE

  4. RIVER PROFILE

  5. Stages of a river • Upper course- Youthful • Middle course-mature • Lower course-Old

  6. Erosional landforms • Gorge • Canyon • V-shaped valleys • Rapids • Waterfalls • Potholes • Plunge pools • Incised meanders • River terraces

  7. A Gorge It is a deep valley with very steep to straight sides

  8. CANYON A canyons is characterized by steep step-like Side slope and may be as deep as a gorge.

  9. V SHAPED VALLEYS

  10. RAPIDS

  11. WATER FALLS

  12. POTHOLES..\..\20091212124944.mpg

  13. PLUNGE POOLS

  14. MEANDERS Meanders Loop like channel patterns called meanders develop over flood and delta plains.

  15. RIVER TERRACES

  16. DEPOSTIONAL LAND FORMS • ALLUVIAL FANS • NATURAL LEVEES • FLOODPLAINS • POINT BARS • MEANDERS • BRAIDED CHANNELS • DELTAS

  17. ALLUVIAL FANS

  18. NATURAL LEVEES

  19. FLOOD PLAINS

  20. POINT BARS

  21. DELTA

  22. THANKS Ambily P R Asst.Prof in Geograpy N S S College Pandalam

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