Learning about the Earth and how its features are formed. Geography.

1. GEOMORPHOLOGY AND
LANDFORMS
L.A MHLANGA 201574545

2. WHAT IS GEOMORPHOLOGY?

3. WHAT IS GEOMORPHOLOGY?
• DERIVED FROM A GREEK WORD “GEO” WHICH IS EARTH AND “MORPHO” WHICH IS FORM.
THEREFORE GEOMORPHOLOGY IS A DISCOURSE ON EARTHS FORM, IT IS SCIENTIFIC STUDY
OF LANDFORMS AND THE PROCESSES THAT SHAPE THEM.

4. IMPORTANCE OF GEOMORPHOLOGY
• TO UNDERSTAND GEOMORPHOLOGICAL PROCESSES OF VARIOUS ENVIRONMENT.
• TO DETECT NATURAL AND ENVIRONMENTAL HAZARDS EFFICIENTLY, E.G.
EARTHQUAKE, FLOODING, LANDSLIDE, TSUNAMI, VOLCANISM ETC.
• TO IDENTIFY VARIOUS LANDFORM FEATURES AND LANDSCAPES
• TO IDENTIFY VARIOUS LANDFORM FEATURES FROM SATELLITE IMAGES
• COASTAL AND RIVER RESEARCH
• VULNERABILITY STUDIES

5. TYPES OF GEOMORPHOLOGY
• PHYSICAL GEOMORPHOLOGY
• CHEMICAL GEOMORPHOLOGY
• BIOLOGICAL GEOMORPHOLOGY

6. WHAT ARE THE PROCESSES WORK BEHIND
THE LANDFORMS?
• THE PROCESSES ARE DETERMINED BY SUCH NATURAL ENVIRONMENTAL
VARIABLES AS GEOLOGY, CLIMATE, VEGETATION AND BASE LEVEL, TO SAY
NOTHING OF HUMAN INTERFERENCE.
• THE PHYSICAL AND CHEMICAL INTERACTIONS BETWEEN THE EARTH'S SURFACE
AND THE NATURAL FORCES ACTING UPON IT TO PRODUCE LANDFORMS.
• THE PROCESS RESPONSIBLE FOR THE FORMATION AND ALTERATION OF THE
EARTH'S SURFACE.

7. GEOMORPHIC PROCESSES
• THE GEOMORPHIC PROCESSES INCLUDE;
• EROSION
• TRANSPORTATION
• DEPOSITION

8. EROSION
• OCCURS WHEN RIVERS ERODE OR
WEAR AWAY THE LAND SURFACE
OVER WHICH THEY ARE FLOWING
• THE ROCK PARTICLES WHICH ARE
WORN AWAY FROM THE LAND
SURFACE ARE CALLED SEDIMENTS

9. TRANSPORTATION
• IS A PROCESS WHERE THE SEDIMENT PRODUCED BY EROSION IS CARRIED AWAY
DOWNSTREAM BY THE RIVER.

10. DEPOSITION
• HAPPENS WHEN THE SEDIMENT MAY SETTLE EITHER ON THE RIVER
BED.
• WHERE THE WATER FLOWS MORE SLOWLY AS IN THE FLOOD PLAIN,
OR EVENTUALLY ON THE SEA BED.

11. REFERENCES
• NAZIR HOSSAIN, M.D. (2016) INTRODUCTION TO GEOMORPHOLOGY. AVAILABLE ON SLIDESHARE
HTTPS://WWW.SLIDESHARE.NET/MDNAZIRHOSSAIN1/INTRODUCTION-TO-GEOMORPHOLOGY
(ACCESSED 13 SEPTEMBER 2017)
• G-MEDHIN, N. (2012) GEOMORPHOLOGY AND LAND SYSTEM. AVAILABLE ON SLIDESHARE
HTTPS://WWW.SLIDESHARE.NET/NIGATUGMEDHIN/GEOMOROPHOLOGY-PRESENTATION (ACCESSED
13 SEPTEMBER 2017)
• IRABBETTES, I. (2007) GEOMORPHIC PROCESSES. AVAILABLE ON SLIDESHARE
HTTPS://WWW.SLIDESHARE.NET/LRABBETTS/GEOMORPHIC-PROCESSES (ACCESSED 13 SEPTEMBER
2017)