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RIVERS Form 2-20- TERM 3

The Geospheres

Hydrological (Water) Cycle

Processes in the Hydrological Cycle

Processes in the Hydrological Cycle- Drainage Basin System

Processes in the Hydrological Cycle

Groundwater

Groundwater

Unconfined groundwater

Confined groundwater

The Water Table

Water Zones

Aquifers

Aquifers

How the connections between the pores or fractures control how water moves through an aquifer

Artesian Basins

Artesian Basins

Springs

Drainage Basin

Drainage Density

Dendritic Pattern

Dendritic Pattern- Guyana

Trellis Pattern

Trellis Pattern- Trinidad

Radial Pattern

Radial Pattern- Nevis

Vertical Erosion

Lateral Erosion

Headward Erosion

River Transportation

Upper Course or Youthful Stage

Lower Course or Old Age Stage

Cross Profile

Long Profile vs Cross Profile

River Landforms

UPPER COURSE

Interlocking Spurs

Potholes

V-Shaped Valleys

Waterfalls & Rapids

River Landforms

MIDDLE COURSE

Meanders

River Cliffs & Slip-Off Slopes

Point Bar/Slip-off Slope

River Cliff

River Landforms

LOWER COURSE

Flood Plain & Levées

Braiding

Ox-Bow Lakes

Deltas

Arcuate Delta

Bird’s Foot Delta

Estuarine Delta

River Rejuvenation

THE END