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Rivers
SEC ONE TEXTBOOK
PAGE 101
What is a river?
A river is a natural watercourse,
usually freshwater, flowing
towards the sea.
Without the hydrological c...
Is this a river?
HYDROLOGICal CYCLE
HYDROLOGICal CYCLE
HYDROLOGICALHYDROLOGICAL
CYCLECYCLE
SURFACE
RUNOFF
INFILTRATION
CONDENSATION
TRANSPIRATION AND
EVAPORATION
PRECIPITATION
HYDROLOGICAL CYCLE
• Precipitation – water
from clouds come to the
Earth’s surface as rain,
snow and hail
• Transpiration ...
HYDROLOGICAL CYCLE
•Surface Run-off – rain
that falls on Earth’s
surface flows over land
• Condensation – water
vapour ris...
HYDROLOGICAL CYCLE
• Infiltration – water
that soaks into the soil
subsurface
• Percolation – water
moves further down
int...
HYDROLOGICAL CYCLE
•Throughflow –
infiltrated water that
flows sideways in
the soil subsurface
• Interception –
water is a...
Water flows from highlands to lowlands due to the
pull of gravity.
River System
River sourceRiver source: The place at whi...
RIVER SYSTEM
• Source – the
starting point of a
river
• Mouth – the ending
point of a river
• Drainage Basin –
The area dr...
RIVER SYSTEM
•Confluence – the
point at which a
tributary joins the
main river
• Watershed – The
boundary formed
by the ed...
River 1 hydro cycle and river system
River 1 hydro cycle and river system
River 1 hydro cycle and river system
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River 1 hydro cycle and river system

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Transcript of "River 1 hydro cycle and river system"

  1. 1. Rivers SEC ONE TEXTBOOK PAGE 101
  2. 2. What is a river? A river is a natural watercourse, usually freshwater, flowing towards the sea. Without the hydrological cycle, rivers cannot be formed.
  3. 3. Is this a river?
  4. 4. HYDROLOGICal CYCLE
  5. 5. HYDROLOGICal CYCLE
  6. 6. HYDROLOGICALHYDROLOGICAL CYCLECYCLE SURFACE RUNOFF INFILTRATION CONDENSATION TRANSPIRATION AND EVAPORATION PRECIPITATION
  7. 7. HYDROLOGICAL CYCLE • Precipitation – water from clouds come to the Earth’s surface as rain, snow and hail • Transpiration – plants release water vapour into atmosphere
  8. 8. HYDROLOGICAL CYCLE •Surface Run-off – rain that falls on Earth’s surface flows over land • Condensation – water vapour rises, cools and changes into tiny water droplets
  9. 9. HYDROLOGICAL CYCLE • Infiltration – water that soaks into the soil subsurface • Percolation – water moves further down into the underlying soil after infiltration
  10. 10. HYDROLOGICAL CYCLE •Throughflow – infiltrated water that flows sideways in the soil subsurface • Interception – water is absorbed by trees
  11. 11. Water flows from highlands to lowlands due to the pull of gravity. River System River sourceRiver source: The place at which the river begins. Usually found in mountainous areas or highland. TributaryTributary: Streams and rivers that join the main river Rivercourse River mouthRiver mouth: The place at which a river ends into the sea
  12. 12. RIVER SYSTEM • Source – the starting point of a river • Mouth – the ending point of a river • Drainage Basin – The area drained by a river and its tributaries
  13. 13. RIVER SYSTEM •Confluence – the point at which a tributary joins the main river • Watershed – The boundary formed by the edges of the drainage basin
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