Energy Balance and Energy Transfer (Grade 11 NSC Matric Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Earth's energy balance
Earth's energy balance
Balance between incoming solar & outgoing radiation
Energy from Sun to Earth
Energy from Sun to Earth
Shortwave solar radiation
Energy radiated from Earth to space
Energy radiated from Earth to space
Longwave terrestrial radiation
Radiation surplus
Radiation surplus
Where more radiation flows in than leaves (equator)
Radiation deficit
Radiation deficit
Where more radiation flows out than received (poles)
Two mechanisms for poleward energy transfer
Two mechanisms for poleward energy transfer
Ocean currents and winds
Thermohaline circulation
Thermohaline circulation
Deep ocean currents driven by water density differences
Two factors affecting water density
Two factors affecting water density
Temperature (thermo) and salinity (haline)
Surface current direction in N hemisphere
Surface current direction in N hemisphere
Clockwise
Gulf Stream
Gulf Stream
Carries warm water from Caribbean towards Europe