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World Pattern of Climate. World Pattern of Climate. Understand factors affecting the world pattern of climate Be able to recognise the variations and locations of climate types. World Climate Zones. Insolation Revolution & Rotation Atmospheric Composition Ocean & Continent Distribution

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World pattern of climate

World Pattern of Climate

17 November 2014


World pattern of climate1
World Pattern of Climate

  • Understand factors affecting the world pattern of climate

  • Be able to recognise the variations and locations of climate types

17 November 2014


World Climate Zones

Insolation

Revolution & Rotation

Atmospheric Composition

Ocean & Continent Distribution

Topography

Local Variations

Polar - very cold and dry all yearTemperate - cold winters and mild summersArid - dry, hot all yearTropical - hot and wet all yearMediterranean - mild winters, dry hot summersMountains (tundra) very cold all year

17 November 2014



Salvador

17 November 2014


Major factors affecting the world pattern of climate
Major Factors Affecting the World Pattern of Climate

  • Insolation variations

  • Revolution and Rotation

  • Atmospheric Composition

  • Ocean & Continent Distribution

  • Topography

  • Local Variations

17 November 2014


Local variations
Local Variations

  • Sea & Land Breezes

  • Anabatic & Katabatic Winds

  • Aspect

17 November 2014


Local variations sea breezes
Local Variations – Sea Breezes

Sea Breezes

  • Any problems?

  • Ruin day at beach – colder

  • Wind shear

  • Inshore boating

17 November 2014


Local variations land breezes
Local Variations – Land Breezes

Weaker & less common than sea breezes

Dependant on local topography

17 November 2014


Anabatic winds
Anabatic Winds

An anabatic wind is a wind which blows up a steep slope or mountain-side during the day, driven by sunshine heating the slope. A hill or mountain-top is warmed by the sun, which in turn heats the air just above it. This air becomes relatively warmer and lighter than other air at a similar altitude over an adjacent valley which does not get warmed as much because of the greater distance to the ground below it and / or if it is in shade. This warmer, lighter air will rise through convection, creating a lower-pressure region into which the higher-pressure air at the bottom of the slope gets drawn, causing the wind.

17 November 2014


Katabatic winds
Katabatic Winds

Opposite of Anabatic Wind, downslope movement as air cools.

Can form fog or mist at bottom of slope in valley

17 November 2014


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