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fandomhigh2005-11-18 08:20 pm
notjustacabbie.livejournal.com) wrote in fandomhigh2005-11-18 08:20 pm
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Physical geography #5
'Today - Climate zones!'
'The worldwide system of winds, which transports warm and cold air very great distances away from the source regions, influences significantly the climates of the world. This worldwide wind system is called the general circulation of the atmosphere, and it gives rise to the Earth's climate zones. Although the changing of the seasons and the positions of large oceans and continental landmasses affect these climate zones, they provide a general approximation to the different types of climate seen on Earth.
The Earth's general circulation arises as a result of the temperature difference between the equator and the poles. This latitudinal temperature gradient produces atmospheric pressure differences which generate winds that transport the equatorial heat north and south to higher latitudes. The Earth's rotation however, deflects the northerly and southerly components of this atmospheric circulation, by means of the Coriolis force, clockwise in the northern hemisphere and anticlockwise in the southern hemisphere. Thus, global winds tend to be more easterly and westerly rather than northerly and southerly.'
The Köppen climate classification is one of the most widely used climate classification systems. It was developed around 1900 and is based on the concept that native vegetation is the best expression of climate, thus climate zone boundaries have been selected with vegetation distribution in mind. It combines average annual and monthly temperatures and precipitation, and the seasonality of precipitation.
Discuss examples of each Koppen classification.
Then take this quiz
'The worldwide system of winds, which transports warm and cold air very great distances away from the source regions, influences significantly the climates of the world. This worldwide wind system is called the general circulation of the atmosphere, and it gives rise to the Earth's climate zones. Although the changing of the seasons and the positions of large oceans and continental landmasses affect these climate zones, they provide a general approximation to the different types of climate seen on Earth.
The Earth's general circulation arises as a result of the temperature difference between the equator and the poles. This latitudinal temperature gradient produces atmospheric pressure differences which generate winds that transport the equatorial heat north and south to higher latitudes. The Earth's rotation however, deflects the northerly and southerly components of this atmospheric circulation, by means of the Coriolis force, clockwise in the northern hemisphere and anticlockwise in the southern hemisphere. Thus, global winds tend to be more easterly and westerly rather than northerly and southerly.'
The Köppen climate classification is one of the most widely used climate classification systems. It was developed around 1900 and is based on the concept that native vegetation is the best expression of climate, thus climate zone boundaries have been selected with vegetation distribution in mind. It combines average annual and monthly temperatures and precipitation, and the seasonality of precipitation.
Discuss examples of each Koppen classification.
Then take this quiz