Thursday, October 21, 2010

Factors Affecting Climate: Ocean Currents & Landforms

Today Thursday 21st October we talked about how ocean currents and landforms affect the climates of the earth. Ocean currents are large 'rivers' of water in the oceans that are caused by the uneven heating of the earth. Land near currents tends to have a milder climate. Warm currents warm nearby land, while cold currents have the opposite effect. Mountains have a strong influence on the amount of precipitation that an are receives. Mountains block moisture from reaching the other side and create the rain shadow effect. Precipitation, of course, is any moisture that falls from the sky such as rain, snow, hail, etc.

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