GCSE Geography Weather and Climate Keywords

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Arid

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A region with little or no regular precipitation.

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Crop yield

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A measurement of the amount of crops produced.

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Drought

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An extended period of lower than normal rainfall causing water shortages.

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Economic impact

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The financial cost of a tropical cyclone e.g. property damage.

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Enhanced greenhouse effect

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The trapping of heat radiation around the Earth by excess greenhouse gases produced through human activity.

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Environmental impact

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Damage to the environment caused by a tropical cyclone e.g. nature reserves.

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Frequency

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The number of times tropical cyclones occur in a year.

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Glacial period

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A period of time with lower average temperatures causing widespread glaciation.

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Global atmospheric circulation

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The movement of air within cells controlled by the heating and cooling of Earth.

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Human (cause of drought)

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Human activity that causes drought through agriculture or water diversion.