Drought Flashcards

1
Q

Drought

A

A period of below average precipitation in a region resulting in prolonged shortages in the water supply.

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2
Q

Water Scarcity

A

When the demand for clean fresh water exceeds the available supply

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3
Q

Meteorological Drought

A

Period of time with below average rainfall.

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4
Q

Agricultural Drought

A

Reduction in available water for crop growth.

Soil Moisture Defecit

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5
Q

Issues with Agricultural Drought

A

Not just caused by lack of precipitation but high temperatures and evapotranspiration will reduce soil moisture

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6
Q

Hydrological Drought

A

Reduction in the amount of water in rivers, lakes and the rate of aquifer recharge

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7
Q

Issues of Hydrological Drought

A

Can be driven by water diversion undergone by humans

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8
Q

Socio-Economic Drought

A

Water demand for social and economic purposes exceeds availability.

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9
Q

Issues of Socio-Economic Drought

A

Lack of human access for crop irrigation and drinking water results in famine.

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10
Q

ITCZ

A

Inter-Tropical Convergence Zone

Dynamic belt of low pressure near the equator.
The winds of different levels converge with the warm air rising.
The cooling of the warm air as it rises results in rainfall.

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