Drought

Drought

Drought

Precipitation helps keeping the inner balance of the earth, providing soil with moisture, groundwater, streams and lakes. However, when an area receives abnormally low precipitation over a relatively long period, causing a water shrtage that affects crops, people or environment, that area is experiencing drought.

Multiple Choice

Drought is when an area receives the same precipitation as always causing something far away from a shortage in water that could cause serious damage to people, crops or the environment.

• True

• False

How a drought is produced?

• Air above the are creates a region of high pressure, which prevents cloud formation and lowers the relative humidity. If an area experiences a high pressure for too long, the lack of precipitation produces drought.

• Size of the area affected.

• High temperatures.

• Strong dry winds.

Multiple Choice

Low pressure systems in the atmosphere, the same responsible for creating hurricanes, are in charge of creating droughts.

• True

• False

Multiple Choice

If an area experiences a high pressure system for too long, the resulting lack of precipitation produces drought.

• True

• False

Types of drought

• Meteorological drought

• Agricultural drought

• Hydrological drought

• Socioeconomic drought

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Type of drought that compares the actual amount of precipitation with how it used to be before. An example is if in a part of the worl is usual to have precipitation daily, experiencing two weeks without precipitation is considered a drought.

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Type of drought that is based on the water shortage's effect on people.

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Type of drought that occurs when a meteorological drought affects an area's groundwater, streams, lakes and reservoirs.

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This type of drought occurs when precipitation cannot supply enough moisture to the ground to support an area's crops.