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A drought is a period of below-average precipitation in a given region, resulting in prolonged ... Causes of drought[edit]. Precipitation deficiency[edit]. See also: Precipitation. File:Ancient Dry ...

Causes of Drought - the National Drought Mitigation Center


Drought has many causes. It can be caused by not receiving rain or snow over a period of time. We learned in the discussions about the water cycle and weather  ...

What factors are responsible for droughts to occur? - eSchooltoday


What causes drought? drought info Lack of rainfall (or precipitation) Droughts can occur when there is the lack of 'expected' precipitation (rain and snow).

Droughts: Questions and answers (U.S. Geological Survey)


May 2, 2016 ... What is a drought? What causes drought? When does a drought begin? Does a shortage of rain mean that a drought will occur? Why doesn't a ...

Drought - Causes and Stages - Geography - About.com


A comprehensive overview of drought. Provides the definition of drought, the causes of drought, economic effects of drought, and how drought can be controlled.

BBC - GCSE Bitesize: Human activities causing drought


A secondary school revision resource for GCSE Geography on the causes and impact of droughts.

Physical Processes that Cause Drought - NASA Earth Observatory


Recurring droughts are common in the American West, and a 2008 report from the U.S. Climate Change Science Program cautions that they may become more  ...

Drought | Weather Wiz Kids


Drought has many causes. It can be caused by not receiving rain or snow over a period of time. If you live in a place where most of the water you use comes from ...

What Causes Drought? - Green Living - LoveToKnow


Jun 23, 2015 ... Includes: physical causes of drought, the human connection, climate change and drought, and guarding against dry times.

Causes and Effects of Drought | Earth Eclipse


Causes and effects of drought: During dry and hot weather periods, it is common to find dry and cracked earth without even a single shed of water or wet areas.

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Causes of Drought: What's the Climate Connection? | Union of ...


Learn about the different types of drought, the many factors that contribute to their development, and how climate change can have a significant effect on many of ...

What causes a drought? | Reference.com


Droughts are caused by changes in land and sea surface temperatures, atmospheric circulation patterns and soil moisture content. A change in any one of these ...

Drought Causes, Types, and Resources - Weather - About.com


The cause of droughts is easily understood, but hard to prevent. Depending on the location, crop failures, famine, high food prices, and deaths can occur. One of  ...