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Drought

en.wikipedia.org/wiki/Drought

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

drought.unl.edu/droughtforkids/whatisdrought/causesofdrought.aspx

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  ...

Causes of Droughts - eSchooltoday

eschooltoday.com/natural-disasters/droughts/factors-that-cause-droughts.html

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)

water.usgs.gov/edu/qadroughts.html

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 and Low Precipitation (Causes and Solutions) - Weather

weather.about.com/od/drought/f/droughts.htm

Question: What Causes Droughts? The cause of droughts is easily understood, but hard to prevent. Depending on the location, crop failures, famine, high food ...

BBC - GCSE Bitesize: Human activities causing drought

www.bbc.co.uk/schools/gcsebitesize/geography/water_rivers/drought_rev1.shtml

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

Drought | Weather Wiz Kids

www.weatherwizkids.com/?page_id=89

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 ...

Drought - Causes and Stages - Geography - About.com

geography.about.com/od/globalproblemsandissues/a/drought.htm

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

drought - National Geographic Society

nationalgeographic.org/encyclopedia/drought/

Sep 18, 2013 ... Causes of Drought. Most droughts occur when regular weather patterns are interrupted, causing disruption to the water cycle. Changes in ...

What Causes Drought? - Green Living - LoveToKnow

greenliving.lovetoknow.com/environmental-issues/what-causes-drought

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

More Info

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

www.ucsusa.org

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

www.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 ...

Physical Processes that Cause Drought - NASA Earth Observatory

earthobservatory.nasa.gov

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  ...