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Extreme Weather. The Affects of Droughts. Information on Droughts. Weather linked natural disaster Can affect vast areas from months to years A drought is temporary Droughts can be caused from lack of rain, high temperatures, low relative humidity, or high winds. Types of droughts.

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Presentation Transcript
extreme weather

Extreme Weather

The Affects of

Droughts

information on droughts
Information on Droughts

Weather linked natural disaster

Can affect vast areas from months to years

A drought is temporary

Droughts can be caused from lack of rain, high temperatures, low relative humidity, or high winds.

types of droughts
Types of droughts

Picture from http://www.greenpeace.org/raw/image_full/seasia/en/photosvideos/photos/droughts-in-cambodia

  • Meteorological drought
    • Based on the amount of dryness
    • It is region specific
types of droughts ii
Types of Droughts II

Picture from http://www.magazine.noaa.gov/stories/images/drought2.gif

  • Agricultural droughts
    • Agricultural droughts are droughts that have affects on crops during their different stages.
    • Data used to identify if it is an agricultural drought is soil texture, fertility and soil moisture, crop type and area, crop water requirement, pests, and climate.
types of droughts iii
Types of droughts III

Picture from http://www.srh.noaa.gov/abq/climate/Monthlyreports/Annual/2004/ElephantButteDroughtRing2004.jpg

  • Hydrological drought
    • Happens when there is a low quantity of release of water from reservoirs and streams.
    • Can last from months to years.
types of droughts iv
Types of Droughts IV
  • Socioeconomic drought
    • Depends on supply and demand
    • Occurs when the economic demand for things from the earth are low because of extreme weather.
chart on the impacts of droughts
Chart on the Impacts of Droughts

Picture from http://www.drought.unl.edu/whatis/images/climvar.gif

slide8
Quiz

A drought is permanent.

True

False

correct
Correct

A drought is only temporary but may last from months to years.

sorry
Sorry

Review the information on slide 1 and then try again.

Click here

slide11
Quiz
  • A drought can be caused by
    • A. High humidity
    • B. Low winds
    • C. High winds
    • D. Low temperatures
congratulations
Congratulations

A drought can be caused by high winds along with high temperatures, low humidity, and lack of rain.

sorry1
Sorry

That answer is incorrect please refer back to the information from earlier in the slide show.

Click here

works cited
Works Cited
  • Information from
    • http://threeissues.sdsu.edu/three_issues_droughtfacts02.html