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Presentation1 Drought
 

Presentation1 Drought

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    Presentation1 Drought Presentation1 Drought Presentation Transcript

      • You can feel the dryness in your throat.
      • The land is barren and covered in thin dust. Cracks appears in the earth’s.
      • This is drought
    • We hope you enjoy our 6 minute talk Made by Linh and Nida
    • Introduction:
      • Throughout this speech you’ll learn
      • The type of drought
      • How a drought starts
      • What causes a drought and lots more
    • What is drought?
      • Periods of time without enough rainfalls when water becomes scarce ,crops fail & plants & animal suffer or die
    • How a drought starts :
      • A drought starts when total rainfall is well below average for several months
      • Other signs of drought include:
      • Very dry soil
      • Trees have a sign of dying
      • Weather getting hotter and lots more
      Very dry soil
    • What causes a drought:
      • T here are a lot of reasons that causes a drought like:
      • When there is not enough rainfalls
      • The biggest reason that causes a drought is global warming. Global warming is a big effect to the earth
      • Diagram
    • Here’s the earth
    • There’ s a layer around the earth called an ozone layer. The ozone layer protects the earth Ozone Layer
    • From all the pollution we have made a hole in the ozone layer Hole
    • The sun shines in the hole and into the earth
      • This has increased the average temperature and caused climate changes to the earths atmosphere and also causes drought
    • Farmers:
      • Australian farmers have been suffering throughout the drought time .It has been very hard for them to:
      • Grow there crops
      • Grow plants
      • They have:
      • Lost a lot of money
      • There animals have died in the hot weather and lots more
      This is a picture of a corn destroyed by the dry soil
    • Prices of the food:
      • From the drought the prices of the food in Australia has increased especially wheat
      • It has increased like twice as its usual price
      • There are 3 types of drought They are
      • Meteorological drought
      • Hydrological drought
      • Agricultural drought
      Type of droughts
    • Meteorological drought
      • Meteorological drought is generally defined by comparing the rainfall in a particular place and at a particular time.
      • The meaning is therefore specific to a particular location
      • Meteorological drought leads to soil moisture and this always has an effect on crops production
    • Hydrological drought
      • Hydrological Drought is associated with the affect of low rainfalls on water level in reservoirs, rivers & lakes .This type of drought are noticed sometimes after a meteorology drought.
      • A hydrological drought change in water level affects eco-system
    • Agricultural drought
      • Agricultural drought occurs when there isn’t enough water for a crop to grow at the particular time.
      • This type of drought doesn’t depend only in the amount of rainfalls where water is used carelessly for irrigation and other purpose.
    • Some pictures of drought
    • This is a picture of a lake being dried by the drought
    • This is a picture of an animal died in the hot weather
    • This is a picture of crops dying
    • Movie Time Now we would like you to watch a movie clip http://dl.screenaustralia.gov.au/module/75/
    • Glossary Page
      • Barren: dry
      • Occur :happen
      • Eco-system :a community of plants & animals ,non-living &living objects
      • Irrigation: supplying extra water to a dry area to help crops grow
    • Where we got the information from:
      • We got the information from Google
      • Also the pictures
      • Now we would like you to
      • see a special website that we got some of our information
      • H:Current Events - Droughts - Forces of Nature.mht
      • Thank you for listening to us
      • We hope you learnt something today!