Understanding Droughts: Causes, Effects, and Adaptations

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Questions and Answers

What is the most immediate impact of drought on daily life, as described?

  • Restrictions on water usage for basic hygiene. (correct)
  • Less water for animals.
  • Increased food prices due to crop failure.
  • Damage to local communities.

Droughts only affect agricultural regions and do not impact urban populations.

False (B)

Beyond personal discomfort, how can drought specifically affect community dynamics or social structures?

Droughts can lead to conflicts over limited water resources and force people to migrate.

Droughts can lead to food ______ because plants don't get enough water to grow.

<p>shortages</p> Signup and view all the answers

Match the following consequences to the corresponding impact of droughts:

<p>Crop Failure = Food Shortages Water Restrictions = Limited Access to Hygiene Dry Riverbeds = Hydrological Drought Migration = Community Stress</p> Signup and view all the answers

Which of the following is NOT stated as a direct consequence of droughts?

<p>Mandatory migration from affected areas. (A)</p> Signup and view all the answers

Saving water during a drought is solely the responsibility of farmers and not relevant to urban residents.

<p>False (B)</p> Signup and view all the answers

What specific actions can families take to conserve water during a drought?

<p>Using less water for daily activities likes washing cars, taking shorter showers and watering gardens.</p> Signup and view all the answers

Using ______ to collect rainwater is a water-saving measure that can help during a drought.

<p>rainwater tanks</p> Signup and view all the answers

Match the following water conservation methods with their descriptions:

<p>Shorter Showers = Using water more efficiently when bathing Turning off the tap when brushing teeth = Preventing water waste while cleaning teeth Rainwater tanks = Harvesting rainwater for later use Crops that need less water = Growing crops that minimize water</p> Signup and view all the answers

Besides water conservation, what other environmental action is important during a drought?

<p>Protect trees and plants. (C)</p> Signup and view all the answers

Australia has a uniform risk of drought across all its regions.

<p>False (B)</p> Signup and view all the answers

Which parts of Australia are currently listed as very dry?

<p>Parts of Western Australia, New South Wales, and South Australia.</p> Signup and view all the answers

Droughts increase the risk of ______, especially in the summer.

<p>bushfires</p> Signup and view all the answers

Match the Australian regions with their drought vulnerability:

<p>Western Australia = Currently experiencing very dry conditions New South Wales = Facing significant drought impacts South Australia = Region with minimal rain currently Victoria = Areas that look geen but don't have enough soil moisture</p> Signup and view all the answers

What is a meteorological drought primarily defined by?

<p>Less rain than normal. (B)</p> Signup and view all the answers

Different types of drought cannot occur simultaneously in the same region.

<p>False (B)</p> Signup and view all the answers

How does an agricultural drought specifically impact farming operations?

<p>Plants don't get enough water to grow.</p> Signup and view all the answers

[Blank] drought refers to when rivers, lakes, and underground water sources dry up.

<p>Hydrological</p> Signup and view all the answers

Match the type of drought with its definition:

<p>Meteorological Drought = Much less rain than normal Agricultural Drought = Plants don't get enough water to grow Hydrological Drought = Rivers, lakes, and underground water sources dry up Socioeconomic Drought = Food and water get harder to find</p> Signup and view all the answers

What weather pattern is most closely associated with droughts in Australia?

<p>El Niño. (D)</p> Signup and view all the answers

The longest El Niño drought in Australia occurred in the decade of the 2000s.

<p>False (B)</p> Signup and view all the answers

What was the economic impact on farmers during Australia's longest El Niño drought, in terms of financial loss?

<p>Farmers lost almost $2 billion.</p> Signup and view all the answers

During the longest El Niño drought the whole economy lost $______.

<p>5 billion</p> Signup and view all the answers

Relate the drought details to their respective impacts during Australia's longest El Niño drought (1991-1995):

<p>Queensland = Region majorly affected during this period New South Wales = One of the regions impacted Farmers = Lost almost $2 billion economy = Lost $5 billion</p> Signup and view all the answers

What name was given to the severe drought experienced in Australia from 1895-1903?

<p>King Drought. (B)</p> Signup and view all the answers

The King Drought only affected a small, localized portion of Australia.

<p>False (B)</p> Signup and view all the answers

Which previous decades experienced good rainfall before the 1895 King Drought?

<p>The 1870's and 1880's.</p> Signup and view all the answers

Many people and animals ______ during the King Drought due to the harsh conditions.

<p>died of starvation</p> Signup and view all the answers

Match the period's drought conditions with its historical effect.

<p>Prior to 1890s = Decades of regular rainfall King Drought (1895-1903) = Period with deaths from starvation Impact = Australia-wide effect</p> Signup and view all the answers

Which region was primarily impacted by the series of droughts from 1789 to 1815?

<p>Sydney and district. (B)</p> Signup and view all the answers

New South Wales did not experience any significant droughts before the year 1820.

<p>False (B)</p> Signup and view all the answers

Between 1864 and 1868 which parts of Australia experienced drought conditions?

<p>Southern and Central Australia</p> Signup and view all the answers

The drought from 1895 to 1903 is known as ______.

<p>King drought</p> Signup and view all the answers

Link each drought period with the affected region.

<p>1789 to 1793 = Sydney and district 1826 to 1829 = New South Wales 1864 to 1868 = Southern and Central Australia 1895 to 1903 = Australia wide</p> Signup and view all the answers

What contributes to changes in wind that exacerbate drought conditions by affecting moisture from the air?

<p>Weather changes. (B)</p> Signup and view all the answers

Wind and weather patterns have no effect on moisture.

<p>False (B)</p> Signup and view all the answers

How can weather impact how much rain a place can get?

<p>Weather changes can stop rain storms from coming</p> Signup and view all the answers

Most droughts happen when the ______ changes and there is not enough rain to keep the land and water sources full.

<p>weather</p> Signup and view all the answers

Connect the following:

<p>Wind = Can affect how places get moisture from the air Weather = Can stop rainstorms from coming</p> Signup and view all the answers

Flashcards

What is a drought?

A long period of dry weather with not enough rain, causing water shortages and problems for communities, crops, and animals.

What causes droughts?

Changes in weather and wind patterns that prevent rainstorms from occurring, reducing the amount of moisture from the air.

How droughts affect us

Droughts make it harder to find water and grow food. People may have to move away or fight for water. The environment also suffers.

How people cope in drought

People save water, grow drought-resistant crops, and communities work together to share resources and support each other.

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Preventing/helping droughts

Use less water in daily activities, farmers grow drought-resistant crops, use rainwater tanks and protect trees to help the environment.

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Drought affected areas in Australia

Western Australia, New South Wales, and South Australia are currently experiencing dry conditions and a lack of rainfall.

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Meteorological drought

Much less rain than normal.

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Agricultural drought

Plants don't get enough water to grow.

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Hydrological drought

Rivers, lakes, and underground water sources dry up.

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Socioeconomic drought

Drought makes food and water harder to find, affecting people's daily lives.

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Longest El Nino drought in Australia

The longest El Nino drought happened from 1991-1995, impacting Queensland and New South Wales, causing billions in losses.

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King Drought (1895-1903)

From 1895 to 1903, considered Australia's worst drought, causing starvation and widespread problems.

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Study Notes

What is a drought?

  • A drought is a long period of dry weather with insufficient rain.
  • Drought conditions can damage crops and reduce food and water availability.
  • Droughts can negatively impact families, farmers, and animals.
  • Drought conditions can also cause food shortages and water disputes.

What causes droughts?

  • Weather changes are the primary cause of most droughts.
  • Insufficient rainfall keeps land and water sources depleted.
  • Wind and weather patterns affect the amount of rain an area receives.
  • Wind changes can reduce moisture from the air.

How do droughts affect us?

  • Droughts make it difficult to find sufficient water for drinking, cooking, and watering plants.
  • Droughts can lead to food shortages, causing higher prices.
  • People may be forced to relocate due to lack of water.
  • Droughts can lead to conflicts over the remaining water.
  • Droughts harm the environment, making it harder for plants and animals to survive.

How do people stay in drought-affected areas?

  • Some people stay in drought-affected areas even when water is scarce.
  • Farmers struggle to grow crops and care for animals.
  • Families conserve water by reducing water usage for activities like washing cars and watering gardens.
  • Communities collaborate to help each other through tough times.

How can we prevent or help during a drought?

  • Conserving water by taking shorter showers and turning off taps can help during a drought.
  • Farmers can cultivate crops that require less water.
  • Using water-saving tools such as rainwater tanks is useful.
  • Protecting trees and plants is essential for maintaining a healthy environment.
  • Collective efforts to conserve water can significantly help during droughts.

Droughts in Australia

  • Australia experiences many dry regions, and specific areas face more severe drought impacts.
  • Western Australia, New South Wales, and South Australia are currently arid with minimal rainfall.
  • Some areas, like western Victoria, appear green but lack deep soil moisture necessary for crops.
  • Droughts increase the risk of bushfires, necessitating vigilance, particularly during summer.

Different types of Droughts

  • Meteorological drought occurs when there is significantly less rain normal.
  • Agricultural drought impacts farms by not providing enough water for plants to grow.
  • Hydrological drought happens when rivers, lakes, and underground water sources dry up.
  • Socioeconomic droughts happen when food and water become scarce affecting daily life.
  • All types of drought can create significant issued, and can happen concurrently.

The longest El Nino drought in Australia

  • El Nino weather patterns usually cause short droughts in Australia.
  • The longest El Nino drought occurred from 1991 to 1995.
  • Queensland and New South Wales were the areas most affected.
  • Farmers lost nearly $2 billion and the economy lost $5 billion.

King drought 1895-1903

  • From 1895-1903, Australia experienced what many people consider to be its worst drought.
  • Some people named the drought "King Drought" or "Old Man Drought"
  • The 1870's and 1880's had regular rainfall, unlike the 1890's.
  • People and animals died of starvation and caused a big problem for the whole of Australia.

Some other large droughts

  • 1789 to 1793 - Sydney and district (First white settlement)
  • 1798 to 1799 - Sydney and district
  • 1809 to 1815 - Sydney and district
  • 1826 to 1829 - New South Wales
  • 1837 to 1843 - Southern Australia
  • 1864 to 1868 - Southern and Central Australia
  • 1895 to 1903 - Australia wide (King drought)

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