A desert is anywhere that receives on average less than 250mm of rain a year
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Where are deserts usually found?
30 degrees N and S
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Name 3 desert areas?
Africa, Saudi Arabia and the Middle East.
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What is the climate like?
high pressure area, rarely cloudy, dry, very hot in the day, can be below freezing at night.
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What are the people like in deserts?
nomadic
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What is the soil like?
dry, stoney, infertile.
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What are the plants and animals like?
sparse vegetation, low population density of animals
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Name 4 animals in the deserts?
Death Scorpian, desert fox, camel, desert jerboa
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name 3 adaptations of the desert scorpion?
nocturnal, can slow its metabolism, burrows its head in the sand.
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name 3 adaptations of the desert fox?
nocturnal, big ears to cool down, fur on feet to protect it from sand
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name 3 adaptations of the camel?
2 sets of eyelashes to protect from sand, can close nostrils to avoid sand, humps to store fat
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name 3 adaptations of the desert jerboa?
live in burrows, nocturnal, small amount of urine.
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name 3 adaptations of the people that live there?
nomadic, long white clothes to reflect the sun, wear headdress to protect from the sun
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name 4 opportunities?
tourism, mining, energy, and irrigation and farming
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where is the That Desert?
South Asia, Northern India, South East of the Arabian Sea
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what mineral are found?
marble from Jodhpur and limestone from jaisalmer
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what is wrong with minerals?
they are non renewable
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what energy is created?
Indias largest wind farm the Jaisalmer wind park
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what is wrong with energy?
expensive
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What tourism is created?
Camel safaris from Jaisalmer and an annual 3 day folk music desert festival
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what is wrong with tourism?
can cause pollution from tourists that litter
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where is farming and irrigation?
Indira Ghandi canal grows wheat, pulses and cotton
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what is the problem with farming?
salinisation and water shortages
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What the issue with inaccessibility?
tarmac melts, sand storms cover roads, trucks sink in sand, few roads, overcrowded buses
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how does inaccessibility affect people?
can travel easily or to and from work, can't reach supplies
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how does inaccessibility affect economy?
no trade, no businesses, no work, constantly have to repair roads, expensive goods
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what is the issue with extreme climate?
can be 45 degrees, high rate of evaporation, animals need shade,
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how does he climate affect people?
working in the heat is hard, loss of animals
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How does the climate affect economy?
cost of air conditioning, few industries can locate there
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What is the issue with water insecurity?
intermittent rainfall, water pumped from aquifers is salty and poor quality
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How does water insecurity affect people?
walk long distances in unsafe conditions, diseases
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how does water insecurity affect the economy?
cost of importing water and food, industries need water
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What is the Indira Ghandi canal?
constructed in 1958, a 650km source of fresh water
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what is desertification?
where once productive land gradually changes into desert like landscape, it usually occurs on the edges of existing deserts in areas of semi-arid land.
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what is salinisation?
where water in soil evaporates in high temps, drawing salts from the soil to the surface. These salts are toxic to many plants and make land unusable, this leads to low yields, poor profit, and starvation
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name 4 things that cause desertification?
climate change, poverty, agriculture and population increase
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name 6 ways to reduce desertification?
afforestation, fuel efficient stoves, magic stones, national parks, sustainable irrigation, water and soil management
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