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Introduction to water
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What is the hydrological cycle?
It refers to the continuous movement of water from the Earth’s surface to the atmosphere and back again.
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SKETCHING AND ANNOTATION EXERCISE Workbook, p 81- 82
SKETCHING AND ANNOTATION EXERCISE Workbook, p
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Distribution of water
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http://media. economist
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What is water scarcity and why is there water scarcity?
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Water “scarcity” Where supply > demand. An economic principle
:. We have a water shortage/constraint. DEMAND
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How can there be water scarcity when 75% of the earth’s surface is made of water?
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Location of oceans
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Only 1 percent of total amount of water on earth is fresh water
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Location of ground water sources
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Location of ice caps and glaciers
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Drainage Basin - an area that contributes water to a river system
Confluence Distributary Delta
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Amazon Drainage Basin
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Major River Basins of the World
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Identify the continents with the largest drainage basins (p. 136)
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Largest Lakes
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Fresh Water Availability in 2007
Water scarcity: <1000 m3 Water stress: 1000 – 1700 m3 Water vulnerability: 1700 – 2500 m3 Water security: >2500 m3
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Think: what are the factors affecting water supply and demand?
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homework: To complete worksheet 2, and read 150-156 of textbook
THINK: - WHAT ARE THE IMPACTS OF WATER SHORTAGE ON PEOPLE? homework: To complete worksheet 2, and read of textbook
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Uses of water Impacts of Water shortage
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What are the impacts of water shortage on people?
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Transboundary water conflicts
Take out your foolscaps!!
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Watch the video on Mekong River. Using the 5Ws and 1H, think about: What is this conflict about? Why is there a conflict? Who are involved in this conflict? Who are the most affected? Who are the ones with the most power? Propose a solution to this problem, and explain why your solution will be successful You may present your reflections in the form of a mindmap, drawing or simply words. You may refer to Pg of your textbook on Question Framing And for information on the Mekong River conflict
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THINK: What strategies does Singapore have for water management?
Read textbook Complete Worksheets 1, 3. THINK: What strategies does Singapore have for water management?
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THINK: What strategies does Singapore have for water management?
Read textbook Complete Worksheets 1, 3.
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References itain2007.png
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