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Introduction to water.

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Presentation on theme: "Introduction to water."— Presentation transcript:

1 Introduction to water

2 What is the hydrological cycle?
It refers to the continuous movement of water from the Earth’s surface to the atmosphere and back again.

3 SKETCHING AND ANNOTATION EXERCISE Workbook, p 81- 82
SKETCHING AND ANNOTATION EXERCISE Workbook, p

4

5 Distribution of water

6 http://media. economist

7 What is water scarcity and why is there water scarcity?

8 Water “scarcity” Where supply > demand. An economic principle
:. We have a water shortage/constraint. DEMAND

9 How can there be water scarcity when 75% of the earth’s surface is made of water?

10 Location of oceans

11 Only 1 percent of total amount of water on earth is fresh water

12 Location of ground water sources

13 Location of ice caps and glaciers

14

15 Drainage Basin - an area that contributes water to a river system
Confluence Distributary Delta

16 Amazon Drainage Basin

17 Major River Basins of the World

18 Identify the continents with the largest drainage basins (p. 136)

19 Largest Lakes

20 Fresh Water Availability in 2007
Water scarcity: <1000 m3 Water stress: 1000 – 1700 m3 Water vulnerability: 1700 – 2500 m3 Water security: >2500 m3

21 Think: what are the factors affecting water supply and demand?

22 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

23 Uses of water Impacts of Water shortage

24 What are the impacts of water shortage on people?

25 Transboundary water conflicts
Take out your foolscaps!!

26 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

27 THINK: What strategies does Singapore have for water management?
Read textbook Complete Worksheets 1, 3. THINK: What strategies does Singapore have for water management?

28 THINK: What strategies does Singapore have for water management?
Read textbook Complete Worksheets 1, 3.

29 References itain2007.png


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