2012年5月IB地理真题(SL+HL)下载-Paper2

2012年5月IB地理真题(SL+HL)下载-Paper2

Optional Theme A — Freshwater – issues and conflicts

1. The diagram shows the inputs, outputs, stores and transfers that occur within a drainage basin as an open system.

(a) Identify two transfers and two stores shown in the diagram. 

(b) Explain three ways in which human activity can reduce the time taken for water to pass through the system. 

(c) Examine how an international conflict has arisen as a result of competing demands for freshwater.

 

2. If you choose to answer this question refer to the map on pages 2 and 3 in the Resources Booklet.

The map extract shows an area in western Mexico. The scale of the map is 1:250 000 and the contour interval is 100 metres.

(a) Describe the geographical characteristics of the Río Grande de Santiago downstream from La Presa.

(b) Analyse how the freshwater resources shown in box A on the map could be used for different purposes.

(c) “People should not try to prevent rivers from flooding.” Discuss this statement.

 

3. If you choose to answer this question refer to the map on page 4 in the Resources Booklet.

The map shows surface ocean currents in the Atlantic Ocean in January.

(a) Describe the pattern of ocean currents shown on the map. 

(b) Explain the functioning and importance of the oceanic conveyor belt.

(c) “Ocean fishing can never be sustainable.” Discuss this statement. 

 

4. (a) Identify two abiotic resources found in each of the following:

(i) continental shelf areas,

(ii) ocean floor deposits.

(b) Explain three consequences of oil pollution in oceans. 

(c) Examine the effects of the loss of coral reefs and mangrove swamps.

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