2016年5月IB地理真题（SL+HL）下载-Paper2
1. If you choose to answer this question refer to the map on page 2 in the resources booklet.
The map shows the Clutha River and the town Balclutha on the South Island of New Zealand.The scale of the map is 1:50 000 and the contour interval is 100 metres.
(a) Identify and locate two natural river landforms found on the Clutha River’s floodplain.
(b) (i) Briefly explain how one human modification of the floodplain shown in area A (outlined in black) may reduce river flooding.
(ii) Suggest two ways in which the settlement of Balclutha may have led to increased river flooding.
(c) Examine how the environmental impacts of agriculture and irrigation on water quality vary from place to place.
2. (a) Outline how water is transferred through a drainage basin by:
(i) infiltration;
(ii) throughflow.
(b) Suggest how a change in the balance of water stored in oceans and ice could result in:
(i) one environmental consequence with positive effects for people;
(ii) one environmental consequence with negative effects for people.
(c) “The benefits gained from the construction of large dams outweigh any costs.”Discuss this statement with reference to one or more major dams.
3. The graph shows changes in average annual ocean salinity and temperature with depth.
(a) Referring to the graph:
(i) describe how ocean salinity varies with depth;
(ii) describe how ocean temperature varies with depth.
(b) Explain three economic benefits of mangrove swamps.
(c) To what extent have the management strategies adopted to resolve human pressures on one named coastline been successful?
2016年5月IB地理真题余下省略！
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