2019年5月IB地理真题（SL+HL）下载-Paper1
1. The diagram shows the changing frequency of discharge* in a small drainage basin during two different time periods.
(a) Estimate the highest discharge of the river during the 1950s.
(b) State the number of times that river discharge reached 4 m3/s (cubic metres per second) during the 1990s.
(c) Outline two possible land use changes that could account for the increase in river discharge over time shown in the diagram.
(d) Explain how different channel modifications in a small drainage basin such as this can:
(i) increase flood risk;
(ii) assist with flood mitigation.
Answer either part (a) or part (b).
Either
2. (a) Examine the costs and benefits, for different stakeholders, of one recent integrated drainage basin management (IDBM) plan.
Or
2. (b) Examine the relative importance of erosion and deposition in the formation of floodplains and meanders.
3. Refer to the table and map on page 2 of the accompanying resource booklet.
The table and map show management zones created to control human activities along a nation’s coastal margin that includes coral reefs.
(a) Identify the least controlled activity in the coastal margin shown on the map.
(b) Estimate the distance, in kilometres, between the Preservation Zone and Cardwell.
(c) Outline one possible physical reason and one possible human reason for the location of the Preservation Zone.
(d) Explain two sovereignty rights that the nation in the map possesses over the area of water shown.
Answer either part (a) or part (b).
Either
4. (a) Examine why some hurricanes could have a greater impact than others on coastal margin landscapes.
Or
4. (b) Examine why conflicting land-use pressures on coastlines can be difficult to resolve.
2019年5月IB地理真题余下省略！
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