Practice IB Geography Topic B.4 Ocean Management Futures with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B.4 Ocean Management Futures and mirrors Paper 1, 2, 3 style where relevant.
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Identify one ocean region where surface flow moves warm water toward the poles.
Identify the direction of bottom flow in the Southern Ocean.
Outline one reason why deep water forms in the Labrador or Greenland Sea.
Explain two effects of thermohaline circulation on global climate patterns.
Examine how the disruption of thermohaline circulation could impact human societies.
Discuss the importance of ocean circulation in maintaining planetary energy balance.
The map below shows The Overview of Thermohaline Circulation.
Using the map, identify one ocean region where deep water forms.
Using the map, identify the direction of bottom flow in the Southern Ocean (around Antarctica).
Using the map, outline one reason why deep water forms in the Labrador or Greenland Sea.
Explain one effect of thermohaline circulation on global climate patterns.
Explain one other effect of thermohaline circulation on global climate patterns.
Examine how the disruption of thermohaline circulation could impact human societies.
The graph below shows global fisheries and aquaculture production (million tonnes).
Using the graph, identify when total aquaculture production (marine and inland combined) first exceeded total capture fisheries production.
Using the graph, estimate the approximate total global fish production in 2020.
Using the graph, describe the overall trend in global aquaculture production from 1950 to 2020.
Explain one environmental or socio-economic reason for the rise of aquaculture as a source of fish production.
Explain one environmental impact of increasing global aquaculture production.
Examine the implications of changing global fish production trends for food security.
The map below shows the fish catch (tonnes per square kilometre) globally
Identify one region with the highest fish catch intensity
Identify one region with the lowest fish catch intensity.
Describe the global spatial pattern of fish catch intensity shown in the map.
Explain two physical or environmental factors that influence fish catch productivity in coastal waters.
Discuss the environmental consequences of overfishing in high-intensity fish catch regions.
Examine the challenges of achieving sustainable fishery management in regions of high fish catch.
The graph below shows daily sea surface temperatures in the Northeastern Atlantic Ocean (1979–2023)
Identify the year with the highest sea surface temperatures up to 30 June.
State the temperature range for June 2023.
Outline one possible reason for the observed rise in sea surface temperatures in recent decades.
Explain two ways rising sea surface temperatures can affect coastal environments.
Examine the potential impacts of rising sea surface temperatures on coastal communities.
Discuss strategies that can be used to mitigate the effects of warming seas on marine ecosystems.