the direction of bottom flow in the Southern Ocean.
[1]
(c)
one reason why deep water forms in the Labrador or Greenland Sea.
[2]
(d)
two effects of thermohaline circulation on global climate patterns.
[6]
(e)
how the disruption of thermohaline circulation could impact human societies.
[10]
(f)
the importance of ocean circulation in maintaining planetary energy balance.
[10]
SL & HLPaper 1
The map below shows The Overview of Thermohaline Circulation.
Source: SEAICE Portal
(a)
Using the map, one ocean region where deep water forms.
[1]
(b)
Using the map, the direction of bottom flow in the Southern Ocean (around Antarctica).
[1]
(c)
SL & HLPaper 1
The graph below shows global fisheries and aquaculture production (million tonnes).
Source: Food and Agriculture Organisation (FAO)
(a)
Using the graph, when total aquaculture production (marine and inland combined) first exceeded total capture fisheries production.
[1]
(b)
Using the graph, the approximate total global fish production in 2020.
[1]
SL & HLPaper 1
The map below shows the fish catch (tonnes per square kilometre) globally
Source: Based on Alhenius, H., (2008), Food and Agriculture Organisation (FAO)
(a)
one region with the highest fish catch intensity
[1]
(b)
one region with the lowest fish catch intensity.
[1]
SL & HLPaper 1
The graph below shows daily sea surface temperatures in the Northeastern Atlantic Ocean (1979–2023)
Source: Programme of the European Union, Copernicus, European Centre for Medium-Range Weather Forecasts (ECMWF).
(a)
the year with the highest sea surface temperatures up to 30 June.
[1]
(b)
the temperature range for June 2023.
[1]
IB Geography Topic B.5 Synthesis, Evaluation and Skills Opportunities Questionbank
Practice IB Geography Topic B.5 Synthesis, Evaluation and Skills Opportunities with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B.5 Synthesis, Evaluation and Skills Opportunities and mirrors Paper 1, 2, 3 style where relevant.
Get instant solutions, detailed explanations, and build confidence with questions aligned to IB examiner expectations.
Using the map, one reason why deep water forms in the Labrador or Greenland Sea.
[2]
(d)
one effect of thermohaline circulation on global climate patterns.
[3]
(e)
one other effect of thermohaline circulation on global climate patterns.
[3]
(f)
how the disruption of thermohaline circulation could impact human societies.
[10]
(c)
Using the graph, the overall trend in global aquaculture production from 1950 to 2020.
[2]
(d)
one environmental or socio-economic reason for the rise of aquaculture as a source of fish production.
[3]
(e)
one environmental impact of increasing global aquaculture production.
[3]
(f)
the implications of changing global fish production trends for food security.
[10]
(c)
the global spatial pattern of fish catch intensity shown in the map.
[2]
(d)
two physical or environmental factors that influence fish catch productivity in coastal waters.
[6]
(e)
the environmental consequences of overfishing in high-intensity fish catch regions.
[10]
(f)
the challenges of achieving sustainable fishery management in regions of high fish catch.
[10]
(c)
one possible reason for the observed rise in sea surface temperatures in recent decades.
[2]
(d)
two ways rising sea surface temperatures can affect coastal environments.
[6]
(e)
the potential impacts of rising sea surface temperatures on coastal communities.
[10]
(f)
strategies that can be used to mitigate the effects of warming seas on marine ecosystems.