IB Diploma Environmental Systems

1. Topic 4 – Water, aquatic food
production systems and societies
Draw an annotated diagram to demonstrate the global
water stores, include the percentages of each store
Define the following
Turnover time:
Hydrological flows:
Precipitation:
Evapotranspiration:
Interception loss:
Throughfall:
Stemflow:
Infiltration capacity:
Sublimation:

2. Outline how interception loss varies:
Topic 4 - Flows
Outline how evaporation rates vary:
Define advection:
Outline the relationship with the hydrological cycle:
Outline how and why infiltration rates vary
Construct a diagram of the hydrological cycle to show inputs,
outputs, flows and stores.
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3. Human
Activity
Description of activity Impact/s on water systems
Irrigation
Deforestation
Urbanisation
Topic 4 – Humans and the Hydrological Cycle
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4. Topic 4 Plan your answer to this question
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5. Topic 4 – Ocean Circulation
Outline the role of each of the following in
the ocean circulation system
Salinity:
Temperature:
Density:
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Describe the main ocean circulation system

6. Topic 4 - Oceans
Briefly outline the operation of Great Ocean Conveyor Belt
Define thermocline:
Define specific heat capacity:
Explain its role in ocean circulation patterns:
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7. Topic 4 – Fresh Water
Briefly outline why access to fresh water varies globally
Case Study: Access to Fresh Water
Briefly outline how climate change may influence rainfall patterns and access
to fresh water
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