Imports and Exports flows (Module 8) - Online course Sector-Wide Circularity Assessment

The slides for this presentation can be found here.

Note: In the video, there is a reference made to electricity and water, but this is NOT applicable to CityLoops.
And here is an explanation on the National Statistics of Transport (NST).

Outline of the video

  • Key part in our work
  • Relates to all materials and products that are brought from outside of the city to the city.
  • Fundamental work, because a vast amount of materials are imported and exported
  • What are they, where do they come from, how do they move
  • How does it happen: something crosses the city boundaries. We can consider how it crosses that. For example, by land with trucks or rail, by water with ships, by air with planes.
  • Freight by train is more likely to be bulk materials (grain, coal).
  • More hidden: transport by pipeline. (Water, gas)
  • M5:33 overview
    • Highly relevant to all flows
    • Urban boundaries highly porous --> difficult to get numbers
    • Freight statistics are key
    • Transport-mode (TM) based vs. commodity-based (CB) approach
      • TM: quantify everything that goes by rail or by pipeline; tracks it by activity
      • CB: track all petroleum and look at various modes.
      • Practical to take one approach and then add things up.
      • Choice of approach is dependent on the data that is out there.

    • There is also imports and exports of energy

  • M9:37, examples
    • South African ports

  • M11:17, sources
    • Statistical agencies
    • Freight data agencies
    • Studies
    • Relevant governing bodies
    • Keywords: freight statistics, imports and exports + city name

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