water footprint citarum utilization

meetings

• 13-nov-2023 Report current progress, the equations.
• 30-oct-2023 Confirm the loop and add source of water.
• 27-oct-2023 Start from simple loop and steps for information gathering.

13-nov-2023

• It should begin about 0800 and is only for 1 hour.
• The difference between water consumption and water utilization is now clear.
• Find information about
  • For different products are there several paths between two main elements, or
  • There are different CLD for each product.
• In firts two week of Dec will to Aus and progress report will be delivered online.

30-oct-2023

• Increasing loop → balancing loop.
• Equations: ETo for various types of crop, individual water need per time duration,
• Describe activities related to WU and WC to differ them.

27-oct-2023

• A balancing loop from four variables (WC, WS, WD, WU).

  Symbol	Description
  WC	Water Consumption
  WS	Water Supply
  WD	Water Demmand
  WU	Water utilization

• Relations (ideal)

  • ${\rm WD} = f_1({\rm WS})$
  • ${\rm WU} = f_2({\rm WD})$
  • ${\rm WC} = f_3({\rm WU})$
  • ${\rm WS} = f_4({\rm WC})$

• Literature study

  • Good: There are $f_1$, $f_2$, $f_3$, $f_4$.
  • Medium:
    • There data, e.g. $\rm WD$ vs $\rm WS$.
    • Then related fitting function, e.g. ${\rm WD} = f_1({\rm WS})$, can be created.
  • Not good: Descriptive and qualitative statement or opinion about relation between parameters, e.g. $\rm WD$ vs $\rm WS$, based on years of experience.

refs

• Step-by-step stoks and flows: Improving the rigor of your thinking ( Aronson & Angelakis, 2016 ).
• Green, blue, and gray water ( Chat GPT 2023 )

files

• 10-nov-2023 Progress Report -7_Phetviengkham(30222751).pdf
• 30-oct-2023 Progress Report -6_Phetviengkham(30222751).pdf