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# | Type | Name | Units | Equation |
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1 | Stock | POP | Thousand persons | Net population growth rate |
2 | Stock | Area of houses built | Million m2 | Rate of housing construction |
3 | Stock | Total C&D waste landfilled | Million m3 | Rate of landfilling |
4 | Stock | Total CO2 emission | Ton CO2 eq | Rate of CO2 emission |
5 | Stock | Total energy consumption | Ton oil equivalent | Rate of energy consumption |
6 | Flow | Net population growth rate | Thousand persons (year) | Factor of net population growth ratePOP |
7 | Flow | Rate of housing construction | Million m2 (year) | SMOOTHI (demand of new housing, 2.6, 13.646) |
8 | Flow | Rate of landfilling | Million m3 (year) | C&D waste generation rate |
9 | Constant | LCA-energy-natural | Kgoe (ton) | 2.3024 |
10 | Flow | Rate of energy consumption | Ton oil equivalent (year) | (1.6demand of aggregate“LCA-energy-natural”)1000 |
11 | Constant | LCA-CO2-natural | kg CO2 eq (ton) | 4.4609 |
12 | Flow | Rate of CO2 emission | Ton CO2 eq (year) | (1.6demand of aggregate“LCA-CO2-natural”)1000 |
13 | Lookup | FNPGR lookup | Thousand persons | Historical data |
14 | Auxiliary | Factor of net population growth rate | — | FNPGR lookup (time) |
15 | Lookup | EFA lookup | m3/m2 | Historical data |
16 | Auxiliary | Effect factor of aggregates | m3/m2 | EFA lookup (time) |
17 | Auxiliary | Fixed unit price of aggregates | USD (m3) | Unit price of natural aggregate + unit cost of landfilling |
18 | Auxiliary | Fixed unit price of housing construction | USD (m2) | Fixed unit price of aggregateseffect factor of aggregates |
19 | Auxiliary | Demand for new housing | Million m2 | ABS ((0.005297fixed unit price of housing construction) + (0.156357POP) − (0.05343GDP) − 1083.34 − area of houses built) |
20 | Lookup | NGDP lookup | Thousand USD | Historical data |
21 | Auxiliary | Normal GDP | Thousand USD | NGDP lookup (time) |
22 | Auxiliary | GDP | Thousand USD | Normal GDP + ((fixed unit price of housing construction/1000)rate of housing construction) − fixed price of aggregates |
23 | Lookup | PA lookup | m3/m2 | Historical data |
24 | Auxiliary | Amount of aggregates | m3/m2 | PA lookup (time) |
25 | Auxiliary | Demand of aggregate | Million m3 | Percentage of aggregatesrate of housing construction |
26 | Constant | Density factor | — | 0.62 |
27 | Auxiliary | Extraction amount | Million m3 | Demand of aggregatedensity factor |
28 | Lookup | URRQ lookup | m3/m2 | Historical data |
29 | Auxiliary | Urban reduction ratio of quarries | m3/m2 | URRQ lookup (time) |
30 | Auxiliary | Land-use of quarries | Million m2 | Extraction amounturban reduction ratio of quarries |
31 | Constant | Total constructable area | Million m2 | 240 |
32 | Lookup | URRL lookup | m3/m2 | Historical data |
33 | Auxiliary | Urban reduction ratio of landfilling | m3/m2 | URRL lookup (time) |
34 | Auxiliary | Land-use of landfill | Million m2 | Total C&D waste landfilledurban reduction ratio of landfilling |
35 | Lookup | LUAR lookup | — | Historical data |
36 | Auxiliary | Land-use/area ratio | — | LUAR lookup (time) |
37 | Auxiliary | Land-use of houses built | Million m2 | Area of houses built“land-use/area ratio” |
38 | Auxiliary | Remained constructable area | Million m2 | MAX (total constructable area − “land-use of quarries” − “land-use of houses built” − “land-use of landfill,” 0) |
39 | Lookup | UPNA lookup | USD (m3) | Historical data |
40 | Auxiliary | Unit price of natural aggregate | USD (m3) | UPNA lookup (time) |
41 | Auxiliary | Price of natural aggregate | USD | Unit price of natural aggregateextraction amount |
42 | Lookup | UCL lookup | USD (m3) | Historical data |
43 | Auxiliary | Unit cost of landfilling | USD (m3) | UCL lookup (time) |
44 | Auxiliary | Landfilling cost | USD | Unit cost of landfillingrate of landfilling |
45 | Auxiliary | Fixed price of aggregates | Thousand USD | (Landfilling cost + price of natural aggregate)/1000 |
46 | Auxiliary | Fixed unit price of aggregates | USD (m3) | Unit price of natural aggregate + unit cost of landfilling |
47 | Lookup | RCW lookup | m3/m2 | Historical data |
48 | Auxiliary | Ratio of construction waste | m3/m2 | RCW lookup (time) |
49 | Lookup | RD lookup | — | Historical data |
50 | Auxiliary | Ratio of depreciation | — | RD lookup (time) |
51 | Auxiliary | Renovation area of existing houses | Million m2 | Area of houses builtratio of depreciation |
52 | Lookup | RDW lookup | m3/m2 | Historical data--lookup |
53 | Auxiliary | Ratio of demolition waste | m3/m2 | RDW lookup (time) |
54 | Auxiliary | C&D waste generation rate | Million m3 | (Rate of housing constructionratio of construction waste) + (ratio of demolition wasterenovation area of existing houses) |
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