Table 2 Standard classification table of impact factors.
No. | Specific indicators | Influencing factors | Zones | Impact orientation |
|---|---|---|---|---|
1 | Distance to cold logistics parks (km) | > 40 | Optimal zone | 5 |
30–40 | Suitable zone | 4 | ||
20–30 | Moderate zone | 3 | ||
10–20 | Less suitable zone | 2 | ||
0–10 | Unsuitable zone | 1 | ||
2 | Foreign direct investment (10,000 USD) | 77,493–122,482 | Optimal zone | 5 |
56,821–77,493 | Suitable zone | 4 | ||
56,515–56,821 | Moderate zone | 3 | ||
55,011–56,515 | Less suitable zone | 2 | ||
55,011 | Unsuitable zone | 1 | ||
3 | Land cost (10,000 RMB per square meter) | 0.196767 | Optimal zone | 5 |
0.196768–0.522697 | Suitable zone | 4 | ||
0.522698–0.545214 | Moderate zone | 3 | ||
0.545215–1.169336 | Less suitable zone | 2 | ||
1.169337–1.847049 | Unsuitable zone | 1 | ||
4 | Distance to production sites (km) | 0–2 | Optimal zone | 5 |
2–4 | Suitable zone | 4 | ||
4–10 | Moderate zone | 3 | ||
10–20 | Less suitable zone | 2 | ||
> 20 | Unsuitable zone | 1 | ||
5 | Distance to markets (km) | 0–2 | Optimal zone | 5 |
2–4 | Suitable zone | 4 | ||
4–10 | Moderate zone | 3 | ||
10–20 | Less suitable zone | 2 | ||
> 20 | Unsuitable zone | 1 | ||
6 | Per capita GDP (RMB) | 225,856–292,423 | Optimal zone | 5 |
200,383–225,856 | Suitable zone | 4 | ||
158,894–200,383 | Moderate zone | 3 | ||
118,185–158,894 | Less suitable zone | 2 | ||
95,725–118,185 | Unsuitable zone | 1 | ||
7 | Freight volume (10,000 tons) | 3073–5247 | Optimal zone | 5 |
2573–3073 | Suitable zone | 4 | ||
2063–2573 | Moderate zone | 3 | ||
1499–2063 | Less suitable zone | 2 | ||
1499 | Unsuitable zone | 1 | ||
8 | Distance to highways and railways (km) | 0–1 | Optimal zone | 5 |
1–2 | Suitable zone | 4 | ||
2–3 | Moderate zone | 3 | ||
3–5 | Less suitable zone | 2 | ||
> 5 | Unsuitable zone | 1 | ||
9 | Distance to waterways (km) | 0–1 | Optimal zone | 5 |
1–2 | Suitable zone | 4 | ||
2–3 | Moderate zone | 3 | ||
3–5 | Less suitable zone | 2 | ||
> 5 | Unsuitable zone | 1 | ||
10 | Water supply capacity (10,000 cubic meters) | 16,664–20,998 | Optimal zone | 5 |
10,902–16,664 | Suitable zone | 4 | ||
5127–10,902 | Moderate zone | 3 | ||
5062–5127 | Less suitable zone | 2 | ||
5062 | Unsuitable zone | 1 | ||
11 | Electricity supply capacity (10,000 kilowatt-hours) | 27,971–52,703 | Optimal zone | 5 |
16,262–27,970 | Suitable zone | 4 | ||
15,796–16,261 | Moderate zone | 3 | ||
11,812–15,795 | Less suitable zone | 2 | ||
11,811 | Unsuitable zone | 1 | ||
12 | Natural gas supply capacity (10,000 cubic meters) | 76,081–106,746 | Optimal zone | 5 |
57,703–76,081 | Suitable zone | 4 | ||
45,614–57,703 | Moderate zone | 3 | ||
19,410–45,614 | Less suitable zone | 2 | ||
19,410 | Unsuitable zone | 1 | ||
13 | Policy support level | 5 | Optimal zone | 5 |
4 | Suitable zone | 4 | ||
3 | Moderate zone | 3 | ||
2 | Less suitable zone | 2 | ||
1 | Unsuitable zone | 1 | ||
14 | Distance from residential zones (km) | > 3 | Optimal zone | 5 |
2–3 | Suitable zone | 4 | ||
1–2 | Moderate zone | 3 | ||
0.5-1 | Less suitable zone | 2 | ||
0-0.5 | Unsuitable zone | 1 | ||
15 | Elevation (m) | 0–11 | Optimal zone | 5 |
11–38 | Suitable zone | 4 | ||
38–93 | Moderate zone | 3 | ||
93–166 | Less suitable zone | 2 | ||
166–349 | Unsuitable zone | 1 | ||
016 | Slope (°) | 0–2 | Optimal zone | 5 |
2–6 | Suitable zone | 4 | ||
6–15 | Moderate zone | 3 | ||
15–25 | Less suitable zone | 2 | ||
> 25 | Unsuitable zone | 1 |
