Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison between simulation results and actual results of land use in Shijiazhuang in 2020
| Plowland | Forestland | Grassland | Water area | Construction land | Unused land | |
|---|---|---|---|---|---|---|
| Actual area in 2020 | 7333.30 | 2623.45 | 1193.14 | 118.25 | 2789.24 | 1.11 |
| Simulation area in 2020 | 7325.13 | 2621.92 | 1200.46 | 120.97 | 2789.01 | 1.00 |
| Error area | − 8.17 | − 1.54 | 7.33 | 2.72 | − 0.23 | − 0.11 |
| Error percentage | − 0.11% | − 0.06% | 0.61% | 2.25% | − 0.01% | − 10.91% |
| Kappa | 0.96 | |||||
