| Full name | Abbreviation |
| Coupling relationship between urban land and carbon emissions | CE |
| The northeastern region of Chongqing | NE |
| The southeast region of Chongqing | SE |
| The urban functional development region | UD |
| The metropolitan region of Chongqing | UC |
| The shift distance between urban land and total carbon emissions | UL–TC |
| The shift distance between urban land and carbon emission intensity | UL–CI |
| Spatiotemporal coupling relationship between urban land and carbon emissions | SC |
| Spatiotemporal coupling degree of urban land and total carbon emissions | ST |
| Spatiotemporal coupling degree of urban land and carbon emissions intensity | SI |
| Coupling coordination between urban land and carbon emissions | CC |
| Coupling coordination between urban land and total carbon emissions | OT |
| Coupling coordination between urban land and carbon emission intensity | OI |