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Wang et al. Carbon Footprints 2024;3:14 https://dx.doi.org/10.20517/cf.2024.19 Page 5 of 19
Table 1. CO emission source classification and the proxy data for spatial allocation
2
CO emission source
2
Category Type Emission type Proxy data
Industry Industrial energy Point sources Latitude and longitude coordinates of emitting enterprise and service POI,
enterprise size, etc.
Industrial processing
Service -
Residential - Non-point Population distribution data
sources
Agriculture - Land cover data
Transportation Road transportion Traffic network and rated traffic volume at all road levels
Waterborne Water distribution and ship routes
transportion
Figure 1. Geographical location of Chengdu city as a study area in China.
Figure 2. Correspondence between emission sectors and proxy data.
