Investigating the impact of land use management on terrestrial carbon emissions in Nanjing city: past trajectories and multi-scenario simulation prediction

Land-use change is an important factor influencing global climate change and the carbon cycle, and changes in land-use patterns can have a direct impact on global carbon emissions. Therefore, exploring the potential of land use structure optimization and land use management on carbon emission reduction is of great significance in addressing global climate change and achieving carbon emission reduction targets. This paper calculates and analyses the net carbon emissions and evolution characteristics of Nanjing based on the four periods of land use change data in 2010, 2015, 2018 and 2020 using the IPCC carbon emission coefficient method. Then integrates the carbon emissions from land use, land economic and ecological benefits, and establishes a land use structure optimization model under the low-carbon orientation. Finally, the spatial distribution of land use in Nanjing under different scenarios in 2030 is simulated based on the FLUS model.