JOURNAL OF NATURAL RESOURCES >
Land development and utilization for carbon neutralization
Received date: 2021-02-08
Revised date: 2021-06-04
Online published: 2022-02-28
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This study explores the possibility of carbon neutralization in China before 2060, based on the predicated carbon emissions from human activities and the carbon sinks produced by the territory ecosystem. The results show that the total anthropogenic carbon emissions in China is 0.86 Pg C yr -1 in 2060, and the ecosystem would neutralize 33% and 38% of the anthropogenic CO2 emissions in 2060 under the scenarios of IPCC RCP 2.6 and RCP 6.0. In 2060, woodland, grassland and cultivated land will be the main contributors of carbon sink, accounting for 93% of the total carbon sink. Compared with the year 2030, the contribution of carbon sink from woodland and grassland will decrease by 10% and 8%, respectively under RCP 2.6 scenario, while the contribution from cultivated land will increase by 18%; the contribution of carbon sink from woodland and grassland will decrease by 7% and 2%, respectively under RCP 6.0 scenario, while the contribution from cultivated land will increase by 4%. However, based on the highest carbon sink (2055) during 2051-2060, 65% and 82% of anthropogenic carbon emissions would be neutralized respectively. Therefore, to achieve carbon neutrality in 2060, the varieties of the bearing capacities of carbon budgets from different land use types should be fully considered in the territory planning.
HUANG Xian-jin , ZHANG Xiu-ying , LU Xue-he , WANG Pei-yu , QIN Jia-yao , JIANG Yun-chen , LIU Ze-miao , WANG Zhen , ZHU A-xing . Land development and utilization for carbon neutralization[J]. JOURNAL OF NATURAL RESOURCES, 2021 , 36(12) : 2995 -3006 . DOI: 10.31497/zrzyxb.20211201
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