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Spatiotemporal characteristics and influencing factors of carbon emissions from land-use change in Shaanxi Province, China

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Abstract

Due to global warming, there evolves a global consensus and urgent need on carbon emission mitigations, especially in developing countries. We investigated the spatiotemporal characteristics of carbon emissions induced by land use change in Shaanxi at the city level, from 2000 to 2020, by combining direct and indirect emission calculation methods with correction coefficients. In addition, we evaluated the impact of 10 different factors through the geodetector model and their spatial heterogeneity with the geographic weighted regression (GWR) model. Our results showed that the carbon emissions and carbon intensity of Shaanxi had increased overall in the study period but with a decreased growth rate during each 5-year period: 2000–2005, 2005–2010, 2010–2015, and 2015–2020. In terms of carbon emissions, the conversion of croplands into built-up land contributed the most. The spatial distribution of carbon emissions in Shaanxi was ranked as follows: Central Shaanxi > Northern Shaanxi > Southern Shaanxi. Local spatial agglomeration was reflected in the cold spots around Xi’an, and hot spots around Yulin. With respect to the principal driving factors, the gross domestic product (GDP) was the dominant factor affecting most of the carbon emissions induced by land cover and land use change in Shaanxi, and socioeconomic factors generally had a greater influence than natural factors. Socioeconomic variables also showed evident spatial heterogeneity in carbon emissions. The results of this study may aid in the formulation of land use policy that is based on reducing carbon emissions in developing areas of China, as well as contribute to transitioning into a “low-carbon” economy.

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Acknowledgements

Deep thanks are given to the reviewers and editors for their valuable comments.

Funding

This work was supported by the Third Xinjiang Scientific Expedition Program (Grant No. 2022xjkk0107), National Key R&D Program of China (2018YFE0103800), China Scholarship Council (Grant No. Liujinmei [2022] No. 45; Liujinxuan [2022] No. 133; Liujinou [2023] No. 22), International Education Research Program of Chang’an University (300108221102), General Project of Shaanxi Provincial Key R&D Program—Social Development Field (2021SF-454), China National Social Science Fund Project (20XKS006), Project of Ningxia Natural Science Foundation (2022AAC03700), and 2022 Guangdong University Youth Innovation Talent Program (2022KQNCX143). Those fundings are not involved in designing and drafting of the study.

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All authors contributed to the conception design of the study. Wei Fang: writing original draft, visualization, and software. Pingping Luo: conceptualization and methodology. Lintao Luo: reviewing and editing. Xianbao Zha: data curation and software. Daniel Nover: editing and supervision.

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Correspondence to Pingping Luo.

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Responsible Editor: V.V.S.S. Sarma

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Fang, W., Luo, P., Luo, L. et al. Spatiotemporal characteristics and influencing factors of carbon emissions from land-use change in Shaanxi Province, China. Environ Sci Pollut Res 30, 123480–123496 (2023). https://doi.org/10.1007/s11356-023-30606-5

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  • DOI: https://doi.org/10.1007/s11356-023-30606-5

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