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<p>Interbasin water diversion projects serve as crucial means to alleviate regional water shortages while ensuring sustainable socioeconomic development. These projects significantly alter carbon sink benefits in water-receiving ecosystems. Consequently, scientifically establishing carbon ecological compensation standards becomes essential for achieving regional ecosystem sustainability. This study focuses on Jinan, the primary receiving area of the East Route of the South-to-North Water Diversion Project (ER-SNWDP) in China. The results revealed the following: (1) A regional energy system diagram was developed within the context of the ER-SNWDP. The 2020 Emdollar ratio of Jinan was calculated as 8.57 × 10¹¹ sej/$. Using emergy theory, we estimated the carbon stock emergy value of the ER-SNWDP in Jinan to be 17.4&#xa0;million RMB ($ 2.52&#xa0;million). (2) Using the CA-Markov and InVEST models, we simulate and calculate carbon stock changes under both natural growth and water transfer scenarios in Jinan. By integrating the carbon sequestration value with inflation and market discount rates, the ER-SNWDP-derived carbon stock value in Jinan was quantified at 104&#xa0;million RMB ($ 15.11&#xa0;million). (3) Thus, the proposed carbon ecological compensation standard for the ER-SNWDP in Jinan ranges from 17.4&#xa0;million to 104&#xa0;million RMB ($ 2.52&#xa0;million to $15.11&#xa0;million). Research on carbon ecological compensation for water-receiving areas is helpful for promoting diversified ecological compensation, as well as the coordinated and sustainable development of the ecological economy in water-source and water-receiving areas.</p>

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Quantifying Carbon Ecological Compensation Standards for Water-Receiving Areas in Interbasin Transfers

  • 期刊论文

  • 发表日期：

    2026年1月19日

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  • Zhuoyue Peng,
  • Yaming Liu,
  • Mengting Li,
  • Hongyuan Fang,
  • Junxian Yin

摘要

Interbasin water diversion projects serve as crucial means to alleviate regional water shortages while ensuring sustainable socioeconomic development. These projects significantly alter carbon sink benefits in water-receiving ecosystems. Consequently, scientifically establishing carbon ecological compensation standards becomes essential for achieving regional ecosystem sustainability. This study focuses on Jinan, the primary receiving area of the East Route of the South-to-North Water Diversion Project (ER-SNWDP) in China. The results revealed the following: (1) A regional energy system diagram was developed within the context of the ER-SNWDP. The 2020 Emdollar ratio of Jinan was calculated as 8.57 × 10¹¹ sej/$. Using emergy theory, we estimated the carbon stock emergy value of the ER-SNWDP in Jinan to be 17.4 million RMB ($ 2.52 million). (2) Using the CA-Markov and InVEST models, we simulate and calculate carbon stock changes under both natural growth and water transfer scenarios in Jinan. By integrating the carbon sequestration value with inflation and market discount rates, the ER-SNWDP-derived carbon stock value in Jinan was quantified at 104 million RMB ($ 15.11 million). (3) Thus, the proposed carbon ecological compensation standard for the ER-SNWDP in Jinan ranges from 17.4 million to 104 million RMB ($ 2.52 million to $15.11 million). Research on carbon ecological compensation for water-receiving areas is helpful for promoting diversified ecological compensation, as well as the coordinated and sustainable development of the ecological economy in water-source and water-receiving areas.