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关于中国植物二氧化碳吸收能力的定量评估,2000-2020年

Guoxin Lan^1,2, Zhuangzhuang Hou^1,2, Yan Wu^3,4

¹Chongqing Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir,Chongqing , Three Gorges University, Chongqing, 404100, People's Republic of China.

Environmental science and pollution research international

|July 2, 2025

概括

中国中国中国中国.

科学领域:

环境科学环境科学
生态生态学生态生态学
气候变化研究气候变化研究

背景情况:

二氧化碳 (CO2) 是主要的温室气体,推动气候变化并威胁生态系统.
现有的研究往往忽视了植物的二氧化碳吸收量,更多地关注排放和封存.
了解植被在碳吸收中的作用对于减缓气候变化战略至关重要.

研究的目的:

开发和应用碳吸收指数 (CUI) 模型来分析中国植物的二氧化碳吸收.
调查2000年至2020年中国碳吸收的空间和时间分布特征.
为中国的碳峰值和碳中和目标提供数据驱动的见解.

主要方法:

构建一个碳吸收指数 (CUI) 模型,整合碳估计和植被碳捕获 (VCs) 模型.
估计中国的碳吸收分布 (2000-2020年).
使用线性回归和使用空间自关联的空间聚合来分析跨年变化.

主要成果:

中国的整体碳吸收在2000年至2020年期间处于吸收状态,显示出显著的空间相关性.
碳吸收的跨年变化显示出总体下降趋势.
空间模式显示了聚合,中国西部的低低集群和中国南部的高高集群.

结论:

植被在中国的碳平衡中起着至关重要的作用,其空间和时间吸收模式不同.
CUI模型有效量化了植被碳吸收,为政策制定提供了有价值的数据.
调查结果支持有针对性的战略,以加强碳汇,以实现国家气候目标.

关键词:

碳排放估计估计的碳排放量碳吸收指数建模模型夜光数据数据夜光数据植被碳封存植被碳封存

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