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中国城市聚合区净初级生产率的多尺度决定因素
Zhenyu Liu1, Xiaocong Xu2, Xiaoping Liu1
1School of Geography and Planning, Guangdong Key Laboratory for Urbanization and Geo-simulation, Sun Yat-sen University, Guangzhou, China.
Journal of environmental management
|March 11, 2026
概括
城市发展影响碳捕获. 虽然二氧化碳施肥提高了净初级生产率 (NPP),但土地使用变化显著改变了它,特别是在城市范围内,突出了绿色基础设施在减轻碳损失方面的作用.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 城市研究 城市研究
背景情况:
- 城市聚集地推动社会经济增长,但对生态系统造成压力.
- 量化城市化地区碳捕获的驱动因素至关重要.
研究的目的:
- 研究中国城市聚合区 (2000-2020) 净初级生产率 (NPP) 的时空动态.
- 将二氧化碳施肥,气候变化和土地使用/土地覆盖面变化 (LUCC) 对核电站动态的贡献解开.
主要方法:
- 利用集成生物圈模拟器 (IBIS) 模型进行基于过程的模拟.
- 进行基于场景的模拟以隔离驾驶员冲击.
- 在行政和城市边界尺度上分析了核电站的动态.
主要成果:
- 二氧化碳施肥持续增加了核电站,抵消了一些气候引起的下降.
- 对核电厂的LUCC影响是特定于区域的,导致森林复植的增长和城市化地区的损失.
- 在城市边界,人为的LUCC推动了超过70%的核电收益.
结论:
- 城市植被增强补偿了21%以上的碳损失来自不透气表面.
- 珍珠河三角洲显示了最强的碳补偿效应 (约1. 百分之四十二) 的比例.
- 整合城市绿色基础设施和多层次生态管理对于可持续的城市化和碳中和性至关重要.
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