对于SDG11的地形敏感碳管理:在气候和城市化压力下对山区城市进行空间明确的评估
Mengxian Wang1, Qi Liang1, Yue Wang1
1School of Civil Engineering and Surveying and Mapping, Southwest Petroleum University, Chengdu, Sichuan 610500,China.
The Science of the total environment
|August 14, 2025
概括
山地城市 (MCS) 根据地形显示出不同的碳储量. 的斜坡保留碳,而在温和的斜坡上的城市扩张造成损失,需要针对性城市规划以应对气候变化.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 生态生态学 生态生态学
背景情况:
- 山地城市 (MCS) 由于复杂的地形,在碳库存管理方面面临着独特的挑战.
- 土地利用变化对碳储存产生重大影响,特别是在城市化山区.
研究的目的:
- 评估2000年至2040年期间MCS碳库存的空间和时间演变.
- 调查地形梯度和土地利用变化对碳储存的驱动影响.
- 为MCS提供地形敏感的碳管理策略.
主要方法:
- 开发一个空间显式评估框架.
- 对土地使用变化的分析和"地形 - 碳储存"指数.
- 场景模拟包括政策干预 (如生态红线) 和地形约束.
主要成果:
- 在MCS中观察到碳库存的显著地形驱动的异质性.
- 在政策保护下,坡 (>25°) 保留了超过50%的基线碳.
- 温和的斜坡 (<15°) 由于城市扩张而经历每年1.4%的碳损失,突出了对3D绿色基础设施的需求.
结论:
- 政策干预和地形约束对碳储存产生协同效应.
- 生态红线保护坡,但中坡区域由于控制较弱而成为碳损失热点.
- 基于梯度的区域划分至关重要:优先考虑坡的保护,动态地管理过渡区,并促进低地地区的紧绿色发展,以实现可持续的,低碳的城市弹性.
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