植被中碳捕获的动态受到大规模地表煤矿开采和随后的恢复影响
Yaling Xu1, Jun Li2,3, Chengye Zhang1,4
1College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing, 100083, China.
Scientific reports
|June 12, 2024
概括
地表煤矿开采显著减少了植被碳捕获 (VCS). 生态恢复工作部分恢复了VCS,但仍然存在巨大的赤字,突显了需要全面补偿战略的需要.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 碳循环研究 碳循环研究
背景情况:
- 地表煤的开发影响了区域的碳汇.
- 在煤矿开采和恢复过程中量化植被碳捕获 (VCS) 动态具有挑战性.
- 现有的数据限制阻碍了对VCS影响的准确评估.
研究的目的:
- 开发一种新的方法来评估受地表煤矿开采和恢复影响的VCS动态.
- 通过尺度转换克服细度和长时间序列数据的局限性.
- 量化2001年至2022年间采矿和恢复对VCS的影响.
主要方法:
- 规模转换以克服数据限制.
- 对植被碳捕获的长时间序列数据的分析.
- 采矿和恢复活动对VCS的直接影响的量化.
主要成果:
- 采矿活动使VCS减少了384.63 Gg CO2.
- 在2001年至2022年期间,恢复活动使VCS的二氧化碳排放量增加了192.51 Gg.
- 截至2022年,采矿区在VCS中仍然存在196.7亿克二氧化碳的赤字.
结论:
- 完整的生态恢复需要对即时损失和整个采矿生命周期累积损失进行补偿.
- 该研究提供了更深入的洞察力,了解煤炭开发与生态保护之间的关系.
- 一种新的规模转换方法使VCS影响评估能够准确.
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