Sci. Adv.2026Article

森林流失加剧了地球上一半以上气候区的气象干旱

Forest loss intensifies meteorological drought in more than half of Earth’s climate zones

Xintao Li · Taixia Wu · Ke Xia · Hongzhao Tang · Xuege Wang · Shudong Wang · Vincent Lyne · Ying Zu

1. 信息

DOI10.1126/sciadv.adv7998

期刊Science Advances / Sci. Adv.

类型Article

发表2026-01-09

卷期页12(2): eadv7998

收录2026-10-03

被浏览…

关键词forest loss meteorological drought surface energy balance latent heat flux surface albedo convective precipitation boreal forest tropical forests climate zones drought mitigation

标签—

2. 摘要

全球森林流失通过改变地表能源平衡，增加了气象干旱的风险。虽然已知局部对温度和降水的影响，但其对气象干旱影响的范围和潜在机制尚不明确。我们分析了北针林、温带和热带地区的3696个成对森林丧失和完整地点。森林流失加剧了超过52%受影响地区的气象干旱。北方地区20年间干旱流行率上升了5%，是热带地区的三倍，原因是潜热通量减少和地表反照率增加，这两者共同抑制了对流降雨。相比之下，热带森林展现出更高的生态韧性，减轻了约40%的气象干旱加剧。值得注意的是，森林损失引起的气象干旱可能进一步演变成更严重的农业和水文干旱。因此，我们建议针对每个气候区实施针对性制定的策略，包括原生森林保护、主动生态恢复和提升连通性，以有效降低干旱风险。

原文摘要（English）

Global forest loss increases the risk of meteorological drought by altering surface energy balances. While local impacts on temperature and precipitation are known, the extent and underlying mechanisms of its influence on meteorological drought remain unclear. Here, we analyzed 3696 paired forest loss and intact sites across boreal, temperate, and tropical zones. Forest loss intensified meteorological drought in more than 52% of affected regions. Drought prevalence in boreal zones rose by 5% over 20 years—three times greater than in tropical zones—because of reduced latent heat flux and increased surface albedo, which together suppressed convective rainfall. In contrast, tropical forests demonstrated greater ecological resilience, mitigating ~40% of meteorological drought intensification. Notably, forest loss–induced meteorological drought may further evolve into more severe agricultural and hydrological droughts. Therefore, we recommend implementing strategies tailored for each climate zone, including native forest conservation, proactive ecological restoration, and connectivity enhancement, to effectively reduce drought risk.

3. 图表

4. 引用

Li X, Wu T, Xia K, et al. Forest loss intensifies meteorological drought in more than half of Earth’s climate zones[J]. Science Advances, 2026, 12(2): eadv7998. DOI: 10.1126/sciadv.adv7998.

查看 BibTeX

@article{li2026,
  author = {Xintao Li and Taixia Wu and Ke Xia and Hongzhao Tang and Xuege Wang and Shudong Wang and Vincent Lyne and Ying Zu},
  title = {Forest loss intensifies meteorological drought in more than half of Earth’s climate zones},
  journal = {Science Advances},
  year = {2026},
  volume = {12},
  number = {2},
  pages = {eadv7998},
  doi = {10.1126/sciadv.adv7998},
  publisher = {American Association for the Advancement of Science (AAAS)},
}

· END ·