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热带低地森林砍伐对附近山地云林的气候影响
R O Lawton1, U S Nair, R A Pielke
1Department of Biological Sciences, University of Alabama in Huntsville, Huntsville, AL 35899, USA. lawtonr@email.uah.edu
概括
热带低地森林砍伐破坏了对于山地云林至关重要的云模式. 由于土地使用的变化,降低了云层覆盖和更高的云层基础威胁着这些敏感的山区生态系统.
科学领域:
- 生态生态学 生态生态学
- 大气科学 大气科学
- 环境科学 环境科学
背景情况:
- 热带山地云林 (TMCFs) 依赖于持续的云沉浸.
- 风向上的森林砍伐对当地能源预算和云层形成产生影响.
研究的目的:
- 为了研究低地森林砍伐如何影响干旱季的云田.
- 了解热带山地云林环境的后果.
主要方法:
- 陆地卫星和地球静止运营环境卫星图像的分析.
- 区域大气模拟用于模拟云基高度.
主要成果:
- 与森林地区相比,森林砍伐的低地地区在干旱季节的云层覆盖率较低.
- 模拟表明,在干旱条件下,牧场上的云基比森林的云基更高.
结论:
- 低地土地使用显著改变了影响邻近TMCFs的大气条件.
- 森林砍伐对热带山地云林生态系统的持续存在构成严重威胁.
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