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Updated: Jun 29, 2025

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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在未来的气候条件下,河流对森林扩张在典型的低湿流域的流量反应
Jia Yang1, Abigail Winrich1, Tian Zhang1
1Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK, 74078, USA.
Journal of environmental management
|April 3, 2024
概括
低湿地区的森林扩张大大减少了溪流流量,威胁到像雷鸟湖这样的水资源. 这凸显了需要谨慎地管理土地,以确保气候变化下的水资源可持续性.
科学领域:
- 水文学的水文学
- 气候科学 气候科学
- 生态生态学 生态生态学
背景情况:
- 低湿地区面临着因干旱而加剧的水资源短缺,影响生态系统和经济.
- 由于植树和木质植物侵占 (WPE) 的森林覆盖面的增加改变了水文过程.
研究的目的:
- 在未来气候变化下,评估森林扩张对低湿流域水资源的影响.
- 在考虑气候和土地覆盖场景的情况下,在小河流域 (LRW) 预测溪流流动力学.
主要方法:
- 使用SWAT+模拟来建模流动.
- 根据两个气候场景 (RCP4.5和RCP8.5) 和11个森林扩张场景评估了影响.
- 专注于美国的小河流域 (LRW).
主要成果:
- 未来的气候变化 (2080-2099) 预计将增加流量5.1% (RCP4.5),但减少30.1% (RCP8.5).
- 森林覆盖面的增加显示了溪流的线性下降,如果所有草原都转化为森林,则可能减少41%.
- 雷鸟湖的水流量每年可能下降到2011/2012年干旱水平以下8.6-9.4年,如果完全从草原转化为森林.
结论:
- 森林的扩张大大减少了亚湿地区的水资源供应.
- 调查结果强调,需要对灌木/再造林和WPE管理进行综合政策,以确保水资源的可持续性.
- 该研究为应对气候变化和土地覆盖面的变化管理水资源提供了关键的见解.
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