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基于InVEST模型的贵州省节水的空间和时间变化评估
Ning Niu1,2, Jihui Fan3, Ziyan Yang1,2
1Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610299, China.
Scientific reports
|July 1, 2025
概括
贵州 贵州 是一个
科学领域:
- 水文学 水文学
- 环境科学 环境科学
- 地质科学是地球科学.
背景情况:
- 贵州省是一个卡斯特地区,面临着大量降雨和水资源保护不良 (WC) 的挑战.
- 了解长期的WC动态对于区域水资源管理至关重要.
研究的目的:
- 从1983年到2022年,量化贵州省的长期WC动态.
- 分析WC的时空趋势和驱动机制.
- 为贵州的卫浴战略提供科学支持.
主要方法:
- 采用InVEST水产率模型来量化WC.
- 利用曼-肯德尔测试和森的斜率估计器进行时空趋势分析.
- 研究了气候和土地使用驱动因素对WC的影响.
主要成果:
- 年平均水产 (WY) 为547.62毫米,WC为364.70毫米.
- 卫生间的分布在东部很高,在西北部很低.
- 由于气候和土地利用 (森林/草原),WC在西部下降,在东部增加 (1983-2022年).
结论:
- 高WC地区需要自然保护;低WC地区需要人工恢复,特别是那些有下降趋势的地区.
- 森林土地和草原是WC能力的关键.
- 澄清了WC的演变和驱动因素,为贵州的可持续水资源管理提供了信息.
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