可解释的机器学习显示气候变暖增加了湖泊和水库中藻类繁殖的风险
Yiming Ma1, Jingfu Wang2, Shouliang Huo3
1State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China; University of Chinese Academy of Sciences, Beijing, China.
Water research
|September 3, 2025
概括
气候变暖大大延长了中国的藻类繁殖危险期
科学领域:
- 环境科学
- 气候科学
- 石化技术
背景情况:
- 中国正在实施营养减少策略,以控制湖泊和水库中的藻类繁殖.
- 气候变化影响这些营养控制措施的有效性.
- 区分气候变化的影响与营养物质对AB的影响至关重要,但具有挑战性.
研究的目的:
- 调查2003年至2020年中国海藻繁殖危险期的趋势和控制因素.
- 区分气候变暖与营养污染 (和) 对ABRPs的贡献.
- 为了比较湖泊和水库之间的ABRP动态.
主要方法:
- 使用神经网络模型与AB开始和结束时间相结合.
- 对中国各地的湖泊和水库的2003年至2020年的分析数据.
- 量化了空气温度,和对ABRP的影响.
主要成果:
- 20年来,湖泊的ABRP增加了42天 (11.5%),水库的ABRP增加了54天 (14.8%).
- 空气温度是延长ABRP的重要因素 (11%) 比 (5.3%) 或 (3.5%).
- 由于温度门较低和温度影响较高,水库ABRP的增长速度比湖泊ABRP更快.
结论:
- 气候变暖,特别是空气温度,是中国L&R中ABRPs延长的主要驱动因素.
- 温度对ABRPs的贡献可能超过63%,预计随着全球变暖而增加.
- 调查结果强调需要将气候变化考虑纳入L&R的AB管理策略.
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