由于气候变化和人为水位调节而导致的浅层多态湖夏季分层的长期变化
Sebestyén Dániel Török1, Péter Torma2
1National Laboratory for Water Science and Water Security, Budapest University of Technology and Economics, Faculty of Civil Engineering, Department of Hydraulic and Water Resources Engineering, Budapest, Muegyetem rkp. 3, 1111, Hungary; Budapest University of Technology and Economics, Faculty of Civil Engineering, Department of Hydraulic and Water Resources Engineering, Budapest, Hungary.
The Science of the total environment
|November 30, 2025
概括
气候变化和水位变化加剧浅湖层分化,特别是水位较高时. 这些因素也改变了热流,增加了蒸发,降低了波恩比率.
科学领域:
- 环境科学 环境科学
- 临界技术 临界技术
- 气候科学 气候科学
背景情况:
- 浅湖很容易受到气候变化的影响,但在研究中代表性不足.
- 了解日间热分层是评估气候变化对湖泊生态系统影响的关键.
研究的目的:
- 调查气候变化和水位调节对浅层多重性湖泊温度动态的长期影响.
- 量化对日间热分层和热流的影响.
主要方法:
- 采用了一个完全基于物理的单维模型.
- 该模型使用现场测量进行了校准和验证.
- 模拟涵盖了巴拉顿湖40年的夏季季节.
主要成果:
- 气候变化和水位调节显著影响浅湖的温度动态.
- 水位上升和气候变化的协同效应加剧了分层.
- 分层驱动器显示时间变化 (短波辐射,水深).
- 混合层深度每天和几十年都保持稳定.
- 气候变化增加了蒸发,降低了博恩比率.
结论:
- 水平管理和气候变化缓解对浅湖生态系统至关重要.
- 浅湖的热力学是复杂的,受到多种因素的影响.
- 长期建模对于预测未来气候变化下的湖泊行为至关重要.
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