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应用RiTiCE来理解对Tornionjoki河冰破裂模式的水文气象控制
Abolfazl Jalali Shahrood1, Amirhossein Ahrari2, Niina Karjalainen3
1Water, Energy and Environmental Engineering Research Unit, University of Oulu, Pentti Kaiteran katu 1, P.O. Box 8000, 90570, Oulu, Finland. Abolfazl.jalalishahrood@oulu.fi.
Environmental monitoring and assessment
|July 27, 2024
概括
北极河冰的破裂显示了显著的度变化. 较早的冰崩发生在Tornionjoki河的较低度,影响水文和生态系统.
科学领域:
- 水文学的水文学
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
背景情况:
- 北极地区面临着每年突出的水文事件,特别是春季洪水和河流冰层破裂.
- 河冰的解体会产生重大的社会经济和生态影响,包括河流形态变化和基础设施损坏.
研究的目的:
- 在Tornionjoki河上调查河冰破裂的时空模式.
- 分析盆地内不同度的冰块分解的时间.
主要方法:
- 利用观测数据来追踪冰的模式.
- 采用遥感技术来监测随时间变化的变化.
- 根据度位置分析了冰的分解时间.
主要成果:
- 托尼奥诺乔基河上的河冰破裂通常发生在4月至6月之间.
- 在整个盆地中观察到冰的分解时间的显著空间变化.
- 与较高度站 (215-228天) 相比,较低度站的冰块分解时间较早 (200-205天).
结论:
- 托尔尼奥诺乔基河流域的冰块分解时间受到度的强烈影响.
- 了解这些度模式对于管理北极河流系统和减轻与冰层破裂相关的风险至关重要.
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