纳入陆地水储的三维Budyko框架:解开水能动态,植被和海洋-大气相互作用
Qing He1, Hok Sum Fok2, Vagner Ferreira3
1MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF and School of Physics, Institute of Geophysics, Huazhong University of Science and Technology, Wuhan, China.
The Science of the total environment
|August 18, 2023
概括
本研究介绍了一个3D Budyko框架,使用陆地储水来分析印中半岛的水能动态. 它揭示了像丝之路模式这样的气候远程连接显著影响蒸发和水产.
科学领域:
- 水文学的水文学
- 气候学 气候学 气候学
- 遥感 遥感 遥感 遥感
背景情况:
- 布迪科框架传统上模拟水能动态,但忽视了更细微的尺度和气候远程连接.
- 扩展框架对于了解印度中半岛等脆弱地区的水气候变化至关重要.
研究的目的:
- 调查水气候,植被和气候之间的相互作用,以及印中半岛的气候远程连接.
- 开发和应用一个包含陆地储水的三维Budyko框架.
主要方法:
- 提出了一个三维Budyko框架,使用基于GRACE的陆地储水 (TWS) 与降水率 (SI/SCI) 的比率.
- 分析了季节性干燥指数 (DI) /蒸发指数 (EI) 和SI/SCI之间的关系.
- 利用相对重要性分析来确定影响气候的远程连接.
主要成果:
- 陆地储水对布迪科框架产生重大影响,特别是在干旱季节.
- 观察到DI/EI和SI/SCI之间明显的季节性线性关系.
- 确定了丝之路模式 (SRP) 作为最有影响力的远程连接,调节ET条件.
结论:
- 布迪科框架受景观特征和气候远程连接的影响,改善了参数估计.
- 3D Budyko框架提供了一种用于估计蒸发和地下水的新方法.
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