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DOI | 10.1029/2020GL091698 |
Potential of mid‐tropospheric water vapor isotopes to improve large‐scale circulation and weather predictability | |
Kinya Toride; Kei Yoshimura; Masataka Tada; Christopher Diekmann; Benjamin Ertl; Farahnaz Khosrawi; Matthias Schneider | |
2021-02-19 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | Recent satellite techniques have uncovered detailed tropospheric water vapor isotope patterns on a daily basis, yet the significance of water isotopes on weather forecasting has remained largely unknown. Here we perform a proof‐of‐concept observing system simulation experiment to show that mid‐tropospheric water isotopes observed by the Infrared Atmospheric Sounding Interferometer (IASI) can substantially improve weather forecasts through non‐local impacts on the convective heating structure and large‐scale circulation. Assimilating IASI isotopes can improve wind, humidity, and temperature fields by more than 10% at mid‐troposphere compared to only assimilating conventional non‐isotopic observations. These improvements are about two‐thirds of assimilating simultaneous IASI water vapor observations. The improvements can be attributed more to thermodynamic (phase change) effects than dynamic (transport) effects of water isotopes. Furthermore, isotopic observations produce additional 3‐4% improvements to the fields constrained by the conventional observations and simultaneous IASI water vapor observations, demonstrating the unique characteristics of water isotopes. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/315605 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Kinya Toride,Kei Yoshimura,Masataka Tada,等. Potential of mid‐tropospheric water vapor isotopes to improve large‐scale circulation and weather predictability[J]. Geophysical Research Letters,2021. |
APA | Kinya Toride.,Kei Yoshimura.,Masataka Tada.,Christopher Diekmann.,Benjamin Ertl.,...&Matthias Schneider.(2021).Potential of mid‐tropospheric water vapor isotopes to improve large‐scale circulation and weather predictability.Geophysical Research Letters. |
MLA | Kinya Toride,et al."Potential of mid‐tropospheric water vapor isotopes to improve large‐scale circulation and weather predictability".Geophysical Research Letters (2021). |
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