Articles | Volume 14, issue 8
https://doi.org/10.5194/amt-14-5735-2021
https://doi.org/10.5194/amt-14-5735-2021
Research article
 | 
20 Aug 2021
Research article |  | 20 Aug 2021

Interpreting estimated observation error statistics of weather radar measurements using the ICON-LAM-KENDA system

Yuefei Zeng, Tijana Janjic, Yuxuan Feng, Ulrich Blahak, Alberto de Lozar, Elisabeth Bauernschubert, Klaus Stephan, and Jinzhong Min

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Latest update: 23 Nov 2024
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Short summary
Observation errors (OEs) of radar measurements are correlated. The Desroziers method has been often used to estimate statistics of OE in data assimilation. However, the resulting statistics consist of contributions from different sources and are difficult to interpret. Here, we use an approach based on samples for truncation error to approximate the representation error due to unresolved scales and processes (RE) and compare its statistics with OE statistics estimated by the Desroziers method.