期刊
WATER
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/w10111688
关键词
TRMM (TMPA) dataset; real-time satellite retrievals; extreme precipitation; extreme precipitation events (EPEs); Iberian Peninsula; ERA5
资金
- project eCSAAP [CMU/CS/0012/2017]
- Instituto Dom Luiz (IDL) - Fundacao para a Ciencia e a Tecnologia, Portugal (FCT) [UID/GEO/50019/2013]
- FCT doctoral grant [PD/BD/114479/2016]
- FCT postdoctoral grant [FCT/DFRH/SFRH/BPD/84328/2012]
- Portugal Horizon2020
An assessment of daily accumulated precipitation during extreme precipitation events (EPEs) occurring over the period 2000-2008 in the Iberian Peninsula (IP) is presented. Different sources for precipitation data, namely ERA-Interim and ERA5 reanalysis by the European Centre for Medium-Range Weather Forecast (ECMWF) and Tropical Rainfall Measuring Mission (TRMM) Multisatellite Precipitation Analysis (TMPA), both in near-real-time and post-real-time releases, are compared with the best ground-based high-resolution (0.2 degrees x 0.2 degrees) gridded precipitation dataset available for the IP (IB02). In this study, accuracy metrics are analysed for different quartiles of daily precipitation amounts, and additional insights are provided for a subset of EPEs extracted from an objective ranking of extreme precipitation during the extended winter period (October to March) over the IP. Results show that both reanalysis and multi-satellite datasets overestimate (underestimate) daily precipitation sums for the least (most) extreme events over the IP. In addition, it is shown that the TRMM TMPA precipitation estimates from the near-real-time product may be considered for EPEs assessment over these latitudes. Finally, it is found that the new ERA5 reanalysis accounts for large improvements over ERA-Interim and it also outperforms the satellite-based datasets.
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