Articles | Volume 14, issue 4
Earth Syst. Sci. Data, 14, 2109–2127, 2022
https://doi.org/10.5194/essd-14-2109-2022
Earth Syst. Sci. Data, 14, 2109–2127, 2022
https://doi.org/10.5194/essd-14-2109-2022
Data description paper
02 May 2022
Data description paper | 02 May 2022

Development of East Asia Regional Reanalysis based on advanced hybrid gain data assimilation method and evaluation with E3DVAR, ERA-5, and ERA-Interim reanalysis

Eun-Gyeong Yang et al.

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Short summary
The East Asia Regional Reanalysis (EARR) system is developed based on the advanced hybrid gain data assimilation method (AdvHG) using the Weather Research and Forecasting (WRF) model and conventional observations. Based on EARR, high-resolution regional reanalysis and reforecast fields are produced with 12 km horizontal resolution over East Asia for the period 2010–2019. Compared to ERA5, EARR represents precipitation better for January and July 2017 over East Asia.