'Atmosphere–ocean–marine ecosystem' synthesized simulation using a global coupled data assimilation system

摘要

We have composed "atmosphere–ocean–marine ecosystem" synthesized data assimilation (DA) system, which is based on a 4D-VAR atmosphere-ocean coupled DA system and a simple marine ecosystem model. Using this DA system with the latest various observational data and some climatological biogeochemical data, we have conducted a series of assimilation and forecast experiments in 2010s adopting the assimilation period of 3-months, and have produced a series of 3-month analysis and 3-year ensemble forecast dataset from 2010 to 2014. These are "atmosphere–ocean–marine ecosystem" synthesized dataset, which would be unique in the world. We have confirmed some good reproducibility and predictability of the dataset focusing on low–mid latitude North Pacific Ocean.