全球海洋観測は、各種変数に関して自動観測の比重が大きくなりつつある。Argo計画もCore Argoから、Deep, BioGeoChemical, Polarの各ミッションを含むOneArgoの形に拡張され、他観測との最適な相補的関係を確立することが課題となっている。本セッションでは現在進行中のArgo関連プロジェクトを紹介しつつ、観測やモデルコミュニティーにおける各Argoミッションの成果を共有し、将来展開の議論を行う。
OceanObs’19にて提案されたOneArgoは、UN Decadeプロジェクトにも採択され、全球を効率的に多変量観測する方向で進んでいる。また、他観測、分野との連携強化のため、高精度船舶観測のGO-SHIP計画との相補的関係維持、SynObs等のデータ同化研究との連携など観測網の最適化も模索中である。一方、人的物的リソースの制限を考えると、日本として、各機関・研究者の強みを生かし、海洋科学・技術のユニークな発展をいかに指向するかを考える必要がある。OneArgoを例にとり、新たな連携や研究開発の将来展開について、若手研究者も交え、共通認識を形成したい。

Global ocean observations are gradually shifting to autonomous observations for various variables from traditional ones such as ship and mooring. The Argo program has been extended from Core Argo to Deep, BGC, and Polar Argo missions, challenging to establish complementary relationships with other observations and missions. The purpose of this session is to introduce the ongoing related research projects of OneArgo, and to discuss the various observation and modeling communities, sharing results of knowledge future developments from many ocean observations each Argo mission such as Core Argo to Deep, BGC, and Polar Argo.
OneArgo, which involves all Argo missions, has been proposed as new Argo design in OceanObs19, and adopted by the UN Decade project, is moving toward efficient multivariate observations of the entire global ocean. It strongly enhances the mission to collaborate with other communities on other fields, observations, and models. For example, complementary observations are considered with the GO-SHIP project which conducts high-accuracy ship observations, and optimization of the observation network is discussed in collaboration with data assimilation teams such as SynObs. On the other hand, it is difficult to take the lead in all aspects due to the limitation of human and funding resources, therefore, it is necessary to make choices regarding ocean observations and developments in sciences and technologies, based on the strengths of each institute and researcher. Here, taking OneArgo as an example, we would like to help form a common understanding of the future development of new collaboration and research and development with young researchers and graduate students.