JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EFHC0309 Subject Category: Common Business PDF Responsible Representative: Naoyuki Fujita, Security and Information Systems Department, Supercomputer Division Contact Information: Shingo Matsuyama(matsuyama.shingo@jaxa.jp) Members: Shingo Matsuyama Abstract In experiments of boundary layer turbulence transitions by hypersonic wind tunnels, it is known that the first source of disturbance that causes boundary layer transitions on the wind tunnel model is noise (e.g., pressure disturbances) radiated by the turbulent boundary layer that develops on the・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ER3501 Subject Category: Space Technology PDF Responsible Representative: Hiroshi Suto, Space Technology Directorate I, Satellite Applications and Operations Center Contact Information: Hiroshi Suto(suto.hiroshi@jaxa.jp) Members: Makiko Hashimoto, Shin Ishida, Kenji Kowata, Fumie Kataoka, Kei Shiomi, Shigeaki Wada, Nobuhiro Kikuchi, Hiroshi Suto Abstract GOSAT-2 project retrieve and estimate the global concentration distribution of major greenhouse gases including the sources and natural absorbers with high level of accuracy to contribute to environmental administration・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ER2402 Subject Category: Space Technology PDF Responsible Representative: Riko Oki, Director, Earth Observation Research Center, Space Technology Directorate I Contact Information: Misako Kachi(kachi.misako@jaxa.jp) Members: Misako Kachi, Shun Ohishi, Naoki Sakai Abstract With the recent enhancement of ocean observation networks by satellites and Argo profiling floats, spatiotemporally higher-resolution temperature, salinity, and sea surface height have been observed. However, for example, the satellites cannot observe under rainy conditions, and the number of・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ER0201 Subject Category: Space Technology PDF Responsible Representative: Riko Oki, Director, Space technology Directorate I, Earth Observation Research Center Contact Information: Space technology Directorate I, Earth Observation Research Center, Takuji Kubota(kubota.takuji@jaxa.jp) Members: Shuhei Matsugishi, Masaki Satoh, Takemasa Miyoshi, Shunji Kotsuki, Kosuke Yamamoto, Takuji Kubota Abstract This study explores an effective use of satellite data including GSMaP and GPM/DPR through an advanced ensemble data assimilation method for improving numerical weather prediction・・・<<read more>>