Zobrazeno 1 - 10
of 174
pro vyhledávání: '"Hotta, Daisuke"'
Autor:
Hu, Guannan, Dance, Sarah L., Fowler, Alison, Simonin, David, Waller, Joanne, Auligne, Thomas, Healy, Sean, Hotta, Daisuke, Löhnert, Ulrich, Miyoshi, Takemasa, Prive, Nikki C., Stiller, Olaf, Wang, Xuguang, Weissmann, Martin
In numerical weather prediction (NWP), a large number of observations are used to create initial conditions for weather forecasting through a process known as data assimilation. An assessment of the value of these observations for NWP can guide us in
Externí odkaz:
http://arxiv.org/abs/2309.16433
Autor:
Hotta, Daisuke1,2 (AUTHOR) dhotta@mri-jma.go.jp, Lonitz, Katrin3 (AUTHOR), Healy, Sean2 (AUTHOR)
Publikováno v:
Atmospheric Measurement Techniques. 2024, Vol. 17 Issue 3, p1075-1089. 15p.
Autor:
Hotta, Daisuke, Ota, Yoichiro
The ability of ensemble Kalman filter (EnKF) algorithms to extract information from observations is analyzed with the aid of the concept of the degrees of freedom for signal (DFS). A simple mathematical argument shows that DFS for EnKF is bounded fro
Externí odkaz:
http://arxiv.org/abs/2006.00517
Autor:
Aikawa, Tadao *, Kamada, Rui, Ogino, Jiro, Saitou, Toshinori, Funayama, Naohiro, Hotta, Daisuke
Publikováno v:
In Journal of Nuclear Cardiology June 2023 30(3):1277-1282
Autor:
Ujiie, Masashi, Hotta, Daisuke
The widely-adopted discretisation of the horizontal pressure gradient term formulated by Simmons and Burridge (1981) for atmospheric models on $\sigma$-$p$ hybrid vertical coordinate is found to incur spectral blocking for rotational wind components
Externí odkaz:
http://arxiv.org/abs/1908.11686
Autor:
Hotta, Daisuke, Ujiie, Masashi
Publikováno v:
Q. J. Royal Meteorol. Soc. 144 (2018) 1382-1397
A new grid system on a sphere is proposed that allows for straight-forward implementation of both spherical-harmonics-based spectral methods and gridpoint-based multigrid methods. The latitudinal gridpoints in the new grid are equidistant and spectra
Externí odkaz:
http://arxiv.org/abs/1711.11296
Autor:
Aikawa, Tadao *, Funayama, Naohiro, Sunaga, Daisuke, Kayanuma, Keigo, Oyama-Manabe, Noriko, Hotta, Daisuke
Publikováno v:
In Journal of Nuclear Cardiology June 2021 28(3):1182-1185
Akademický článek
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Akademický článek
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Autor:
Boukabara, Sid A., Zhu, Tong, Tolman, Hendrik L., Lord, Steve, Goodman, Steven, Atlas, Robert, Goldberg, Mitch, Auligne, Thomas, Pierce, Bradley, Cucurull, Lidia, Zupanski, Milija, Zhang, Man, Moradi, Isaac, Otkin, Jason, Santek, David, Hoover, Brett, Pu, Zhaoxia, Zhan, Xiwu, Hain, Christopher, Kalnay, Eugenia, Hotta, Daisuke, Nolin, Scott, Bayler, Eric, Mehra, Avichal, Casey, Sean P. F., Lindsey, Daniel, Grasso, Louie, Kumar, V. Krishna, Powell, Alfred, Xu, Jianjun, Greenwald, Thomas, Zajic, Joe, Li, Jun, Li, Jinliong, Li, Bin, Liu, Jicheng, Fang, Li, Wang, Pei, Chen, Tse-Chun
Publikováno v:
Bulletin of the American Meteorological Society, 2016 Dec 01. 97(12), 2359-2378.
Externí odkaz:
https://www.jstor.org/stable/26265410