Search Results - "Kodama, Yuji"

KP solitons and total positivity for the Grassmannian by Kodama, Yuji, Williams, Lauren

“…Soliton solutions of the KP equation have been studied since 1970, when Kadomtsev and Petviashvili proposed a two-dimensional nonlinear dispersive wave…”
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The Full Kostant–Toda Hierarchy on the Positive Flag Variety by Kodama, Yuji, Williams, Lauren

“…We study some geometric and combinatorial aspects of the solution to the full Kostant–Toda (f-KT) hierarchy, when the initial data is given by an arbitrary…”
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Physically based snow albedo model for calculating broadband albedos and the solar heating profile in snowpack for general circulation models by Aoki, Teruo, Kuchiki, Katsuyuki, Niwano, Masashi, Kodama, Yuji, Hosaka, Masahiro, Tanaka, Taichu

“…A physically based snow albedo model (PBSAM), which can be used in a general circulation model, is developed. PBSAM calculates broadband albedos and the solar…”
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KP solitons, total positivity, and cluster algebras by Kodama, Yuji, Williams, Lauren K

“…Soliton solutions of the KP equation have been studied since 1970, when Kadomtsev and Petviashvili [Kadomtsev BB, Petviashvili VI (1970) Sov Phys Dokl…”
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Snow Metamorphism and Albedo Process (SMAP) model for climate studies: Model validation using meteorological and snow impurity data measured at Sapporo, Japan by Niwano, Masashi, Aoki, Teruo, Kuchiki, Katsuyuki, Hosaka, Masahiro, Kodama, Yuji

“…We developed a multilayered physical snowpack model named Snow Metamorphism and Albedo Process (SMAP), which is intended to be incorporated into general…”
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Phase analysis of simulated nuclear fuel debris synthesized using UO2, Zr, and stainless steel and leaching behavior of the fission products and matrix elements by Tonna, Ryutaro, Sasaki, Takayuki, Kodama, Yuji, Kobayashi, Taishi, Akiyama, Daisuke, Kirishima, Akira, Sato, Nobuaki, Kumagai, Yuta, Kusaka, Ryoji, Watanabe, Masayuki

“…Simulated debris was synthesized using UO2, Zr, and stainless steel and a heat treatment method under inert or oxidizing conditions. The primary U solid phase…”
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Classification of the Superior Petrosal Veins and Sinus Based on Drainage Pattern by Matsushima, Ken, Matsushima, Toshio, Kuga, Yoshihiro, Kodama, Yuji, Inoue, Kohei, Ohnishi, Hideyuki, Rhoton, Albert L

“…BACKGROUND:The increasing number of reports of complications after sacrificing the superior petrosal veins, the largest veins in the posterior fossa, has led…”
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Environmental factors regulating winter CO2 flux in snow-covered black forest soil of Interior Alaska by Kim, Yongwon, Kodama, Yuji, Fochesatto, Gilberto J.

“…High latitude winter soil CO2 emission is an important component of the annual carbon budget at regional and global scales. Here, continuous monitoring of…”
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Sap flow changes in relation to permafrost degradation under increasing precipitation in an eastern Siberian larch forest by Iijima, Yoshihiro, Ohta, Takeshi, Kotani, Ayumi, Fedorov, Alexander N., Kodama, Yuji, Maximov, Trofim C.

“…ABSTRACT Continuous observation over the last decade has revealed evidence of abrupt land surface moistening as well as rapid soil warming within the active…”
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Influence of dust and black carbon on the snow albedo in the NASA Goddard Earth Observing System version 5 land surface model by Yasunari, Teppei J., Koster, Randal D., Lau, K.-M., Aoki, Teruo, Sud, Yogesh C., Yamazaki, Takeshi, Motoyoshi, Hiroki, Kodama, Yuji

“…Present‐day land surface models rarely account for the influence of both black carbon and dust in the snow on the snow albedo. Snow impurities increase the…”
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A comparison between various definitions of forest stand height and aerodynamic canopy height by Nakai, Taro, Sumida, Akihiro, Kodama, Yuji, Hara, Toshihiko, Ohta, Takeshi

“…A consistent measure of forest canopy height is required for among-site comparisons of meteorological properties and for comparison of model results such as…”
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Recovery of surface albedo and plant cover after wildfire in a Picea mariana forest in interior Alaska by Tsuyuzaki, Shiro, Kushida, Keiji, Kodama, Yuji

“…Albedo influences vegetation structure, permafrost thawing, etc., in particular, after wildfires in Picea mariana forests in Alaska, USA, while albedo changes…”
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Correction of sonic anemometer angle of attack errors by Nakai, Taro, van der Molen, M.K., Gash, J.H.C., Kodama, Yuji

“…An improved method of correcting for the angle of attack error resulting from the imperfect (co)sine response of ultrasonic anemometers is proposed. The angle…”
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KP solitons and the Riemann theta functions by Kodama, Yuji

“…We show that the τ -functions of the regular KP solitons from the totally nonnegative Grassmannians can be expressed by the Riemann theta functions on singular…”
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Variations of winter surface net shortwave radiation caused by land-use change in northern Hokkaido, Japan by Suzuki, Kazuyoshi, Liston, Glen E., Kodama, Yuji

“…To evaluate changes in surface albedo and net shortwave radiation caused by land-use changes, we developed a simple model using the MicroMet/SnowModel…”
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Parameterisation of aerodynamic roughness over boreal, cool- and warm-temperate forests by Nakai, Taro, Sumida, Akihiro, Daikoku, Ken’ichi, Matsumoto, Kazuho, van der Molen, Michiel K., Kodama, Yuji, Kononov, Alexander V., Maximov, Trofim C., Dolman, Albertus J., Yabuki, Hironori, Hara, Toshihiko, Ohta, Takeshi

“…Roughness length and zero-plane displacement over boreal, cool- and warm-temperate forests were observed and parameterised using forest structure data…”
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Effects of Hip Angles in Sagittal Plane on the Hip Rotator Force in Normal Subjects by KODAMA, Yuji, TSUSHIMA, Eiki

“…Purpose: The purpose of this study was examine the effects of hip joint angles in sagittal plane on the hip external and internal rotator force. Methods:…”
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Carbon exchange rates in Polytrichum juniperinum moss of burned black spruce forest in interior Alaska by Kim, Yongwon, Kodama, Yuji, Shim, Changsub, Kushida, Keiji

“…The Boreal black spruce forest is highly susceptible to wildfire, and postfire changes in soil temperature and substrates have the potential to shift large…”
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The seventh International Symposium on Arctic Research (ISAR-7) by Kodama, Yuji

“…The Arctic is undergoing rapid environmental change that is creating a variety of environmental, social, political, and economic challenges for the people…”
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Extended Schur’s Q-functions and the full Kostant–Toda hierarchy on the Lie algebra of type D by Kodama, Yuji, Okada, Soichi

“…The full Kostant–Toda hierarchy on a semisimple Lie algebra is a system of Lax equations, in which the flows are determined by the gradients of the Chevalley…”
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