Search Results - "Yamao, Yukio"

Wind velocity and temperature fields under different surface heating conditions in a street canyon in wind tunnel experiments by Lin, Ye, Ichinose, Toshiaki, Yamao, Yukio, Mouri, Hideaki

“…Air velocity and temperature fields in urban street canyons depend mainly on the wind velocity at the rooftop level, the exposure of heated surfaces, and the…”
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Passive scalar diffusion in and above urban-like roughness under weakly stable and unstable thermal stratification conditions by Kanda, Isao, Yamao, Yukio

“…Wind-tunnel experiments were conducted to investigate passive scalar diffusion behaviour in and above urban-like roughness under various thermal stratification…”
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Factors contributing to soil nitrogen mineralization and nitrification rates of forest soils in the Japanese archipelago by Urakawa, Rieko, Ohte, Nobuhito, Shibata, Hideaki, Isobe, Kazuo, Tateno, Ryunosuke, Oda, Tomoki, Hishi, Takuo, Fukushima, Keitaro, Inagaki, Yoshiyuki, Hirai, Keizo, Oyanagi, Nobuhiro, Nakata, Makoto, Toda, Hiroto, Kenta, Tanaka, Kuroiwa, Megumi, Watanabe, Tsunehiro, Fukuzawa, Karibu, Tokuchi, Naoko, Ugawa, Shin, Enoki, Tsutomu, Nakanishi, Asami, Saigusa, Nobuko, Yamao, Yukio, Kotani, Ayumi

“…•N transformation rates in ∼40 forest sites across Japan were investigated.•Cause–effect relationships were assessed by structural equation modeling.•Soil…”
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Velocity Adjustment and Passive Scalar Diffusion in and Above an Urban Canopy in Response to Various Approach Flows by Kanda, Isao, Yamao, Yukio

“…We used wind-tunnel experiments to investigate velocity-field adjustment and scalar diffusion behaviour in and above urban canopies located downwind of various…”
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Biogeochemical nitrogen properties of forest soils in the Japanese archipelago by Urakawa, Rieko, Ohte, Nobuhito, Shibata, Hideaki, Tateno, Ryunosuke, Hishi, Takuo, Fukushima, Keitaro, Inagaki, Yoshiyuki, Hirai, Keizo, Oda, Tomoki, Oyanagi, Nobuhiro, Nakata, Makoto, Toda, Hiroto, Kenta, Tanaka, Fukuzawa, Karibu, Watanabe, Tsunehiro, Tokuchi, Naoko, Nakaji, Tatsuro, Saigusa, Nobuko, Yamao, Yukio, Nakanishi, Asami, Enoki, Tsutomu, Ugawa, Shin, Hayakawa, Atsushi, Kotani, Ayumi, Kuroiwa, Megumi, Isobe, Kazuo

“…This data paper provides some biogeochemical nitrogen (N) properties and related chemical properties of forest soils from 39 sites throughout the Japanese…”
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Urban Atmospheric Diffusion Model for Traffic-Related Emission Based on Mass-Conservation and Advection-Diffusion Equations by Kanda, Isao, Yamao, Yukio, Ohara, Toshimasa, Uehara, Kiyoshi

“…This paper proposes an atmospheric diffusion model for traffic-related emission in urban areas within a few hundred meters from relevant roads. The model…”
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Particle-Image Velocimetry Measurements of Separation and Re-attachment of Airflow over Two-Dimensional Hills with Various Slope Angles and Approach-Flow Characteristics by Kanda, Isao, Yamao, Yukio, Uehara, Kiyoshi, Wakamatsu, Shinji

“…Airflow over two-dimensional hills was investigated in a wind tunnel using particle image velocimetry. We focus on the flow separation behaviour. A trapezoidal…”
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A wind-tunnel study on diffusion from urban major roads by Kanda, Isao, Yamao, Yukio, Uehara, Kiyoshi, Ohara, Toshimasa

“…We evaluate the performance of reduced-scale wind-tunnel experiments that simulate vehicle-induced pollutant diffusion in urban roadside area. From Japanese…”
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A wind-tunnel study on exhaust gas dispersion from road vehicles—Part I: Velocity and concentration fields behind single vehicles by Kanda, Isao, Uehara, Kiyoshi, Yamao, Yukio, Yoshikawa, Yasuo, Morikawa, Tazuko

“…By a reduced-scale model in a wind tunnel, we investigate the dispersion behavior of exhaust gas from automobiles. Two types of vehicles are considered, a…”
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Challenges in Improving the Reliability of Various Radiation Parameters at a Japanese Satellite Observation Validation Site by Takahashi, Yoshiyuki, Ide, Reiko, Hirose, Yasuo, Yamao, Yukio

“…At a tower site in a Japanese deciduous needle-leaf forest, which is the observation base of the AsiaFlux and JapanFlux network, we have identified various…”
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A wind-tunnel study on exhaust-gas dispersion from road vehicles—Part II: Effect of vehicle queues by Kanda, Isao, Uehara, Kiyoshi, Yamao, Yukio, Yoshikawa, Yasuo, Morikawa, Tazuko

“…By a reduced-scale wind-tunnel experiment, we investigate the dispersion behavior of exhaust gas from automobiles. Based on the results of single-vehicle cases…”
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