Abstracts for the 6th International GAME Conf.
3-5 December 2004
Kyoto Japan
Preliminary results of ABL observations in LAPS project in Huaihe river basin.
Hiroki TANAKA (1), Tetsuya HIYAMA (1), Atsushi HIGUCHI (1), Taro SHINODA (1), Hatsuki FUJINAMI (1), Kenji NAKAMURA (1)
LAPS, Lower Atmosphere and Precipitation Study, one of the projects of the Core Research for Evolutional Science and Technology (CREST) of the Japan Science and Technology Agency (JST), aims to clarify the processes and mechanisms of precipitation onset, the Surface-ABL(Atmospheric Boundary Layer)-Cloud-Precipitation relationship. A continuous observation system for the surface and the ABL meteorology was installed on August 2003, at Shouxian Meteorological Observatory (116.78E, 32.55N; 22.7m ASL) in Huaihe river basin. The main target of the observation was the Surface-ABL relationship before and after the Meiyu, the rainy season in China. A 30-meter tower was installed to obtain the hydro-meteorological parameters within the surface sub-layer, on the surface, and under the ground. Mixed layer meteorology was observed by a wind profiler radar (WPR), a Doppler sodar, and a micro-wave water vapor profiler. This paper reports the preliminary results of the surface-ABL observation. The ABL developments during the daytime were detected by the WPR. The WPR echo intensity within the ABL was well corresponding to the vertical wind velocity and the atmospheric humidity. The land surface condition reflected on the ABL meteorology through the surface heat fluxes.
Submittal Information
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Core Research for Evolutional Science and Technology, Japan Science and Technology Agency. Hydrospheric Atmospheric Research Center, Nagoya University. | |
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HyARC, Nagoya Univ, Furo-cho, Chikusa-ku, Nagoya 464-8601, JAPAN | |
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hiroki@hyarc.nagoya-u.ac.jp | |