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>SODAR observations of inertia- gravity waves in the atmospheric boundary layer during the passage of tropical cyclone
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SODAR observations of inertia- gravity waves in the atmospheric boundary layer during the passage of tropical cyclone
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机译:热带气旋通过过程中大气边界层惯性重力波的SODAR观测
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摘要
This study reports characteristics of inertia-gravity waves (IGWs) in the atmospheric boundary layer during the passage of Tropical Cylone-03B, using the Doppler Sound Detection and Ranging (SODAR) observations at the Indian tropical station of Gadanki (13.45 degrees N, 79.2 degrees E; near the east coast of India). Wavelet analysis of horizontal winds indicates significant wave motion (60h) near the characteristic inertial period. The hodograph analysis of the filtered winds shows an anti-cyclonic turning of horizontal wind with height and time, indicating the presence of IGW. This study finds important implications in boundary layer dynamics during the passage of tropical cyclones.
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