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The Structure and Evolution of Sea Breezes During the Qingdao Olympics Sailing Test Event in 2006
SHENG Chunyan,Ming XUE,GAO Shouting
Shandong Provincial Meteorological Observatory, Jinan, Shangdong 250031; Shandong Provincial Meteorological Institute , Jinan, Shangdong 250031;School of Meteorology, University of Oklahoma, Norman, Oklahoma 73072, USA; Center for Analysis and Prediction of Storms University of Oklahoma, Norman, Oklahoma 73072, USA;Laboratory of Cloud-Precipitation Physics and Severe Storms, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029
Abstract Using data from automatic surface weather stations, buoys, lidar and Doppler, the diurnal variation and the three-dimensional structure of the sea breezes near the sailing sites of the Good Luck Beijing---2006 Qingdao International Regatta from 18 to 31 August 2006 are analyzed. Results show that excluding rainy days and days affected by typhoon, the sea breezes occur nearly every day during this period. When Qingdao is located at the edge of the subtropical high at 500 hPa, the sea breeze is usually stronger, around 3--4 m s-1. It starts at around 1100 to 1300 LST and lasts about 6 hours. The direction of the sea breeze tends to be southeasterly. When Qingdao is under the control of the subtropical high, the sea breeze is usually weaker, less than 2.5 m s-1 throughout the day, and begins later, between 1300 and 1500 LST. In this case, the direction of the sea breeze is variable from easterly to southeasterly. Most sea breezes in Qingdao are very shallow, up to 300 meters deep. Strong sea breezes can reach 1.5 km in depth and can push as far as 100 km inland. If the Huanghai sea breeze moves inland and meets the sea breeze of the Jiaozhou Bay in the western part of Qingdao, the sea breeze will strengthen and form three boundaries due to the interaction of the two sea breezes.
SHENG Chunyan,Ming XUE,GAO Shouting, 2009: The Structure and Evolution of Sea Breezes During the Qingdao Olympics Sailing Test Event in 2006 . Adv. Atmos. Sci., 26(1), 132-142, doi: 10.1007/s00376-009-0132-y.
