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Observational analyses of a sea fog event over the northern Yellow Sea when Typhoon “Lekima” (1909) landed on Qingdao
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Qian Wang1, 2, Xiaomeng Shi1, 2, *, Suping Zhang3
Haiyang Xuebao | 2024, 46(4) : 34 - 46
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Haiyang Xuebao | 2024, 46(4): 34-46
• Article •
Observational analyses of a sea fog event over the northern Yellow Sea when Typhoon “Lekima” (1909) landed on Qingdao
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Qian Wang1, 2, Xiaomeng Shi1, 2, *, Suping Zhang3
Affiliations
  • 1. Key Laboratoray for Meteorological Disaster Prevention and Mitigation of Shandong, Jinan 250031, China
  • 2. Qingdao Meteorological Observatory, Qingdao 266003, China
  • 3. Key Laboratory of Physical Oceanography, Ministry of Education & Key Laboratory of Ocean-Atmosphere Interaction and Climate in Universities of Shandong, Ocean University of China, Qingdao 266100, China
Published: 2024-04-30 doi: 10.12284/hyxb2024027
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This study focuses on the physical process of a sea fog event during Typhoon “Lekima” (1909) in the northern Yellow Sea by using observation data, reanalysis data and backward trajectory model. The analysis indicates that the typhoon circulation was the decisive factor determining whether fog formed offshore and developed inland. The warm and humid southerlies from the South Yellow Sea condensed into fog on the colder sea surface besides the typhoon center, which not only provided sufficient moisture for the formation and development of the sea fog but also formed a significant inversion layer over the fog area with the downdraft in the center of the typhoon. The “stable up and turbulent down” structure in the atmospheric boundary layer improved the development of sea fog on the coast and inland area. However, the horizontal wind steering and the strengthening wind speed behind the typhoon strengthened the wind shear in the atmospheric boundary layer, resulting in the enhanced turbulent mixing and the decrease of the stability in the bottom atmospheric boundary layer, which was the main cause of the fog dissipation.

sea fog  /  typhoon  /  atmospheric boundary layer structure  /  Yellow Sea
Qian Wang, Xiaomeng Shi, Suping Zhang. Observational analyses of a sea fog event over the northern Yellow Sea when Typhoon “Lekima” (1909) landed on Qingdao[J]. Haiyang Xuebao, 2024 , 46 (4) : 34 -46 . DOI: 10.12284/hyxb2024027
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Article Info
doi: 10.12284/hyxb2024027
  • Receive Date：2023-01-18
  • Online Date：2025-11-26
  • Published：2024-04-30
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History
  • Received：2023-01-18
  • Revised：2023-05-04
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Affiliations
    1. Key Laboratoray for Meteorological Disaster Prevention and Mitigation of Shandong, Jinan 250031, China
    2. Qingdao Meteorological Observatory, Qingdao 266003, China
    3. Key Laboratory of Physical Oceanography, Ministry of Education & Key Laboratory of Ocean-Atmosphere Interaction and Climate in Universities of Shandong, Ocean University of China, Qingdao 266100, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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