globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.atmosres.2018.03.019
Scopus记录号: 2-s2.0-85046334737
论文题名:
The spatial representativeness of mixing layer height observations in the North China Plain
作者: Zhu X.; Tang G.; Lv F.; Hu B.; Cheng M.; Münkel C.; Schäfer K.; Xin J.; An X.; Wang G.; Li X.; Wang Y.
刊名: Atmospheric Research
ISSN: 1698095
出版年: 2018
卷: 209
起始页码: 204
结束页码: 211
语种: 英语
英文关键词: Ceilometer ; Mixing layer height ; North China plain ; Observation site layout
Scopus关键词: Meteorological instruments ; Ceilometer ; Coefficient of variation ; Distribution characteristics ; Mixing layer height ; North China Plain ; Regional distribution ; Relative coefficients ; Site layout ; Mixing ; instrumentation ; observational method ; China ; North China Plain
英文摘要: To investigate the spatial representativeness of mixing layer height (MLH) observations in the North China Plain (NCP), we performed several successive MLH measurements with ceilometers from 2013 to 2017, and the MLH observation data were analyzed at different measurement scales. Daytime MLH differences among stations increased with increasing observation scale. The relative coefficient (R) and the coefficient of variation (CV) of the hourly daytime MLH decreased and increased from 0.87 and 18.7% to 0.57 and 27.9%, respectively, by enlarging the observation domain from the urban scale (0–20 km) to the synoptic scale (100–300 km). At inter-station distances of <25 km, the daytime MLH values between two sites are highly consistent. At inter-station distances >25 km but <60 km, the daytime MLH values at any two sites exhibit obvious differences. Additionally, at inter-station distances >60 km, the daytime MLH measurements effectively capture the regional MLH distribution characteristics. Therefore, inter-station distances within the range of 25–60 km are useful for detecting whether obvious differences in daytime MLH exist among stations, and an inter-station distance >60 km is sufficient to obtain daytime MLH observations that represent the regional distribution pattern. Our research results have instructive significance for MLH observation station layouts within the NCP region. © 2018 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/108867
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China; Key Laboratory of Atmospheric Chemistry, China Meteorological Administration, Beijing, 100081, China; University of the Chinese Academy of Sciences, Beijing, 100049, China; Weather Modification Office of Hebei Province, Shijiazhuang, 050021, China; Vaisala GmbH, Hamburg, 22607, Germany; Atmospheric Science College, Chengdu University of Information Technology (CUIT), Chengdu, 610225, China; Beijing Municipal Committee of China Association for Promoting Democracy, Beijing, 100035, China

Recommended Citation:
Zhu X.,Tang G.,Lv F.,et al. The spatial representativeness of mixing layer height observations in the North China Plain[J]. Atmospheric Research,2018-01-01,209
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