Abstract
By using the eight-times-daily sampling data from an intensive radiosonde observation campaign at Yichang (111°18′E, 30°42′N), China in August 2006 and January 2007, the diurnal variation of the planetary boundary layer height determined by using a bulk Richardson (Ri) number approach, was studied in this paper. It was found that the boundary layer heights in both summer and winter months showed diurnal changes and the daily cycle was deeper in summer, which agreed well with the previous studies; the monthly averaged height was 103–1112 m and 89–450 m in summer and winter, respectively; the morning rise began at 0700 LT/1000 LT in summer/winter and the evening transition occurred at 1900 LT in both seasons; the maximum height occurred in the afternoon for most cases, except some peaks found in the winter night; the surface temperature and relative humidity dominated the variations of summer height, while the diurnal variation shown in January 2007 might have some connections with the dynamical processes in the lower troposphere, besides the surface effects.
Similar content being viewed by others
References
Stull R B. An Introduction to Boundary Layer Meteorology. Dordrecht: Kluwer Acad, 1988. 666
Seibert P, Beyrich F, Gryning S E, et al. Review and intercomparison of operational methods for the determination of the mixing height. Atmos Environ, 2000, 34: 1001–1027
Liu S, Liang X Z. Observed diurnal cycle climatology of planetary boundary layer height. J Climate, 2010, 23: 5790–5809
Garratt J R. The Atmospheric Boundary Layer. Cambridge: Cambridge University Press, 1992. 316
van der Kamp D, McKendry I. Diurnal and seasonal trends in convective mixed layer heights estimated from two years of continuous ceilometer observations in Vancouver BC. Boundary Layer Meteorol, 2010, 137: 459–475
Tucker S C, Senff C J, Weickmann A M, et al. Doppler lidar estimation of mixing height using turbulence, shear, and aerosol profiles. J Atmos Oceanic Technol, 2009, 26: 673–688
Bianco L, Djalalova I V, King C W, et al. Diurnal evolution and annual variability of boundary-layer height and its correlation to other meteorological variables in California’s Central Valley. Boundary Layer Meteorol, 2011, 140: 491–511
Lokoshchenko M A. Long-term sodar observations in Moscow and a new approach to potential mixing determination by radiosonde data. J Atmos Oceanic Technol, 2002, 19: 1151–1162
Hennemuth B, Lammert A. Determination of the atmospheric boundary layer height from radiosonde and lidar backscatter. Boundary Layer Meteorol, 2006, 120: 181–200
Shaw W J, Pekour M S, Coulter R L, et al. The daytime mixing layer observed by radiosonde, profiler, and lidar during MILAGRO. Atmos Chem Phys Discuss, 2007, 7: 15025–15065
Seidel D J, Zhang Y, Beljaars A, et al. Climatology of the planetary boundary layer over the continental United States and Europe. J Geophys Res, 2012, 117: D17106
Vogelezang D H P, Holtslag A A M. Evaluation and model impacts of alternative boundary-layer height formulation. Boundary Layer Meteorol, 1996, 81: 245–269
Zhang Y H, Zhang S D, Yi F. Intensive radiosonde observations of lower tropospheric inversion layers over Yichang, China. J Atmos Solar-Terr Phys, 2009, 71: 180–190
Hansen J, Ruedy R, Sato M, et al. Global surface temperature change. Rev Geophys, 2010, 48: RG4004
Zhang Y, Seidel D J, Zhang D. Trends in planetary boundary layer height over Europe. J Climate, 2013, 26: 10071–10076
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Zhang, Y., Zhang, S., Huang, C. et al. Diurnal variations of the planetary boundary layer height estimated from intensive radiosonde observations over Yichang, China. Sci. China Technol. Sci. 57, 2172–2176 (2014). https://doi.org/10.1007/s11431-014-5639-5
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11431-014-5639-5