Τίτλος:
Application and Testing of the Extended-Kalman-Filtering Technique for Determining the Planetary Boundary-Layer Height over Athens, Greece
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
We investigate the temporal evolution of the planetary boundary-layer (PBL) height over the basin of Athens, Greece, during a 6-year period (2011–2016), using data from a Raman lidar system. The range-corrected lidar signals are selected around local noon (1200 UTC) and midnight (0000 UTC), for a total of 332 cases: 165 days and 167 nights. In this dataset, the extended-Kalman filtering technique is applied and tested for the determination of the PBL height. Several well-established techniques for the PBL height estimation based on lidar data are also tested for a total of 35 cases. The lidar-derived PBL heights are compared to those derived from radiosonde data. The mean PBL height over Athens is found to be 1617 ± 324 m at 1200 UTC and 892 ± 130 m at 0000 UTC for the period examined, while the mean PBL-height growth rate is found to be 170 ± 64 m h−1 and 90 ± 17 m h−1 during daytime and night-time, respectively. © 2020, Springer Nature B.V.
Συγγραφείς:
Kokkalis, P.
Alexiou, D.
Papayannis, A.
Rocadenbosch, F.
Soupiona, O.
Raptis, P.-I.
Mylonaki, M.
Tzanis, C.G.
Christodoulakis, J.
Περιοδικό:
Boundary-Layer Meteorology
Λέξεις-κλειδιά:
Atmospheric thermodynamics; Boundary layer flow; Boundary layers; Optical radar, Athens , Greece; Extended Kalman filtering; Height estimation; Planetary boundary layers; Radiosonde datas; Raman lidar system; Temporal evolution; Well-established techniques, Extended Kalman filters, boundary layer; Kalman filter; lidar; planetary atmosphere; radiosonde; satellite data; satellite imagery; temporal analysis, Athens [Attica]; Attica; Greece
DOI:
10.1007/s10546-020-00514-z
