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Application and Testing of the Extended-Kalman-Filtering Technique for Determining the Planetary Boundary-Layer Height over Athens, Greece.
- Source :
- Boundary-Layer Meteorology; Jul2020, Vol. 176 Issue 1, p125-147, 23p, 7 Color Photographs, 1 Chart, 6 Graphs, 1 Map
- Publication Year :
- 2020
-
Abstract
- 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<superscript>−1</superscript> and 90 ± 17 m h<superscript>−1</superscript> during daytime and night-time, respectively. [ABSTRACT FROM AUTHOR]
- Subjects :
- RAMAN effect
ALTITUDES
DATABASES
Subjects
Details
- Language :
- English
- ISSN :
- 00068314
- Volume :
- 176
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Boundary-Layer Meteorology
- Publication Type :
- Academic Journal
- Accession number :
- 143359549
- Full Text :
- https://doi.org/10.1007/s10546-020-00514-z