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Observations of the atmospheric surface layer parameters during the total solar eclipse of March 29th, in Greece
- Source :
- Meteorologische Zeitschrift. 18:489-494
- Publication Year :
- 2009
- Publisher :
- Schweizerbart, 2009.
-
Abstract
- This study examines the effect of the total solar eclipse of March 29 th 2006, on some parameters of the atmospheric surface layer. The eclipse effects on the mean, but also turbulent parameters of the wind were studied at Kastelorizo, a small island of southeastern Greece situated within the totality path of the eclipse. Although the eclipse effect on the mean flow was partly masked by the synoptic situation, the analysis of the intensive (high frequency) wind measurements showed a decrease of the turbulent processes with reduced values of the turbulent kinetic energy and shear stress for a short period around the maximum phase of the eclipse. The buoyancy flux decreased by one order of magnitude during the phenomenon. The power spectra of the three wind components were found to be lower by almost one order of magnitude near the total phase when compared to spectra after the end of the eclipse.
- Subjects :
- Atmospheric Science
Meteorology
Solar eclipse
Turbulence
Turbulence kinetic energy
Shear stress
Astrophysics::Solar and Stellar Astrophysics
Environmental science
Mean flow
Astrophysics::Earth and Planetary Astrophysics
Surface layer
Physics::Atmospheric and Oceanic Physics
Order of magnitude
Eclipse
Subjects
Details
- ISSN :
- 09412948
- Volume :
- 18
- Database :
- OpenAIRE
- Journal :
- Meteorologische Zeitschrift
- Accession number :
- edsair.doi...........25439b80ca2f615101f5d64f2907fda9