Issue |
Europhys. Lett.
Volume 52, Number 1, October I 2000
|
|
---|---|---|
Page(s) | 40 - 46 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i2000-00401-5 | |
Published online | 01 September 2002 |
Break-up of stratus cloud structure predicted from non-Brownian motion liquid water and brightness temperature fluctuations
1
Department of Meteorology, Pennsylvania State University
University Park, PA 16802, USA
2
Institute of Electronics, Bulgarian Academy of Sciences
72 Tzarigradsko chaussee, Sofia 1784, Bulgaria
3
SUPRAS and GRASP, Institute of Physics, B5, University of Liège
B-4000 Liège, Belgium
4
Pacific Northwest National Laboratory, U.S. Department of Energy
Richland, WA 99352, USA
Received:
10
January
2000
Accepted:
28
July
2000
The Detrended Fluctuation Analysis statistical method is applied to microwave radiometer and infrared thermometer radiance data in order to examine stratus cloud dynamics. The existence of long-range power law correlations in stratus cloud liquid water path and radiance (brightness temperature) fluctuations is demonstrated to occur over about a two-hour period. Moreover, using a finite-size (time) interval window, a change from non-Brownian to Brownian fluctuation regimes is clearly shown to define the cloud structure changes.
PACS: 05.45.Df – Fractals / 05.45.Tp – Time series analysis / 05.40.Jc – Brownian motion
© EDP Sciences, 2000
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