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A study on observed evolution of boundary layer humidity distributions

✍ Scribed by Jeremy D Price

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 142 KB
Volume: 2
Category: Article
ISSN: 1530-261X
DOI: 10.1006/asle.2001.0045

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✦ Synopsis

Abstract

Three long‐term total ozone time series at Camborne, Lerwick and Arosa are examined for their statistical properties. Non‐Gaussian behaviour is seen for all locations. There are large interannual fluctuations in the higher moments of the probability distribution. However, only the mean for all stations and summer standard deviation at Lerwick show significant trends. This suggests that there has been no long‐term change in the stratospheric circulation, but there are decadal variations. The time series can be also characterised as scale invariant with a Hurst exponent of about 0.8 for all three sites. The Arosa time series was found to be weakly intermittent, in agreement with the non‐Gaussian characteristics of the data set. Copyright © 2001 Academic Press.

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