Environmental and Ecological Statistics

, Volume 13, Issue 3, pp 287–298

The effect of wind direction on ozone levels: a case study

Original Article

DOI: 10.1007/s10651-004-0012-7

Cite this article as:
Jammalamadaka, S.R. & Lund, U.J. Environ Ecol Stat (2006) 13: 287. doi:10.1007/s10651-004-0012-7


This paper provides an illustrative case study on how the wind direction plays an important role in determining the ozone levels, in a suburb of Houston. Circular correlation and circular regression methods are used in the analysis and the primary goal is to illustrate how circular data analytic methods help in analyzing certain environmental issues.


Circular statistics Directional data Ozone level Wind direction 

Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Department of Statistics and Applied ProbabilityUniversity of CaliforniaSanta BarbaraUSA
  2. 2.Statistics DepartmentCalifornia Polytechnic State UniversitySan Luis ObispoUSA

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