Publication details

Homogenization of daily air pressure and temperature series for Brno (Czech Republic) in the period 1848-2005

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Year of publication 2009
Type Article in Proceedings
Conference Proceedings of the Fifth Seminar for Homogenization and Quality Control in Climatological Databases
MU Faculty or unit

Faculty of Science

Field Atmosphere sciences, meteorology
Keywords homogenization of daily series; air temperature; air pressure; Brno
Description Homogenization of daily meteorological series is a difficult task. Several kinds of problem have to be taken into consideration in the course of homogenization: selection of a proper homogenization method with regard to the data used, creation of reference series, completion of missing values, annual course of adjustments, and others. This paper presents an attempt to create a homogeneous series of daily air pressure and temperature readings in the city of Brno (Czech Republic). Two basic approaches were adopted: (i) homogenization of monthly series and projection of estimated smoothed monthly adjustments in annual variation of daily adjustments and (ii) homogenization of daily values in individual months and direct estimation of daily adjustments, again smoothed by low-pass filter. Differences in the results obtained from these two approaches are further discussed.
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