POSSIBILITIES OF AIR TEMPERATURE DATA PROCESSING FROM THE METEOROLOGICAL STATIONS IN BRNO AND SURROUNDING AREA
POSSIBILITIES OF AIR TEMPERATURE DATA PROCESSING FROM THE METEOROLOGICAL STATIONS IN BRNO AND SURROUNDING AREA

Author(s): Karel Dejmal, Petr Kolář, Josef Novotny, Alena Roubalová
Subject(s): Physical Geopgraphy, Environmental Geography
Published by: Masarykova univerzita nakladatelství
Keywords: air temperature; amateur meteorological stations; quality control; time and spatial interpolation; cluster analysis;
Summary/Abstract: Statistical analysis of air temperature variability in the Brno urban area is the aim of the work. Datasets from professional, institutional and amateur meteorological stations were utilized for the 2015–2016 period. Preliminary results include the evaluation of availability, reliability, and usability of amateur stations´ data. Air temperatures of selected meteorological stations were used in order to complete individual time series. Different approaches were compared and evaluated. There are qualitative differences between stations due to the diversity of conditions of measurement and station parameters, mainly sensor placement, type of surface and spatial exposition. Five distinctive groups of stations were singled out following the evaluation of those parameters via cluster analysis. It was demonstrated that sensor placement and microclimatic conditions play a more significant role in air temperature measurement than basic physicalgeographical factors (altitude, longitude).

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