Cross-correlations between weather variables in Australia

Guan, Lisa, Yang, Jay, & Bell, John M. (2007) Cross-correlations between weather variables in Australia. Building and Environment, 42(3), pp. 1054-1070.

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The information on climate variations is essential for the research of many subjects, such as the performance of buildings and agricultural production. However, recorded meteorological data are often incomplete. There may be a limited number of locations recorded, while the number of recorded climatic variables and the time intervals can also be inadequate. Therefore, the hourly data of key weather parameters as required by many building simulation programmes are typically not readily available. To overcome this gap in measured information, several empirical methods and weather data generators have been developed. They generally employ statistical analysis techniques to model the variations of individual climatic variables, while the possible interactions between different weather parameters are largely ignored. Based on a statistical analysis of 10 years historical hourly climatic data over all capital cities in Australia, this paper reports on the finding of strong correlations between several specific weather variables. It is found that there are strong linear correlations between the hourly variations of global solar irradiation (GSI) and dry bulb temperature (DBT), and between the hourly variations of DBT and relative humidity (RH). With an increase in GSI, DBT would generally increase, while the RH tends to decrease. However, no such a clear correlation can be found between the DBT and atmospheric pressure (P), and between the DBT and wind speed. These findings will be useful for the research and practice in building performance simulation.

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30 citations in Scopus
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27 citations in Web of Science®

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ID Code: 23229
Item Type: Journal Article
Refereed: Yes
Keywords: Weather Data, Australia, Climatic Variables, Cross-correlation, Building Simulation
DOI: 10.1016/j.buildenv.2006.01.010
ISSN: 0360-1323
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > ARCHITECTURE (120100)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Deposited On: 17 Jun 2009 13:46
Last Modified: 16 Mar 2015 03:26

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