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http://dx.doi.org/10.3741/JKWRA.2010.43.5.483

An Analysis of Temporal Characteristic Change for Various Hydrologic Weather Parameters (II ) - On the Variability, Periodicity -  

Lee, Jae-Joon (School. of Civil and Environmental Engrg., Kumoh National Institute of Technoligy)
Jang, Joo-Young (School. of Civil Engrg., Kumoh National Institute of Technology)
Kwak, Chang-Jae (School. of Civil Engrg., Kumoh National Institute of Technology)
Publication Information
Journal of Korea Water Resources Association / v.43, no.5, 2010 , pp. 483-493 More about this Journal
Abstract
In this study, for the purpose of analyzing variability and periodicity of Korean hydrologic weather parameters, 5 hydrologic weather parameters data such as annual precipitation, annual rainy days, annual average temperature, annual average relative humidity, annual duration of sunshine are collected from 63 domestic meteorological stations that has the hydrologic weather parameters records more than 30 years. And in this study the variability and periodicity using the statistical methods like Wald-Wolfowitz test, Mann-Whitney test, and Wavelet Transform about hydrologic weather parameters is analyzed. The results of statistical analysis of variability and periodicity can be summarized as follows: 1) Variability commonly appeared in annual average temperature and annual average relative humidity. 2) Annual precipitation, annual rainy days and annual duration of sunshine showed different results according to area. 3) Periodicity appeared in annual precipitation and annual rainy days but did not appeard in annual average temperature, annual average relative humidity and annual duration of sunshine.
Keywords
hydrologic weather parameters; variability; periodicity;
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Times Cited By KSCI : 4  (Citation Analysis)
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