Effect of Trends on Detrended Fluctuation Analysis of Precipitation Series

Jianhai Yue, Xiaojun Zhao and Pengjian Shang

Mathematical Problems in Engineering, 2010, vol. 2010, 1-15

Abstract:

We use detrended fluctuation analysis (DFA) method to detect the long-range correlation and scaling properties of daily precipitation series of Beijing from 1973 to 2004 before and after adding diverse trends to the original series. The correlation and scaling properties of the original series are difficult to analyze due to existing crossovers. The effects of the coefficient and the power of the added trends on the scaling exponents and crossovers of the series are tested. A crossover is found to be independent of the added trends, which arises from the intrinsic periodic trend of the precipitation series. However, another crossover caused by the multifractal vanishes with the increasing power of added trends.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:749894

DOI: 10.1155/2010/749894

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