ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 36 Issue 10 > 2010,36(10):52-56. DOI:10.7519/j.issn.1000-0526.2010.10.008 Prev Next
Penalized Maximal F Test for the Homogeneity Study of the Annual Mean Wind Speed over China
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Abstract:
The annual mean wind speed data of 701 meteorological observation stations have been detected by using Penalized Maximal F Test （PMFT） and the detailed metadata archive. The results show that the homogeneity detection method works well for the annual mean wind speed data over China. The number of change points of the annual mean wind speed may be one or two. The annual mean wind speed series of 61.3 percent are homogeneous among the detected 701 stations, showing that the homogeneity of the annual mean wind speed is good in most areas of China. The changes of instrument and location are the two main causes for the nonhomogeneity, and the changes in the type of the observation instrument are the most important causes for the nonhomogeneity of the annual mean wind speed over China.
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