Stuff for PP03.HTML

A 1470-1974 rain index for Beijing
pp03.html     pp03.tar
  • Hameed et al., 1983. S. Hameed, W M. Yeh, M.T. Li, R.D. Cess, W.C. Wang: An Analysis of Periodicities in the 1470 to 1974 Beijing Precipitation record, GRL, 10:6, 436-439, 1983. doi:10.1029/GL010i006p00436
  • Shen et al., 2006. Caiming Shen, Wei-Chyung Wang, Wei Gong and Zhixin Hao: A Pacific Decadal Oscillation record since 1470 AD reconstructed from proxy data of summer rainfall over eastern China , GRL, 13, L03702, 2006. https://doi.org/10.1029/2005GL024804
  • Yao,1982 Yao C.S.: A Statistical Approach to Historical Records of Flood and Drough, J. Appl. Meteorology, 21, 588-594, 1982. https://doi.org/10.1175/1520-0450(1982)021<0588:ASATHR>2.0.CO;2
    Plots, Figures
    FFT of Beijing index(png) (pdf)1470 to 1974; Hameed, 1983
    PDO reconstruction(png)Shen et al, 2006, figure 2
    MTM & wavelet of Beijing index(png)Shen et al, 2006, figure 5, modified
    Beijing flood/drought index
    1470-1974 + MEM & LOMB Sp.
    (pdf) (png) From Yao, 1982
    Beijing flood/drought index
    1470-1974 + LOMB Sp. zoom
    (pdf) (png) 0-50, 0-5 & 0-1 yrs periods
    Frequency histogram of
    spectral maxima
    (pdf) (png)from MEM Spectrum
    Positive/Negative values ...or (pdf) (png)
    Separate index values (pdf) (png)the same as above, with colors
    Separate values: Lomb spectra (pdf) (png)
    As above, with neutral (=3) values (pdf) (png)look at the "strange" spectrum of neutral values
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    Data        
    Beijing flood/drought index
    1470-1974
    (txt) From Yao, 1982, Table 1
    MEM Spectrum(out)
    LOMB Spectrum(out)
    Frequency of spectral Max(txt)
    Comp. Spectral Periods(html)Lomb, Mem. FFT
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    Code pechino-val.bon, lomb-05.bon,
    Page Written: December 18, 2022        Last Updated: