Table of Contents
Do Milankovich Cycles Really Exist?
Questions:
Periodic Components Expected According to Milankovich
Procedure for Analysis:
First, calculate autocorrelations and examine graphical results
Results of Autocorrelation
Results of Autocorrelation
Results of Autocorrelation
PPT Slide
Now, calculate the cross-correaltions and examine graphical results
Results of Cross-correlation
Results of Cross-correlation
Results of Cross-correlation
Summarized Cross-correlation Results
Next, compute the Fourier Transform of each data set
Results of Fourier Transform
Amplitude Spectrum
Results of Fourier Transform
Amplitude Spectrum
Results of Fourier Transform
Amplitude Spectrum
Summary of Cyclic Components in Pacific Ocean Data
Summary of Cyclic Components in Indian Ocean Data
Summary of Cyclic Components in Deep Temperature Data
Results of Fourier Analysis
Finally, filter each data set
Post Filtered Peaks (red = Deep Temperature Data; blue = Indian Ocean Data; black = Pacific Ocean Data)
Post Filtered Peaks (red = Deep Temperature Data; blue = Indian Ocean Data; black = Pacific Ocean Data)
Post Filtered Peaks (red = Deep Temperature Data; blue = Indian Ocean Data; black = Pacific Ocean Data)
Results of Filtering
The final word on Milankovich...
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Author: Richard Viso
Email: rviso@geo.evu.edu
Home Page: www.geo.wvu.edu/~rviso/welcome.htm
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