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9 - Differentiating Signals from Noise

from Chapter 9

Published online by Cambridge University Press:  23 April 2021

Tara Ivanochko
Affiliation:
University of British Columbia, Vancouver
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Summary

In Chapter 8, the Mauna Loa CO2 data from 1958 to 2017 was decomposed to isolate the annual signal from the long-term trend. That exercise demonstrated that two non-interacting cycles, existing in the very same data set, can be considered separately. Once isolated, the amplitude of each cycle can be compared to identify the relative dominance of the different signals. Taking this to heart, a conceptual understanding of time series analysis can be developed.

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Publisher: Cambridge University Press
Print publication year: 2021

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References

Keeling, C. D., Piper, S. C., Bacastow, R. B. et al. (2001). Exchanges of atmospheric CO2 and 13CO2 with the terrestrial biosphere and oceans from 1978 to 2000. I. Global aspects, SIO Reference Series, No. 01-06, Scripps Institution of Oceanography, San Diego, CA, 88pp.Google Scholar

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