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T. R. Karl
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lilac bud break, humidity, and temperature
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T. R. Karl

American climatologist

Learn about this topic in these articles:

study of climate, life, and temperature interaction

  • season
    In climate: Biosphere controls on minimum temperatures

    Schwartz and T.R. Karl used the superimposed epoch method to study the climate before and after the leafing out of lilac plants in the spring in the U.S. Midwest. (This method uses time series data from multiple locations, which can be compared to one another by adjusting…

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