Exercise 1.1.20

Question

Trees grow faster and form wider rings in warm years and grow more slowly and form narrower rings in cooler years. The figure shows ring widths of a Siberian pine from 1500 to 2000.
    \begin{enumerate}[label=(\alph*)]
        \item What is the range of the ring width function?
        \item What does the graph tend to say about the temperature of the earth? Does the graph reflect the volcanic eruptions of the mid-19th century?
    \end{enumerate}

Khagan Gulusoy · Accepted Answer

\begin{enumerate}[label=(\alph*)]
    \item The range of the ring width is approximately $(0, \ 1.6);$
    \item %The graph represents us the global change of temperature. Since volcanic eruptions affect on climate, it also has a reflection on the graph.
    Since the width of the rings and the global temperature are correlated, we can deduce some facts about the change in temperature worldwide based on this graph. The main conclusion is that the global temperature has steadily increased since 1500. Furthermore, the anomaly in the mid-19th century can be explained by the volcanic eruptions during that period since eruptions of hot lava increase the temperature.
\end{enumerate}

Exercise 1.1.20

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Exercise 1.1.20

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