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Time Series - STAT - EPFL

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Northern hemisphere temperatures<br />

Temperature anomaly ( ◦ C) for 0–1979 relative to 1961–1990 instrumental average.<br />

Temperature anomaly (C)<br />

−1.5 −1.0 −0.5 0.0 0.5<br />

0 500 1000 1500 2000<br />

Year (AD)<br />

<strong>Time</strong> <strong>Series</strong> Autumn 2008 – slide 5<br />

Arosa ozone<br />

Annual average and daily total atmospheric ozone measurements (in Dobson units) at Arosa.<br />

Annual average ozone (DU)<br />

300 330 360<br />

Daily ozone (DU)<br />

200 350 500<br />

1940 1950 1960 1970 1980 1990 2000<br />

<strong>Time</strong><br />

1940 1950 1960 1970 1980 1990 2000<br />

<strong>Time</strong><br />

<strong>Time</strong> <strong>Series</strong> Autumn 2008 – slide 6<br />

3

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