Elizabeth C. Weatherhead

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Evidence of mid-latitude ozone depletion and proof that the Antarctic ozone hole was caused by humans spurred policy makers from the late 1980s onwards to ratify the Montreal Protocol and subsequent treaties, legislating for reduced production of ozone-depleting substances. The case of anthropogenic ozone loss has often been cited since as a success story(More)
[1] One major question that arises with the implementation of the Montreal Protocol and its subsequent conventions is our ability to determine that an ozone ‘‘recovery’’ is in process. Toward this we have utilized a statistical model suggested by Reinsel et al. (2002) that utilizes the idea of a trend and a trend change at a specific time and applied it to(More)
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