這是環境方面臭氧層的英文文章 想請人幫我翻譯 -2
On October 2008 the Ecuadorian Space Agency published a report called HIPERION, a study of the last 28 years data from 10 satellites and dozens of ground instruments around the world among them their own, and found that the UV radiation reaching equatorial latitudes was far greater than expected, climbing in some very populated cities up to 24 UVI, the WHO UV Index standard considers 11 as an extreme index and a great risk to health. The report concluded that the ozone depletion around mid latitudes on the planet is already endangering large populations in this areas. Later, the CONIDA, the Peruvian Space Agency, made its own study, which found almost the same facts as the Ecuadorian study.
The Antarctic ozone hole is expected to continue for decades. Ozone concentrations in the lower stratosphere over Antarctica will increase by 5%–10% by 2020 and return to pre-1980 levels by about 2060–2075, 10–25 years later than predicted in earlier assessments. This is because of revised estimates of atmospheric concentrations of Ozone Depleting Substances — and a larger predicted future usage in developing countries. Another factor which may aggravate ozone depletion is the draw-down of nitrogen oxides from above the stratosphere due to changing wind patterns.
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2008年十月, the Ecuadorian Space Agency 發表了一份叫做HIPERION的報告研究近28年來來自於10個衛星偵測還有很多的地面儀器的數據, 並發現了赤道附近的UV輻射量遠遠超過了預期, 有些人口密度高的城市甚至到達了24UVI (WHO UV index standard設11為對健康有強烈危害的門檻)。報告總結中緯度的臭氧破壞已經對於當地的人形成強烈危害。 不久, CONIDA,the Peruvian Space Agency, 開始了自己的研究並發現了幾乎和Ecuadorian study一樣的結果。
南極的臭氧破洞預估還會持續幾十年 臭氧的濃度在南極上空的矮平流層在2020年前會增加 5%–10% 並在2060-2075年回到1980年以前的濃度 比先前預估的晚了 10–25年, 因為大氣層裡對臭氧層破壞物質的濃度的重新評估還有正在開發國家未來對這些物質更多的使用. 另一個可能惡化臭氧層破壞的原因就是因為風向轉換而造成的平流層裡的氮氧化合物(nitrogen oxides)下降。