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首页> 外文期刊>Geophysical Research Letters >Observations of rapid photochemical destruction of ozone in snowpack interstitial air
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Observations of rapid photochemical destruction of ozone in snowpack interstitial air

机译:积雪间质空气中臭氧快速光化学破坏的观察

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Measurements in central Greenland demonstrate that ozone is rapidly destroyed through a photochemical process in the surface snowpack. The rate of destruction is too high to result from reaction with NOx or HOx, but could result from catalytic destruction by bromine if its release from snowpack bromide is highly efficient. The pristine nature of the Greenland snowpack implies that ozone destruction may be widespread in illuminated snowpacks and thus influence the budget of boundary-layer ozone. Similar destruction on tropospheric cloud ice crystals may explain observations of very low ozone levels associated with cirrus clouds. [References: 24]
机译:在格陵兰中部的测量表明,臭氧是通过表层积雪中的光化学过程迅速被破坏的。销毁率太高,无法与NOx或HOx反应,但如果从积雪的溴化物中释放出的溴非常有效,则可能由溴的催化销毁导致。格陵兰积雪的原始性质意味着臭氧破坏可能会在照明的积雪中广泛传播,从而影响边界层臭氧的预算。对流层云冰晶体的类似破坏可能解释了与卷云相关的极低臭氧水平的观测结果。 [参考:24]

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