Hebestreit K, Stutz J, Rosen D, Matveiv V, Peleg M, Luria M, Platt U
K. Hebestreit, J. Stutz, U. Platt, Institut fur Umweltphysik, Ruprecht-Karls-Universitat Heidelberg, Im Neuenheimer Feld 366, D-69120 Heidelberg, Germany. D. Rosen, V. Matveiv, M. Peleg, M. Luria, Environmental Science, School of Applie.
Science. 1999 Jan 1;283(5398):55-7. doi: 10.1126/science.283.5398.55.
Episodes of elevated bromine oxide (BrO) concentration are known to occur at high latitudes in the Arctic boundary layer and to lead to catalytic destruction of ozone at those latitudes; these events have not been observed at lower latitudes. With the use of differential optical absorption spectroscopy (DOAS), locally high BrO concentrations were observed at mid-latitudes at the Dead Sea, Israel, during spring 1997. Mixing ratios peaked daily at around 80 parts per trillion around noon and were correlated with low boundary-layer ozone mixing ratios.
已知在北极边界层的高纬度地区会出现溴氧化物（BrO）浓度升高的情况，并导致这些纬度地区的臭氧发生催化破坏；而在低纬度地区尚未观察到此类事件。利用差分光学吸收光谱法（DOAS），于1997年春季在以色列死海的中纬度地区观测到了局部高浓度的BrO。混合比在中午左右每日达到峰值，约为万亿分之80，并与低边界层臭氧混合比相关。
