首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >STRATOSPHERIC OZONE RESPONSE TO SHORT- AND INTERMEDIATE-TERM VARIATIONS OF SOLAR UV FLUX
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STRATOSPHERIC OZONE RESPONSE TO SHORT- AND INTERMEDIATE-TERM VARIATIONS OF SOLAR UV FLUX

机译:大气臭氧对太阳紫外线通量短期和中期变化的响应

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On the basis of three years (October 1991 through September 1994) of UARS SOLSTICE (solar stellar irradiance comparison experiments) and MLS (microwave limb sounder) data, correlations between tropical ozone and spectral solar UV flux have been studied. In addition to the 27-day period of solar rotation, this new result shows a relatively weak UV-ozone correlation at periods of 60-80 days in the upper stratosphere. The 60-80 day correlation coefficient (similar to 0.5) is somewhat smaller than the 27-day correlation (similar to 0.7). For the 60-80 day periodicity the overall phase lag of ozone is about 2 weeks throughout the 1-10 mbar layer, but the phase relation differs each year. This suggests that dynamical effects could be influencing the 60-80 day ozone variation. Although the 60-80 day solar variation is much smaller than the 27-day variation, the ozone response to these solar variations is about as strong. Further investigation of the 60-80 day variation using alternate data sets for different time periods would be desirable. [References: 20]
机译:在三年(1991年10月至1994年9月)的UARS SOLSTICE(太阳恒星辐照度比较实验)和MLS(微波测深仪)数据的基础上,研究了热带臭氧与光谱太阳紫外线通量之间的相关性。除了27天的太阳旋转周期外,这一新结果还表明平流层上层60-80天的紫外线-臭氧相关性相对较弱。 60-80天的相关系数(近似为0.5)略小于27天的相关系数(近似为0.7)。对于60-80天的周期,整个1-10 mbar层中臭氧的总体相位滞后约为2周,但每年的相位关系不同。这表明动力学效应可能会影响60-80天的臭氧变化。尽管60-80天的太阳变化要比27天的变化小得多,但是臭氧对这些太阳变化的响应却差不多。使用不同时间段的备用数据集进一步调查60-80天的变化将是理想的。 [参考:20]

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