A comparison between two different stratospheric ozone datasets of HALOE observations and ERA-40 reanalysis

Chunhua Shi; Bin Zheng; Hui Li

doi:10.1117/12.794397

10 September 2008 A comparison between two different stratospheric ozone datasets of HALOE observations and ERA-40 reanalysis

Chunhua Shi, Bin Zheng, Hui Li

Author Affiliations +

Proceedings Volume 7085, Atmospheric and Environmental Remote Sensing Data Processing and Utilization IV: Readiness for GEOSS II; 70851G (2008) https://doi.org/10.1117/12.794397
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

The ERA-40 reanalysis ozone data sets provided by ECMWF are most widely used at present, in order to use the data more effectively and reasonably, a comparison analyses are done and the features are discussed between the ERA-40 reanalysis and Halogen Occultation Experiment (HALOE) Observations on Upper Atmosphere Research Satellite (UARS). The spatial and temporal variations of the differences between two ozone data are analyzed in detail. Signal-to-Noise Ratios are estimated firstly by HALOE observational ozone concentration in seasonal and interannual time-scales, respectively. The results indicate that there are significant seasonal and interannual variations in a large part of stratosphere. The comparison analysis suggests that seasonal variation in ozone from ERA-40 is similar to HALOE observations and interannual variation in ozone from ERA-40 is greatly weaker than that of HALOE observations in the tropical middle stratosphere, but is enhanced at low latitudes in the lower stratosphere.

Citation Download Citation

Chunhua Shi, Bin Zheng, and Hui Li "A comparison between two different stratospheric ozone datasets of HALOE observations and ERA-40 reanalysis", Proc. SPIE 7085, Atmospheric and Environmental Remote Sensing Data Processing and Utilization IV: Readiness for GEOSS II, 70851G (10 September 2008); https://doi.org/10.1117/12.794397

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