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Measurements by independent satellite instruments will facilitate a pole-to-pole validation of most SCIAMACHY products for all seasons. The focus will be on the validation of SCIAMACHY trace gas products with collocated measurements of:

• GOME/ERS-2 providing O₃ profiles and O₃ and NO₂ columns

  For more information about GOME click here.

• TOMS/Earthprobe providing O₃ columns

• HALOE/UARS providing profiles of O₃, NO₂, CH₄, and H₂O

• SAGE-II/ERBS providing profiles of O₃, NO₂, and H₂O

• SAGE-III on Meteor-3 providing profiles of O₃, NO₂, H₂O, and OClO

• SABER on TIMED providing profiles of O₃ and H₂O

• SBUV-2 on the NOAA platforms providing O₃ profiles

In addition to the trace gas products, level-1 products will be validated with independent satellite measurements as well:

• SCIAMACHY solar irradiances will be compared with irradiances measured by GOME and, if available, by SUSIM and SOLSTICE on UARS. For the validation of the infrared part of the SCIAMACHY irradiances ground-based measurements obtained at the Kitt Peak National Solar Observatory will be used.

• UV-vis nadir radiances will be compared with GOME radiances for comparable atmospheric scenarios and viewing geometries. In the IR spectral region comparisons with radiative transfer calculations are planned.

• Limb radiances will be compared with measurements of the OSIRIS instrument on the ODIN satellite and with radiative transfer calculations.