Status of the OMI Ozone DOAS Product June 2006 Pepijn Veefkind.

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Presentation transcript:

Status of the OMI Ozone DOAS Product June 2006 Pepijn Veefkind

OMDOAO3 Status The current SW version is v The version v1.0.1 has been publicly released. In the public archive only v1.0.1 data can be found.

Highlights of v1.0.1 The SW uses a fixed irradiance; The L1B flags are treated differently; The cloud product (OMCLDO2 v1.0.1) is of better quality. New value of the albedo of snow covered areas is used (0.6). The cloud fraction is computed internally in the SW. New slit functions and solar spectra. Small bug fixes.

Known Issues in v1.0.1 SZA dependent bias with correlative data sets. Bias with correlative data sets of a few percent. Snow/ice areas.

Plans for next release 2006/2007 New AMF tables. Back to daily irradiance files. Improve treatment of snow/ice areas. Investigate different ozone cross sections. Bug fixes.