Jos H.G.M. van Geffen and Roeland F. van Oss
Applied Optics 42, 2739-2753 (2003).
The new wavelength calibration method can be used on any wavelength window, for example to improve the calibration of spectra from the GOME Data Processor (GDP). A software package called GomeCal which performs this re-calibration, along with an improved polarisation and radiometric correction, has been made and is released via the WWW. The method can be used for any high-resolution (ir)radiance spectrometer, such as the satellite instruments SCIAMACHY, OMI and GOME-2.
Abstract 1. Introduction 1.1 GOME Fast Delivery Service 1.2 Wavelength calibration 2. The wavelength calibration method 2.1 The reference spectrum 2.2 The wavelength grid 2.3 The calibration procedure 2.4 Scaling the spectra 3. Wavelength calibration in the EGOI windows 3.1 Wavelength window 9 3.2 Initial wavelength grid 3.3 Re-calibration of GDP spectra 3.4 Simulated GOME earthshine spectra 3.5 Accuracy of the calibration method 3.6 Systematic offset 3.7 Variation of the calibration results along orbits and in time 4. The GomeCal package: re-calibraton of GDP spectra 4.1 Wavelength re-calibration in GomeCal 4.2 Other corrections in GomeCal 5. Concluding remarks Acknowledgements ReferencesNote: Section 4 introduces the GomeCal package; see the GomeCal home page
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