Interpolating MERIS and GPS measurements of precipitable water vapour (PWV) to estimate atmospheric phase delay maps

P. Mateus; G. Nico; J. Catalão

doi:10.1117/12.864731

28 October 2010 Interpolating MERIS and GPS measurements of precipitable water vapour (PWV) to estimate atmospheric phase delay maps

P. Mateus, G. Nico, J. Catalão

Author Affiliations +

Proceedings Volume 7827, Remote Sensing of Clouds and the Atmosphere XV; 782713 (2010) https://doi.org/10.1117/12.864731
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

Atmosphere water vapour remains the largest limitation in high precision applications that make use of microwave signals as Interferometric Synthetic Aperture Radar (InSAR). In the last decade several methods like GPS (Global Positioning System), MERIS (MEdium Resolution Imaging Spectrometer) and NWP (Numerical weather prediction) models were studied with the aim of obtaining a reliable water vapour product of high spatial and temporal resolution to reduce the impact that the water vapour have on microwave signals. Water vapour product derived from the optical sensor MERIS may be used to mitigate the troposphere effects in applications like InSAR and used to improve NWP models. In this paper the water vapour derived from MERIS and GPS are compared, and a methodology to combine GPS and MERIS is present.

Citation Download Citation

P. Mateus, G. Nico, and J. Catalão "Interpolating MERIS and GPS measurements of precipitable water vapour (PWV) to estimate atmospheric phase delay maps", Proc. SPIE 7827, Remote Sensing of Clouds and the Atmosphere XV, 782713 (28 October 2010); https://doi.org/10.1117/12.864731

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