Integration of X-SAR observations with data of other remote sensing techniques: preliminary results achieved with Cosmo/SkyMed announcement of opportunity projects

Francesco Vespe; Luca Baldini; Claudia Notarnicola; Claudio Prati; Susanna Zerbini; G. Celidonio

doi:10.1117/12.898302

17 November 2011 Integration of X-SAR observations with data of other remote sensing techniques: preliminary results achieved with Cosmo/SkyMed announcement of opportunity projects

Francesco Vespe, Luca Baldini, Claudia Notarnicola, Claudio Prati, Susanna Zerbini, G. Celidonio

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Proceedings Volume 8179, SAR Image Analysis, Modeling, and Techniques XI; 817907 (2011) https://doi.org/10.1117/12.898302
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

Abstract

The Italian Space Agency is funding 27 scientific projects in the framework of Cosmo/Skymed program (hereafter CSK) . A subset of them are focusing on the improvements of the quality and quantity of information which can be extracted from X-SAR data if integrated with other independent techniques like GPS or SAR imagery in L and C bands. The GPS observations, namely zenith total delays estimated by means of GPS ground stations, could be helpful to estimate the troposphere bias to remove from IN-SAR imagery. Another contribution of GPS could be the improvements of the orbits of Cosmo/SkyMed satellites. In particular the GPS navigation data of the CSK satellites could serve to improve the atmospheric drag models acting on them. The integration of SAR data in L and C bands on the other hand are helpful to investigate land hydrogeology parameters as well as to improve global precipitation observations. The combined use of L, C and X SAR data with different penetration depth could give profiles of land surface properties, especially in forest and snow/ice-packs. For what concern the use of X-SAR imagery for rain precipitation monitoring, particular attention will be paid to its polarimetric properties that we plan to determine aligning the CSK observations with those obtained with ground L and C radars. Anyway the study goals, the approaches proposed, the test sites identified and the external data selected for the development and validation will be described for each project. Particular attention will be paid to single the advantages that the research activities can benefit from the added potentials of CSK system: the more frequent revisiting time and the higher resolution capabilities.

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Francesco Vespe, Luca Baldini, Claudia Notarnicola, Claudio Prati, Susanna Zerbini, and G. Celidonio "Integration of X-SAR observations with data of other remote sensing techniques: preliminary results achieved with Cosmo/SkyMed announcement of opportunity projects", Proc. SPIE 8179, SAR Image Analysis, Modeling, and Techniques XI, 817907 (17 November 2011); https://doi.org/10.1117/12.898302

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KEYWORDS

Global Positioning System

Synthetic aperture radar

Radar

X band

Troposphere

Satellites

Signal attenuation

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