Sunglint observations over land from ground and airborne L-band radiometer data

Maria-José Escorihuela (1) , Khaldoun Saleh (2) , Philippe Richaume (3) , Olivier Merlin (3) , J. P. Walker (4) , Yann H. Kerr (3)

1 isardSAT
2 Department of Geography [Cambridge, UK]
3 CESBIO - Centre d'études spatiales de la biosphère
4 University of Melbourne

This study quantifies the effects of Sun reflection over land surfaces on radiometric measurements at L-band. The impact of the reflected Sun on radiometric measurements over a grass field and over an agricultural area reached 25 K and 17 K respectively. A model that predicts the impact of Sun reflection over land is developed and tested for two different radiometer configurations and spatial resolutions.

Mots clés: L-band radiometry; sun reflection; land surfaces

Domaines: Géophysique [physics.geo-ph]

Maria-José Escorihuela, Khaldoun Saleh, Philippe Richaume, Olivier Merlin, J. P. Walker, et al.. Sunglint observations over land from ground and airborne L-band radiometer data. Geophysical Research Letters, 2008, 35 (20), pp.L20406. ⟨10.1029/2008GL035062⟩. ⟨hal-00335847⟩