Retrieval of surface albedo over the Railroad Valley playa from AVIRIS measurements
Abstract
High spatial resolution spectra, measured by the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) in the 0.76, 1.6 and 2.0 micron bands, are used to retrieve albedo over a bright desert surface in support of the GOSAT vicarious calibration campaign. The albedo retrieval consists of a simple, linear least squares (LLS) fitting routine, coupled with a radiative transfer model. The retrieved albedos are used as inputs to a separate radiative transfer code used to model top of the atmosphere (TOA) radiances. These TOA radiances are then compared to those measured by GOSAT, thus providing the basis for the vicarious calibration of the GOSAT sensors.
- Publication:
-
AGU Fall Meeting Abstracts
- Pub Date:
- December 2011
- Bibcode:
- 2011AGUFM.A33C0237T
- Keywords:
-
- 0360 ATMOSPHERIC COMPOSITION AND STRUCTURE / Radiation: transmission and scattering;
- 0394 ATMOSPHERIC COMPOSITION AND STRUCTURE / Instruments and techniques