Retrieval of surface reflectance from Resourcesat-2 AWiFS, LISS-3, and LISS-4 data using SACRS2 scheme
Multispectral, Hyperspectral, and Ultraspectral Remote Sensing …, 2016•spiedigitallibrary.org
Satellite based multispectral imagery contains various quantitative information related to
surface and atmosphere. To extract the accurate information about surface, we need to
correct atmospheric influence which is introduced by the atmosphere. Atmospheric
correction of multispectral satellite imagery is an important prerequisite to derive
geophysical parameters from satellite data. In this study surface reflectance is retrieved
using the Scheme for Atmospheric Correction of Resourcesat-2 (SACRS2). The SACRS2 is …
surface and atmosphere. To extract the accurate information about surface, we need to
correct atmospheric influence which is introduced by the atmosphere. Atmospheric
correction of multispectral satellite imagery is an important prerequisite to derive
geophysical parameters from satellite data. In this study surface reflectance is retrieved
using the Scheme for Atmospheric Correction of Resourcesat-2 (SACRS2). The SACRS2 is …
Satellite based multispectral imagery contains various quantitative information related to surface and atmosphere. To extract the accurate information about surface, we need to correct atmospheric influence which is introduced by the atmosphere. Atmospheric correction of multispectral satellite imagery is an important prerequisite to derive geophysical parameters from satellite data. In this study surface reflectance is retrieved using the Scheme for Atmospheric Correction of Resourcesat-2 (SACRS2). The SACRS2 is physics based atmospheric correction scheme developed at Space Applications Centre (SAC), ISRO based on radiative transfer model 6SV (The Second Simulation of the Satellite Signal in the Solar Spectrum vector version). SACRS2 method is easily applicable for atmospheric correction of multispectral data. A detail analysis has been carried out to retrieve surface reflectance from Resourcesat-2 AWiFS, LISS-3 and LISS-4 data using SACRS2 method. The retrieved surface reflectance from SACRS2 for AWiFS, LISS-3 and LISS-4 have been compared with in-situ measurements. The comparison showed a good match of reflectance derived by SACRS2 scheme with the in-situ measurements.
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