Rotta, L. H. da S.; Alcântara, E. H. de; Watanabe, F. S. Y.; Rodrigues, T. W. P.; Imai, N. N.: Atmospheric correction assessment of SPOT-6 image and its influence on models to estimate water column transparency in tropical reservoir. Remote Sensing Applications: Society and Environment, 4 , pp. 158–166, 2016, ISSN: 2352-9385.(Tipo: Journal Article | Resumo | Links | BibTeX | Tags: algorithm, atmospheric correction, imagens, models, reservoir, spot, transparency, tropical reservoir, water column)
@article{ROTTA2016158,
title = {Atmospheric correction assessment of SPOT-6 image and its influence on models to estimate water column transparency in tropical reservoir},
author = {Luiz Henrique da Silva Rotta and Enner Herenio de Alcântara and Fernanda Sayuri Yoshino Watanabe and Thanan Walesza Pequeno Rodrigues and Nilton Nobuhiro Imai},
doi = {10.1016/j.rsase.2016.09.001},
issn = {2352-9385},
year = {2016},
date = {2016-01-01},
journal = {Remote Sensing Applications: Society and Environment},
volume = {4},
pages = {158--166},
abstract = {Remote sensing images have been increasingly used by its ability to collect data from extensive areas in a short time and with relatively low cost. Studies conducted in aquatic environments require great attention in relation to atmospheric correction, since the signal leaving water bodies is strongly attenuated. The present work aimed to assess the atmospheric correction of SPOT-6 image based on the variation of initial visibility parameter in FLAASH and analyze its influence on models to estimate Secchi depth (SD) and diffuse attenuation coefficient (Kd). The study was carried out in Nova Avanhandava Reservoir, which belongs to the chain of the Tietê River reservoirs (São Paulo, Brazil). The models calibration was based on remote sensing reflectance (Rrs) of simulated SPOT bands from data collected in the field. The best models were obtained using the band ratio Rrs(560nm)/Rrs(660nm) for SD (R2=92},
keywords = {algorithm, atmospheric correction, imagens, models, reservoir, spot, transparency, tropical reservoir, water column},
pubstate = {published},
tppubtype = {article}
}
Remote sensing images have been increasingly used by its ability to collect data from extensive areas in a short time and with relatively low cost. Studies conducted in aquatic environments require great attention in relation to atmospheric correction, since the signal leaving water bodies is strongly attenuated. The present work aimed to assess the atmospheric correction of SPOT-6 image based on the variation of initial visibility parameter in FLAASH and analyze its influence on models to estimate Secchi depth (SD) and diffuse attenuation coefficient (Kd). The study was carried out in Nova Avanhandava Reservoir, which belongs to the chain of the Tietê River reservoirs (São Paulo, Brazil). The models calibration was based on remote sensing reflectance (Rrs) of simulated SPOT bands from data collected in the field. The best models were obtained using the band ratio Rrs(560nm)/Rrs(660nm) for SD (R2=92