@InProceedings{CarvalhoGianCiotSald:2007:AvDaRa,
author = "Carvalho, Melissa and Gianesella, S{\^o}nia Maria Flores and
Ciotti, {\'A}urea Maria and Saldanha-Corr{\^e}a, Fl{\'a}via
Marisa Prado",
affiliation = "{Universidade de S{\~a}o Paulo (USP). Instituto
Oceanogr{\'a}fico (IO).} and {Universidade de S{\~a}o Paulo
(USP). Instituto Oceanogr{\'a}fico (IO).} and Universidade
Estadual Paulista, Campus do Litoral Paulista - SP and
{Universidade de S{\~a}o Paulo (USP). Instituto
Oceanogr{\'a}fico (IO).}",
title = "Avalia{\c{c}}{\~a}o de dados radiom{\'e}tricos para o
desenvolvimento de algoritmos emp{\'{\i}}ricos para estimativa
da concentra{\c{c}}{\~a}o de clorofila-a na Plataforma
Continental de Santos (SP)",
booktitle = "Anais...",
year = "2007",
editor = "Epiphanio, Jos{\'e} Carlos Neves and Galv{\~a}o, L{\^e}nio
Soares and Fonseca, Leila Maria Garcia",
pages = "4573--4580",
organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 13. (SBSR).",
publisher = "Instituto Nacional de Pesquisas Espaciais (INPE)",
address = "S{\~a}o Jos{\'e} dos Campos",
keywords = "chlorophyll-a, radiometry, continental shelf, Santos, bio-optics
algorithms, clorofila-a, radiometria, plataforma continental,
Santos, algoritmos bio-{\'o}pticos.",
abstract = "The available chlorophyll algorithms for chlorophyll-a estimates
using ocean color have low performance in coastal waters. The aim
of this work is to evaluate the performances of two global
algorithms OC4V4 (for SeaWiFS sensor) and OC3 (for MODIS), for
chlorophyll-a in the continental shelf off Santos Bay (SP,
Brazil). In situ chlorophyll concentration and ocean reflectance
in 40 stations performed in October 2005 and March 2006 were
compared. Spectral reflectances were averaged to simulate the
bands from the satellite sensors, allowing the assessment of
empirical algorithms. As expected, both showed low performances
(R2=0.42 for OC4V4 and R2= 0.37 for OC3). A multiple regression
analysis using four distinct band ratios produced a better fit
(Rē=0.76), suggesting a better regional algorithm (ACS) for use in
these turbid waters.",
conference-location = "Florian{\'o}polis",
conference-year = "21-26 abr. 2007",
isbn = "978-85-17-00031-7",
language = "pt",
organisation = "Instituto Nacional de Pesquisas Espaciais (INPE)",
ibi = "dpi.inpe.br/sbsr@80/2006/11.15.18.02",
url = "http://urlib.net/ibi/dpi.inpe.br/sbsr@80/2006/11.15.18.02",
targetfile = "4573-4580.pdf",
type = "Oceanografia",
urlaccessdate = "03 maio 2024"
}