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Algorithms development to retrieve water quality parameters from space


The water quality monitoring from space, in Brazil, still a challenge mainly because the integrated studies are non-existent, in different types of inland waters. The majority of studies conducted in Brazil are fragmented, with little interaction between researchers that works in the same theme. Owing that a lot of algorithms are developed, isolated, which often can't be applied directly in different aquatic systems in which the algorithms were calibrated. This occurs mainly because those algorithms have an empirical base, which are locally limited. To overcome these limitations we propose in this project the development of a semi-analytical scheme, which will be based on the Quasi-Analytical Algorithm (QAA); in order to have lower errors the QAA will be re-parameterized using in situ data from our studied reservoirs. This scheme should allow us to estimate the water quality parameters from space, improving the water resources management and monitoring using satellite images. (AU)

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Scientific publications (9)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BERNARDO, NARIANE; DO CARMO, ALISSON; PARK, EDWARD; ALCANTARA, ENNER. Retrieval of Suspended Particulate Matter in Inland Waters with Widely Differing Optical Properties Using a Semi-Analytical Scheme. REMOTE SENSING, v. 11, n. 19, . (15/21586-9, 12/19821-1, 19/00259-0, 15/18525-8)
ROTTA, LUIZ; ALCANTARA, ENNER; PARK, EDWARD; BERNARDO, NARIANE; WATANABE, FERNANDA. A single semi-analytical algorithm to retrieve chlorophyll-a concentration in oligo-to-hypereutrophic waters of a tropical reservoir cascade. ECOLOGICAL INDICATORS, v. 120, . (19/00259-0)
RODRIGUES, THANAN; ALCANTARA, ENNER; ROTTA, LUIZ; BERNARDO, NARIANE; WATANABE, FERNANDA. An investigation into the relationship between light absorption budget and trophic status in inland waters. ECOLOGICAL INDICATORS, v. 115, . (15/21586-9, 12/19821-1, 19/00259-0)
SILVA ROTTA, LUIZ HENRIQUE; ALCANTARA, ENNER; PARK, EDWARD; NEGRI, ROGERIO GALANTE; LIN, YUNUNG NINA; BERNARDO, NARIANE; GONCALVES MENDES, TATIANA SUSSEL; SOUZA FILHO, CARLOS ROBERTO. The 2019 Brumadinho tailings dam collapse: Possible cause and impacts of the worst human and environmental disaster in Brazil. International Journal of Applied Earth Observation and Geoinformation, v. 90, . (18/01033-3, 19/00259-0)
CONTADOR, THAIS MIIKE; ALCANTARA, ENNER; RODRIGUES, THANAN; PARK, EDWARD. Remote sensing of water transparency variability in the Ibitinga reservoir during COVID-19 lockdown. REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT, v. 22, . (19/00259-0)
WATANABE, FERNANDA S. Y.; MIYOSHI, GABRIELA T.; RODRIGUES, THANAN W. P.; BERNARDO, NARIANE M. R.; ROTTA, LUIZ H. S.; ALCANTARA, ENNER; IMAI, NILTON N.. Inland water's trophic status classification based on machine learning and remote sensing data. REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT, v. 19, . (15/21586-9, 12/19821-1, 13/09045-7, 19/00259-0)
ALCANTARA, ENNER; COIMBRA, KEYLA; OGASHAWARA, IGOR; RODRIGUES, THANAN; MANTOVANI, JOSE; ROTTA, LUIZ HENRIQUE; PARK, EDWARD; CUNHA, DAVI GASPARINI FERNANDES. A satellite-based investigation into the algae bloom variability in large water supply urban reservoirs during COVID-19 lockdown. REMOTE SENSING APPLICATIONS-SOCIETY AND ENVIRONMENT, v. 23, . (19/00259-0)
BERNARDO, NARIANE; CARMO, ALISSON; ROTTA, LUIZ; ALCANTARA, ENNER. Single tuned algorithm to estimate the SPM concentration in a cascade reservoir system using OLI/L8 images. Advances in Space Research, v. 66, n. 11, p. 2583-2596, . (19/00259-0)
GOMES, ANA CAROLINA; ALCANTARA, ENNER; RODRIGUES, THANAN; BERNARDO, NARIANE. Satellite estimates of euphotic zone and Secchi disk depths in a colored dissolved organic matter-dominated inland water. ECOLOGICAL INDICATORS, v. 110, . (15/21586-9, 12/19821-1, 19/00259-0)

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