Publications | LabISA

Mapping of cyanobacteria in the promiss�o reservoir by multispectral and hypersectral images

O monitoramento, detec��o e quantifica��o de flora��es de cianobact�rias s�o importantes para controlar os riscos � sa�de p�blica e ...

Thainara Munhoz de Lima

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Estimation of annual trophic state index distribution of a tropical reservoir using landsat imagery time series

The eutrophication of reservoirs significantly impacts human health and environmental security. However, in situ water quality ...

Raianny Leite do Nascimento Wanderley, Rejane de Souza Paulino, Daniel de Andrade Maciel, Claudio Clemente de Faria Barbosa, Evlyn M�rcia Le�o de Moraes Lobo, Leonardo Moreno Domingues

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Machine learning classification of trophic state index from sentinel-2 MSI image

Trophic State Index (TSI) is a widely used metric to assess water quality and identify potential health risks for water resources use. ...

Ana Clara da Cruz Silva, Carina In�cio Portela, Raianny Leite Nascimento Wanderley, Daniel Andrade Maciel, Cl�udio Clemente Faria Barbosa, Rejane de Souza Paulino, Gabriel da Silva, Vitor Souza Martins

Impact of the expansion of urban impervious surfaces on cyanobacterial bloom in the Billing reservoir

This paper aims to apply the digital processing of satellite images to assess the relationship between the expansion of impermeable ...

Thainara Munhoz Alexandre de Lima, R�mulo Marques, Claudio Clemente Faria Barbosa, Cl�udia de Almeida, Thales Sehn K�rting

Atmospheric correction methods for the retrieval of the orange contra-band from multispectral data

The purpose of this work is to evaluate two methods of atmospheric correction (AC) applied to multispectral images from the Operational ...

Rafael Grinberg Chales, Matheus de Souza Pinto Oliveira, Felipe Nincao Begliomini, Daniel Andrade Maciel, Cl�udio Clemente Faria Barbosa, Cl�udia Maria De Almeida, Thainara Munhoz Alexandre de Lima

Atmospheric correction methods for the retrieval of the orange contra-band from multispecrtal data

The purpose of this work is to evaluate two methods of atmospheric correction (AC) applied to multispectral images from the Operational ...

Rafael Chalses, Matheus de Souza Pinto Oliveira, Claudio Clemente Faria Barbosa, Daniel Andrade Maciel, Cl�udia de Almeida, Thainara Munhoz Alexandre de Lima, Felipe Nincao Begliomini

Assessment of Estimated Phycocyanin and Chlorophyll-a Concentration from PRISMA and OLCI in Brazilian Inland Waters

The aim of this work is to test the state-of-the-art of water constituent retrieval algorithms for phycocyanin (PC) and chlorophyll-a ...

Thainara Munhoz Alexandre de Lima, Claudia Giardino, Mariano Bresciani, Claudio Clemente Faria Barbosa, Alice Fabbretto, Andrea Pellegrino, Felipe Nincao Begliomini

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GLORIA - A globally representative hyperspectral in situ dataset for optical sensing of water quality

The development of algorithms for remote sensing of water quality (RSWQ) requires a large amount of in situ data to account for the ...

Moritz Lehmann, Daniela Gurlin, Nima Pahlevan, Krista Alikas, Ted Conroy, Janet Anstee, Sundarabalan Balasubramanian, Cl�udio Barbosa, Caren Binding, Astrid Brancher, Mariano Bresciani, Ashley Burtner, Zhigang Cao, Arnold Dekker, Courtney Di Vittorio, Nathan Drayson, Reagan Errea, Viginia Fernandez, Dariusz Ficek, C�dric G. Fichot, Peter Gege, Claudia Giardino, Anatoly Gitelson, Steven Greb, Hayden Henderson, Hiroto Higa, Abolfazl Rahaghi, C�dric Jamet, Darlin Jiang, Thomas Jordan, Kersit Kangro, Jeremy Kravitz, Arne Krustiffersen, Raphael Kudela, Lin Li, Martin Ligi, Hubert Loi, Steven Lohrenz, Ronghua Ma, Daniel Maciel, Tim Malthus, Bunkei Matsushita, Mark Matthews, Camille Minaudo, Deepak Mishra, Sachidanada Mishra, Tim Moore, Wesley Moses, H� Nguyen, Evlyn Novo, St�fani Novo, Daniel Odermatt, David O’Donnell, Leif Olmanson, Michael Ondrusek, Natascha Oppelt, Sylvain Ouillon, Waterloo Filho, Stefan Spalttner, Antonio Verd�, Salem Salem, John Schalles, Stefan Simis, Eko Siswanto, Brandon Smith, Lan Somlai-Schweiger, Mariana Soppa, Evangelos Spyrakos, Elinor Tessin, Hendrik Woerd, Andrea Woude, Ryan Vandermeulen, Vincent Vantrepotte, Marcel Wernand, Mortimer Werther, Kyana Young, Linwei Yue

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Cyanobacteria monitoring on urban reservoirs using hyperspectral orbital remote sensing data and machine learning. Disserta��o

Os reservat�rios urbanos oferecem importantes servi�os ecossist�micos. Contudo, esses sistemas aqu�ticos t�m a qualidade de suas �guas ...

Felipe Nincao Begliomini

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Assessment of Adjacency Correction over Inland Waters Using Sentinel-2 MSI Images

Satellite remote sensing data have been used for water quality mapping, but accurate water reflectance retrieval is dependent on ...

Rejane S. Paulino, Vitor S. Martins, Evlyn M. L. M. Novo, Claudio C. F. Barbosa, Lino A. S. de Carvalho, Felipe N. Begliomini

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Hybrid Semi-Analytical Algorithm for Estimating Chlorophyll-A Concentration in Lower Amazon Floodplain Waters

The Amazon Basin is the largest on the planet, and its aquatic ecosystems affect and are affected by the Earth's processes. ...

Rog�rio Flores J�nior, Claudio Clemente Faria Barbosa, Daniel Andrade Maciel, Evlyn Marcia Le�o de Moraes Novo, Vitor Souza Martins, Felipe de Lucia Lobo, Lino Augusto Sander de Carvalho, Felipe Menino Carlos

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The adjacency effect on inland water reflectance: occurrence and correction

Satellite remote sensing data are a key source for the systematic monitoring of inland waters. The current availability of medium and ...

Rejane de Souza Paulino

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Simultaneous retrieval of selected optical water quality indicators from Landsat-8, Sentinel-2, and Sentinel-3

Constructing multi-source satellite-derived water quality (WQ) products in inland and nearshore coastal waters from the past, present, ...

Nima Pahlevan, Brandon Smith, Krista Alikas, Janet Anstee, Claudio Barbosa, Caren Binding, Mariano Bresciani, Bruno Cremella, Claudia Giardino, Daniela Gurlin, Virginia Fernandez, C�dric Jamet, Kersti Kangro, Moritz K. Lehmann, Hubert Loisel, Bunkei Matsushita, Nguy�n H�, Leif Olmanson, Antonio Ruiz-Verd�

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Water clarity in Brazilian water assessed using Sentinel-2 and machine learning methods

Secchi Disk Depth (Zsd) is one of the widely used water quality measurements. Controlled by variations in Optically Active ...

Daniel Andrade Maciel, Claudio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, Rog�rio Flores J�nior, Felipe Nincao Begliomini

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Phytoplankton Genera Structure Revealed from the Multispectral Vertical Diffuse Attenuation Coefficient

The composition of phytoplankton and the concentration of pigments in their cells make their absorption and specific absorption ...

Cleber Nunes Kraus, Daniel Andrade Maciel, Marie Paule Bonnet, Evlyn M�rcia Le�o de Moraes Novo

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Land-use intensity of official mineral extraction in the Amazon region: Linking economic and spatial data

The Amazon region has suffered considerable deforestation rates related to logging, cattle ranching, and agriculture. Recently, ...

Pedro Walfir M. Souza-Filho, Felipe de Lucia Lobo, Rosane Barbosa Lopes Cavalcante, Jos� Aroudo Mota, Wilson da Rocha Nascimento Jr., Diogo C. Santos, Evlyn M. L. M. Novo, Claudio Clemente Faria Barbosa, Jos� O. Siqueira

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Impacts of meander migration on the Amazon riverine communities using Landsat time series and cloud computing

River meander migration is a process that maintains biodiverse riparian ecosystems by producing highly sinuous rivers, and oxbow lakes. ...

Gustavo Willy Nagel, Evlyn Marcia Le�o de Moraes Novo, Vitor Souza Martins, Jo�o Vitor Campos-Silva, Claudio Clemente Faria Barbosa, Marie Paule Bonnet

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Amazon hydrology from space: scientific advances and future challenges

As the largest river basin on Earth, the Amazon is of major importance to the world’s climate and water resources. Over the past ...

Alice C�sar Fassoni-Andrade, Ayan Santos Fleischmann, Fabrice Papa, Rodrigo Cauduro Dias de Paiva, Sly Wongchuig, John M. Melack, Adriana Aparecida Moreira, Adrien Paris, Anderson Ruhoff, Claudio Barbosa, Daniel Andrade Maciel, Evlyn Novo, Fabien Durand, Fr�d�ric Frappart, Filipe Aires, Gabriel Medeiros Abrah�o, Jefferson Ferreira-Ferreira, Jhan Carlo Espinoza, Leonardo Laipelt, Marcos Heil Costa, Raul Espinoza-Villar, St�phane Calmant, Victor Pellet

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AlgaeMap - Algae Bloom Monitoring Application for Inland Waters in Latin America

Due to increasing algae bloom occurrence and water degradation on a global scale, there is a demand for water quality monitoring ...

Felipe de Lucia Lobo, Gustavo Willy Nagel, Daniel Andrade Maciel, Lino Augusto Sander de Carvalho, Vitor Souza Martins, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Alert System for Algae Bloom Detection in Inland Waters of Latin America: An Ongoing Project

As part of a collaborative effort among researchers of several institutions and organizations, this project takes advantage of the ...

F. L. Lobo, G. Nagel, D. A. Maciel, A. Ferral, A. German, L. S. Carvalho, V. Martins, C. C. F. Barbosa, E.M. Novo, M. Fernandez, V. Fernandez, J. S. Yunes, G. L. Collares, S. Greb, G. Beltramone, L. Piedra-Castro, W. Pereira Filho, E. Montoya, M. Scavuzzo, M. S. Sanchez, M. Shimoni

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ACIX-Aqua: A global assessment of atmospheric correction methods for Landsat-8 and Sentinel-2 over lakes, rivers, and coastal waters

Atmospheric correction over inland and coastal waters is one of the major remaining challenges in aquatic remote sensing, often ...

Nima Pahlevan, Antoine Mangin, Sundarabalan V Balasubramanian, Brandon Smith, Krista Alikas, Kohei Arai, Claudio Barbosa, Simon B�langer, Caren Binding, Mariano Bresciani, others

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A machine learning approach for monitoring Brazilian optical water types using Sentinel-2 MSI

Optical Water Type (OWT) is a useful parameter for assessing water quality changes related to different turbidity levels, trophic state ...

Edson Filisbino Freire da Silva, Evlyn M�rcia Le�o de Moraes Novo, Felipe de Lucia Lobo, Cl�udio Clemente Faria Barbosa, Carolline Tressmann Cairo, Mauricio Almeida Noernberg, Luiz Henrique da Silva Rottae

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A Chlorophyll-a Algorithm for Landsat-8 Based on Mixture Density Networks

Retrieval of aquatic biogeochemical variables, such as the near-surface concentration of chlorophyll-a (Chla) in inland and coastal ...

B Smith, N Pahlevan, J Schalles, S Ruberg, R Errera, R Ma, C Giardino, M Bresciani, C Barbosa, T Moore, others

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Using optical water types for satellite monitoring of brazilian inland waters

One of the key issues of monitoring inland water quality is spatial-temporal sampling because water quality can rapidly change due to ...

Edson Filisbino Freire da Silva

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Use of optical absorption indices to assess seasonal variability of dissolved organic matter in Amazon floodplain lakes

Given the importance of dissolved organic matter (DOM) in the carbon cycling of aquatic ecosystems, information on its seasonal ...

Maria Paula da Silva, Lino Augusto Sander de Carvalho, Evlyn M�rcia Le�o de Moraes Novo, Daniel Schaffer Ferreira Jorge, Cl�udio Clemente Faria Barbosa

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Parametriza��o de algoritmos semi-anal�ticos para estimativa do coeficiente de atenua��o difusa da �gua (kd) do reservat�rio de Tr�s Marias/MG por sensoriamento remoto

Reservat�rios s�o ambientes aqu�ticos constru�dos pelo homem de grande import�ncia ambiental, positiva e negativamente, pois pela ...

Victor Pedroso Curtarelli

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Optical water types found in Brazilian waters

Edson Filisbino Freire da Silva, Evlyn M�rcia Le�o de Moraes Novo, Felipe de Lucia Lobo, Claudio Clemente Faria Barbosa, Mauricio Almeida Noernberg, Luiz Henrique da Silva Rotta, Carolline Tressmann Cairo, Daniel Andrade Maciel, Rog�rio Flores J�nior

Nanosatellites applied to optical Earth observation: a review

Nanosatellites and CubeSats were first developed for educational purposes. However, their low cost and short development cycle made ...

Gustavo Willy Nagel, Evlyn M�rcia Le�o de Moraes Novo, Milton Kampel

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Modelagem da concentra��o de clorofila-a em um ecossistema aqu�tico continental do semin�rio brasileiro baseada em sensoriamento remoto.

Os dados de sensoriamento remoto s�o essenciais para se avaliar processos de natureza din�mica em sistemas aqu�ticos continentais, tais ...

Fernando Bezerra Lopes, Cl�udio Clemente Faria Barbosa, Evlyn Marcia Le�o de Moraes Novo, Lino Augusto Sander de Carvalho, Eunice Maia de Andrade, Adunias dos Santos Teixeira

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Mapping of diffuse attenuation coefficient in optically complex waters of amazon floodplain lakes

The modeling of underwater light field is essential for the understanding of biogeochemical processes, such as photosynthesis, carbon ...

Daniel Andrade Maciel, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, Nagur Cherukuru, Vitor Souza Martins, Rog�rio Flores J�nior, Daniel Schaffer Jorge, Lino Augusto Sander de Carvalho, Felipe Menino Carlos

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Hybrid chlorophyll-a algorithm for assessing trophic states of a tropical brazilian reservoir based on MSI/Sentinel-2 data

Using remote sensing for monitoring trophic states of inland waters relies on the calibration of chlorophyll-a (chl-a) bio-optical ...

Carolline Tressmann Cairo, Cl�udio Clemente Faria Barbosa, Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo, Felipe Menino Carlos, Daniel Andrade Maciel, Rog�rio Flores Junior, Edson Filisbino Freire da Silva, Victor Pedroso Curtarelli

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High-resolution mapping of floodplain topography from space: A case study in the Amazon

Terrain elevation is essential for land management, navigation, and earth science applications. Remote sensing advancements have led ...

Alice C�sar Fassoni Andrade, Rodrigo Cauduro Dias de Paiva, Conrado de Moraes Rudorff, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Evaluating the potential of CubeSats for remote sensing reflectance retrieval over inland waters

Remote sensing plays an important role in the monitoring of inland waters. Recently, Cubesats have become an alternative data source ...

Daniel Andrade Maciel, Evlyn M�rcia Le�o de Moraes Novo, Cl�udio Clemente Faria Barbosa, Vitor Souza Martins, Rog�rio Flores J�nior, Afonso Henrique Oliveira, Lino Augusto Sander de Carvalho, Felipe de Lucia Lobo

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Diffuse attenuation of clear water tropical reservoir: a remote sensing semi-analytical approach

The diffuse attenuation coefficient of downwelling irradiance (Kd) is an essential parameter for inland waters research by remotely ...

Victor Pedroso Curtarelli, Cl�udio Clemente Faria Barbosa, Daniel Andrade Maciel, Rog�rio Flores J�nior, Felipe Menino Carlos, Evlyn M�rcia Le�o de Moraes Novo, Marcelo Pedroso Curtarelli, Edson Filisbino Freire da Silva

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Abordagem h�brida aplicada ao monitoramento sistem�tico do estado tr�fico da �gua por sensoriamento remoto em reservat�rios: reservat�rio da UHE Ibitinga/SP

O uso do sensoriamento remoto (SR) para o monitoramento do estado tr�fico de �guas interiores depende da calibra��o de algoritmos ...

Carolline Tressmann Cairo

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A parameterization strategy for hydrodynamic modelling of a cascade of poorly monitored reservoirs in Brazil

The scarcity of long time-series of water temperature for tropical reservoirs, usually available at a low frequency of measurements, ...

Laura Melo Vieira Soares, Maria do Carmo Calijuri, Talita Fernanda das Gra�as Silva, Evlyn M�rcia Le�o de Moraes Novo, Carolline Tressmann Cairo, Cl�udio Clemente Faria Barbosa

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Water transparency in a brazilian reservoir

Water transparency is regularly monitored in water reservoirs due to its known relationship with phytoplankton biomass and algal ...

Victor Pedroso Curtarelli, Edson Filisbino Freire da Silva, Felipe de Lucia Lobo, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Turbidity distribution in a subtropical estuary: the estuarine complex of Paranagu�

Turbidity has an essential role in aquatic systems, controlling phytoplankton biomass and pelagic fauna distribution. Therefore, the ...

Edson Filisbino Freire da Silva, Ligia Ferreira Granja da Luz, Cl�udio Clemente Faria Barbosa, Mauricio Almeida Noernberg

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Sistema semi-autom�tico de corre��o atmosf�rica para multi-sensores orbitais

A acur�cia da corre��o atmosf�rica para o monitoramento de sistemas aqu�ticos � extremamente importante, por estes ambientes ...

Felipe Menino Carlos, Vitor de Souza Martins, Cl�udio Clemente Faria Barbosa

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Retrieving total and inorganic suspended sediments in Amazon floodplain lakes: a multisensor approach

Remote sensing imagery are fundamental to increasing the knowledge about sediment dynamics in the middle-lower Amazon floodplains. ...

Daniel Andrade Maciel, Evlyn M�rcia Le�o de Moraes Novo, Lino Augusto Sander de Carvalho, Cl�udio Clemente Faria Barbosa, Rog�rio Flores J�nior, Felipe de Lucia Lobo

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Remote sensing of large reservoir in the drought years: Implications on surface water change and turbidity variability of Sobradinho reservoir (Northeast Brazil)

Sobradinho reservoir has been suffering a severe water loss caused by multi-year drought in the Northeast Brazil. This reservoir ...

Vitor S. Martins, Amy Kaleita, Cl�udio Clemente Faria Barbosa, Alice C. Fassoni-andrade, Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo

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Rela��o entre o total de s�lidos suspensos em corpos h�dricos do Alto Rio Paran� e imagens MSI/Sentinel-2: estudo preliminar

Imagens do sensor Sentinel-2/MSI, lan�ado em 2015, apresentam caracter�sticas promissoras para o monitoramento da qualidade d�gua. ...

Rodrigo Blaudt Lima da Silva, Ot�vio Cristiano Montanher, Evlyn M�rcia Le�o de Moraes Novo, Cl�udio Clemente Faria Barbosa, Daniel Andrade Maciel, Felipe Menino Carlos

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Quantifica��o remota da concentra��o de s�lidos totais e inorg�nicos em suspens�o em lagos da plan�cie de inunda��o do Baixo Amazonas: uma abordagem multi-sensor

A utiliza��o de imagens de sensoriamento remoto � de fundamental import�ncia para aumentar o conhecimento sobre a din�mica da troca ...

Daniel Andrade Maciel

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Proposta de um sistema de monitoramento integrado da qualidade das �guas continentais com imagens de sat�lites: MAPAQUALI

Devido � crise da quantidade e qualidade da �gua que se observa em v�rias regi�es do mundo, inclusive no Brasil, o monitoramento das ...

Felipe de Lucia Lobo, Cl�udio Clemente Faria Barbosa, Lino Sander de Carvalho, Felipe Menino Carlos, Evlyn M�rcia Le�o de Moraes Novo, Edson Filisbino Freire da Silva

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Parametriza��o de algoritmos emp�ricos e algoritmo quasi-anal�tico QAA para estimativa de clorofila-a em lagos da v�rzea do rio Amazonas

O monitoramento sistem�tico, essencial para a manuten��o dos servi�os ecossist�micos, visa auxiliar na gest�o, manuten��o e ...

Rog�rio Flores J�nior

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Modeling suspended sediments in amazon foodplains using orbital moderate resolution sensors

Remote sensing (RS) images can improve the knowledge on the exchanges of sediment between the main rivers and floodplains as it ...

Daniel Andrade Maciel, Rog�rio Flores J�nior, Carolline Tressmann Cairo, Lino Augusto Sander de Carvalho, Felipe de L�cia Lobo, Felipe Menino Carlos, Vitor Souza Martins, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Estimativa da concentra��o da clorofila-a no reservat�rio de Ibitinga/SP: resultados preliminares

Alguns estudos t�m mostrado que os modelos emp�ricos usados para estimar a concentra��o da chl-a por sensoriamento remoto em sistemas ...

Carolline Tressmann Cairo, Daniel Andrade Maciel, Rog�rio Flores J�nior, Felipe Menino Carlos, Cl�udio Clemente Faria Barbosa, Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo

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Comparison for chlorophyll: a remote sensing retrieval algorithms based on standard laboratory procedures and on in-situ absorption measurements

Water quality monitoring is vital to guaranty endless water resources to the human population. In that sense, orbital remote sensing ...

Lino Augusto Sander de Carvalho, Cl�udio Clemente Faria Barbosa, Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo

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Assessment of satellite algorithms for deriving chlorophyll-a from turbid waters of Amazon floodplain lakes

The Amazon floodplain represents one of the most important terrestrial ecosystems being a highly complex and dynamic environment, ...

Rog�rio Flores J�nior, Daniel Andrade Maciel, Carolline Tressmann Cairo, Felipe Menino Carlos, Felipe de Lucia Lobo, Lino Augusto Sander de Carvalho, Evlyn M�rcia Le�o de Moraes Novo, Cl�udio Clemente Faria Barbosa

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An evaluation of image fusion applied to inland and coastal waters

Image fusion algorithms can be used to increase the spatial resolution of images. Therefore, evaluate the performance of fusion ...

Ana Carolina Calderaro Carvalho Silva, Edson Filisbino Freire da Silva, Victor Pedroso Curtarelli, Thales Sehn K�rting, Lino Augusto Sander de Carvalho

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Seasonal and interannual assessment of cloud cover and atmospheric constituents across the Amazon (2000-2015): Insights for remote sensing and climate analysis

Vitor Souza Martins, Evlyn M�rcia Le�o de Moraes Novo, Alexei Lyapustin, Luiz Eduardo Oliveira e Cruz de Arag�o, Saulo R Freitas, Cl�udio Clemente Faria Barbosa

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Optical types of inland and coastal waters

Inland and coastal waterbodies are critical components of the global biosphere. Timely monitoring is necessary to enhance our ...

Evangelos Spyrakos, Ruth O'Donnell, Peter D. Hunter, Claire Miller, Marian Scott, Stefan G. H. Simis, Claire Neil, Cl�udio Clemente Faria Barbosa, Caren E. Binding, Shane Bradt, Mariano Bresciani, Giorgio Dall'Olmo, Claudia Giardino, Anatoly A. Gitelson, Tiit Kutser, Lin Li, Bunkei Matsushita, Victor Martinez-Vicente, Mark W. Matthews, Igor Ogashawara, Antonio Ruiz-Verdu, John F. Schalles, Emma Tebbs, Yunlin Zhang, Andrew N. Tyler

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Modelos de sensoriamento remoto no estudo da variabilidade espacial e sazonal da mat�ria org�nica dissolvida em lagos da plan�cie de inunda��o do Solim�es/Amazonas a partir de suas propriedades �ticas

O pulso de inunda��o dos rios da plan�cie Amaz�nica afeta a propor��o de Mat�ria Org�nica Dissolvida (MOD) aut�ctone e al�ctone ...

Maria Paula da Silva

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Modelling the effects of historical and future land cover changes on the hydrology of an Amazonian basin

Land cover changes (LCC) affect the water balance (WB), changing surface runoff (SurfQ), evapotranspiration (ET), groundwater (GW) ...

Camila Andrade Abe, Felipe de Lucia Lobo, Yonas Berhan Dibike, Maycira Pereira de Farias Costa, Vanessa dos Santos, Evlyn M�rcia Le�o de Moraes Novo

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Mapping mining areas in the Brazilian amazon using MSI/Sentinel-2 imagery (2017)

Although mining plays an important role for the economy of the Amazon, little is known about its attributes such as area, type, ...

Felipe de Lucia Lobo, Pedro Walfir Martins Souza-Filho, Evlyn M�rcia Le�o de Moraes Novo, Felipe Menino Carlos, Cl�udio Clemente Faria Barbosa

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Continental-scale surface reflectance product from CBERS-4 MUX data: Assessment of atmospheric correction method using coincident Landsat observations

A practical atmospheric correction algorithm, called Coupled Moderate Products for Atmospheric Correction (CMPAC), was developed and ...

Vitor S. Martins, Jo�o Vianei Soares, Evlyn M�rcia Le�o de Moraes Novo, Cl�udio Clemente Faria Barbosa, Cibele T. Pinto, Jeferson de Souza Arcanjo, Amy Kaleita

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Compara��o de s�lidos em suspens�o em lagos da Amaz�nia e do Rio Grande do Sul a partir de dados espectrais

Illa de Andrade Bicca, others

Caracteriza��o bio-�ptica e implementa��o de algoritmos semi-anal�ticos para o estudo da qualidade da �gua na Reserva de Desenvolvimento Sustent�vel Mamirau�

O desenvolvimento de algoritmos com boa acur�cia e precis�o para obten��o de informa��es �pticas de �guas interiores � fundamental ...

Daniel Schaffer Ferreira Jorge

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Validation of high-resolution MAIAC aerosol product over South America

Multiangle Implementation of Atmospheric Correction (MAIAC) is a new Moderate Resolution Imaging Spectroradiometer (MODIS) algorithm ...

Vitor Souza Martins, A. Lyapustin, Lino Augusto Sander de Carvalho, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Swat modelling of streamflow and sediment concentration in an amazonian basin impacted by artisanal gold mining

Land cover change such as replacing the forest with pasture or bare soil areas can significantly affect the water cycle, altering ...

Camila Andrade Abe

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Spatial-Temporal characterization of optical properties of 4 lakes in the Mamirau� Sustainable Development Reserve - AM (MSDR)

The objective of this study is to evaluate spatial and temporal patterns of the optical properties of four floodplain lakes in ...

Daniel Schaffer Ferreira Jorge, Cl�udio Clemente Faria Barbosa, Adriana Gomes Affonso, Evlyn M�rcia Le�o de Moraes Novo

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SNR (signal-to-noise ratio) impact on water constituent retrieval from simulated images of optically complex Amazon lakes

Uncertainties in the estimates of water constituents are among the main issues concerning the orbital remote sensing of inland ...

Daniel Schaffer Ferreira Jorge, Cl�udio Clemente Faria Barbosa, Lino Augusto Sander de Carvalho, Adriana Gomes Affonso, Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo

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Seasonal monitoring of atmospheric constituents using multi-angle MODIS data as support for atmospheric correction in the Amazon region

Satellite data provide the only viable means for systematic monitoring of remote and large ecosystem, such as Amazon. However, ...

Vitor Souza Martins

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Investigating empirical models to retrieve the backscattering slope from Landsat 8 Images - The case of Lago Grande Curuai

This paper aims on the investigation of well-established models to retrieve the backscattering slope Ybbp from remote sensing images ...

Lino Augusto Sander de Carvalho, Vitor Souza Martins, Felipe de Lucia Lobo, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Estudo espa�o-temporal de flora��es de cianobact�rias no Rio Tapaj�s: Monitoramento por sensoriamento remoto e experimento em laborat�rio

Monitoring cyanobacteria blooms in inland waters is largely restricted to in situ water samples. An alternative for quick access to ...

Felipe de Lucia Lobo, Cl�udio Clemente Faria Barbosa, Jo�o Sarkis Yunes, Edi Morales Pinheiro Jr., Pablo Santos Guimar�es, Evlyn M�rcia Le�o de Moraes Novo, Lino Augusto Sander de Carvalho, Daniel Schaffer Ferreira Jorge

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Effects of small-scale gold mining tailings on the underwater light field in the Tapaj�s River Basin, Brazilian Amazon

Artisanal and Small-scale Gold Mining (ASGM) within the Amazon region has created several environmental impacts, such as mercury ...

Felipe de Lucia Lobo, Maycira Costa, Evlyn M�rcia Le�o de Moraes Novo, Kevin Telmer

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Avali��o de imagens WFI/CBERS-4 no estudo dos tipos de �gua da Reserva de Desenvolvimento Sustent�vel de Mamirau� (AM)

Satellite images are recognized as a data source for the monitoring of inland waters. Amazon Rivers have a seasonal dynamic ...

Evlyn M�rcia Le�o de Moraes Novo, Vitor Souza Martins, Adriana Gomes Affonso, Ot�vio Cristiano Montanher, Lino Augusto Sander de Carvalho, Cl�udio Clemente Faria Barbosa

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Avalia��o da acur�cia em produtos OLI/Landsat 8 em lagos amaz�nicos: Corre��o Atmosf�rica

Atmospheric correction is a crucial procedure to derive physical parameters from satellite images. Since water reflectance is ...

Vitor Souza Martins, Lino Augusto Sander de Carvalho, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Assessment of atmospheric correction methods for sentinel-2 MSI images applied to Amazon floodplain lakes

Satellite data provide the only viable means for extensive monitoring of remote and large freshwater systems, such as the Amazon ...

Vitor Souza Martins, Cl�udio Clemente Faria Barbosa, Lino Augusto Sander de Carvalho, Daniel Schaffer Ferreira Jorge, Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo

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Aplica��o do sensor MSI/Sentinel-2 na estimativa de componentes oticamente ativos em lagos de plan�cie de inunda��o amaz�nica

Remote sensing of inland waters relies on the retrieval of optically active constituent concentration using reflectance as input to ...

Renato Martins Passos Ferreira, Cl�udio Clemente Faria Barbosa, Vitor Souza Martins, Lino Augusto Sander de Carvalho, Daniel Schaffer Ferreira Jorge, Maria Paula Silva

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An�lise espacial-sazonal do coeficiente de absor��o espec�fico da clorofila-a no reservat�rio de Ibitinga/SP - an�lise preliminar

The chlorophyll-a specific absorption coefficient (aphy*) is used to describe phytoplankton light absorption capability per unit of ...

Carolline Tressmann Cairo, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Water residence time affecting phytoplankton blooms: study case in Ibitinga Reservoir (S�o Paulo, Brazil) using Landsat/TM images

LR Londe, EMLM Novo, C Barbosa, CAS Araujo

Spatial and seasonal variation in diffuse attenuation coefficients of downward irradiance at Ibitinga Reservoir, S�o Paulo, Brazil

Carolline Tressmann Cairo, Claudio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, Maria do Carmo Calijuri

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Simulation of spectral bands of the MERIS sensor to estimate chlorophyll-a concentrations in a reservoir of the semi-arid region

Nowadays, the monitoring of water is essential for the sustainability and better management of water resources. The use of remote ...

Fernando Bezerra Lopes, Evlyn M�rcia Le�o de Moraes Novo, Cl�udio Clemente Faria Barbosa, Eunice Maia de Andrade, Rafael Damiati Ferreira

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Parametrization and calibration of a quasi-analytical algorithm for tropical eutrophic waters

Fernanda Watanabe, Deepak R Mishra, Ike Astuti, Thanan Rodrigues, Enner Alc�ntara, Nilton N Imai, Cl�udio Barbosa

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Mapping inland water carbon content with Landsat 8 data

Tiit Kutser, Gema Casal Pascual, Claudio Barbosa, Birgot Paavel, Renato Ferreira, Lino Carvalho, Kaire Toming

Distribution of artisanal and small-scale gold mining in the Tapaj�s River Basin (Brazilian Amazon) over the past 40 years and relationship with water siltation

Felipe De Lucia Lobo, Maycira Costa, Evlyn M�rcia Le�o de Moraes Novo, Kevin Telmer

Bio-optical characterization of Amazon floodplain lakes and evaluation of the retrieval of optically active constituent using remote sensing

Amazon floodplain lakes play a substantial role in global and regional biogeochemical Amazonian processes. Due to their size, ...

Lino Augusto Sander de Carvalho

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Spatial and Temporal Analysis of Water Siltation Caused by Artisanal Small-scale Gold Mining in the Tapaj�s Water Basin, Brazilian Amazon: An Optics and Remote Sensing Approach

Felipe De Lucia Lobo, B. Sc, M. Sc, Felipe De Lucia Lobo

Implications of scatter corrections for absorption measurements on optical closure of Amazon floodplain lakes using the Spectral Absorption and Attenuation Meter (AC-S-WETLabs)

Lino Augusto Sander de Carvalho, Claudio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, Conrado de Moraes Rudorff

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Estimation of chlorophyll-a concentration and the trophic state of the Barra Bonita hydroelectric reservoir using OLI/Landsat-8 images

Fernanda Sayuri Yoshino Watanabe, Enner Alc�ntara, Thanan Walesza Pequeno Rodrigues, Nilton Nobuhiro Imai, Cl�udio Clemente Faria Barbosa, Luiz Henrique da Silva Rotta

COMPARA��O ENTRE M�TODOS EMP� RICOS PARA ESTIMATIVA DA CONCENTRA��O DE CLOROFILA-A EM RESERVAT�RIOS EM CASCATA (RIO TIET�, S�O PAULO)

Thanan Walesza Pequeno Rodrigues, Enner Her�nio Alc�ntara, Fernanda Sayuri Yoshino Watanabe, Luiz Henrique da Silva Rotta, Nilton Nobuhiro Imai, Marcelo Pedroso Curtarelli, Cl�udio Clemente Faria Barbosa

Caracteriza��o Temporal das Propriedades Bio-�ticas do Reservat�rio de Ibitinga/SP

Carolline Tressmann Cairo

Brazilian inland water bio-optical dataset to support carbon budget studies in reservoirs as well as anthropogenic impacts in Amazon floodplain lakes: Preliminary results

C Barbosa, EMLM Novo, R Ferreira, L Carvalho, C Cairo, F Lopes, J Stech, E Alcantara, G Schreier, PE Skrovseth, others

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Analysis of data quality element's applicability for radiometric measurements in remote sensing of water: a case study in Nova Avanhandava reservoir, S�o Paulo, Brazil

TWP RODRIGUES, Ivana Iv�nov�, Enner Alc�ntara, Milton Shimabukuro, Fernanda Watanabe, Luiz Rotta, Nilton Imai, Cl�udio Barbosa

Time-series analysis of Landsat-MSS/TM/OLI images over Amazonian waters impacted by gold mining activities

Felipe L Lobo, Maycira PF Costa, Evlyn MLM Novo

Sunglint correction in airborne hyperspectral images over inland waters

Annia Susin Streher, Cl�udio Clemente Faria Barbosa, L�nio Soares Galv�o, James A Goodman, Evlyn Marcia Le�o de Moraes Novo, Thiago Sanna Freire Silva

Modelagem da qualidade das �guas a partir de sensoriamento remoto hiperespectral

Fernando B Lopes, Cl�udio CF Barbosa, Evlyn ML de M Novo, Eunice M de Andrade, Luiz CG Chaves

Empirical models for estimating the suspended sediment concentration in Amazonian white water rivers using Landsat 5/TM

Ot�vio C Montanher, Evlyn MLM Novo, Cl�udio CF Barbosa, Camilo D Renn�, Thiago SF Silva

Caracteriza��o da �tica e do carbono org�nico dissolvido no reservat�rio de Tr�s Marias/MG

Renato Martins Passos Ferreira

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Bio-optical characterization of two Brazilian hydroelectric reservoirs as support to understand the carbon budget in hydroelectric reservoirs

Cl�udio Barbosa, Renato Ferreira, Carlos Araujo, Evlyn Novo

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Analysis of MERIS reflectance algorithms for estimating chlorophyll-a concentration in a Brazilian Reservoir

P�tala B Augusto-Silva, Igor Ogashawara, Cl�udio CF Barbosa, Lino AS De Carvalho, Daniel SF Jorge, Celso Israel Fornari, Jos� L Stech

Spatial Interpolation of Two-Wavelengths Bio-Optical Models to Estimate the Concentration of Chlorophyll-a in A Tropical Aquatic System

Igor Ogashawara, Enner Herenio de Alc�ntara, P�tala Bianchi Augusto-Silva, Claudio Clemente Faria Barbosa, Jos� Luiz Stech

Proposal for a remote sensing trophic state index based upon Thematic Mapper/Landsat images

Evlyn M�rcia Le�o de Moraes Novo, Luciana de Resende Londe, Claudio Barbosa, Carlos AS de Araujo, Camilo Daleles Renn�

Ocorr�ncia e remo��o dos efeitos de sunglint em imagens hiperespectrais de alta resolu��o espacial do sensor SpecTIR

O textitsunglint, tamb�m conhecido como reflex�o especular da �gua, � um componente da radia��o que atinge o sensor sem interagir com ...

Annia Susin Streher

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Integra��o de dados landsat/tm e medidas in situ para estimativa de sedimentos em suspens�o em rios amaz�nicos: um estudo de viabilidade

A base de dados in situ de concentra��ode sedimentos em suspens�o (CSS) nos rios amaz�nicos possui baixa densidade de amostras (2,72 ...

Ot�vio Cristiano Montanher, Claudio Clemente Barbosa, Evlyn M�rcia Le�o de Moraes Novo

Caracteriza��o e avalia��o da din�mica sazonal das propriedades bio-�pticas do reservat�rio de Funil com apoio de sensoriamento remoto, dados in situ e modelos �pticos

O gerenciamento do uso sustent�vel dos recursos h�dricos depende fundamentalmente de informa��es sobre a qualidade da �gua e de como ...

P�tala Bianchi Augusto-Silva

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Reference spectra to classify Amazon water types

Felipe de Lucia Lobo, Evlyn M�rcia Le�o de Moraes Novo, Claudio Clemente Faria Barbosa, L�nio Soares Galv�o

DADOS FLUOROM�TRICOS E ESPECTRAIS APLICADOSA ESTIMATIVA DA CONCENTRACAO DE CLOROFILA NA PLAN�CIE DE CURUAI/RIO AMAZONAS

Rafael Damiati Ferreira

Assessment of in vivo fluorescence method for chlorophyll-a estimation in optically complex waters (Curuai floodplain, Par�-Brazil)

Rafael Damiati Ferreira, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo

Water quality changes in floodplain lakes as a function of the Amazon River flood pulse: Lago Grande de Curua� (Par�)

Assurance of water quality for human consumption is essential for public health policies. In the Amazon floodplain, the seasonal ...

Adriana Gomes Affonso, Claudio Clemente Barbosa, Evlyn M�rcia Le�o de Moraes Novo

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Seasonal and spatial variability of CO2 emission from a large floodplain lake in the lower Amazon

Conrado M Rudorff, John M Melack, Sally MacIntyre, Cl�udio CF Barbosa, Evlyn MLM Novo

Limnological characterization of floodplain lakes in Mamirau� sustainable development reserve, Central Amazon (Amazonas State, Brazil)

Adriana Gomes Affonso, Helder Lima de Queiroz, Evlyn M�rcia Le�o de Moraes Novo

Impact of the 2009 extreme water level variation on phytoplankton community structure in Lower Amazon floodplain lakes

Simone Casali, Maria do Carmo Calijuri, Bernard Barbarisi, Vivian Fr�es Ren�, Adriana Gomes Affonso, Cl�udio Barbosa, Thiago Sanna Freire Silva, Evlyn M�rcia Le�o de Moraes Novo

Environmental factors associated with long-term changes in chlorophyll-a concentration in the Amazon floodplain

Enner Alc�ntara, Evlyn Moraes Novo, CF Barbosa, M-P Bonnet, J Stech, JP Ometto

Integra��o de dados do sistema autom�tico de monitoramento de vari�veis ambientais (SIMA) e de imagens orbitais na avalia��o do estado tr�fico do Reservat�rio da UHE Funil.

Evlyn M�rcia Le�o de Moraes Novo, Jos� Luiz Stech, Luciana Resende Londe, Arcilan Assireu, Cl�udio Clemente Barbosa, Enner Herenio Alc�ntara, Arley Ferreira de Souza

Geospatial analysis of spatiotemporal patterns of pH, total suspended sediment and chlorophyll-a on the Amazon floodplain

Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Leao de Moraes Novo, John M Melack, Mary Gastil-Buhl, Waterloo Pereira Filho

Geospatial analysis of spatiotemporal patterns of pH, total suspended sediment and chlorophyll-a on the Amazon floodplain

We applied spatial data analysis and geostatistical procedures to pH, total suspended sediment and chlorophyll-a concentration data ...

Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, John M. Melack, Mary Gastil-Buhl, Waterloo Pereira Filho

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A contribution to understanding the turbidity behaviour in an Amazon floodplain.

E Alc�ntara, Emlm Novo, J Stech, J Lorenzzetti, C Barbosa, A Assireu, A Souza

The turbidity behavior in an Amazon floodplain

Enner Alc�ntara, Evlyn Novo, Jos� Stech, Jo�o Lorenzzetti, Cl�udio Barbosa, Arcilan Assireu, Arley Souza

Mapping potential cyanobacterial bloom using Hyperion/EO-1 data in the Patos Lagoon estuary

Felipe de Lucia Lobo, Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, Jo�o Sarkis Yunes

Improving the spectral unmixing algorithm to map water turbidity distributions

Enner Alc�ntara, Cl�udio Barbosa, Jos� Stech, Evlyn Novo, Yosio Shimabukuro

BIBLIOTECA ESPECTRAL: DETERMINACAO DE ESPECTROS DE REFER�NCIA PARA A CLASSIFICACAO DE TIPOS DEAGUA DASAREAS ALAGAVEIS DA AMAZONIA

Felipe de Lucia Lobo

Turbidity in the Amazon floodplain assessed through a spatial regression model applied to fraction images derived from MODIS/Terra

Enner Herenio de Alcantara, Jos� Luiz Stech, Evlyn Marcia Le�o de Moraes Novo, Yosio Edemir Shimabukuro, Cl�udio Clemente Faria Barbosa

Seasonal changes in chlorophyll distributions in Amazon floodplain lakes derived from MODIS images

To assess seasonal changes in phytoplanktonic chlorophyll distributions in Amazon floodplain lakes, a linear mixing model was applied ...

Evlyn M�rcia Le�o de Moraes Novo, Cl�udio Clemente de Farias Barbosa, Ramon Moraes de Freitas, Yosio Edemir Shimabukuro, John M. Melack, Waterloo Pereira Filho

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Metodologia de an�lise da din�mica de �rea e volume inund�vel: o exemplo da v�rzea do lago grande de curuai

This paper presents a methodolgy for processing and applying high resolution bathimetric data acquired with a Lowrance -480M ...

Cl�udio Clemente Faria Barbosa, Evlyn M�rcia Le�o de Moraes Novo, John M Melack, Ramon Moraes de Freitas, Waterloo Pereira Filho

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Localiza��o de �reas de monitoramento telem�trico em ambientes aqu�ticos da Amaz�nia / Location of telemetric monitoring sites in Amazon floodplain lakes

O presente trabalho demonstra a aplicabilidade de imagens de sensoriamento remoto e de m�todos de processamento de imagens digitais ...

Ivan Bergier Tavares de Lima, Cl�udio Clemente Barbosa, Evlyn M�rcia Le�o de Moraes Novo, Jo�o Carlos Carvalho, Jose Luiz Stech

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Comparing MODIS and ETM+ image data for inland water studies: Spatial resolution constraints

Evlyn M�rcia Le�o de Moraes Novo, Claudio Clemente Faria Barbosa, John M Melack, Ramon Moraes de Freitas, Fernanda Titonelli, Yosio Edemir Shimabukuro

Sensoriamento remoto da din�mica de circula��o da �gua do sistema plan�cie de Curai/Rio Amazonas

Esta pesquisa teve como hip�tese inicial que a varia��o espa�o-temporal de massas de �gua distintas presentes na plan�cie de ...

Cl�udio Clemente Faria Barbosa

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Assessing the utility of spectral band operators to reduce the influence of total suspended solids on the relationship between chlorophyll concentration and the bidirectional reflectance factor in Amazon waters

EMLM Novo, W Pereira Filho, JM Melack

Spectral mixture analysis of inland tropical waters

This letter results of experiments conducted to assess the use of linear mixing models to unmix the reflectance spectra of water. The ...

Evlyn Marcia Leao de Moraes Novo, Yosio Edemir Shimabukuro

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Contribution of remote sensing techniques to the assessment of methane emission from large tropical reservoirs

The objective of this paper is to exemplify the use of remote sensing to assess methane emissions from reservois. Man-made reservoirs ...

Evlyn Marcia Leao de Moraes Novo, Jos� Galisia Tundisi

Results of a laboratory experiment relating spectral reflectance to total suspended solids

Evlyn M�rcia Leao Moraes Novo, Carlos Alberto Steffen, Cl�udia Zuccari Fernandes Braga

The effect of viewing geometry and wavelength on the relationship between reflectance and suspended sediment concentration

The relationship between reflectance and suspended sediment concentration (SSC)is depended upon the wavebands sensed and the viedwing ...

Evlyn Marcia Leao de Moraes Novo, J. D. Hanson, Paul James Curran

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The effect of sediment type on the relationship between reflectance and suspended sediment concentration

The use of remotely-sensed optical data to estimate the suspended sediments concentration (SSC)of water is dependent upon the ...

Evlyn Marcia Leao Moraes Novo