Search Results - "Formaggio, Antônio Roberto"

Land use and land cover changes in the Brazilian Cerrado: A multidisciplinary approach to assess the impacts of agricultural expansion by Grecchi, Rosana Cristina, Gwyn, Q. Hugh J., Bénié, Goze Bertin, Formaggio, Antônio Roberto, Fahl, Fernando César

“…Expansion of agricultural lands have shaped Brazilian Cerrado landscapes in recent decades; however, the environmental consequences of these transformations…”
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Soybean crop area estimation by Modis/Evi data by Gusso, Anibal, Formaggio, Antônio Roberto, Rizzi, Rodrigo, Adami, Marcos, Rudorff, Bernardo Friedrich Theodor

“…The objective of this work was to develop a procedure to estimate soybean crop areas in Rio Grande do Sul state, Brazil. Estimations were made based on the…”
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Changes in Physical Properties of Soils with Land Use Time in the Brazilian Savanna Environment by Trabaquini, Kleber, Formaggio, Antônio Roberto, Galvão, Lênio Soares

“…Soils from central Brazil have been intensively used over the last decades because of the rapid conversion of savannas (Cerrado) into corn/soybean fields. The…”
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Discrimination of sugarcane varieties in Southeastern Brazil with EO-1 Hyperion data by Galvão, Lênio Soares, Formaggio, Antônio Roberto, Tisot, Daniela Arnold

“…Hyperspectral data acquired by the Hyperion instrument, on board the Earth Observing-1 (EO-1) satellite, were evaluated for the discrimination of five…”
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Potential land availability for agricultural expansion in the Brazilian Amazon by Martini, Denise Zanatta, Moreira, Mauricio Alves, Cruz de Aragão, Luiz Eduardo Oliveira e, Formaggio, Antônio Roberto, Dalla-Nora, Eloi Lennon

“…•Approximately 11% of the Brazilian Amazon would be potentially available for agricultural expansion.•Forests conversion would lead to biodiversity loss and…”
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Assessing the spatio-temporal rates and patterns of land-use and land-cover changes in the Cerrados of southeastern Mato Grosso, Brazil by Grecchi, Rosana Cristina, Gwyn, Q. Hugh J, Bénié, Goze Bertin, Formaggio, Antônio Roberto

“…The Cerrados of central Brazil have undergone profound landscape transformation in recent decades due to agricultural expansion, and this remains poorly…”
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Hidden Markov Models for crop recognition in remote sensing image sequences by Leite, Paula Beatriz Cerqueira, Feitosa, Raul Queiroz, Formaggio, Antônio Roberto, da Costa, Gilson Alexandre Ostwald Pedro, Pakzad, Kian, Sanches, Ieda Del’Arco

“…This work proposes a Hidden Markov Model (HMM) based technique to classify agricultural crops. The method uses HMM to relate the varying spectral response…”
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View angle effects on the discrimination of soybean varieties and on the relationships between vegetation indices and yield using off-nadir Hyperion data by Galvão, Lênio Soares, Roberts, Dar A., Formaggio, Antônio Roberto, Numata, Izaya, Breunig, Fábio Marcelo

“…Imaging spectrometry has the potential to provide improved discrimination of crop types and better estimates of crop yield. Here we investigate the potential…”
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Land use and land cover changes determine the spatial relationship between fire and deforestation in the Brazilian Amazon by Lima, André, Silva, Thiago Sanna Freire, Aragão, Luiz Eduardo Oliveira e Cruz de, Feitas, Ramon Morais de, Adami, Marcos, Formaggio, Antônio Roberto, Shimabukuro, Yosio Edemir

“…An increased frequency of droughts is predicted for the Amazon rainforest in the 21st century, which, combined with deforestation, could exacerbate fire…”
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Relationships between the mineralogical and chemical composition of tropical soils and topography from hyperspectral remote sensing data by Galvão, Lênio Soares, Formaggio, Antônio Roberto, Couto, Eduardo Guimarães, Roberts, Dar A.

“…Airborne Visible/InfraRed Imaging Spectrometer (AVIRIS) data acquired in 1995 in the vicinity of Campo Verde, central Brazil, were analyzed to investigate the…”
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Analysis of agricultural intensification in a basin with remote sensing data by de Oliveira, Julio Cesar, Trabaquini, Kleber, Epiphanio, José Carlos Neves, Formaggio, Antônio Roberto, Galvão, Lênio Soares, Adami, Marcos

“…The last few decades have been marked by important changes in the Brazilian agriculture, especially with respect to crop-management practices. This study aimed…”
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Object Based Image Analysis and Data Mining applied to a remotely sensed Landsat time-series to map sugarcane over large areas by Vieira, Matheus Alves, Formaggio, Antonio Roberto, Rennó, Camilo Daleles, Atzberger, Clement, Aguiar, Daniel Alves, Mello, Marcio Pupin

“…The aim of this research was to develop a methodology for contributing in the automation of sugarcane mapping over large areas, with time-series of remotely…”
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Índices de vegetação Modis aplicados na discriminação de áreas de soja by Risso, Joel, Rizzi, Rodrigo, Rudorff, Bernardo Friedrich Theodor, Adami, Marcos, Shimabukuro, Yosio Edemir, Formaggio, Antônio Roberto, Epiphanio, Rui Dalla Valle

“…O objetivo deste trabalho foi avaliar o desempenho do índice de vegetação realçado (EVI) e do índice de vegetação da diferença normalizada (NDVI) - ambos do…”
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Crop area estimate from original and simulated spatial resolution data and landscape metrics by Soares, Dênis de Moura, Galvão, Lênio Soares, Formaggio, Antônio Roberto

“…Images acquired at the same day by the ETM+/Landsat-7 (30 m of spatial resolution) and MODIS/Terra (250 m) sensors were used to estimate areas of three major…”
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Self-Guided Segmentation and Classification of Multi-Temporal Landsat 8 Images for Crop Type Mapping in Southeastern Brazil by Schultz, Bruno, Immitzer, Markus, maggio, Antonio Roberto, Sanches, Ieda Del' Arco, Luiz, Alfredo Jose Barreto, Atzberger, Clement

“…Only well-chosen segmentation parameters ensure optimum results of object-based image analysis (OBIA). Manually defining suitable parameter sets can be a…”
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ANÁLISE ESPAÇO-TEMPORAL DA CONVERSÃO DO CERRADO EM ÁREAS AGRÍCOLAS NA REGIÃO DE SAPEZAL, MATO GROSSO, ENTRE OS ANOS DE 1981 E 2011 by Grecchi, Rosana Cristina, Bertani, Gabriel, Trabaquini, Kleber, Shimabukuro, Yosio Edemir, Formaggio, Antônio Roberto

“…O bioma Cerrado brasileiro, reconhecido como um dos hotspots de biodiversidade do Planeta, vem recebendo grande destaque no amplo contexto das mudanças…”
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Imagens mono e multitemporais Modis para estimativa da área com soja no estado de Mato Grosso by Bernardes, Tiago, Adami, Marcos, Formaggio, Antônio Roberto, Moreira, Maurício Alves, França, Daniela de Azeredo, Novaes, Maikon Roberth de

“…O objetivo deste trabalho foi avaliar uma nova metodologia para mapeamento da cultura da soja no Estado de Mato Grosso, por meio de imagens Modis e de…”
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Estimativa amostral objetiva de área plantada regional, apoiada em imagens de sensoriamento remoto by Luiz, Alfredo José Barreto, Formaggio, Antônio Roberto, Epiphanio, José Carlos Neves, Arenas‑Toledo, John Mauricio, Goltz, Elizabeth, Brandão, Daniela

“…O objetivo deste trabalho foi desenvolver e avaliar um método para estimar a área plantada de soja em escala regional e calcular o erro estatístico associado à…”
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Cloud Cover Assessment for Operational Crop Monitoring Systems in Tropical Areas by Eberhardt, Isaque, Schultz, Bruno, Rizzi, Rodrigo, Sanches, Ieda, Formaggio, Antonio, Atzberger, Clement, Mello, Marcio, Immitzer, Markus, Trabaquini, Kleber, Foschiera, William, José Barreto Luiz, Alfredo

“…The potential of optical remote sensing data to identify, map and monitor croplands is well recognized. However, clouds strongly limit the usefulness of…”
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Relationships of spectral reflectance and color among surface and subsurface horizons of tropical soil profiles by Galvdo, Lênio Soares, Vitorello, Ícaro, Formaggio, Antonio Roberto

“…The reflectance spectra (400–2500 nm) and color attributes of samples from the major horizons of six soil classes with broad distribution in Brazil were…”
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