Search Results - "G. Figueiredo, Alberto"

Amazon Sediment Transport and Accumulation Along the Continuum of Mixed Fluvial and Marine Processes by Nittrouer, Charles A, DeMaster, David J, Kuehl, Steven A, Figueiredo, Alberto G, Sternberg, Richard W, Faria, L. Ercilio C, Silveira, Odete M, Allison, Mead A, Kineke, Gail C, Ogston, Andrea S, Souza Filho, Pedro W.M, Asp, Nils E, Nowacki, Daniel J, Fricke, Aaron T

“…Sediment transfer from land to ocean begins in coastal settings and, for large rivers such as the Amazon, has dramatic impacts over thousands of kilometers…”
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Geoacoustic character, sedimentology and chronology of a cross-shelf Holocene sediment deposit off Cabo Frio, Brazil (southwest Atlantic Ocean) by Mendoza, Ursula, Ayres Neto, Arthur, C. Abuchacra, Rodrigo, Fernandes Barbosa, Cátia, G. Figueiredo, Alberto, C. Gomes, Manoela, Belem, Andre L., Capilla, Ramsés, S. Albuquerque, Ana Luiza

“…The Cabo Frio region in the state of Rio de Janeiro, southeast coast of Brazil, is characterized by a local coastal upwelling system and converging littoral…”
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Estimation of suspended sediment concentration by acoustic scattering: an experimental and theoretical analysis for spherical particles by Xavier, Benevides Colella, Silva, Iranilson Oliveira, Guimarães, Luiz Gallisa, Gallo, Marcos Nicolás, Ribeiro, Carlos Parente, Figueiredo, Alberto G., Jr

“…PURPOSE: This study deals with an alternate acoustic calibration method to determine suspended sediment concentration (SSC). MATERIALS AND METHODS:…”
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Santos Basin continental shelf morphology, sedimentology, and slope sediment distribution by Figueiredo Jr, Alberto G., Carneiro, Juliane Castro, Santos Filho, João Regis dos

“…ABSTRACT The ocean bottom morphology, depth, sediment grain size, sediment sorting, carbonate content, and water depth are used to compose seafloor maps as…”
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Sediment deposition, accumulation, and seabed dynamics in an energetic fine-grained coastal environment by Kuehl, Steven A., Nittrouer, Charles A., Allison, Mead A., Faria, L. Ercilio C., Dukat, David A., Jaeger, John M., Pacioni, Thomas D., Figueiredo, Alberto G., Underkoffler, Ellen C.

“…Sedimentary processes on the continental shelf and shoreline northwest of the Amazon River mouth were investigated as part of A Multidisciplinary Amazon Shelf…”
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Superficial distribution of aromatic compounds and geomicrobiology of sediments from Suruí Mangrove, Guanabara Bay, RJ, Brazil by Fontana, Luiz F.(Universidade Federal Fluminense PPG em Geologia e Geofísica Marinha), Silva, Frederico S. da(Universidade Federal do Rio de Janeiro Departamento de Geologia), Figueiredo, Natália G. de(Universidade Federal Fluminense PPG em Química), Brum, Daniel M.(Universidade Federal Fluminense PPG em Química), Netto, Annibal D. Pereira(Universidade Federal Fluminense PPG em Química), Gigueiredo Junior, Alberto G. de(Universidade Federal Fluminense PPG em Geologia e Geofísica Marinha), Crapez, Mirian A.C.(Universidade Federal Fluminense PPG em Biologia Marinha)

“…The distribution of selected aromatic compounds and microbiology were assessed in superficial sediments from Suruí Mangrove, Guanabara Bay. Samples were…”
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Linked variations in sediment accumulation rates and sea-level in Guanabara Bay, Brazil, over the last 6000years by Figueiredo, Alberto G., de Toledo, Mauro B., Cordeiro, Renato C., Godoy, José M.O., da Silva, Fabiano T., Vasconcelos, Sérgio C., dos Santos, Ricardo A.

“…Variable sediment accumulation rates in cores collected in Guanabara Bay, Rio de Janeiro State, indicate that filling of the bay started before 6000years ago…”
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Multidisciplinary Scientific Cruises for Environmental Characterization in the Santos Basin – Methods and Sampling Design by Moreira, Daniel L., Dalto, Adriana G., Figueiredo Jr, Alberto G., Valerio, Aline M., Detoni, Amalia M. S., Bonecker, Ana C. T., Signori, Camila N., Namiki, Cláudia, Sasaki, Dalton K., Pupo, Daniel V., Silva, Danilo A., Kutner, Deborah S., Duque-Castaño, Diana C., Marcon, Eduardo H., Gallotta, Fabiana D. C., Paula, Fabiana S., Gallucci, Fabiane, Roque, Gabriela C. F., Campos, Giulia S., Fonseca, Gustavo, Mattos, Gustavo, Lavrado, Helena P., Silveira, Ilson C. A. da, Costa, Jessica O., Santos Filho, João R. dos, Carneiro, Juliane C., Moreira, Julio C.F., Rozo, Laura, Araujo, Leandro F.M., Lazzari, Letícia, Silva, Letícia O. da, Michelazzo, Luan S., Fernandes, Luciano F., Dottori, Marcelo, Araújo Jr, Marcus A. G. de, Chuqui, Mateus G., Ceccopieri, Milena, Borges-Silva, Milton, Kampel, Milton, Bergo, Natascha M., Silva, Paulo V. M., Tura, Pedro M., Moura, Rafael B. de, Romano, Renato G., Martins, Renato P., Carreira, Renato S., Toledo, Rodrigo G.A., Bonecker, Sérgio L.C., Disaró, Sibelle T., Rodrigues, Silvana V., Corbisier, Thais N., Vicente, Thaisa M., Paiva, Vitor G. de, Pellizari, Vivian H., Belo, Wellington C., Brandini, Frederico P., Sousa, Silvia H.M

“…Abstract The Santos Basin (SB) is the main petroliferous basin in the Brazilian continental margin and one of the most studied marine areas in Brazil. However,…”
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Guanabara bay sedimentation rates based on 210Pb dating: reviewing the existing data and adding new data by Godoy, Jose M., Oliveira, Alessandra V., Almeida, Ana C., Godoy, Maria Luiza D. P., Moreira, Isabel, Wagener, Angela R., Figueiredo Junior, Alberto G. de

“…Three sediment cores were taken from Guanabara Bay. Two of them yielded 210Pb profiles that could be applied for dating purposes. Actual sedimentation rates of…”
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Multi-window spectrum analysis of Búzios oil field PSDM seismic data applied to frequency attenuation study by Freitas, David Fraga, Cetale, Marco, Figueiredo, Alberto G., Santos, Luiz Alberto, Filho, Djalma Manoel Soares

“…The intrinsic attenuation is often quantified using the inverse quality factor Q. Methods to estimate Q are mainly based on time domain or frequency domain and…”
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The geological record preserved by Amazon shelf sedimentation by Nittrouer, Charles A., Kuehl, Steven A., Figueiredo, Alberto G., Allison, Mead A., Sommerfield, Christopher K., Rine, James M., Faria, L. Ercilio C., Silveira, Odete M.

“…A recent study of the subaqueous delta and coastal plain near the mouth of the Amazon River provides insight to the geological record created there and…”
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Distribuição das Diatomáceas Modernas nos Sedimentos da Baía de Guanabara e Áreas Oceânicas, Rio de Janeiro (Brasil) by Laut, Lazaro L.M., Laut, Vanessa M., Silva, Frederico S., Figueiredo Jr, Alberto G.

“…One hundred and fifty three superficial sediments were collected in Guanabara Bay to physical-chemistry and diatom analyses in the ambit to Monitoring Project…”
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Importance of tropical coastal environments by Nittrouer, Charles A., Brunskill, Gregg J., Figueiredo, Alberto G.

“…On a global basis, a very large fraction (>50%) of the mass flux from land to the marine environment enters from tropical rivers. A broad range of processes…”
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Stratigraphic evidence of changes in Amazon shelf sedimentation during the late Holocene by Sommerfield, Christopher K., Nittrouer, Charles A., Figueiredo, Alberto G.

“…Late Holocene sedimentation on the Amazon shelf was investigated using a combination of seismic, sedimentological, and geochronological methods. Piston cores…”
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Estimation of suspended sediment concentration by acoustic calibration and scattering properties: An experimental and theoretical analysis by Xavier, Benevides C., Ribeiro, Carlos P., Guimaraes, Luiz G., Gallo, Marcos G., Figueiredo, Alberto G.

“…Sedimentation is a primary and growing environmental, engineering, and agricultural issue around the world. As the needed data collection to develop solutions…”
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An extensive reef system at the Amazon River mouth by Moura, Rodrigo L, Amado-Filho, Gilberto M, Moraes, Fernando C, Brasileiro, Poliana S, Salomon, Paulo S, Mahiques, Michel M, Bastos, Alex C, Almeida, Marcelo G, Silva, Jr, Jomar M, Araujo, Beatriz F, Brito, Frederico P, Rangel, Thiago P, Oliveira, Braulio C V, Bahia, Ricardo G, Paranhos, Rodolfo P, Dias, Rodolfo J S, Siegle, Eduardo, Figueiredo, Jr, Alberto G, Pereira, Renato C, Leal, Camille V, Hajdu, Eduardo, Asp, Nils E, Gregoracci, Gustavo B, Neumann-Leitão, Sigrid, Yager, Patricia L, Francini-Filho, Ronaldo B, Fróes, Adriana, Campeão, Mariana, Silva, Bruno S, Moreira, Ana P B, Oliveira, Louisi, Soares, Ana C, Araujo, Lais, Oliveira, Nara L, Teixeira, João B, Valle, Rogerio A B, Thompson, Cristiane C, Rezende, Carlos E, Thompson, Fabiano L

“…Large rivers create major gaps in reef distribution along tropical shelves. The Amazon River represents 20% of the global riverine discharge to the ocean,…”
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An introduction to the geological significance of sediment transport and accumulation on the Amazon continental shelf by Nittrouer, Charles A., Kuehl, Steven A., Sternberg, Richard W., Figueiredo, Alberto G., Faria, Luis E.C.

“…In order to understand the formative processes and resulting stratigraphy on the Amazon shelf and adjacent shoreline of Amapa, geological investigations were…”
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Modern Diatom Distributions in Guanabara Bay Sediment and Oceanic Areas, Rio de Janeiro (Brazil) by Frederico S. Silva, Vanessa M. Laut, Lazaro L.M. Laut, Alberto G. de Figueiredo Jr

“…One hundred and fifty three superficial sediments were collected in Guanabara Bay to physical-chemistry and diatom analyses in the ambit to Monitoring Project…”
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New insights to high-resolution stratigraphy on the Amazon continental shelf by Figueiredo, Alberto G., Nittrouer, Charles A.

“…The surficial stratigraphy (upper 20 m) of the Amazon subaqueous delta has been well documented, but the high-resolution record of underlying strata was…”
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Gas-charged sediments in the Amazon submarine delta by Figueiredo, Alberto G., Nittrouer, Charles A., de Alencar Costa, Elen

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