Výsledky vyhledávání - "L. F. Bellido"

Influence of biological activity on 65Zn and 109Cd removal from tidal water by chronically-polluted mangrove sediments

Autor: Melissa N. Sondermann, E. C. Machado, K. N. Suzuki, A. V. B. Bellido, Wilson Machado, Ricardo Tadeu Lopes, L. F. Bellido

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The biological activity influence on the mangrove sediment capacity to remove 65Zn and 109Cd from tidal water was evaluated in a site chronically polluted. Benthic Activity Indexes (BAI), corresponding to relative estimates of biological impact on ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73b79f4c8ab95d5b42994cfde4a74c84

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Removal efficiency of 75Se, 51Cr and 60Co from tidal water by mangrove sediments from Sepetiba Bay (SE Brazil)

Autor: L. F. Bellido, A. V. B. Bellido, Wilson Machado, Eunice da Costa Machado, Ricardo Tadeu Lopes, J. A. Osso, Katia N. Suzuki

Publikováno v: Journal of Radioanalytical and Nuclear Chemistry. 299:357-361

Mangrove sediment cores sampled from Sepetiba Bay (SE Brazil) were covered with tidal water spiked with 75Se, 51Cr and 60Co to evaluate the removal efficiency of these radiotracers by underlying sediments. Variable time-evolution trends were observed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::712114fba2770dd88b92b4748512e8ed
https://doi.org/10.1007/s10967-013-2760-z

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Radiotracer estimates of benthic activity effects on trace metal diffusion into mangrove sediments

Autor: A. V. B. Bellido, Wilson Machado, Eunice da Costa Machado, Ricardo Tadeu Lopes, L. F. Bellido, Katia N. Suzuki

Publikováno v: Marine Environmental Research. 83:96-100

Potential influences of the whole benthic organisms' activity (i.e., coupled faunal and microbial effects) on 58Co, 51Cr and 65Zn diffusion into surface mangrove sediment layers (0–6 cm depth) were evaluated in 36 h experiments. Benthic activity in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bff914e135d2585311f41c51c26b811
https://doi.org/10.1016/j.marenvres.2012.10.009

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METAL SORPTION BY SEDIMENTS FROM A MANGROVE REFORESTATION AREA IN GUANABARA BAY (SE BRAZIL) REVEALED BY USING RADIOTRACERS

Autor: Katia Noriko Suzuki, Ricardo Tadeu Lopes, E. C. Machado, Wilson Machado, L. F. Bellido, A. V. B. Bellido, Melissa Nogueira Sondermann

Publikováno v: Journal of Sedimentary Environments, Vol 1, Iss 3, Pp 292-296 (2016)

This work applied the radiotracer technique to evaluate the chromium (Cr) sorption by sediments of a mangrove degraded area under reforestation phase. The radiotracer 51 Cr(III) was used to assess the removal kinetics of this metal from tidal water b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9252acbaffae2cab38ce29f8dd7adf8f
https://doi.org/10.12957/jse.2016.23707

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Selenium, Chromium and Cobalt Diffusion into Mangrove Sediments: Radiotracer Experiment Evidence of Coupled Effects of Bioturbation and Rhizosphere

Autor: A. V. B. Bellido, Ricardo Tadeu Lopes, Wilson Machado, Eunice da Costa Machado, J. A. Osso, Katia N. Suzuki, L. F. Bellido

Publikováno v: Water, Air, & Soil Pollution. 223:3887-3892

Microcosm experiments on the behaviour of Se, Cr and Co were carried out with mangrove sediments from Sepetiba Bay, Brazil. Three 8-cm length sediment cores were covered with tidal water spiked with 75Se, 51Cr and 60Co to evaluate its behaviour withi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2a1621709567c64122cc97fe2f168b1
https://doi.org/10.1007/s11270-012-1157-x

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Cesium, manganese and cobalt water–sediment transfer kinetics and diffusion into mangrove sediments inferred by radiotracer experiments

Autor: Sambasiva R. Patchineelam, Wilson Machado, Eunice da Costa Machado, A. V. B. Bellido, L. F. Bellido

Publikováno v: Journal of Radioanalytical and Nuclear Chemistry. 292:349-353

A study on the trace elements transfer from tidal water to mangrove sediments from Guanabara Bay (southeastern Brazil) was performed in laboratory microcosms. Sediment cores were covered with tidal water spiked with 137Cs, 54Mn and 57Co during 5-h ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d32bb8fee821e2a1ad7ca7a93577ef43
https://doi.org/10.1007/s10967-011-1449-4

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Trace and major elements in geological samples from Itingusssú River Basin, Sepetiba Bay––Rio de Janeiro

Autor: D. R. Araripe, R. M. Latini, Sambasiva R. Patchineelam, A. V. B. Bellido, L. F. Bellido, D. I. T. Fávaro

Publikováno v: Journal of Radioanalytical and Nuclear Chemistry. 290:381-389

waterfall with three drop offs. The study area is located in a granitic pre-Cambrian embasement, discharging in a mangrove forest fringe. This work attempts to investigate the influence of lithology types in the elemental composition of soil of regio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79035c20853edc3b6d65cdce5d81768e
https://doi.org/10.1007/s10967-011-1220-x

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Kinetics of trace metal removal from tidal water by mangrove sediments under different redox conditions

Autor: Ricardo Tadeu Lopes, Eunice da Costa Machado, L. F. Bellido, Wilson Machado, Katia N. Suzuki, J.A. Osso, A. V. B. Bellido

Publikováno v: Radiation Physics and Chemistry. 95:336-338

The extent in which redox conditions can affect the removal kinetics of 58 Co and 65 Zn from tidal water by mangrove sediments was evaluated in microcosm experiments, simulating a tidal flooding period of 6 h. The average half-removal time ( t 1/2 )

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9abc93a789e92f3bb3f5ecb0a1343215
https://doi.org/10.1016/j.radphyschem.2013.02.027

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Removal of Zinc from Tidal Water by Sediments of a Mangrove Ecosystem: A Radiotracer Study

Autor: L. F. Bellido, A. V. B. Bellido, Sambasiva R. Patchineelam, Wilson Machado, Eunice da Costa Machado

Publikováno v: Water, Air, and Soil Pollution. 192:77-83

The removal of 65Zn from tidal water by underlaying sediment cores collected in a mangrove forest and a tidal creek that drains this forest in Sepetiba Bay (SE Brazil) was investigated. After 30-h experiments in laboratory microcosms, the 65Zn half-r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::374711bbdf1634adbc8cc34e414d50c4
https://doi.org/10.1007/s11270-008-9636-9

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Radiotracers as a Tool to Elucidate Trace Element Behaviour in the Water–Sediment Interface

Autor: E. C. Machado, Ricardo Tadeu Lopes, A. V. B. Bellido, Wilson Machado, L. F. Bellido, Katia N. Suzuki

Publikováno v: Radionuclides in the Environment ISBN: 9783319221700

Behavioural trends of trace elements in the water–sediment interface of diverse aquatic systems have been elucidated by using radiotracer experiments. These experimental data have improved: (1) the comprehension on the biogeochemical mechanisms, (2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d5bf48c35645146520edf955c5c9801
https://doi.org/10.1007/978-3-319-22171-7_5

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