Navegação por Revista "Science of the Total Environment"

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  • IPEN-DOC 24324

    BARBIERO, LAURENT; SIQUEIRA NETO, MARCOS; BRAZ, ROSANGELA R.; CARMO, JANAINA B. do; REZENDE FILHO, ARY T.; MAZZI, EDMAR; FERNANDES, FERNANDO A.; DAMATTO, SANDRA R. ; CAMARGO, PLINIO B. de. Biogeochemical diversity, O2-supersaturation and hot moments of GHG emissions from shallow alkaline lakes in the Pantanal of Nhecolândia, Brazil. Science of the Total Environment, v. 619-620, p. 1420-1430, 2018. DOI: 10.1016/j.scitotenv.2017.11.197

    Abstract: Nhecolândia is a vast sub-region of the Pantanal wetland in Brazil with great diversity in surface water chemistry evolving in a sodic alkaline pathway under the influence of evaporation. In this region, > 15,000 shallow lakes are likely to contribute an enormous quantity of greenhouse gas to the atmosphere, but the diversity of the biogeochemical scenarios and their variability in time and space is a major challenge to estimate the regional contribution. From 4 selected alkaline lakes, we compiled measurements of the physico-chemical characteristics of water and sediments, gas fluxes in floating chambers, and sedimentation rates to illustrate this diversity. Although these lakes have a similar chemical composition, the results confirm a difference between the black-water and green-water alkaline lakes, corresponding to distinct biogeochemical functioning. This difference does not appear to affect lake sedimentation rates, but is reflected in gas emissions. Black-water lakes are CO2 and CH4 sources, with fairly constant emissions throughout the seasons. Annual carbon dioxide and methane emissions approach 0.86 mol m− 2 y− 1 and 0.07 mol m− 2 y− 1, respectively, and no clear trend towards N2O capture or emission was observed. By contrast, green-water lakes are CO2 and N2O sinks but important CH4 sources with fluxes varying significantly throughout the seasons, depending on the magnitude of the phytoplankton bloom. The results highlight important daily and seasonal variations in gas fluxes, and in particular a hot moments for methane emissions, when the O2-supersaturation is reached during the afternoon under extreme bloom and sunny weather conditions, provoking an abrupt O2 purging of the lakes. Taking into account the seasonal variability, annual methane emissions are around 10.2 mol m− 2 y− 1, i.e., much higher than reported in previous studies for alkaline lakes in Nhecolândia. Carbon dioxide and nitrous oxide consumption is estimated about 1.9 mol m− 2 y− 1 and 0.73 mmol m− 2 y− 1, respectively. However, these balances must be better constrained with systematic and targeted measurements throughout the seasons.

    Palavras-Chave: greenhouse gases; emission; oxygen; supersaturation; biogeochemistry; lakes; brazil; wetlands; methane; carbon dioxide; nitrous oxide

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  • IPEN-DOC 23148

    AMATO-LOURENCO, LUIS F.; LOBO, DEBORA J.A.; GUIMARAES, ELIANE T.; MOREIRA, TIANA C.L.; CARVALHO-OLIVEIRA, REGIANI; SAIKI, MITIKO ; SALDIVA, PAULO H.N.; MAUAD, THAIS. Biomonitoring of genotoxic effects and elemental accumulation derived from air pollution in community urban gardens. Science of the Total Environment, v. 575, p. 1438-1444, 2017. DOI: 10.1016/j.scitotenv.2016.09.221

    Abstract: Urban gardening is a growing global phenomenon with a positive impact on society. Despite several associated benefits, growing vegetables in urban gardens that are localized in highly polluted areas poses questions about the safety of the produced food. Therefore, the identification of risk factors that result in possible deleterious effects to human health is important for realizing all of the benefits to society. We evaluated the use of two-biomonitoring methods in ten urban gardens of Sao Paulo city and one control site: the micronuclei frequencies for early tetrads of Tradescantia pallida (Rose) Hunt. cv. "Purpurea" Boom(hereafter, Trad-MCN) as a short-term indicator of genotoxic response and tree barks to quantify the accumulation of traffic-related chemical elements as a long-term biomarker of air pollution in urban gardens. Mature plants of Tradescantia pallida were exposed in each garden, and their inflorescences were sampled over three months. A random set of 300 early tetrads in 13 to 21 slides per garden were evaluated for micronuclei frequencies. Elemental concentrations in 428 tree barks samples from 107 different trees in the areas surrounding urban gardens were quantified using an energy dispersive X-ray fluorescence spectrometer. The frequency of Trad-MCN has a significant correlation with traffic variables and chemical elements related to road dust and tailpipe emissions deposited in tree barks. Negative associations between Trad-MCN and both the distance through traffic and the presence of vertical obstacles were observed in the community gardens. The Mn/Zn concentrations in tree barks were associated with increased Trad-MCN.

    Palavras-Chave: air pollution; bark; biological markers; buildup; communities; gardening; public health; toxicity; trees; urban areas; x radiation; x-ray spectrometers; brazil

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  • IPEN-DOC 21728

    CARPIO, ISIS E.M.; FRANCO, DIEGO C.; SATO, MARIA I.Z.; SAKATA, SOLANGE ; PELLIZARI, VIVIAN H.; FERREIRA FILHO, SIDNEY S.; RODRIGUES, DEBORA F.. Biostimulation of metal-resistant microbial consertium to remove zinc from contaminated environments. Science of the Total Environment, v. 550, p. 670-675, 2016.

    Palavras-Chave: microorganisms; zinc; adsorption; heavy metals; environment; contamination; chemical analysis; water pollution; remedial action; sediments

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  • IPEN-DOC 16467

    CAMPOS, MONICA S. de; SARKIS, JORGE E.S. ; MULLER, REGINA C.S.; BRABO, EDILSON da S.; SANTOS, ELIZABETE de O.. Correlation between mercury and selenium concentrations in Indian hair from Rondônia State Amazon region, Brazil. Science of the Total Environment, v. 287, n. 1-2, p. 155-161, 2002.

    Palavras-Chave: hair; sample preparation; mercury; selenium; concentration ratio; toxicity; human populations; amazon river

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  • IPEN-DOC 27221

    LAVEZZO, BRUNA; KINOSHITA, ANGELA; FIGUEIREDO, ANA M.G. ; PINHEIRO, MAYARA M.F.; SANTANA, WILLIAM. Detection of rare-earth elements using fiddler crabs Leptuca leptodactyla (Crustacea: Ocypodidae) as bioindicators in mangroves on the coast of São Paulo, Brazil. Science of the Total Environment, v. 738, p. 1-9, 2020. DOI: 10.1016/j.scitotenv.2020.139787

    Abstract: Rare-earth elements have gained significant attention as they are currently widely used in high tech, chemical, and pharmaceutical industries. Here we used the fiddler crabs Leptuca leptodactyla as bioindicators to verify the presence of rare-earth elements in two mangrove areas of the Ubatuba, northern littoral of São Paulo state, Brazil. The specimens were collected in the mangrove areas of the Tavares River and Quiririm-Puruba river system, separated by season (dry and rainy). A total of 243 individuals were collected and analyzed. For determination and quantification of the elements we used the instrumental neutron activation analysis (INAA) technique. In both the dry and rainy season, the elements La, Ce, Sm, Eu, Tb, Yb and Scwere detected in samples of bothmangroves, with La and Ce presenting higher concentrations. Samples from Tavares River mangrove had higher concentration levels of rare-earth elements than those of the Quiririm-Puruba river system. That is probably due to the central geographic position of the Tavares River in Ubatuba, which crosses a large portion of the city and receives a great amount of sewage. On the other hand, the Quiririm-Puruba river system has less anthropogenic inputs, thus, it receives much fewer rare-earth elements when compared to the Tavares River.

    Palavras-Chave: biological markers; mangroves; rare earths; estuaries; aquatic ecosystems; measuring instruments; neutron activation analysis; environment; coastal waters; crabs; sediments; metals; elements; trace amounts

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  • IPEN-DOC 16536

    VASCONCELLOS, PEROLA C. ; SOUZA, DAVI Z.; SANCHEZ CCOYLLO, ODON; BUSTILLOS, JOSE O.V. ; LEE, HELENA; SANTOS, FERNANDO C.; NASCIMENTO, KATIA H.; ARAUJO, MARIA P.; SAARNIO, KARRI; TEINILA, KIMMO; HILLAMO, RISTO. Determination of anthropogenic and biogenic compounds on atmospheric aerosol collected in urban, biomass burning and forest areas in São Paulo, Brazil. Science of the Total Environment, v. 408, n. 23, p. 5836-5844, 2010.

    Palavras-Chave: brazil; urban areas; air pollution; biomass; burns; forests; atmospheres; aerosols; organic compounds; inorganic compounds; biological markers

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  • IPEN-DOC 07388

    BUCHMANN, J.H. ; SARKIS, J.E.S. ; RODRIGUES, C. . Determination of metals in plant samples by using a sector field inductively coupled plasma mass spectrometer. Science of the Total Environment, v. 263, n. 1/3, p. 221-229, 2000.

    Palavras-Chave: icp mass spectroscopy; multi-element analysis; metals; trace amounts; plants; pines; environment

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  • IPEN-DOC 07387

    SANTA ROSA, R.M.S.; MUELLER, R.C.S.; ALVES, C.N.; SARKIS, J.E.S. ; BENTES, M.H.S.; BRABO, E.S.; OLIVEIRA, E.S.. Determination of total mercury in workers' urine in gold shops of Itaituba, Para State, Brazil. Science of the Total Environment, v. 261, n. 1/3, p. 169-176, 2000.

    Palavras-Chave: mercury; occupational exposure; gold; personnel; urine; spectrophotometry; multivariate analysis; statistics

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  • IPEN-DOC 22589

    FIGUEIRA, RUBENS C.L.; TESSLER, MOYSES G.; MAHIQUES, MICHEL M. de; CUNHA, IEDA I.L. . Distribution of 137Cs, 238Pu and 239 + 240Pu in sediments of the southeastern Brazilian shelf–SW Atlantic margin. Science of the Total Environment, v. 357, p. 146-159, 2006.

    Palavras-Chave: alpha spectroscopy; cesium 137; continental shelf; fallout; gamma spectroscopy; nuclear explosions; plutonium 238; plutonium 240; plutonium 239; radioactivity; sediments; distribution; brazil; radioisotopes

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  • IPEN-DOC 07386

    SANTOS, L.S.N.; MUELLER, R.C.S.; SARKIS, J.E.S. ; ALVES, C.N.; BRABO, E.S.; SANTOS, E.O.; BENTES, M.H.S.. Evaluation of total mercury concentrations in fish consumed in the municipality of Itaituba, Tapajos river basin, Para, Brazil. Science of the Total Environment, v. 261, n. 1/3, p. 1-8, 2000.

    Palavras-Chave: mercury; fishes; weight; concentration ratio; spectrophotometry; environmental exposure; brazil; pollution; gold; mining

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  • IPEN-DOC 23525

    ROCHA, ARIANA V.; CARDOSO, BARBARA R.; ZAVARIZE, BRUNA; ALMONDES, KALUCE; BORDON, ISABELLA ; HARE, DOMINIC J.; FAVARO, DEBORAH I.T. ; COZZOLINO, SILVIA M.F.. GPX1 Pro198Leu polymorphism and GSTM1 deletion do not affect selenium and mercury status in mildly exposed Amazonian women in an urban population. Science of the Total Environment, v. 571, p. 801-808, 2016. DOI: 10.1016/j.scitotenv.2016.07.054

    Abstract: Mercury is potent toxicant element, but its toxicity can be reduced by forming a complex with selenium for safe excretion. Considering the impact of mercury exposure in the Amazon region and the possible interaction between these two elements,we aimed to assess the effects of Pro198Leu polymorphism to GPX1 and GSTM1 deletion, on mercury levels in a population from Porto Velho, an urban locality in the Brazilian Amazon region. Two hundredwomen fromthe capital city of Rondônia statewere recruited for this study with 149 deemed suitable to participate. We assessed dietary intake using 24-hour recall. Selenium levels in plasma and erythrocytes were measured using hydride generation quartz tube atomic absorption spectroscopy and total hair mercury using cold vapor atomic absorption spectrometry. Oxidative stress parameters (GPx activity, oxygen radical absorbency capacity [ORAC] and malondialdehyde [MDA]) were also analyzed. All participants were genotyped for Pro198Leu polymorphism and GSTM1 deletion.We observed that this population presented high prevalence of selenium deficiency, and also low levels of mercury, likely due to food habits that did not include seleniumrich food sources or significant consumption of fish (mercury biomagnifiers) regularly. Univariate statistical analysis showed that Pro198Leu and GSTM1 genotypes did not affect seleniumand mercury levels in this population.

    Palavras-Chave: absorption spectroscopy; atomization; environmental impacts; genotype; mercury; selenium; toxicity; urban areas; urban populations; women

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  • IPEN-DOC 05272

    CUNHA, I.I.L.; SEPULVEDA MUNITA, C.J.A. ; PAIVA, R.P. ; TEIXEIRA, A.. Levels of cesium-137 in seawater and fish from the Brazilian coast. Science of the Total Environment, v. 139/140, p. 431-435, 1993.

    Palavras-Chave: cesium 137; seawater; fishes; coastal waters; brazil

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  • IPEN-DOC 26467

    DUARTE, LUIS F. de A.; MORENO, JULIAN B.; CATHARINO, MARILIA G.M. ; MOREIRA, EDSON G. ; TROMBINI, CHIARA; PEREIRA, CAMILO D.S.. Mangrove metal pollution induces biological tolerance to Cd on a crab sentinel species subpopulation. Science of the Total Environment, v. 687, p. 768-779, 2019. DOI: 10.1016/j.scitotenv.2019.06.039

    Abstract: Metals are persistent pollutants, able to accumulate in the biota andmagnify in trophicweb. In the specific case of cadmium contamination, it has been the subject of considerable interest in recent years because of its biological effects and it is one ofmajor pollutant in estuarine areas. Ucides cordatus is considered amangrove local sentinel crab species in Brazil and there are previous studies reporting crab subpopulations living frompristine to heavily metal impacted areas in São Paulo coast (Southeastern Brazil). Taking into account the background knowledge about these subpopulations, we proposed the hypothesis that crabs from a highly polluted mangrove (Cubatão - CUB) have developed biological tolerance to cadmium compared to animals from an Environmental Protected Area (Jureia - JUR). Aiming to verify this hypothesis, we have investigated total bioaccumulation and subcellular partition of Cd, besides biomarkers' responses during a long-termexposure bioassay (28 days, withweekly sampling) using a supposedly safe Cd concentration (0.0022 mg L−1). Specimens from the pristine area (JUR) accumulated higher total Cd, as such as in its biologically active form in gills. Animals living in the polluted site (CUB) presented higher amounts of Cd in themainly detoxifying tissue (hepatopancreas), which could be considered a pathway leading to tolerance for this metal. Multivariate analysis indicated that bioaccumulation (active, detoxified and total Cd) is linked to geno-cytotoxic damages. CUB subpopulationwas considered more tolerant since it presented proportionally less damage and more capacity to allocate Cd in themain detoxifying forms and tissues.

    Palavras-Chave: metals; pollutants; pollution sources; toxicity; mangroves; subcellular distribution; biological markers; crabs; environmental impacts; cadmium; ecological concentration; concentration ratio; brazil

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  • IPEN-DOC 11041

    PINHEIRO, M.C.N.; MULLER, R.C.S.; SARKIS, J.E.S. ; VIEIRA, J.L.F.; OIKAWA, T.; GOMES, M.S.V.; GUIMARAES, G.A.; NASCIMENTO, J.L.M.; SILVEIRA, L.C.L.. Mercury and selenium concentrations in hair samples of women in fertile age from Amazon riverside communities. Science of the Total Environment, v. 349, n. 1-3, p. 284-288, 2005.

    Palavras-Chave: mercury; methylmercury; selenium; radiation doses; hair; sample preparation; women; age groups; fertility; absorption spectroscopy

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  • IPEN-DOC 25806

    PARALOVO, SARAH L.; BARBOSA, CYBELLI G.G.; CARNEIRO, ISABELA P.S.; KURZLOP, PRISCILA; BORILLO, GUILHERME C.; SCHIOCHET, MARIA F.C.; GODOI, ANA F.L.; YAMAMOTO, CARLOS I.; SOUZA, RODRIGO A.F. de; ANDREOLI, RITA V.; RIBEIRO, IGOR O.; MANZI, ANTONIO O.; KOURTCHEV, IVAN; BUSTILLOS, JOSE O.V. ; MARTIN, SCOT T.; GODOI, RICARDO H.M.. Observations of particulatematter, NO2, SO2, O3, H2S and selected VOCs at a semi-urban environment in the Amazon region. Science of the Total Environment, v. 650, p. 996-1006, 2019. DOI: 10.1016/j.scitotenv.2018.09.073

    Abstract: This research aims to assess air quality in a transitional location between city and forest in the Amazon region. Located downwind of the Manaus metropolitan region, this study is part of the large-scale experiment GoAmazon2014/5. Based on their pollutant potential, inhalable particulate matter (PM2.5), nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), hydrogen sulfide (H2S), benzene, toluene, ethylbenzene and meta-, orto-, para-xylene (BTEX) were selected for analysis. Sampling took place during the wet season (March–April 2014) and dry season (August–October 2014). The number of forest fires in the surroundings was higher during the dry wet season. Results show significant increase during the dry season in mass concentration (wet: b0.01–10 μg m−3 ; dry: 9.8–69 μg m−3 ), NH4 + soluble content (wet: 13–125 μg m−3 ; dry: 86–323 μg m−3 ) and K+ soluble content (wet: 11–168 μg m−3 ; dry 60–356 μg m−3 ) of the PM2.5, and O3 levels (wet: 1.4–14 μg m−3 ; dry: 1.0–40 μg m−3 ), indicating influence of biomass burning emissions. BTEX concentrations were lowin both periods, but also increased during the dry season. Aweak correlation in the time series of the organic and inorganic gaseous pollutants indicates a combination of different sources in both seasons and NO2 results suggest a spatial heterogeneity in gaseous pollutants levels beyond initial expectations.

    Palavras-Chave: air quality; brazil; amazon river; forests; urban areas; biomass; statistical data; particulates; air pollution monitoring; environmental effects

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  • IPEN-DOC 16638

    ORLANDO, JOAO P.; ALVIM, DEBORA S.; YAMAZAKI, AMELIA ; CORREA, SERGIO M.; GATTI, LUCIANA V. . Ozone precursors for the São Paulo metropolitan area. Science of the Total Environment, v. 408, n. 7, p. 1612-1620, 2010.

    Palavras-Chave: brazil; ozone; precursor; atmospheric chemistry; air pollution; urban areas; computerized simulation

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  • IPEN-DOC 10392

    MORCELLI, C.P.R.; FIGUEIREDO, A.M.G. ; SARKIS, J.E.S. ; ENZWEILER, J.; KAKAZU, M. ; SIGOLO, J.B.. PGEs and other traffic-related elements in roadside soils from Sao Paulo, Brazil. Science of the Total Environment, v. 345, p. 81-91, 2005.

    Palavras-Chave: catalytic converters; platinum metals; urban areas; pollution control; roads; traffic control

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  • IPEN-DOC 11772

    BURNETT, W.C.; AGGARWAL, P.K.; AURELI, A.; BOKUNIEWICZ, H.; CABLE, J.E.; CHARETTE, M.A.; KONTAR, E.; KRUPA, S.; KULKARNI, K.M.; LOVELESS, A.; MOORE, W.S.; OBERDORFER, J.A.; OLIVEIRA, J. ; OZYURT, N.; POVINEC, P.; PRIVITERA, A.M.G.; RAJAR, R.; RAMESSUR, R.T.; SCHOLTEN, J.; STIEGLITZ, T.; TANIGUCHI, M.; TURNER, J.V.. Quantifyning submarine groundwater discharge in the coastal zone via multiple methods. Science of the Total Environment, v. 367, p. 498-543, 2006.

    Palavras-Chave: coastal regions; fluctuations; ground water; groundwater recharge; igneous rocks; metamorphic rocks; radium isotopes; radon; reviews; seas; seasonal variations; shores; submarines

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  • IPEN-DOC 14202

    BOSCOV, M.E.G.; CUNHA, IEDA I.L.; SAITO, ROBERTO T.. Radiation migration through clay liners at waste disposal sites. Science of the Total Environment, v. 2006, n. 1-3, p. 259-264, 2001.

    Palavras-Chave: bismuth 214; clays; liners; mill tailings; radionuclide migration; radium 226; uranium ores; waste disposal; waste water

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  • IPEN-DOC 19654

    CID, A.S.; ANJOS, R.M.; ZAMBONI, C.B. ; VELASCO, H.; MACARIO, K.; RIZZOTTO, M.; MEDEIROS, I.M.A.; JURI AYUB, J.; AUDICIO, P.. Temporal evolution of sup(137)Cssup(+), Ksup(+),Nasup(+) in fruits of South American tropical species. Science of the Total Environment, v. 444, p. 115-120, 2013.

    Palavras-Chave: fruits; tropical regions; lemons; coconuts; concentration ratio; cesium 137; potassium; sodium; gamma spectroscopy; neutron activation analysis

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A pesquisa no RD utiliza os recursos de busca da maioria das bases de dados. No entanto algumas dicas podem auxiliar para obter um resultado mais pertinente.

É possível efetuar a busca de um autor ou um termo em todo o RD, por meio do Buscar no Repositório , isto é, o termo solicitado será localizado em qualquer campo do RD. No entanto esse tipo de pesquisa não é recomendada a não ser que se deseje um resultado amplo e generalizado.

A pesquisa apresentará melhor resultado selecionando um dos filtros disponíveis em Navegar

Os filtros disponíveis em Navegar tais como: Coleções, Ano de publicação, Títulos, Assuntos, Autores, Revista, Tipo de publicação são autoexplicativos. O filtro, Autores IPEN apresenta uma relação com os autores vinculados ao IPEN; o ID Autor IPEN diz respeito ao número único de identificação de cada autor constante no RD e sob o qual estão agrupados todos os seus trabalhos independente das variáveis do seu nome; Tipo de acesso diz respeito à acessibilidade do documento, isto é , sujeito as leis de direitos autorais, ID RT apresenta a relação dos relatórios técnicos, restritos para consulta das comunidades indicadas.

A opção Busca avançada utiliza os conectores da lógica boleana, é o melhor recurso para combinar chaves de busca e obter documentos relevantes à sua pesquisa, utilize os filtros apresentados na caixa de seleção para refinar o resultado de busca. Pode-se adicionar vários filtros a uma mesma busca.

Exemplo:

Buscar os artigos apresentados em um evento internacional de 2015, sobre loss of coolant, do autor Maprelian.

Autor: Maprelian

Título: loss of coolant

Tipo de publicação: Texto completo de evento

Ano de publicação: 2015

Para indexação dos documentos é utilizado o Thesaurus do INIS, especializado na área nuclear e utilizado em todos os países membros da International Atomic Energy Agency – IAEA , por esse motivo, utilize os termos de busca de assunto em inglês; isto não exclui a busca livre por palavras, apenas o resultado pode não ser tão relevante ou pertinente.

95% do RD apresenta o texto completo do documento com livre acesso, para aqueles que apresentam o significa que e o documento está sujeito as leis de direitos autorais, solicita-se nesses casos contatar a Biblioteca do IPEN, bibl@ipen.br .

Ao efetuar a busca por um autor o RD apresentará uma relação de todos os trabalhos depositados no RD. No lado direito da tela são apresentados os coautores com o número de trabalhos produzidos em conjunto bem como os assuntos abordados e os respectivos anos de publicação agrupados.

O RD disponibiliza um quadro estatístico de produtividade, onde é possível visualizar o número dos trabalhos agrupados por tipo de coleção, a medida que estão sendo depositados no RD.

Na página inicial nas referências são sinalizados todos os autores IPEN, ao clicar nesse símbolo será aberta uma nova página correspondente à aquele autor – trata-se da página do pesquisador.

Na página do pesquisador, é possível verificar, as variações do nome, a relação de todos os trabalhos com texto completo bem como um quadro resumo numérico; há links para o Currículo Lattes e o Google Acadêmico ( quando esse for informado).

ATENÇÃO!

ESTE TEXTO "AJUDA" ESTÁ SUJEITO A ATUALIZAÇÕES CONSTANTES, A MEDIDA QUE NOVAS FUNCIONALIDADES E RECURSOS DE BUSCA FOREM SENDO DESENVOLVIDOS PELAS EQUIPES DA BIBLIOTECA E DA INFORMÁTICA.

O gerenciamento do Repositório está a cargo da Biblioteca do IPEN. Constam neste RI, até o presente momento 20.950 itens que tanto podem ser artigos de periódicos ou de eventos nacionais e internacionais, dissertações e teses, livros, capítulo de livros e relatórios técnicos. Para participar do RI-IPEN é necessário que pelo menos um dos autores tenha vínculo acadêmico ou funcional com o Instituto. Nesta primeira etapa de funcionamento do RI, a coleta das publicações é realizada periodicamente pela equipe da Biblioteca do IPEN, extraindo os dados das bases internacionais tais como a Web of Science, Scopus, INIS, SciElo além de verificar o Currículo Lattes. O RI-IPEN apresenta também um aspecto inovador no seu funcionamento. Por meio de metadados específicos ele está vinculado ao sistema de gerenciamento das atividades do Plano Diretor anual do IPEN (SIGEPI). Com o objetivo de fornecer dados numéricos para a elaboração dos indicadores da Produção Cientifica Institucional, disponibiliza uma tabela estatística registrando em tempo real a inserção de novos itens. Foi criado um metadado que contém um número único para cada integrante da comunidade científica do IPEN. Esse metadado se transformou em um filtro que ao ser acionado apresenta todos os trabalhos de um determinado autor independente das variáveis na forma de citação do seu nome.

A elaboração do projeto do RI do IPEN foi iniciado em novembro de 2013, colocado em operação interna em julho de 2014 e disponibilizado na Internet em junho de 2015. Utiliza o software livre Dspace, desenvolvido pelo Massachusetts Institute of Technology (MIT). Para descrição dos metadados adota o padrão Dublin Core. É compatível com o Protocolo de Arquivos Abertos (OAI) permitindo interoperabilidade com repositórios de âmbito nacional e internacional.

1. Portaria IPEN-CNEN/SP nº 387, que estabeleceu os princípios que nortearam a criação do RDI, clique aqui.


2. A experiência do Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP) na criação de um Repositório Digital Institucional – RDI, clique aqui.