Search Results - "Sêco, Sérgio L. R."

Radon and thoron concentrations in the southwest region of Angola: dose assessment and implications for risk mapping by Baptista, Edson, Pereira, Alcides J. S. C., Domingos, Filipa P., Sêco, Sérgio L. R.

“…Indoor radon ( 222 Rn) and thoron ( 220 Rn) are the most important natural sources of ionizing radiation to the public. Radiological studies that assess…”
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Estimation of the radon production potential in sedimentary rocks: A case study in the Lower and Middle Jurassic of the Lusitanian Basin (Portugal) by Sêco, Sérgio L.R., Domingos, Filipa P., Pereira, Alcides J.S.C., Duarte, Luís V.

“…The correlation between radon exposure and the increased probability of lung cancer is widely recognized. In Portugal, several efforts have been made to…”
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Exposure to radon gas in groundwater in southwest Angola (Lubango-Huíla): Implications of geology and climate change by Baptista, Edson, Pereira, Alcides J.S.C., Domingos, Filipa P., Sêco, Sérgio L.R., Luís, Gustavo P.S.

“…In southern African countries most of the population uses groundwater collected in dug wells for domestic consumption instead of water from public distribution…”
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Thoron and radon exhalation and emanation from granitic rocks outcropping in the Central Iberian Zone (Portugal) by Domingos, Filipa P., Sêco, Sérgio L. R., Pereira, Alcides J. S. C.

“…Terrestrial radionuclides present in soil, bedrock and building materials are considered the main source of indoor radon ( 222 Rn) and thoron ( 220 Rn). Due to…”
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Sources of uncertainty in field gamma-ray spectrometry: Implications for exploration in the Lower-Middle Jurassic sedimentary succession of the Lusitanian Basin (Portugal) by Sêco, Sérgio L.R., Pereira, Alcides J.S.C., Duarte, Luís V., Domingos, Filipa P.

“…Uncertainties related to in situ gamma-ray spectrometry measurements have been widely acknowledged. Despite being commonly used in exploration, the evaluation…”
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Field gamma-ray patterns and stratigraphic reinterpretation of offshore well-log data from Lower Jurassic organic-rich units of the Lusitanian Basin (Portugal) by Sêco, Sérgio L.R., Duarte, Luís V., Pereira, Alcides J.S.C., Silva, Ricardo L.

“…Lower Jurassic (Sinemurian–Pliensbachian) successions cropping out in onshore areas of the Lusitanian Basin provide detailed information of three well…”
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Application of petrophysical methods to estimate total organic carbon in Lower Jurassic source rocks from the offshore Lusitanian Basin (Portugal) by Sêco, Sérgio L.R., Silva, Ricardo L., Watson, Neil, Duarte, Luís V., Pereira, Alcides J.S.C., Wach, Grant

“…Lower Jurassic outcrops in the westernmost part of the Lusitanian Basin (São Pedro de Moel area, Portugal) reveal three stratigraphic units with source rock…”
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