MELQUIADES
CASAS RUIZ
Catedrático de Universidad
Publications (56) Publications de MELQUIADES CASAS RUIZ
2024
2023
2021
2019
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An improved method for radium-isotopes quartet determination by alpha-particle spectrometry by using 225Ra (229Th) as isotopic tracer
Journal of Environmental Radioactivity, Vol. 196, pp. 113-124
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Fractionation of U and heavy metals into the colloidal fraction in acid mine drainage conditions in the Río Tinto area (SW Spain)
Journal of Contaminant Hydrology, Vol. 222, pp. 65-75
2018
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From floodplain to aquatic sediments: Radiogeochronological fingerprints in a sediment core from the mining impacted Sancho Reservoir (SW Spain)
Science of the Total Environment, Vol. 631-632, pp. 866-878
2017
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Precise determination of HPGe detector efficiency for gamma spectrometry measurements of environmental samples with variable geometry and density
Nukleonika, Vol. 62, Núm. 1, pp. 47-59
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Theoretical determination of gamma spectrometry systems efficiency based on probability functions. Application to self-attenuation correction factors
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 854, pp. 31-39
2016
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A multiproxy study distinguishes environmental change from diagenetic alteration in the recent sedimentary record of the inner Cadiz Bay (SW Spain)
Holocene, Vol. 26, Núm. 9, pp. 1355-1370
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Calibration of a low background gas-flow proportional counter to estimate 234Th activity in coastal waters
Applied Radiation and Isotopes, Vol. 118, pp. 201-210
2015
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Dissolved versus colloidal U and Th under acid mine drainage conditions in Rio Tinto area (Spain)
11TH APPLIED ISOTOPE GEOCHEMISTRY CONFERENCE AIG-11
2014
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Application of 234U/238U activity ratios to investigations of subterranean groundwater discharge in the Cádiz coastal area (SW Spain)
Journal of Environmental Radioactivity, Vol. 130, pp. 68-71
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Influencia de los coloides en el comportamiento del uranio en aguas procedentes del drenaje ácido de Río Tinto
Macla: revista de la Sociedad Española de Mineralogía, Núm. 19
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Mobility of Po and U-isotopes under acid mine drainage conditions: An experimental approach with samples from Río Tinto area (SW Spain)
Journal of Environmental Radioactivity, Vol. 138, pp. 384-389
2013
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Leaching of uranyl-silica complexes from the host metapelite rock favoring high radon activity of subsoil air: Case of Castañar cave (Spain)
Journal of Radioanalytical and Nuclear Chemistry, Vol. 298, Núm. 3, pp. 1567-1585
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Mesoscale behavior of 7be and 210pb in superficial air along the gulf ofcadiz (south of iberian peninsula)
Atmospheric Environment, Vol. 80, pp. 75-84
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Tidal circulation, sediment and pollutant transport in Cádiz Bay (SW Spain): A modelling study
Ocean Engineering, Vol. 69, pp. 60-69
2012
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Estimation of annual effective dose due to natural and man-made radionuclides in the metropolitan area of the Bay of Cadiz (SW of Spain)
Radiation Protection Dosimetry, Vol. 150, Núm. 1, pp. 60-70
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Radiological risk assessment of naturally occurring radioactive materials in marine sediments and its application in industrialized coastal areas: Bay of Algeciras, Spain
Environmental Earth Sciences, Vol. 66, Núm. 4, pp. 1175-1181
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Riesgo radiológico asociado a radionucleidos emisores Gamma en el sedimento marino de la Bahía de Algeciras
Almoraima: revista de estudios campogibraltareños, Núm. 43, pp. 159-178