María Villa Alfageme

Profesora Titular de Universidad
mvilla@us.es
Área de conocimiento: Física Aplicada
Departamento: Física Aplicada II
Grupo: FISICA NUCLEAR APLICADA (RNM-138)
Prog. doctorado: Programa de Doctorado en Ciencias y Tecnologías Físicas (RD. 99/2011)
Tipo Año Título Fuente
Artículo2021 Correlation of phytoplankton satellite observations and radiological doses in molluscs. MARINE POLLUTION BULLETIN
Artículo2020 Analysis of a major Aeolian dust input event and its impact on element fluxes and inventories at the DYFAMED site (Northwestern Mediterranean) MARINE CHEMISTRY
Artículo2020 Arctic Observations Identify Phytoplankton Community Composition as Driver of Carbon Flux Attenuation GEOPHYSICAL RESEARCH LETTERS
Artículo2020 The oceans’ twilight zone must be studied now, before it is too late NATURE
Artículo2019 Comparison and validation of methods for the determination of Sr-90 by Cerenkov counting in biological and sediment samples, including green chemistry metrics JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Artículo2019 Distribution of U-236 in the US GEOTRACES Eastern Pacific Zonal Transect and its use as a water mass tracer CHEMICAL GEOLOGY
Artículo2018 A microscopic simulation of particle flux in ocean waters: Application to radioactive pair disequilibrium GEOCHIMICA ET COSMOCHIMICA ACTA
Artículo2018 Comparison of solvent extraction and extraction chromatography resin techniques for uranium isotopic characterization in high-level radioactive waste and barrier materials APPLIED RADIATION AND ISOTOPES
Artículo2018 Isolation of U-236 and Pu-239,Pu-240 from seawater samples and its determination by Accelerator Mass Spectrometry TALANTA
Artículo2018 Natural and artificial radionuclides in a marine core. First results of U-236 in North Atlantic Ocean sediments JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
Artículo2018 Recent evolution of I-129 levels in the Nordic Seas and the North Atlantic Ocean SCIENCE OF THE TOTAL ENVIRONMENT
Artículo2018 Th-234-Derived Particle Fluxes and Seasonal Variability: When Is the SS Assumption Reliable? Insights From a Novel Approach for Carbon Flux Simulation GEOPHYSICAL RESEARCH LETTERS
Artículo2018 The behaviour of U-236 in the North Atlantic Ocean assessed from numerical modelling: A new evaluation of the input function into the Arctic SCIENCE OF THE TOTAL ENVIRONMENT
Artículo2018 The GEOTRACES Intermediate Data Product 2017 CHEMICAL GEOLOGY
Artículo2017 A sequential determination of Sr-90 and Po-210 in food samples FOOD CHEMISTRY
Artículo2016 Geographical, seasonal, and depth variation in sinking particle speeds in the North Atlantic GEOPHYSICAL RESEARCH LETTERS
Artículo2016 Influence of bloom dynamics on Particle Export Efficiency in the North Atlantic: a comparative study of radioanalytical techniques and sediment traps MARINE CHEMISTRY
Artículo2016 Rapid determination of Pb-210 and Po-210 in water and application to marine samples TALANTA
Artículo2015 Analysis of U-236 and plutonium isotopes, (PU)-P-239,240, on the 1 MV AMS system at the Centro Nacional de Aceleradores, as a potential tool in oceanography NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Artículo2015 The behaviour of I-129 released from nuclear fuel reprocessing factories in the North Atlantic Ocean and transport to the Arctic assessed from numerical modelling MARINE POLLUTION BULLETIN
Artículo2015 Uranium immobilization by FEBEX bentonite and steel barriers in hydrothermal conditions CHEMICAL ENGINEERING JOURNAL
Artículo2014 Competitive effect of the metallic canister and clay barrier on the sorption of Eu3+ under subcritical conditions APPLIED GEOCHEMISTRY
Artículo2014 Effect of clays and metal containers in retaining Sm3+ and ZrO2+ and the process of reversibility AMERICAN MINERALOGIST
Artículo2014 Observations and modeling of slow-sinking particles in the twilight zone GLOBAL BIOGEOCHEMICAL CYCLES
Artículo2014 Quantification and comparison of the reaction properties of FEBEX and MX-80 clays with saponite: Europium immobilisers under subcritical conditions APPLIED CLAY SCIENCE
Artículo2014 Sequestration efficiency in the iron-limited North Atlantic: Implications for iron supply mode to fertilized blooms GEOPHYSICAL RESEARCH LETTERS
Ponencia2013 129I Concentrations in Surface and Deep Seawater from the Irish Sea and the Atlantic Ocean Mineralogical Magazine
Artículo2013 AMS measurements of I-129 in seawater around Iceland and the Irminger Sea NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Artículo2013 Export of organic carbon and biominerals derived from Th-234 and Po-210 at the Porcupine Abyssal Plain DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
Artículo2013 Radionuclide activities and metal concentrations in sediments of the Sebou Estuary, NW Morocco, following a flooding event ENVIRONMENTAL MONITORING AND ASSESSMENT
Artículo2012 Determination of trace element concentrations and stable lead, uranium and thorium isotope ratios by quadrupole-ICP-MS in NORM and NORM-polluted sample leachates JOURNAL OF HAZARDOUS MATERIALS
Artículo2012 On the proportion of ballast versus non-ballast associated carbon export in the surface ocean GEOPHYSICAL RESEARCH LETTERS
Capítulo2012 Uranium pollution in an estuary affected by two different contamination sources Springer Geology
Artículo2011 Evaluation of different parameters affecting the liquid scintillation spectrometry measurement of gross alpha and beta index in water samples APPLIED RADIATION AND ISOTOPES
Revisión2011 Interaction of Eu-isotopes with saponite as a component of the engineered barrier APPLIED CLAY SCIENCE
Artículo2011 Uranium pollution in an estuary affected by pyrite acid mine drainage and releases of naturally occurring radioactive materials MARINE POLLUTION BULLETIN
Ponencia2011 Uranium pollution in an estuary affected by two different contamination sources The New Uranium Mining Boom: Challenge and Lessons Learned
Artículo2010 An intercomparison of Monte Carlo codes used for in-situ gamma-ray spectrometry RADIATION MEASUREMENTS
Ponencia2010 Geochronology of recent sediments from the Cariaco Trench (Venezuela) by Alpha Spectrometry of Pb-210 ((210)po). VIII LATIN AMERICAN SYMPOSIUM ON NUCLEAR PHYSICS AND APPLICATIONS
Artículo2009 Contamination and restoration of an estuary affected by phosphogypsum releases SCIENCE OF THE TOTAL ENVIRONMENT
Artículo2009 Radioactivity contents in dicalcium phosphate and the potential radiological risk to human populations JOURNAL OF HAZARDOUS MATERIALS
Ponencia2008 Measurement of Pb-210 and its application to evaluate contamination in an area affected by NORM releases NATURAL RADIATION ENVIRONMENT
Artículo2008 Numerical analysis of alpha spectra using two different codes APPLIED RADIATION AND ISOTOPES
Ponencia2008 Time evolution of activity concentration of natural emitters in a scenario affected by previous phosphogypsum contamination NATURAL RADIATION ENVIRONMENT
Artículo2007 A self-sufficient and general method for self-absorption correction in gamma-ray spectrometry using GEANT4 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Artículo2007 Calibration and measurement of Pb-210 using two independent techniques RADIATION MEASUREMENTS
Artículo2007 COLOUR QUENCHING CORRECTIONS ON THE MEASUREMENT OF 90SR THROUGH CERENKOV COUNTING ANALYTICA CHIMICA ACTA
Artículo2007 Modeling of Ra-226 behavior in a Spanish estuary affected by the phosphate industry JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Artículo2005 Determination of Ra-226 and Ra-224 in sediments samples by liquid scintillation counting RADIATION MEASUREMENTS
Artículo2005 Self-cleaning in an estuarine area formerly affected by Ra-226 anthropogenic enhancements: numerical simulations SCIENCE OF THE TOTAL ENVIRONMENT
Artículo2004 Low-level measurements of tritium in water APPLIED RADIATION AND ISOTOPES
Artículo2004 Self-cleaning in an estuarine area formerly affected by Ra-226 anthropogenic enhancements SCIENCE OF THE TOTAL ENVIRONMENT
Artículo2003 Study of colour quenching effects in the calibration of liquid scintillation counters: the case of Pb-210 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

Proyectos de Investigación

Fecha de inicio Fecha de fin Rol Denominación Agencia financiadora
01/03/2006 28/02/2009 Investigador/a Técnicas ultrasensibles para la determinación de radionucleidos en materiales ambientales (EXC/2005/RNM-419) Junta de Andalucía (Plan Andaluz de Investigación) (Autonómico)
01/01/2016 30/04/2019 Investigador/a Resolución de Problemas Ambientales Marinos y Terrestres Clave Mediante Nuevos Desarrollos en Espectrometría de Masas con Acelerador de Baja Energía (Leams) en el CNA (FIS2015-69673-P) Ministerio de Economía y Competitividad (Nacional)
05/10/2021 31/12/2022 Responsable Radioactive TRACErs and novel modelling techniques for an accurate quantification of the biological pump and ocean CARBON storage. TRACECARBON (P20_01217) Consejería de Economía, Conocimiento, Empresas y Universidad (Autonómico)
28/12/2001 27/12/2004 Investigador/a Determinación de 129I y 36CI mediante espectrometría de masas con aceleradores (AMS) (BFM2001-3880) Ministerio de Ciencia y Tecnología (Nacional)
01/01/2013 31/12/2015 Investigador/a Espectrometría de Masas con Aceleradores de Baja Energías (Leams) en el Centro Nacional de Aceleradores (CNA): Datación y Aplicaciones Ambientales (FIS2012-31853) Ministerio de Economía y Competitividad (Nacional)
01/02/2020 30/04/2022 Responsable AMS and radiometrically determined radionuclides as tracers of natural processes in the Arctic and Southern Oceans (US-1263369) Junta de Andalucía (Consejería de Economía y Conocimiento) (Autonómico)
01/01/2009 30/06/2012 Investigador/a Nuevos desarrollos en espectrometría de masas con aceleradores de baja energía: medidas en la instalación del Centro Nacional de Aceleradores (C.N.A.) (FIS2008-01149) Ministerio de Ciencia e Innovación (Nacional)
31/01/2008 31/12/2012 Investigador/a Aplicación de Técnicas de Datación por Isótopos Radiactivos en Ecosistemas Naturales Andaluces (P07-RNM-02567) Junta de Andalucía - Consejería de Innovación, Ciencia y Empresas (Autonómico)
01/01/2019 30/06/2022 Investigador/a Buscando los Limites en Espectrometría Masas con Acelerador de Baja Energía (Leams) en el Centro Nacional de Aceleradores (CNA): Métodos y Aplicaciones (PGC2018-094546-B-I00) Ministerio de Ciencia, Innovación y Universidades (Nacional)

Contratos

Fecha de inicio Fecha de fin Rol Denominación Agencia financiadora
28/05/2015 27/05/2017 Investigador/a Análisis comparativo de la retención de Cesio e Iodo por barreras reactivas de arcillas: Escala Prepiloto (2575/0334) Empresa Nacional de Residuos Radiactivos, S.A. (Nacional)
01/09/2011 31/03/2013 Investigador/a Caracterización de mecanismos de retención de actínidos en micas sintética: Aplicaión a la retención de cesio y yodo. (1328/0334) Empresa Nacional de Residuos Radiactivos, S.A. (Nacional)
30/12/1998 31/12/1999 Investigador/a PROGRAMA DE VIGILANCIA RADIOLÓGICA AMBIENTAL (OG-024/99)

Ayudas

Fecha de inicio Fecha de fin Rol Denominación Agencia financiadora
13/02/2011 18/02/2011 Responsable 2011 ASLO Aquatic Sciences Meeting. Lugar y fecha: Puerto Rico, del 13 al 18 de Febrero de 2011 (PP2011-06-011) Universidad de Sevilla (Local)
01/01/2021 31/12/2022 Investigador/a Hacia horizonte Europa: desarrollo de una plataforma digital para la promoción del nuevo programa marco y fortalecimiento de los recursos humanos (ECT2020-000780) Ministerio de Ciencia e Innovación (Nacional)