Now showing items 1-20 of 24

    • 222Rn as a tracer for air mass transport characterization at 100-m-high tower in the south-west Spanish coast 

      Grossi, Claudia (Universitat Politècnica de Catalunya, 2012-03-30)
      Doctoral thesis
      Open Access
      Es los últimos años se han llevado a cabo importantes trabajos de investigación, tomando el gas radón como elemento de evaluación en modelos de transporte atmosférico y así estimar el flujo de partículas. Además la utilización ...
    • Analysis of ground-based Rn-222 measurements over Spain: filling the gap in southwestern Europe 

      Grossi, Claudia; Agueda Costafreda, Alba; Vogel, Felix; Vargas Drechsler, Arturo; Zimnoch, M.; Wach, P.; Martín, J. E.; López Coto, Israel; Bolívar Raya, Juan Pedro; Morguí, Josep Anton; Rodó, Xavier (2016-09-27)
      Article
      Open Access
      Harmonized atmospheric 222Rn observations are required by the scientific community: these data have been lacking in southern Europe. We report on three recently established ground-based atmospheric 222Rn monitoring stations ...
    • Analysis of the vertical radon structure at the Spanish "El Arenosillo" tower station 

      Vargas Drechsler, Arturo; Arnold, Delia; Adame, José Antonio; Grossi, Claudia; Hernández Ceballos, Miguel Ángel; Bolívar Raya, Juan Pedro (Elsevier, 2015-01-01)
      Article
      Restricted access - publisher's policy
      This paper presents an analysis of one year of hourly radon and meteorological measurements at 10 m and 100 m a.g.l. at El Arenosillo tall-tower station, in the south-west of the Iberian Peninsula. Whole-year and seasonal ...
    • Applicability of the closed-circuit accumulation chamber technique to measure radon surface exhalation rate under laboratory conditions 

      Gutiérrez Álvarez, Isidoro; Martín Domínguez, José Enrique; Adame, José Antonio; Grossi, Claudia; Vargas Drechsler, Arturo; Bolívar Raya, Juan Pedro (2020-04-01)
      Article
      Open Access
      A layer of phosphogypsum was placed at the bottom of two large volume boxes. This system allowed to measure the surface radon exhalation from phosphogypsum without altering the emitting material. The limits and optimal ...
    • Application of atmospheric transport models at the new atmospheric Ebre Delta station (ClimaDat Network) in Eastern Spain 

      Grossi, Claudia; Curcoll, Roger; Morguí, J.A.; Àgueda, A.; Ealo, M.; Occhipinti, P.; Nofuentes, M.; Sánchez-García, L.; Batet Torrell, Óscar; Vargas Drechsler, Arturo; Vermeulen, A.T.; Rodó, X. (2010)
      Conference lecture
      Restricted access - publisher's policy
      The Ebre Delta atmospheric station (DEC3) was installed in Eastern Spain, within the framework of the ClimaDat project of the Institut Català de Ciències del Clima (IC3). This station offers continuous measurements of ...
    • Atmospheric Carbon Dioxide variability at Aigüestortes, Central Pyrenees, Spain 

      Curcoll, Roger; Camarero, Lluís; Bacardit, Montse; Agueda Costafreda, Alba; Grossi, Claudia (2018-01-01)
      Article
      Open Access
    • Effectiveness analysis of filters used with radon detectors under extreme environmental conditions for long-term exposures 

      Moreno Balta, Victoria; Font Guiteras, Lluís; Baixeras, Carmen; Garcia Orellana, Jordi; Grossi, Claudia; Vargas Drechsler, Arturo (Elsevier, 2015-02-04)
      Article
      Open Access
      Active and passive radon detectors have been exposed with different filter configurations at the INTE radon chamber controlled conditions. Correction factors and delay times of the radon diffusion through each filter have ...
    • First estimation of CH4fluxes using the222Rn Tracer Method over the central Iberian Peninsula 

      Grossi, Claudia; Vogel, Felix; Morguí, Josep Anton; Curcoll Masanes, Roger; Agueda Costafreda, Alba; Batet Torrell, Óscar; Nofuentes, Manel; Occhipinti, Paola; Vargas Drechsler, Arturo; Rodó, Xavier (WIT Press, 2014)
      Conference report
      Open Access
      Emissions of CH4 over the central Iberian Peninsula have been estimated experimentally for the first time using the Radon Tracer Method (RTM), which uses the atmospheric noble radioactive gas 222Rn as an auxiliary tracer. ...
    • High efficiency and portable monitor of atmospheric radon concentration activity for environmental applications 

      Curcoll Masanes, Roger; Grossi, Claudia; Vargas, Arturo (European Geosciences Union (EGU), 2021)
      Conference lecture
      Open Access
    • Influence of long-range atmospheric transport pathways and climate teleconnection patterns on the variability of surface Pb-210 and Be-7 concentrations in southwestern Europe 

      Grossi, Claudia; Ballester, Joan; Serrano Carreño, M. Isabel; Galmarini, Stefano; Camacho García, Antonia; Curcoll, Roger; Morguí, Josep Anton; Rodó, Xavier; Duch Guillen, María Amor (Elsevier, 2016-12-01)
      Article
      Open Access
      The variability of the atmospheric concentration of the 7Be and 210Pb radionuclides is strongly linked to the origin of air masses, the strength of their sources and the processes of wet and dry deposition. It has been ...
    • Influence of the Fukushima Dai-ichi nuclear accident on Spanish environmental radioactivity levels 

      Baeza, A.; Corbacho, J.A.; Rodríguez, Alicia; Galván, J.; García Tenorio, R.; Manjón, G.; Mantero, Juan; Vioque, I.; Arnold Arias, Dèlia; Grossi, Claudia; Serrano Carreño, M. Isabel; Valles Murciano, M. Isabel; Vargas Drechsler, Arturo (Elsevier, 2012-12)
      Article
      Restricted access - publisher's policy
      This paper presents measurements of the effect of the atmospheric radioactive release from the Fukushima Dai-ichi nuclear power station at three sites belonging to the Spanish environmental monitoring system. Measured ...
    • Inter-comparison of commercial continuous radon monitors responses 

      Radulescu, Ileana; Calin, M. R.; Luca, A.; Röttger, Annette; Grossi, Claudia; Done, Laurentiu; Ioan, M. R. (2022-01)
      Article
      Open Access
      Indoor and outdoor (atmospheric) radon activity concentrations need to be measured as accurate as possible for radiation protection and for climate applications. Particularly radon concentrations below 100 Bq m -3, useful ...
    • Inter-comparison of different direct and indirect methods to determine radon flux from soil 

      Grossi, Claudia; Vargas Drechsler, Arturo; Camacho García, Antonia; Lopez Coto, I.; Bolivar, J.P; Xia, Yu; Conen, F. (2011-01)
      Article
      Restricted access - publisher's policy
      The physical and chemical characteristics of radon gas make it a good tracer for use in the application of atmospheric transport models. For this purpose the radon source needs to be known on a global scale and this is ...
    • Intercomparison of Radon Flux Monitors at Low and at High Radium Content Areas under Field Conditions 

      Rábago, Daniel; Quindós, Luis; Vargas Drechsler, Arturo; Sainz, Carlos; Radulescu, Ileana; Razvan Ioan, Mihail; Cardellini, Francesco; Capogni, Marco; Rizzo, Alessandro; Celaya, Santiago; Fuente, Ismael; Fuente, Marta; Grossi, Claudia; Rodríguez, Maria (2022-04-01)
      Article
      Open Access
      Interlaboratory exercises are a good tool to compare the response of different systems to the same quantity and to identify possible inconsistencies between them. One of the main goals of the EMPIR 19ENV01 traceRadon project ...
    • Intercomparison study of atmospheric 222Rn and 222Rn progeny monitors 

      Grossi, Claudia; Chambers, Scott Dudley; Vogel, Felix; Vargas Drechsler, Arturo (2020-05-08)
      Article
      Open Access
      The use of the noble gas radon (222Rn) as a tracer for different research studies, for example observation-based estimation of greenhouse gas (GHG) fluxes, has led to the need of high-quality 222Rn activity concentration ...
    • Low-level radon activity concentration—A metroRADON international intercomparison 

      Otáhal, Petr; Fialova, Eliska; Vosahlik, Josef; Wiedner, Hannah; Grossi, Claudia; Vargas Drechsler, Arturo; Michielsen, Nathalie; Turtiainen, Tuukka; Luca, Aurelian; Woloszczuk, Katarzyna; Beck, Thomas R. (2022-05-10)
      Article
      Open Access
      An international comparison of continuous monitors measuring radon activity concentration was performed to validate the traceability of the European radon calibration facilities. It was carried out by comparing the secondary ...
    • Metrology for low-cost CO2 sensors applications: the case of a steady-state through-flow (SS-TF) chamber for CO2 fluxes observations 

      Curcoll Masanes, Roger; Morguí, Josep-Anton; Kamnang, Armand; Cañas, Lidia; Vargas Drechsler, Arturo; Grossi, Claudia (2022-05-09)
      Article
      Open Access
      Soil CO2 emissions are one of the largest contributions to the global carbon cycle, and a full understanding of processes generating them and how climate change may modify them is needed and still uncertain. Thus, a dense ...
    • New metrology for radon at the environmental level 

      Röttger, Annette; Röttger, Stefan; Grossi, Claudia; Vargas Drechsler, Arturo; Curcoll Masanes, Roger; Otáhal, Petr; Hernández Ceballos, Miguel Ángel; Cinelli, Giorgia; Chambers, Scott Dudley; Barbosa, Susana Alexandra; Ioan, M. R.; Radulescu, Ileana (2021-09-23)
      Article
      Open Access
      Radon gas is the largest source of public exposure to naturally occurring radioactivity. However, radon is also a useful tracer for understanding atmospheric processes, assessing the accuracy of chemical transport models, ...
    • Quality study of electret radon flux monitors by an “in situ” intercomparison campaign in Spain 

      Grossi, Claudia; Vargas Drechsler, Arturo; Arnold, Delia (International Energy Agency, 2011)
      Conference report
      Open Access
      Radon is nowadays used as a tracer for atmospheric transport model validation because of its physical and chemical characteristics. 222Rn source term characterization becomes necessary for more accurate validations into ...
    • Radon 

      Grossi, Claudia (2019-05-01)
      Part of book or chapter of book
      Open Access
      Radon isotopes (222Rn, 220Rn) are noble, naturally occurring radioactive gases. They originate from the alpha decay of radium isotopes (226Ra, 224Ra), which occur in most materials in the environment, i.e. soil, rocks, raw ...