José A. Gómez

Recent international recommendations have included exposure to natural radiation as one of the sources to monitor in certain occupationally exposed groups. Among those mentioned are workers in thermal spas, who may be exposed to high radiation doses due to the high concentration of radon in the indoor air of the spa. This paper presents the methodology and the results of an evaluation of radiation doses to the staff in different thermal spas in Spain. Different series of samples were collected and measurements made for the radon concentrations in water in 54 spas and in air in 20 spas. In six of the latter group, the air radon concentration was studied in different working areas occupied by the employees. The radon concentrations in water were between <2 and 775 x 10(3) Bq m(-3). The radon concentrations in air were between <10 and 5,200 Bq m(-3). The latter were used to estimate the dose received by each occupational group in the spa by taking into account the radon concentration in their main working area. By means of an exposure-dose conversion factor of 1.43 Sv per J h m(-3), the estimated effective doses were found to lie between 1 and 44 mSv y(-1). This upper limit is higher than the recommended annual limit of 20 mSv y(-1) for an occupational dose.

Radon exposure

Occupational exposure limit

Radon gas

10.1097/00004032-199904000-00008

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Evaluation of an unpalatable species ( Anthemis arvensis L.) as an alternative cover crop in olive groves under high grazing pressure by rabbits

Agriculture Ecosystems & Environment (2017)

Antonio J. Carpio María-Auxiliadora Soriano José Guerrero‐Casado Laura M. Prada Francisco S. Tortosa

Grazing pressure

Plant cover

10.1016/j.agee.2017.05.028

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Vulnerability of olive orchards under the current CAP (Common Agricultural Policy) regulations on soil erosion: a study case in Southern Spain

Land Use Policy (2014)

E. V. Taguas José A. Gómez

Orchard

Conventional tillage

10.1016/j.landusepol.2014.09.001

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Soil water repellency assessment in olive groves in Southern and Eastern Spain

CATENA (2016)

María Burguet E. V. Taguas Artemi Cerdà José A. Gómez

Olive trees

Land Cover

10.1016/j.catena.2016.07.005

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Influence of polymer age and soil aggregation on microplastic transport in soil erosion events

Emilee Severe Quynh Nhu Phan Le Ahsan Maqbool Benjamin William James Surridge Crispin Halsall

The transport of microplastics within and across terrestrial ecosystems is a critical factor controlling plastic pollution in the environment. However, our understanding of these transport processes remains extremely limited. Particular uncertainty surrounds how the changes driven by aging of plastics, for example in surface roughness or hydrophobicity, affect polymer transport.  In this study we compare the rate of transportation of pristine and aged polystyrene microplastics in a simulated rainfall event providing the first empirical data describing these processes. Additionally, we quantified the proportion of both aged and pristine microplastics incorporated into soil aggregates after several wet-dry cycles and the influence wet-dry cycles had on microplastic mobilization. The results from this study will provide critical insights into the influence of polymer age on microplastic mobility and retention in terrestrial environments.  

10.5194/egusphere-egu24-10940

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José A. Gómez

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