Study of aerosols collected in a speleotherapeutic cave situated below Budapest, Hungary

Research output: Contribution to journalConference article

18 Citations (Scopus)

Abstract

The Szemlohegy-cave is one of the well-known hydrothermal caves of the Rozsadomb area of Budapest, which have been used for speleotherapy of respiratory diseases for years. It is known from the periodically changing airborne radon activity concentration data, that airflow of seasonally reversed direction are formed along the cave passages and fissures due to the temperature difference between the surface and cave air. This means that an intensive interaction takes place between the cave and its environment. The pollution of nearby waters and the urban atmospheric air represents a real danger for these caves below Buda, which recently became the part of the UNESCO World Heritage. The study of cave aerosols should be very important from the point of view of either the control possibilities of the environmental impact or speleotherapy, and probably helps in getting acquainted with the cave-forming processes. In this work we applied our standard aerosol sampling method to the high-humidity environment of the caves, and we studied the elemental composition, size fractionation as well as the spatial distribution and the seasonal variation of cave aerosols. Thanks to the sensitivity of PIXE traces of anthropogenic pollution of the Budapest air are shown in the Szemlohegy-cave. Measured elemental concentrations remained less than one-tenth the air quality standard valid for the increasingly protected areas.

Original languageEnglish
Pages (from-to)384-391
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume150
Issue number1-4
DOIs
Publication statusPublished - Apr 2 1999
EventProceedings of the 1998 8th International Conference on PIXE and its Analytical Applications - Lund, Swed
Duration: Jun 14 1998Jun 18 1998

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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