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UV Radiation Dose

  • Living reference work entry
  • First Online:
Encyclopedia of Astrobiology

  • 209 Accesses

Synonyms

UV exposure; UV fluence

Definition

Ultraviolet (UV) radiation is described using radiometric units. They describe the energy that is either emitted from a source or that arrives at a surface. The recommended radiometric SI (International System of Units, abbreviated “SI” from the French Le Système International d’Unités as the modern metric system of measurement) derived unit for the flux per unit-area incident on a small plane surface is called “UV irradiance.” It is given in watts/meter2 (W/m2). The unit watt (W) is defined as a rate of energy of 1 Joule (J) per second. The UV radiation dose, also called “UV exposure” is described in joule/meter2 (J/m2), i.e., the energy per unit-area incident on one side of a small plane surface. 1 J/m2 = 1 W × s/m2.

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Authors and Affiliations

  1. Institute of Aerospace Medicine, Radiation Biology, Building 24, Contractor, DLR German Aerospace Center, 51170, Köln, Germany

    Gerda Horneck

Authors
  1. Gerda Horneck
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Correspondence to Gerda Horneck .

Editor information

Editors and Affiliations

  1. Centro de Biología Molecular, Universidad Autónoma de Madrid, Madrid, Spain

    Ricardo Amils

  2. Labo. d'Astrophysique de Bordeaux (LAB), Observatoire Aquitain des Sciences de l'Univers (OASU), Floirac CX, France

    Muriel Gargaud

  3. Centro de Astrobiología (CAB), Inst. Nacional de Técnica Aeroespacial, Torrejón de Ardoz, Madrid, Spain

    José Cernicharo Quintanilla

  4. Geophysical Lab., Carnegie Institution of Washington, Washington, District of Columbia, USA

    Henderson James Cleaves

  5. Astronomy Department, University of Massachusetts, Amherst, Massachusetts, USA

    William M. Irvine

  6. Dépt. Sc. de la Terre et de l’Atmosphère, Université du Québec, Montréal, Montreal, Québec, Canada

    Daniele Pinti

  7. Centre National d'Etudes Spatiale (CNES) DPI/E2U, Paris CX, France

    Michel Viso

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© 2014 Springer-Verlag Berlin Heidelberg

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Horneck, G. (2014). UV Radiation Dose. In: Amils, R., et al. Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27833-4_1641-3

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  • DOI: https://doi.org/10.1007/978-3-642-27833-4_1641-3

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-27833-4

  • eBook Packages: Springer Reference Physics and AstronomyReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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