UV radiation and potential biological effects beneath the perennial ice cover of an antarctic lake

RL Kepner*, RA Wharton, RD Collier, CS Cockell, WH Jeffrey

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

High-resolution spectral scans of solar ultraviolet radiation (UVR) were obtained directly beneath the 4.0-5.0 m thick, perennial ice cover of Lake Hoare, South Victoria Land, Antarctica. Both UVA (320-400 nm) and WE (280-320 nm) radiation were detectable beneath the ice using a diver-deployed, underwater scanning spectroradiometer which permitted accurate measurement in the 280-340 nm range, while avoiding effects of surface shading and/or hole effects. UVR at wavelengths

Original languageEnglish
Pages (from-to)155-165
Number of pages11
JournalHydrobiologia
Volume427
Issue number1-3
Publication statusPublished - 1 Jun 2000

Keywords

  • antarctic lakes
  • ice
  • ultraviolet radiation
  • UV spectra
  • biologically effective dose
  • attenuation
  • ULTRAVIOLET-RADIATION
  • SEA-ICE
  • OPTICAL-PROPERTIES
  • SPECIES COMPOSITION
  • SOLAR-RADIATION
  • TOTAL OZONE
  • PHYTOPLANKTON
  • GROWTH
  • TRANSMISSION
  • LIGHT

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