Atmospheric Researcher At A Laser Radar's Controls is a photograph by Simon Fraser/mauna Loa Observatory/science Photo Library which was uploaded on October 2nd, 2018.
Atmospheric Researcher At A Laser Radar's Controls
MODEL RELEASED. Laser radar. Scientist Dan Walsh at the controls of a laser radar (lidar) which measures atmospheric aerosols, ozone levels &... more
Title
Atmospheric Researcher At A Laser Radar's Controls
Artist
Simon Fraser/mauna Loa Observatory/science Photo Library
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Photograph
Description
MODEL RELEASED. Laser radar. Scientist Dan Walsh at the controls of a laser radar (lidar) which measures atmospheric aerosols, ozone levels & temperatures. The lidar projects 2 vertical beams at different wavelengths. The intensity of radiation scattered back (shown on screen) is analysed to determine the stratosphere's composi- tion at altitudes of 15-75 kilometres (km). Stratospheric aerosols come from volcanic erupt- ions, & are mainly comprised of sulphur and water. Ozone gas, mainly found above 19km, blocks harmful ultraviolet rays from the Sun. Photograph- ed at Mauna Loa Observatory on Hawaii, USA.
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October 2nd, 2018
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