A technique using a stellar spectrographic plate to measure terrestrial ozone column depth

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This thesis examines the feasibility of a technique to extract ozone column depths from photographic stellar spectra in the 5000--7000 Angstrom spectral region. A stellar spectrographic plate is measured to yield the relative intensity distribution of a star`s radiation after transmission through the earth`s atmosphere. The amount of stellar radiation absorbed by the ozone Chappuis band is proportional to the ozone column depth. The measured column depth is within 10% the mean monthly value for latitude 36{degree}N, however the uncertainty is too large to make the measurement useful. This thesis shows that a 10% improvement to the photographic sensitivity uncertainty … continued below

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60 p.

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Wong, A.Y. August 1, 1995.

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This thesis or dissertation is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 82 times. More information about this document can be viewed below.

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This thesis examines the feasibility of a technique to extract ozone column depths from photographic stellar spectra in the 5000--7000 Angstrom spectral region. A stellar spectrographic plate is measured to yield the relative intensity distribution of a star`s radiation after transmission through the earth`s atmosphere. The amount of stellar radiation absorbed by the ozone Chappuis band is proportional to the ozone column depth. The measured column depth is within 10% the mean monthly value for latitude 36{degree}N, however the uncertainty is too large to make the measurement useful. This thesis shows that a 10% improvement to the photographic sensitivity uncertainty can decrease the column depth uncertainty to a level acceptable for climatic study use. This technique offers the possibility of measuring past ozone column depths.

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60 p.

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OSTI as DE95017014

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  • Other Information: TH: Thesis (M.S.)

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  • Other: DE95017014
  • Report No.: UCRL-LR--121081
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 102302
  • Archival Resource Key: ark:/67531/metadc622303

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 17, 2016, 7:13 p.m.

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Wong, A.Y. A technique using a stellar spectrographic plate to measure terrestrial ozone column depth, thesis or dissertation, August 1, 1995; California. (https://digital.library.unt.edu/ark:/67531/metadc622303/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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