Sonde Experiments for Comparative Measurements of Optical Turbulence PDF Download
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Author: J. H. Brown
Publisher:
ISBN:
Category : Atmospheric temperature
Languages : en
Pages : 52
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Book Description
Five different instruments were used in multiple experiments to measure atmospheric turbulence in the form of the refractive structure constant, C sub n squared. These included UHF radar, optical scintillometer, modified radiosondes, AFGL thermosondes, and aircraft micro-thermal measurements. Described here are the radiosonde and thermosonde electronics and their calibrations. The data reduction scheme is described and a brief program description is given. Although the different instruments gave measurements somewhat separated in space and time, first results show good agreement between the radar, scintillometer, and thermosonde measurements.
Author: J. H. Brown
Publisher:
ISBN:
Category : Atmospheric temperature
Languages : en
Pages : 52
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Book Description
Five different instruments were used in multiple experiments to measure atmospheric turbulence in the form of the refractive structure constant, C sub n squared. These included UHF radar, optical scintillometer, modified radiosondes, AFGL thermosondes, and aircraft micro-thermal measurements. Described here are the radiosonde and thermosonde electronics and their calibrations. The data reduction scheme is described and a brief program description is given. Although the different instruments gave measurements somewhat separated in space and time, first results show good agreement between the radar, scintillometer, and thermosonde measurements.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 772
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Book Description
Author: S. A. Bowhill
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 522
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Author:
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 746
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Author:
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ISBN:
Category : Air
Languages : en
Pages : 524
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
![A Nighttime Structure Model of Atmospheric Optical Turbulence, C2[n Subscript], Derived from Thermosonde and High Resolution Rawinsonde Measurements PDF](https://books.google.com/books/content/images/frontcover/o6DlPjyNrP8C?fife=w80-h100)
Author: James H. Brown
Publisher:
ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 74
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Book Description
Author: James H. Brown
Publisher:
ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 62
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Book Description
Five different instruments were used in coordinated multiple experiments to measure atmospheric turbulence. C sub n squared, the optical refractive structure constant, was measured by thermosondes, UHF radar, stellar scintillometer, and aircraft mounted micro-thermal probes. Presented here are the results of 19 rawinsode flights. Also comparisons of eight thermosonde/radar profiles, one radar, scintillometer, thermosonode profile, and several aircraft profiles are presented. For the scales discussed here, good agreement is shown between radar, thermosonode, and scintillometer data. Worse agreement is obtained from aircraft measurements. A diurnal shift in the C2 profile is noted but no tropopause enhancement is found.
Author: James H. Brown
Publisher:
ISBN:
Category : Atmosphere, Upper
Languages : en
Pages : 44
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Book Description
Eight AFGL thermosondes were flown from Mt. Haleakala, Hawaii to measure atmospheric turbulence in the form of the optical refractive index structure constant C sub n squared. Temperature and relative humidity comparisons between the AFGL instruments and standard GMD rawinsondes are presented. The AFGL instruments obtain greater temperature and humidity spatial resolution and consequently show finer structure in the profiles. A diurnal shift in the C sub n squared profile is noted as well as a tropopause enhancement. Coherence scales are calculated from the thermosonde data.
Author:
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ISBN:
Category : Aerosols
Languages : en
Pages : 416
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Book Description
