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Atmospheric Sounding

Learn about retrieving vertical profiles of temperature, trace gas concentrations like water vapor, and ozone using Schwartzchild’s Equation and vertical transmittance. Explore TOVS and AMSU weighting functions for various bands.

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Atmospheric Sounding

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  1. February 17, 2003 Atmospheric Sounding Temperature and water vapor profiling Atmospheric sounding is retrieving vertical profiles of temperature trace-gas concentrations, especially water vapor and ozone.

  2. http://orbit-net.nesdis.noaa.gov/goes/soundings/skewt/html/skewhome.htmlhttp://orbit-net.nesdis.noaa.gov/goes/soundings/skewt/html/skewhome.html

  3. http://orbit-net.nesdis.noaa.gov/goes/soundings/skewt/html/skewhome.htmlhttp://orbit-net.nesdis.noaa.gov/goes/soundings/skewt/html/skewhome.html

  4. Scwartzchild’s Equation – RTE for no-scattering L0: radiance emerging from the Earth’s surface tl(z): vertical transmittance from height z to space. T(z): vertical profile of temperature Bl[T(z)]: Planck function profile. Weighting function - W

  5. Idealised transmittance profiles and weighting functions at two frequencies with different absorption coefficients. Vertical coordinate: scale height = - loge(pressure).

  6. Left-illustrating the attenuation of upwelling radiation emitted from three heights in the atmosphere. Right-the corresponding vertical profile of the contribution to the emission to space.

  7. TOVS normalized weighting functions (from Smith et al. 1979)

  8. TOVS normalized weighting functions (from Smith et al. 1979)

  9. AMSU normalised weighting functions.

  10. A selection of weighting functions for several bands of the interferometer proposed for the Atmospheric InfraRed Sounder (AIRS) instrument.

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