Atmospheric Pressure and Temperature Profiling Using Near IR Differential Absorption Lidar

  • C. Laurence Korb
  • Geary K. Schwemmer
  • Mark Dombrowski
  • Chi Y. Weng
Part of the Springer Series in Optical Sciences book series (SSOS, volume 39)


This paper describes differential absorption lidar techniques for remotely measuring the atmospheric temperature and pressure profile, surface pressure, and cloud top pressure-height. The approach to the pressure measurements1 utilizes a high resolution measurement of absorption in the wings of lines in the oxygen A band where the absorption is highly pressure sensitive throug] the mechanism of collisional line broadening. The approach for temperature2 uses a measurement of the absorption at the center of a selected line in the oxygen A band which originates from a quantum state with high ground state energy. The population of the state depends strongly on temperature through the Boltzmann term which produces a highly sensitive temperature determination. Oxygen is used for these measurements since it is uniformly mixed in the atmosphere, which greatly simplifies the measurement approach, and has lines with appropriate strength and energy levels. Also, it is located in a spectral region (760 nm) easily accessible using tunable solid state and dye lasers and efficient detectors.


Continuous Wave Laser Lidar System High Resolution Measurement Atmospheric Path Alexandrite Laser 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1983

Authors and Affiliations

  • C. Laurence Korb
    • 1
  • Geary K. Schwemmer
    • 1
  • Mark Dombrowski
    • 1
  • Chi Y. Weng
    • 2
  1. 1.NASA Goddard Space Flight CenterGreenbeltUSA
  2. 2.Science Systems and Applications, Inc.SeabrookUSA

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