Abstract
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.
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© 1983 Springer-Verlag Berlin Heidelberg
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Korb, C.L., Schwemmer, G.K., Dombrowski, M., Weng, C.Y. (1983). Atmospheric Pressure and Temperature Profiling Using Near IR Differential Absorption Lidar. In: Killinger, D.K., Mooradian, A. (eds) Optical and Laser Remote Sensing. Springer Series in Optical Sciences, vol 39. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39552-2_16
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DOI: https://doi.org/10.1007/978-3-540-39552-2_16
Publisher Name: Springer, Berlin, Heidelberg
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