Extending water vapor measurement capability of photon-limited differential absorption lidars through simultaneous denoising and inversion

The micropulse differential absorption lidar (MPD) was developed at Montana State University (MSU) and the National Center for Atmospheric Research (NCAR) to perform range-resolved water vapor (WV) measurements using low-power lasers and photon-counting detectors. The MPD has proven to produce accurate WV measurements up to 6 km altitude. However, the MPD's ability to produce accurate higher-altitude WV measurements is impeded by the current standard differential absorption lidar (DIAL) retrieval methods. These methods are built upon a fundamental methodology that algebraically solves for the WV using the MPD forward models and noisy observations, which exacerbates any random noise in the lidar observations.

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Author Marais, Willem J.
Hayman, Matthew
Publisher UCAR/NCAR - Library
Publication Date 2022-09-13T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:18:34.601381
Metadata Record Identifier edu.ucar.opensky::articles:25701
Metadata Language eng; USA
Suggested Citation Marais, Willem J., Hayman, Matthew. (2022). Extending water vapor measurement capability of photon-limited differential absorption lidars through simultaneous denoising and inversion. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7g73jhc. Accessed 28 June 2025.

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