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April 17, 2026Atmosphere0 citationsOpen Access

Temperature Retrievals Using a Three-Channel Rayleigh Lidar System

Temperature Retrievals for a Three-Channel Rayleigh Lidar System

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Authors

SDSatyaki DasRCRichard CollinsJLJintai Li

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Overview

Performance of a three-channel lidar system demonstrates improved temperature retrieval accuracy in the atmosphere.

Key Points

  • This research aims to evaluate the performance of a multi-channel Rayleigh lidar system in retrieving temperature data from the middle atmosphere.
  • Characterization of biases in temperature profiles from three receiver channels
  • Assessment of noise factors like pulse pile-up and gain switching
  • Implementation of a top-down temperature convergence methodology for signal compensation
  • Comparison of lidar temperature data with MERRA-2 reanalysis for validation
  • Temperatures retrieved show warm biases of 2–8 K at 40 km altitude
  • Biases decrease to 1–3 K at 60 km altitude
  • Temperature uncertainties range from 2–5 K in the 40–70 km region
  • Findings align well with MERRA-2 reanalysis data, validating the lidar system's accuracy

Cite This Study

Das et al. (2026) studied this question.

synapsesocial.com/papers/69e1d0165cdc762e9d85927bhttps://doi.org/10.3390/atmos17040400
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