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Abstract Micropulse differential absorption lidar (MPD) for water vapor, temperature, and aerosol profiling have been developed, demonstrated, and are addressing the needs of the atmospheric science community for low-cost ground-based networkable instruments capable of long-term monitoring of the lower troposphere. The MPD instruments use a diode-laser-based (DLB) architecture that can easily be adapted for a wide range of applications. In this study, a DLB direct detection Doppler lidar based on the current MPD architecture is modeled to better understand the efficacy of the instrument for vertical wind velocity measurements with the long-term goal of incorporating these measurements into the current network of MPD instruments. The direct detection Doppler lidar is based on a double-edge receiver that utilizes two Fabry-Perot interferometers and a vertical velocity retrieval that requires the ancillary measurement of the backscatter ratio, which is the ratio of the total backscatter coefficient to the molecular backscatter coefficient. The modeling in this paper accounts for the major sources of error. It indicates that the vertical velocity can be retrieved with an error of less than 0.56 m s −1 below 4 km with a 150-m range resolution and an averaging time of five minutes.
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MicroPulse Differential Absorption LiDAR for Temperature Retrieval in the Lower Troposphere
A collaborative research effort by Montana State University and the National Center for Atmospheric Research has led to the development of a MicroPulse DIAL (MPD) instruments for water vapor profiling, aerosol profiling, boundary layer structure, and temperature profiling of the lower troposphere. The MPD instruments utilize a diode-laser-based instrument architecture, have demonstrated long-term autonomous network operation, and have the potential to address the needs of the science community for networkable ground-based thermodynamic profilers that can provide data in near real time. In this chapter, the recent improvements to the temperature retrieval using the MPD instruments are discussed and initial results from the improved temperature retrieval algorithm are presented.
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- Award ID(s):
- 1917851
- PAR ID:
- 10484389
- Publisher / Repository:
- Springer Atmospheric Sciences
- Date Published:
- Journal Name:
- Proceedings of the 30th International Laser Radar Conference
- ISSN:
- 2194-5217
- ISBN:
- 978-3-031-37817-1
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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