Differential absorption lidar measurements of water vapor by the High Altitude Lidar Observatory (HALO): retrieval framework and first results

Carroll, Brian J.; Nehrir, Amin R.; Kooi, Susan A.; Collins, James E.; Barton-Grimley, Rory A.; Notari, Anthony; Harper, David B.; Lee, Joseph

doi:https://doi.org/10.5194/amt-15-605-2022

Articles | Volume 15, issue 3

https://doi.org/10.5194/amt-15-605-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-15-605-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 3

Research article

|

04 Feb 2022

Research article |

| 04 Feb 2022

Differential absorption lidar measurements of water vapor by the High Altitude Lidar Observatory (HALO): retrieval framework and first results

Brian J. Carroll, Amin R. Nehrir, Susan A. Kooi, James E. Collins, Rory A. Barton-Grimley, Anthony Notari, David B. Harper, and Joseph Lee

Data sets

NASA Aeolus Cal/Val Campaign datasets NASA/LARC/SD/ASDC https://doi.org/10.5067/SUBORBITAL/AEOLUSCALVAL2019/DATA001

Short summary

HALO is a recently developed lidar system that demonstrates new technologies and advanced algorithms for profiling water vapor as well as aerosol and cloud properties. The high-resolution, high-accuracy measurements have unique advantages within the suite of atmospheric instrumentation, such as directly trading water vapor measurement resolution for precision. This paper provides the methodology and first water vapor results, showing agreement with in situ and spaceborne sounder measurements.