Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 10, issue 12
Articles | Volume 10, issue 12
https://doi.org/10.5194/amt-10-4761-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/amt-10-4761-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 12
Research article
 | 
08 Dec 2017
Research article |  | 08 Dec 2017

Correcting negatively biased refractivity below ducts in GNSS radio occultation: an optimal estimation approach towards improving planetary boundary layer (PBL) characterization

Kuo-Nung Wang, Manuel de la Torre Juárez, Chi O. Ao, and Feiqin Xie

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Latest update: 20 Nov 2024
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Short summary
Refractivity retrievals from GNSS radio occultation (RO) are known to be negatively biased within the planetary boundary layer (PBL). We propose an optimization-based reconstruction method in this paper to correct the negative bias with external measurements of precipitable water (PW). Our results show that the proposed method can greatly reduce the bias and better characterize the PBL.
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Observing Atmosphere and Climate with Occultation Techniques...