Articles | Volume 10, issue 12
Atmos. Meas. Tech., 10, 4761–4776, 2017
https://doi.org/10.5194/amt-10-4761-2017

Special issue: Observing Atmosphere and Climate with Occultation Techniques...

Atmos. Meas. Tech., 10, 4761–4776, 2017
https://doi.org/10.5194/amt-10-4761-2017

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 et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Kuo-Nung Wang on behalf of the Authors (26 Aug 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (28 Aug 2017) by Axel von Engeln
RR by Anonymous Referee #2 (18 Sep 2017)
ED: Publish subject to technical corrections (09 Oct 2017) by Axel von Engeln
AR by Kuo-Nung Wang on behalf of the Authors (18 Oct 2017)  Author's response    Manuscript
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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.