Evaluating four gap-filling methods for eddy covariance measurements of evapotranspiration over hilly crop fields

Boudhina, Nissaf; Zitouna-Chebbi, Rim; Mekki, Insaf; Jacob, Frédéric; Ben Mechlia, Nétij; Masmoudi, Moncef; Prévot, Laurent

doi:https://doi.org/10.5194/gi-7-151-2018

Articles | Volume 7, issue 2

https://doi.org/10.5194/gi-7-151-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gi-7-151-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 7, issue 2

Research article

|

07 Jun 2018

Research article |

| 07 Jun 2018

Evaluating four gap-filling methods for eddy covariance measurements of evapotranspiration over hilly crop fields

Nissaf Boudhina, Rim Zitouna-Chebbi, Insaf Mekki, Frédéric Jacob, Nétij Ben Mechlia, Moncef Masmoudi, and Laurent Prévot

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Final revised paper (published on 07 Jun 2018)
Supplement to the final revised paper
Preprint (discussion started on 01 Dec 2017)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Referee comments', Anonymous Referee #1, 20 Feb 2018
- AC3: 'Replies to comments from the GI Editorial Review.', Frédéric Jacob, 10 Apr 2018
RC2: 'Referee Comments', Anonymous Referee #2, 13 Mar 2018
- AC4: 'Replies to comments from the GI Editorial Review', Frédéric Jacob, 10 Apr 2018
AC2: 'Replies to comments from the GI Editorial Review', Frédéric Jacob, 10 Apr 2018

Short summary

To provide reliable time series of evapotranspiration, we evaluated the performances of four different gap-filling methods when tailored to conditions of hilly crop fields. The tailoring consisted of splitting the time series beforehand on the basis of upslope and downslope winds. The obtained accuracies on evapotranspiration after gap filling were comparable to those previously reported over flat and mountainous terrains, and they were better with the most widely used gap-filling method.