Articles | Volume 15, issue 2
https://doi.org/10.5194/os-15-249-2019
https://doi.org/10.5194/os-15-249-2019
Research article
 | 
13 Mar 2019
Research article |  | 13 Mar 2019

A multi-collocation method for coastal zone observations with applications to Sentinel-3A altimeter wave height data

Johannes Schulz-Stellenfleth and Joanna Staneva

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Johannes Schulz-Stellenfleth on behalf of the Authors (13 Feb 2019)  Author's response   Manuscript 
ED: Publish as is (18 Feb 2019) by Agustín Sánchez-Arcilla
AR by Johannes Schulz-Stellenfleth on behalf of the Authors (20 Feb 2019)
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Short summary
Errors of observations and numerical model data are analysed with a focus on heterogeneous coastal areas. An extension of the triple collocation method is proposed, which takes into account gradients in the collocation of datasets separated by distances which may not be acceptable for a nearest-neigbour approximation, but still be feasible for linear or higher order interpolations. The technique is applied to wave height data from in situ stations, models, and the Sentinel-3A altimeter.