Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 5, issue 1
Articles | Volume 5, issue 1
https://doi.org/10.5194/gi-5-17-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gi-5-17-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 5, issue 1
Research article
 | 
05 Feb 2016
Research article |  | 05 Feb 2016

Removing low-frequency artefacts from Datawell DWR-G4 wave buoy measurements

J.-V. Björkqvist, H. Pettersson, L. Laakso, K. K. Kahma, H. Jokinen, and P. Kosloff

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Short summary
We identified a previously unknown artefact in the Datawell DWR-G4 wave buoy, which measures the GPS signal to resolve surface water waves. The artefact interferes with the part of the measurements containing information about the longer waves and must be removed to obtain accurate readings. We presented a correction method and found it to be accurate based on a comparison to measurements from a larger wave buoy that measures the movements of the device without using the GPS signal.
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