Articles | Volume 12, issue 9
Geosci. Model Dev., 12, 3915–3922, 2019
https://doi.org/10.5194/gmd-12-3915-2019
Geosci. Model Dev., 12, 3915–3922, 2019
https://doi.org/10.5194/gmd-12-3915-2019

Development and technical paper 05 Sep 2019

Development and technical paper | 05 Sep 2019

Dealing with discontinuous meteorological forcing in operational ocean modelling: a case study using ECMWF-IFS and GETM (v2.5)

Bjarne Büchmann

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Latest update: 21 Sep 2021
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Short summary
Operational forecasting of the ocean state – e.g. used for ship route planning, sea rescue, and oil spill drift models – relies on data (forcing) obtained from weather forecasting. Unfortunately, the so-called meteorological analysis step introduces a discontinuity, which affects the ocean models adversely. In the present paper, a straightforward method to deal with the issue is introduced. Practical examples are given to illuminate the scale of the problem.