High frequency tropical Atlantic data from vertical mixing sensitivity runs with FESOM and ICON-O (nextGEMS WP6)

In work package 6 of the nextGEMS project, several ocean-only model runs were performed with FESOM (Version 2.0) and ICON-O (Version 2.6.6), to test the sensitivity of the upper tropical Atlantic to different settings of the vertical mixing scheme. Two different mixing schemes were tested: TKE and KPP. For TKE, we tested different settings of the c_k parameter (0.1, 0.2 and 0.3), and for KPP different settings of the critical bulk Richardson number (0.3 and 0.27). These runs were done with both ICON-O and FESOM, to enable a comparison of the effects of the vertical mixing settings across different models. From ICON-O only, there are some additional TKE runs available, where we increased the interior ocean background mixing, and switched on the Langmuir turbulence parameterisation. There is also an ICON-O run which uses the FESOM default forcing bulk formulae, to check how much of the differences between the models originates from their different default bulk formulae.

All model runs are ocean only, forced with hourly ERA5 reanalysis data. The horizontal resolution is 10km (for FESOM, the extratropical regions have a coarser grid).

The output from the tropical Atlantic from these model runs is provided here, with a high temporal resolution of 3 hours, and interpolated to a 0.1°x0.1° latitude-longitude grid.

Please read the readme before using the data: https://www.wdc-climate.de/ui/entry?acronym=nextGEMSWp6OceanREADME

nextGEMS is funded through the European Union’s Horizon 2020 research and innovation program under the grant agreement number 101003470.

Citation proposal
(2023) . High frequency tropical Atlantic data from vertical mixing sensitivity runs with FESOM and ICON-O (nextGEMS WP6). https://gdk.gdi-de.org/geonetwork/srv/api/records/wdc-climate.de:5273690

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File identifier: wdc-climate.de:5273690 XML

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code: nextGEMS_WP6oc

code: doi:10.26050/WDCC/nextGEMS_WP6oc

Metadata language: eng; USA

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FESOM

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ICON

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nextGEMS

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ocean

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Date ( Publication ): 2023-08-04

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Organisation name: Max Planck Institute for Meteorology

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Organisation name: Max Planck Institute for Meteorology

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Organisation name: Max Planck Institute for Meteorology

Date stamp: 2023-07-10T09:13:29

Metadata language: eng; USA

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