seanoe:91774 DE BOYER MONTÉGUT Clément Ifremer, LOPS (University of Brest - Ifremer - Cnrs - Ird, UMR6523), Plouzané, France 2026-03-11 ISO 19115:2003/19139 1.0 Mixed layer depth climatology computed with a density threshold criterion of 0.03kg/m3 from 10 m depth value 2023-07-13 2026-03-11 de Boyer Montégut Clément (2023). Mixed layer depth climatology computed with a density threshold criterion of 0.03kg/m3 from 10 m depth value. SEANOE. https://doi.org/10.17882/91774 In addition to properly cite this dataset, it would be appreciated that the following work(s) be cited too, when using this dataset in a publication : de Boyer Montegut Clement, Madec Gurvan, Fischer Albert S., Lazar Alban, Iudicone Daniele (2004). Mixed layer depth over the global ocean: An examination of profile data and a profile-based climatology. Journal Of Geophysical Research-oceans, 109(C12/C12003), 1-20. https://doi.org/10.1029/2004JC002378 The dataset made available here is the monthly climatology (i.e. 12 months) of ocean surface Mixed Layer Depth (MLD) over the global ocean, at 1 degree x 1 degree spatial resolution. The climatology is based on about 7.3 million casts/profiles of temperature and salinity measurements made at sea between January 1970 and December 2021. Those profiles data come from the ARGO program and from the NCEI-NOAA World Ocean Database (WOD, Boyer et al. 2018). The MLD is computed on each individual cast/profile using a threshold criterion. The depth of the mixed layer is defined as the shallowest depth where the surface potential density of the profile is superior to a reference value taken close to the surface added with the chosen threshold. Here we take a threshold value for the density of 0.03kg/m3, and a surface reference depth fixed at 10m (de Boyer Montégut et al., 2004). This mixed layer is by definition homogeneous in density (up to 0.03 kg/m3 variations) and can also be called an isopycnal layer. It is especially intended for validation of MLD fields of the Ocean General Circulation Models of the ocean sciences community (e.g. Tréguier et al., 2023, Iovino et al. 2023, using v2022 of this dataset). More information and some other related datasets can be found at : https://cerweb.ifremer.fr/mld (or https://www.umr-lops.fr/en/Data/MLD redirecting to previous page). The production of this MLD climatology relies on individual profile measurements of pressure/depth, temperature and salinity made at sea. Those data come from several sources. The Argo data were collected and made freely available by the International Argo Program and the national programs that contribute to it. (https://argo.ucsd.edu, https://www.ocean-ops.org). The Argo Program is part of the Global Ocean Observing System. All other kind of casts/profiles comes from the World Ocean Database (WOD, Boyer et al. 2018). First released in 1994, and updated regularly since then, the World Ocean Database represents the world’s largest collection of vertical profile data of ocean characteristics available internationally without restriction. 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Merico Agostino 10.5194/egusphere-2023-1697 The Mixed Layer Depth in the Ocean Model Intercomparison Project (OMIP): Impact of Resolving Mesoscale Eddies 2023 Copernicus GmbH TREGUIER ANNE-MARIE DE BOYER MONTÉGUT CLEMENT BOZEC ALEXANDRA CHASSIGNET ERIC P. FOX-KEMPER BAYLOR HOGG ANDY MCC. IOVINO DOROTEACINO KISS ANDREW E. LE SOMMER JULIEN LI YIWEN LIN PENGFEI LIQUE CAMILLE LIU HAILONG SERAZIN GUILLAUME SIDORENKO DMITRY WANG QIANG XU XIAOBIO YEAGER STEVE 10.5194/egusphere-2023-310 Mixed layer depth over the global ocean: An examination of profile data and a profile-based climatology 2004 Amer Geophysical Union DE BOYER MONTEGUT CLEMENT MADEC GURVAN FISCHER ALBERT S. LAZAR ALBAN IUDICONE DANIELE 10.1029/2004JC002378 10.5194/os-21-437-2025 Argo float data and metadata from Global Data Assembly Centre (Argo GDAC) 2025 SEANOE Argo 10.17882/42182 oceans 180.0 -180.0 -90.0 90.0 TAR PDF https://www.seanoe.org/data/00806/91774/data/97836.tar WWW:DOWNLOAD-1.0-link--download Processed data Netcdf Dataset (v2022) - 3 MB https://www.seanoe.org/data/00806/91774/data/97838.pdf WWW:DOWNLOAD-1.0-link--download Product documentation (v2022) - 19 MB https://www.seanoe.org/data/00806/91774/data/103667.tar WWW:DOWNLOAD-1.0-link--download Processed data Netcdf Dataset (v2023) - 6 MB https://www.seanoe.org/data/00806/91774/data/103668.pdf WWW:DOWNLOAD-1.0-link--download Product documentation (v2023) - 18 MB https://doi.org/10.17882/91774 WWW:LINK-1.0-http--metadata-URL DOI of the product https://www.seanoe.org/data/00806/91774/ rel-canonical Seanoe