Global Ocean Data Analysis Project (GLODAP) - Global In-situ Data

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Information

Producer	SIO
Data Type	*In situ*
Data Abbreviation	SST、SSS、DO、pCO₂、pH、DIC、TA
Time Range	1972-2021
Product Level	L3B
Spatial Coverage	Global
Spatial resolution	1°×1°
Temporal Resolution	Monthly
Reference Coordinate System	Equal Latitude-Longitude Projection

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Description

The dataset is derived from the publicly available Global Ocean Data Analysis Project dataset (GLODAPv2.2023). It undergoes processes such as data quality control, data transformation, and data gridding to generate gridded in situ data from 1972 to 2021 for global sea surface temperature (SST), sea surface salinity (SSS), dissolved oxygen (DO), partial pressure of carbon dioxide (pCO₂), pH, dissolved inorganic carbon (DIC), and total alkalinity (TA) at a resolution of 1°×1°. Here, sea surface refers to depths shallower than 5 meters.

The pCO₂ is derived from the seawater fugacity of carbon dioxide (fCO₂), calculated using the empirical formula from Takahashi, specifically: pCO₂ = fCO₂×(1.00436-4.669×10^-5×SST).

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Naming Convention

SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_SST_GLODAP2023
SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_SSS_GLODAP2023
SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_DO_GLODAP2023
SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_PCO2_GLODAP2023
SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_PH_GLODAP2023
SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_DIC_GLODAP2023
SIO_UNDERWAY_MERGE_YYYYMMDDTOYYYYMMDD_L3B_GLOBAL_100KM_TA_GLODAP2023

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Related Website

This dataset is available for open use on the SatCO2 platform.

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Reference

[1] Olsen, A., R. M. Key, S. van Heuven, S. K. Lauvset, A. Velo, X. Lin, C. Schirnick, A. Kozyr, T. Tanhua, M. Hoppema, S. Jutterström, R. Steinfeldt, E. Jeansson, M. Ishii, F. F. Pérez and T. Suzuki. The Global Ocean Data Analysis Project version 2 (GLODAPv2) – an internally consistent data product for the world ocean, Earth Syst. Sci. Data, 8, 297–323, 2016, doi:10.5194/essd-8-297-2016
[2] Lauvset, S. K, R. M. Key, A. Olsen, S. van Heuven, A. Velo, X. Lin, C. Schirnick, A. Kozyr, T. Tanhua, M. Hoppema, S. Jutterström, R. Steinfeldt, E. Jeansson, M. Ishii, F. F. Pérez, T. Suzuki and S. Watelet. A new global interior ocean mapped climatology: the 1°x1° GLODAP version 2, Earth Syst. Sci. Data, 8, 3 Key, R.M., A. Olsen, S. van Heuven, S. K. Lauvset, A. Velo, X. Lin, C. Schirnick, A. Kozyr, T. Tanhua, M. Hoppema, S. Jutterström, R. Steinfeldt, E. Jeansson, M. Ishii, F. F. Perez, and T. Suzuki. 2015. Global Ocean Data Analysis Project, Version 2 (GLODAPv2), ORNL/CDIAC-162, NDP-093. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, Tennessee. doi:10.3334/CDIAC/OTG.NDP093_GLODAPv2 25–340, 2016, doi:10.5194/essd-8-325-2016

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Naming Convention

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