Articles | Volume 17, issue 6
https://doi.org/10.5194/essd-17-2831-2025
https://doi.org/10.5194/essd-17-2831-2025
Data description paper
 | 
24 Jun 2025
Data description paper |  | 24 Jun 2025

A global daily mesoscale front dataset from satellite observations: in situ validation and cross-dataset comparison

Qinwang Xing, Haiqing Yu, Wei Yu, Xinjun Chen, and Hui Wang

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Cited articles

Alemany, D., Acha, E. M., and Iribarne, O.: The relationship between marine fronts and fish diversity in the patagonian shelf large marine ecosystem, J. Biogeogr., 36, 2111–2124, https://doi.org/10.1111/j.1365-2699.2009.02148.x, 2009. 
Amos, C. M. and Castelao, R. M.: Influence of the el Niño-southern oscillation on SST fronts along the west coasts of north and south America, J. Geophys. Res.-Oceans, 127, e2022JC018479, https://doi.org/10.1029/2022JC018479, 2022. 
Belkin, I. M.: Remote sensing of ocean fronts in marine ecology and fisheries, Remote Sens., 13, 883, https://doi.org/10.3390/rs13050883, 2021. 
Belkin, I. M. and O'Reilly, J. E.: An algorithm for oceanic front detection in chlorophyll and SST satellite imagery, J. Marine Syst., 78, 319–326, https://doi.org/10.1016/j.jmarsys.2008.11.018, 2009. 
Belkin, I. M., Cornillon, P. C., and Sherman, K.: Fronts in large marine ecosystems, Prog. Oceanogr., 81, 223–236, https://doi.org/10.1016/j.pocean.2009.04.015, 2009. 
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Short summary
Ocean fronts play a key role in marine ecosystems and often implicitly exist in satellite observations. This work presents the first publicly available daily global front dataset spanning 1982 to 2023, with comprehensive validations using in situ global observations. Our validations enhance confidence in the application of satellite-based front detection and provide independent support for global front occurrence patterns. The dataset is expected to be widely used in front-related studies.
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