Articles | Volume 18, issue 11
https://doi.org/10.5194/essd-18-8167-2026
https://doi.org/10.5194/essd-18-8167-2026
Data description article
 | 
09 Nov 2026
Data description article |  | 09 Nov 2026

Climatology of the sea temperature from long-term in situ observations: Northern Chilean Patagonia

Cécile Pujol, Alexander Barth, Iván Pérez-Santos, Pamela Linford, and Aida Alvera-Azcárate

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Cited articles

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Barth, A., Beckers, J.-M., Troupin, C., Alvera-Azcárate, A., and Vandenbulcke, L.: divand-1.0: n-dimensional variational data analysis for ocean observations, Geosci. Model Dev., 7, 225–241, https://doi.org/10.5194/gmd-7-225-2014, 2014. 
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Beckers, J.-M., Barth, A., Troupin, C., and Alvera-Azcárate, A.: Approximate and Efficient Methods to Assess Error Fields in Spatial Gridding with Data Interpolating Variational Analysis (DIVA), J. Atmos. Ocean. Tech., 31, 515–530, https://doi.org/10.1175/JTECH-D-13-00130.1, 2014. 
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In this study, we present the first high-resolution, four-dimensional temperature climatology for Northern Chilean Patagonia, a region characterised by a complex network of fjords and channels. The climatology is based on approximately three million in situ observations collected over the past 75 years and interpolated into continuous temperature fields with a horizontal resolution of about 900 m and 32 vertical levels, providing monthly and daily fields from the surface to 400 m depth.
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