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The dataset has been produced as part of the version 3 Climate Data Record (CDR) produced by the European Space Agency (ESA) Climate Change Initiative (CCI) Sea Surface Temperature project (ESA SST_cci). The CDR accurately maps the surface temperature of the global oceans over the period 1980 to 2021 using observations from many satellites, with a high degree of independence from in situ measurements. The data provide independently quantified SSTs to a quality suitable for climate research. 

This CDR Version 3.0 product supersedes the CDR v2.2 product. Compared to the previous version the major changes are: 

* Longer time series: 1980 to 2021 (previous CDR was Sept 1981 to 2016) 
* Improved retrieval to reduce systematic biases using bias-aware optimal methods (for single view sensors) 
* Improved retrieval with respect to desert-dust aerosols 
* Addition of dual-view SLSTR data from 2016 onwards 
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* Use of full-resolution MetOp AVHRR data (previously used ‘global area coverage’ Level 1 data) 
* Inclusion of L2P passive microwave AMSR data 

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Embury, O., Merchant, C.J., Good, S.A., Rayner, N.A., Høyer, J.L., Atkinson, C., Block, T., Alerskans, E., Pearson, K.J., Worsfold, M., McCarroll, N., Donlon, C. Satellite-based time-series of sea-surface temperature since 1980 for climate applications. Scientific Data 11, 326 (2024). https://doi.org/10.1038/s41597-024-03147-w</gco:CharacterString>
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