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EN4 is subject to Crown copyright protection and is provided under a Non-Commercial Government Licence. Further information about the licence can be obtained from here.
When publishing work using the data, please quote the version number (for example EN.4.2.2), the bias corrections used (for example .g10. and .c14.), the date the data were downloaded and cite the following:
Users should also include one of the following:
The source should also be quoted in the acknowledgements section as www.metoffice.gov.uk/hadobs. Please also take care to acknowledge the data sources used to construct EN4 and to reference the bias correction paper(s) for the bias corrections you have used.
Viktor Gouretski and Franco Reseghetti, 2010: On depth and temperature biases in bathythermograph data: development of a new correction scheme based on analysis of a global ocean database. Deep-Sea Research I, 57, 6. doi: http://dx.doi.org/10.1016/j.dsr.2010.03.011
S. Levitus et al., 2009: Global ocean heat content 1955-2008 in light of recently revealed instrumentation problems. Geophysical Research Letters, 36, L07608. doi:http://dx.doi.org/10.1029/2008GL037155
Cowley et al, 2013: Biases in Expendable Bathythermograph Data: A New View Based on Historical Side-by-Side Comparisons. Journal of Atmospheric and Oceanic Technology, 30, 6. doi: https://doi.org/10.1175/JTECH-D-12-00127.1
Cheng et al, 2014: Time, Probe Type, and Temperature Variable Bias Corrections to Historical Expendable Bathythermograph Observations. Journal of Atmospheric and Oceanic Technology, 31, 8. doi: https://doi.org/10.1175/JTECH-D-13-00197.1
Viktor Gouretski and Lijing Cheng, 2020: Correction for Systematic Errors in the Global Dataset of Temperature Profiles from Mechanical Bathythermographs. Journal of Atmospheric Technology and Oceanic Research, 37, 5. doi: https://doi.org/10.1175/JTECH-D-19-0205.1
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