Quality controlled subsurface temperature and salinity reanalysis of observations
EN4: quality controlled subsurface ocean temperature and salinity profiles and objective analyses
Description of the dataset
The EN4 dataset consists of two products: Observed subsurface ocean temperature and salinity profiles with data quality information, and objective analyses formed from the profile data with uncertainty estimates. Data are available from 1900 to the present.
Please read 'Good, S. A., M. J. Martin and N. A. Rayner, 2013. EN4: quality controlled ocean temperature and salinity profiles and monthly objective analyses with uncertainty estimates, Journal of Geophysical Research: Oceans, 118, 6704-6716, doi:10.1002/2013JC009067' for details of how the dataset was constructed.
Feedback and requests for new features
If you have any comments or questions about the data, please get in touch at http://www.metoffice.gov.uk/hadobs/en4/contact.html. New versions of the dataset will be released as required to incorporate new features and new historical data. If you have suggestions for changes to the dataset we would love to hear about them.
The work to produce this dataset was supported by the Joint DECC/Defra Met Office Hadley Centre Climate Programme (GA01101) and by ERA-CLIM, a collaborative project (2011-2013) funded by the European Union under the 7th Framework Programme.
Citing the data
When using the data set in a paper, please quote the version number (for example EN4.0.2), the date the data were downloaded and cite the following:
Good, S. A., M. J. Martin and N. A. Rayner, 2013. EN4: quality controlled ocean temperature and salinity profiles and monthly objective analyses with uncertainty estimates, Journal of Geophysical Research: Oceans, 118, 6704-6716, doi:10.1002/2013JC009067
If using a version of the data that incorporate time varying bias adjustments please consider citing the relevant paper and please also take note of the data sources used to construct EN4 (described in the paper and available from the download page for each version of the dataset) and acknowledge them appropriately.
temperature, salinity, temperature_uncertainty, salinity_uncertainty, temperature_observation_weights, salinity_observation_weights
|Zonal||Global by 1 deg|
|Meridional||Global by 1 deg|
|Vertical||5.02159, 15.07854, 25.16046, 35.27829, 45.44776, 55.69149, 66.04198, 76.54591, 87.27029, 98.31118, 109.8062, 121.9519, 135.0285, 149.4337, 165.7285, 184.6975, 207.4254, 235.3862, 270.5341, 315.3741, 372.9655, 446.8009, 540.5022, 657.3229, 799.5496, 967.9958, 1161.806, 1378.661, 1615.291, 1868.071, 2133.517, 2408.583, 2690.78, 2978.166, 3269.278, 3563.041, 3858.676, 4155.628, 4453.502, 4752.021, 5050.99, 5350.272|
|Temporal||Jan 1900 to Feb 2014 by 1 month(s)|
|Volume||753 MB per year|
|Acquired||May 5, 2014|