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## NNP Data Access: Statistical mean of salinity on 1° grid for all decades

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The salinity climatological fields can be downloaded as
an individual file or a compressed file of all climatological fields and related statistics.
Information on downloading and reading the data is available from the WOA
instructions.
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### Statistical mean data links (1° grid)

## All fields climatology.tar.gz (3.1 MB)

Annual | Seasonal | Monthly |
---|---|---|

s00mn01.csv | s13mn01.csv - Winter
s14mn01.csv - Spring s15mn01.csv - Summer s16mn01.csv - Autumn |
s01mn01.csv - January
s02mn01.csv - February s03mn01.csv - March s04mn01.csv - April s05mn01.csv - May s06mn01.csv - June s07mn01.csv - July s08mn01.csv - August s09mn01.csv - September s10mn01.csv - October s11mn01.csv - November s12mn01.csv - December |

# File naming conventions:

## [V][TT][FF][GG].[EXT]

- where:
- [V] - variable
- [TT] - time period
- [FF] - field type
- [GG] - grid (01- 1°, 04 - 1/4° 10 - 1/10°)
- [EXT] - file extention

Note: '.dat' - ASCII; '.csv' - comma separated value; '.dbf', '.shp', '.shx' - ArcGIS shape files; '.nc' - netCDF files

### Short description of the statistical fields in WOA

- Objectively analyzed climatologies are the objectively interpolated mean fields for oceanographic variables at standard depth levels for the World Ocean.
- The statistical mean is the average of all unflagged interpolated values at each standard depth level for each variable in each 1° square which contains at least one measurement for the given oceanographic variable.
- The number of observations of each variable in each 1° square of the World Ocean at each standard depth level.
- The standard deviation about the statistical mean of each variable in each 1° square at each standard depth level.
- The standard error of the mean of each variable in each 1° square at each standard depth level.
- The seasonal or monthly climatology minus the annual climatology at each 1° square at each standard depth.
- The statistical mean minus the climatological mean at each 1° square at each standard depth. This value is used as an estimate of interpolation and smoothing error.
- The number of 1° squares within the smallest radius of influence around each 1° square which contain a statistical mean.