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 data       graph     Arctic Ocean, DIVAnd 4D 6-year seasonal analysis of Water body phosphate 1965/2024 v2025 [
observations] 		   ?            M   background (external link) RSS Subscribe
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oceanbrowser_opendap_eb41_91fe_0b58

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL abstract String Moving 6-year analysis of phosphate in the Arctic Ocean, for each season in the period 1965-2024. Every year of the time dimension corresponds to the 6-year centered average for each season. Winter: December-February, Spring: March-May, Summer: June-August, Autumn: September-November. Depth range (IODE standard depths): 0, 5, 10, 20, 30, 40, 50, 75, 100, 125, 150, 200, 250, 300, 400, ..., 1500, 1750, 2000, 2500m. Units: umol/l. Description of DIVA analysis: The computation was done with DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.13, using GEBCO 30sec topography for the spatial connectivity of water masses. The horizontal resolution of the produced DIVAnd maps grids is 0.125 degrees. Signal-to-noise ratio was fixed to 3.0, horizontal correlation length varying from 45 km near the coast to 150 km, and vertical correlation length varying between 25 and 1000 m. Logarithmic transformation is applied to the data prior to the analysis. Background field: analysis with signal-to-noise ratio = 20, horizontal correlation length 50-200 km, and vertical correlation length 25-1000 m.
attribute NC_GLOBAL Acknowledgements String Aggregated data products are generated by EMODnet Chemistry under the support of DG MARE Call for Tenders EASME/2020/OP/0006 (EASME/EMFF/2020/3.1.11/Lot 5/SI2.846161)
attribute NC_GLOBAL area_keywords String Arctic Ocean
attribute NC_GLOBAL area_keywords_urn String SDN:C19::9
attribute NC_GLOBAL Author_e_mail String Ann.Kristin.Ostrem@imr.no, Helge.Sagen@imr.no
attribute NC_GLOBAL bathymetry_source String The GEBCO 30sec Digital Atlas published by the British Oceanographic Data Centre on behalf of IOC and IHO, 2003
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL Conventions String CF-1.60, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_name String Institute of Marine Research
attribute NC_GLOBAL creator_url String http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2025/By_sea_regions-water_body/Arctic_Ocean/Water_body_phosphate.4Danl.nc.html (external link)
attribute NC_GLOBAL date String 2025-10-15T10:16:44
attribute NC_GLOBAL DIVAnd_code_doi String https://doi.org/10.5281/zenodo.7016823 (external link)
attribute NC_GLOBAL DIVAnd_references String Barth, A.; Beckers, J.-M.; Troupin, C.; Alvera-Azcárate, A. & Vandenbulcke, L. divand-1.0: n-dimensional variational data analysis for ocean observations. Geoscientific Model Development, 2014, 7, 225-241. DOI: :10.5194/gmd-7-225-2014
attribute NC_GLOBAL DIVAnd_source String https://github.com/gher-uliege/DIVAnd.jl (external link)
attribute NC_GLOBAL DIVAnd_version String 2.7.13
attribute NC_GLOBAL documentation String 10.13120/FA5C704A-A5EA-4F60-91B5-2BF6A7ADED45
attribute NC_GLOBAL doi String 10.13120/f13fe89f-e231-4956-9d37-b8170827896f
attribute NC_GLOBAL file_name String Water_body_phosphate.4Danl.nc
attribute NC_GLOBAL history String Thu Nov 6 15:24:05 2025: ncks -7 -O -L 5 --baa=4 --ppc default=3 /media/ctroupin/T7 Shield/data/EMODnet-Chemistry/Eutrophication2024/Results/By_sea_regions-water_body/Arctic_Ocean/Water_body_phosphate.4Danl.nc /media/ctroupin/T7 Shield/data/EMODnet-Chemistry/Eutrophication2024/Results/By_sea_regions-water_body/Arctic_Ocean/Water_body_phosphate.4Danl.nc
attribute NC_GLOBAL id String DatasetScan/emodnet-projects/v2025/By_sea_regions-water_body/Arctic_Ocean/Water_body_phosphate.4Danl.nc
attribute NC_GLOBAL infoUrl String http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2025/By_sea_regions-water_body/Arctic_Ocean/Water_body_phosphate.4Danl.nc.html (external link)
attribute NC_GLOBAL institution String Institute of Marine Research
attribute NC_GLOBAL institution_urn String SDN:EDMO::1351
attribute NC_GLOBAL keywords String 6-year, analysis, arctic, below, body, data, depth, divand, exchange, institute, international, iode, latitude, level, longitude, marine, obsdepth, observations, obslat, obslon, obstime, ocean, oceanographic, phosphate, po4, research, sea, seasonal, seawater, time, v2025, water, year
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL NCO String netCDF Operators version 5.2.1 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco, Citation = 10.1016/j.envsoft.2008.03.004)
attribute NC_GLOBAL parameter_keyword String Water body phosphate
attribute NC_GLOBAL parameter_keyword_urn String SDN:P35::EPC00007
attribute NC_GLOBAL product_code String Arctic-Water_body_phosphate-v2025-ANA
attribute NC_GLOBAL product_id String f13fe89f-e231-4956-9d37-b8170827896f
attribute NC_GLOBAL product_version String 1.0
attribute NC_GLOBAL project String EMODnet Chemistry
attribute NC_GLOBAL search_keywords String Phosphate concentration parameters in the water column
attribute NC_GLOBAL search_keywords_urn String SDN:P02::PHOS
attribute NC_GLOBAL source String Observational data from SeaDataNet/EMODnet Chemistry Data Network
attribute NC_GLOBAL sourceUrl String http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2025/By_sea_regions-water_body/Arctic_Ocean/Water_body_phosphate.4Danl.nc (external link)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL summary String Arctic Ocean - DIVAnd 4D 6-year seasonal analysis of Water body phosphate 1965/2024 v2025. Moving 6-year analysis of phosphate in the Arctic Ocean, for each season in the period 1965-2024. Every year of the time dimension corresponds to the 6-year centered average for each season. Winter: December-February, Spring: March-May, Summer: June-August, Autumn: September-November. Depth range (International Oceanographic Data Exchange (IODE) standard depths): 0, 5, 10, 20, 30, 40, 50, 75, 100, 125, 150, 200, 250, 300, 400, ..., 1500, 1750, 2000, 2500m. Units: umol/l. Description of DIVA analysis: The computation was done with DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.13, using GEBCO 30sec topography for the spatial connectivity of water masses. The horizontal resolution of the produced DIVAnd maps grids is 0.125 degrees. Signal-to-noise ratio was fixed to 3.0, horizontal correlation length varying from 45 km near the coast to 150 km, and vertical correlation length varying between 25 and 1000 m. Logarithmic transformation is applied to the data prior to the analysis. Background field: analysis with signal-to-noise ratio = 20, horizontal correlation length 50-200 km, and vertical correlation length 25-1000 m.
attribute NC_GLOBAL title String Arctic Ocean, DIVAnd 4D 6-year seasonal analysis of Water body phosphate 1965/2024 v2025 [observations]
dimension observations   int nValues=353436, evenlySpaced=true, averageSpacing=1.0
attribute observations actual_range int 0, 353435
attribute observations long_name String Observations
attribute observations units String count
variable obsdepth   float observations
attribute obsdepth colorBarMaximum double 8000.0
attribute obsdepth colorBarMinimum double -8000.0
attribute obsdepth colorBarPalette String TopographyDepth
attribute obsdepth long_name String depth below sea level
attribute obsdepth positive String down
attribute obsdepth standard_name String depth
attribute obsdepth units String meters
variable obslat   float observations
attribute obslat colorBarMaximum double 90.0
attribute obslat colorBarMinimum double -90.0
attribute obslat long_name String latitude
attribute obslat standard_name String latitude
attribute obslat units String degrees_north
variable obslon   float observations
attribute obslon colorBarMaximum double 180.0
attribute obslon colorBarMinimum double -180.0
attribute obslon long_name String longitude
attribute obslon standard_name String longitude
attribute obslon units String degrees_east
variable obstime   double observations
attribute obstime ioos_category String Time
attribute obstime long_name String Time
attribute obstime standard_name String time
attribute obstime time_origin String 01-JAN-1970 00:00:00
attribute obstime units String seconds since 1970-01-01T00:00:00Z

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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