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ERDDAP > info > Loire_Si_3D_a868_8398_6610

Title Sum-
Institution Dataset ID
 data       graph  M    Northeast Atlantic Ocean, Loire estuary, DIVAnd 4D seasonal analysis of Water body silicate
1965/2019 v2021 [time][lat][lon], 1990
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL abstract String Seasonal climatology of Water body silicate for Loire river for the period 1950-2021 and for the following seasons:
- winter: January-March,
- spring: April-June,
- summer: July-September,
- autumn: October-December.
Observation data span from 1950 to 2021.
Depth levels (m): [0.0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0, 40.0, 45.0, 50.0, 60.0, 70.0, 80.0, 90.0, 100.0, 110.0, 120.0, 130.0].
Data sources: observational data from SeaDataNet/EMODNet Chemistry Data Network.
Description of DIVAnd analysis: the computation was done with DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.4, using GEBCO 15 sec topography for the spatial connectivity of water masses. The horizontal resolution of the produced DIVAnd maps is 0.01 degrees. Horizontal correlation length is defined seasonally (in meters): 133000 (winter), 180000 (spring), 150000 (summer), 210000 (autumn). Vertical correlation length was optimized and vertically filtered and a seasonally-averaged profile was used (DIVAnd.fitvertlen). Signal-to-noise ratio was fixed to 1 for vertical profiles and 0.1 for time series to account for the redundancy in the time series observations. A logarithmic transformation (DIVAnd.loglin) was applied to the data prior to the analysis. Background field: the vertically-filtered data mean profile is substracted from the data. Detrending of data: no, advection constraint applied: no.
Units: umol/l.
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 Northeast Atlantic Ocean (40W)
attribute NC_GLOBAL area_keywords_urn String SDN:C19::SVX00015
attribute NC_GLOBAL author_e_mail String Nolwenn PAGES <nolwenn.pages@ifremer.fr> Delphine LEROY <delphine.leroy@ifremer.fr> Julie GATTI <julie.gatti@ifremer.fr>
attribute NC_GLOBAL Author_email String Quitterie CAZENAVE <quitterie.cazenave@ifremer.fr> Julie GATTI <julie.gatti@ifremer.fr>
attribute NC_GLOBAL bathymetry_source String resolution: 0.1 degree, based on the global GEBCO Digital Atlas, 30 sec, 2014
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL citation String Usage is subject to mandatory citation: "This resource was generated in the framework of EMODnet Chemistry, under the support of DG MARE Call for Tender EASME/EMFF/2020/3.1.11/European Marine Observation and Data Network (EMODnet) - Lot 5 - Chemistry"
attribute NC_GLOBAL Conventions String CF-1.6, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_name String IFREMER, SISMER, Scientific Information Systems for the SEA
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://wwz.ifremer.fr/ (external link)
attribute NC_GLOBAL date String 2023-05-16T17:48:27.701
attribute NC_GLOBAL DIVA_references String Barth, A., Beckers, J.-M., Troupin, C., Alvera-Azcarate, A., and Vandenbulcke, L. (2014): divand-1.0: n-dimensional variational data analysis for ocean observations, Geosci. Model Dev., 7, 225-241, doi: 10.5194/gmd-7-225-2014
attribute NC_GLOBAL DIVAnd_code_doi String 10.5281/zenodo.7016823
attribute NC_GLOBAL DIVAnd_references String Barth, A.; Beckers, J.-M.; Troupin, C.; Alvera-Azcarate, 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 v2.7.9
attribute NC_GLOBAL doi String https://doi.org/10.13120/2b30d0f9-6f1e-49cd-b237-f01cc7c70d2e (external link)
attribute NC_GLOBAL Easternmost_Easting double -1.0099315643310547
attribute NC_GLOBAL file_name String Water_body_silicate.nc
attribute NC_GLOBAL geospatial_lat_max double 47.99970626831055
attribute NC_GLOBAL geospatial_lat_min double 46.25
attribute NC_GLOBAL geospatial_lat_resolution double 0.009998321533203125
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -1.0099315643310547
attribute NC_GLOBAL geospatial_lon_min double -4.010000228881836
attribute NC_GLOBAL geospatial_lon_resolution double 0.010000228881835938
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String observational data from SeaDataNet/EMODnet Chemistry Data Network
attribute NC_GLOBAL id String DatasetScan/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc
attribute NC_GLOBAL infoUrl String http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc.html (external link)
attribute NC_GLOBAL institution String IFREMER, SISMER, Scientific Information Systems for the SEA
attribute NC_GLOBAL institution_urn String SDN:EDMO::486
attribute NC_GLOBAL keywords String analysis, atlantic, body, chemistry, concentration, data, deepest, divand, earth, Earth Science > Oceans > Ocean Chemistry > Silicate, error, estuary, exploitation, francais, ifremer, information, institut, latitude, loire, longitude, masked, mer, mole, mole_concentration_of_silicate_in_sea_water, northeast, ocean, oceans, pour, recherche, relative, science, scientific, sea, seasonal, seawater, silicate, sismer, systems, threshold, time, using, v2021, values, water, water_body_silicate, Water_body_silicate_deepest, Water_body_silicate_deepest_L1, Water_body_silicate_deepest_L2
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
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 4.9.9 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)
attribute NC_GLOBAL Northernmost_Northing double 47.99970626831055
attribute NC_GLOBAL parameter_keyword String Water body silicate
attribute NC_GLOBAL parameter_keyword_urn String SDN:P35::EPC00008
attribute NC_GLOBAL product_code String Loire-Water_body_silicate-v2023-ANA
attribute NC_GLOBAL product_id String 2b30d0f9-6f1e-49cd-b237-f01cc7c70d2e
attribute NC_GLOBAL product_version String 3
attribute NC_GLOBAL project String EMODNET Chemistry - Phase 5
attribute NC_GLOBAL search_keywords String Silicate concentration parameters in the water column
attribute NC_GLOBAL search_keywords_urn String SDN:P02::SLCA
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-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc (external link)
attribute NC_GLOBAL Southernmost_Northing double 46.25
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL summary String Northeast Atlantic Ocean - Loire estuary - DIVAnd 4D seasonal analysis of Water body silicate 1965/2019 v2021. Every range of the time corresponds to a season (Winter=Jan-Mar,Spring=Apr-Jun, Summer=Jul-Sep, Autumn=Oct-Dec). Horizontal resolution 0.01deg.
attribute NC_GLOBAL time_coverage_end String 1985-11-16T00:00:00Z
attribute NC_GLOBAL time_coverage_start String 1985-02-16T00:00:00Z
attribute NC_GLOBAL title String Northeast Atlantic Ocean, Loire estuary, DIVAnd 4D seasonal analysis of Water body silicate 1965/2019 v2021 [time][lat][lon], 1990
attribute NC_GLOBAL Westernmost_Easting double -4.010000228881836
dimension time   double nValues=4, evenlySpaced=false, averageSpacing=91 days
attribute time _CoordinateAxisType String Time
attribute time actual_range double 4.7736E8, 5.009472E8
attribute time axis String T
attribute time calendar String standard
attribute time climatology String climatology_bounds
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
dimension latitude   double nValues=176, evenlySpaced=true, averageSpacing=0.009998321533203125
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double 46.25, 47.99970626831055
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
dimension longitude   double nValues=301, evenlySpaced=true, averageSpacing=0.010000228881835938
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double -4.010000228881836, -1.0099315643310547
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable Water_body_silicate_deepest   float time, latitude, longitude
attribute Water_body_silicate_deepest _FillValue float 9.96921E36
attribute Water_body_silicate_deepest colorBarMaximum double 50.0
attribute Water_body_silicate_deepest colorBarMinimum double 0.0
attribute Water_body_silicate_deepest long_name String Deepest values of Water body silicate
attribute Water_body_silicate_deepest missing_value float 9.96921E36
attribute Water_body_silicate_deepest standard_name String mole_concentration_of_silicate_in_sea_water
attribute Water_body_silicate_deepest units String umol/l
variable Water_body_silicate_deepest_L1   float time, latitude, longitude
attribute Water_body_silicate_deepest_L1 _FillValue float 9.96921E36
attribute Water_body_silicate_deepest_L1 cell_methods String time: mean within years time: mean over years
attribute Water_body_silicate_deepest_L1 colorBarMaximum double 50.0
attribute Water_body_silicate_deepest_L1 colorBarMinimum double 0.0
attribute Water_body_silicate_deepest_L1 long_name String Deepest values of Water body silicate masked using relative error threshold 0.3
attribute Water_body_silicate_deepest_L1 missing_value float 9.96921E36
attribute Water_body_silicate_deepest_L1 standard_name String water_body_silicate
attribute Water_body_silicate_deepest_L1 units String umol/l
variable Water_body_silicate_deepest_L2   float time, latitude, longitude
attribute Water_body_silicate_deepest_L2 _FillValue float 9.96921E36
attribute Water_body_silicate_deepest_L2 cell_methods String time: mean within years time: mean over years
attribute Water_body_silicate_deepest_L2 colorBarMaximum double 50.0
attribute Water_body_silicate_deepest_L2 colorBarMinimum double 0.0
attribute Water_body_silicate_deepest_L2 long_name String Deepest values of Water body silicate masked using relative error threshold 0.5
attribute Water_body_silicate_deepest_L2 missing_value float 9.96921E36
attribute Water_body_silicate_deepest_L2 standard_name String water_body_silicate
attribute Water_body_silicate_deepest_L2 units String umol/l

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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