Northeast Atlantic Ocean - DIVAnd 4D seasonal 6-year average analysis of Water body silicate 1950/2021 v2023

Moving 6-year analysis of Water body silicate in the NorthEast Atlantic for each season:

- winter: January-March,

- spring: April-June,

- summer: July-September,

- autumn: October-December.

Every year of the time dimension corresponds to the 6-year centred average of each season. 6-year periods span from 1950/1955 until 2016/2021. Observation data span from 1950 to 2021.

Depth levels (IODE standard depths): [0.0, 5.0, 10.0, 20.0, 30.0, 40.0, 50.0, 75.0, 100.0, 125.0, 150.0, 200.0, 250.0, 300.0, 400.0, 500.0, 600.0, 700.0, 800.0, 900.0, 1000.0, 1100.0, 1200.0, 1300.0, 1400.0, 1500.0, 1750.0, 2000.0].

Data sources: observational data from SeaDataNet/EMODNet Chemistry Data Network.

Descrption of DIVAnd analysis: the computation was done with DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.4, using GEBCO 30 sec topography for the spatial connectivity of water masses. The horizontal resolution of the produced DIVAnd maps is 0.1 degrees. Horizontal correlation length varies from 300km in open sea regions to 50km at the coast. Vertical correlation length is defined as twice the vertical resolution. 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.Anam.loglin) was applied to the data prior to the analysis to avoid unrealistic negative values. Background field: a vertically-filtered profile of the seasonal data mean value (including all years) is substracted from the data.

Detrending of data: no, advection constraint applied: no.

Units: umol/l.

Simple

Alternate title
Atlantic-Water_body_silicate-v2023-ANA
Date (Creation)
2023-05-16
Edition
3
Identifier
076887b2-bab2-42fc-af1d-25e68ee6006d
Credit
EMODnet Chemistry
Author
  Ifremer, Scientific Information Systems for the sea -
IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 , PLOUZANE , 29280 , France
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Originator
  Aarhus University, Department of Bioscience, Marine Ecology Aarhus
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Originator
  Angers University, Laboratory of current and fossil bio-indicators
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  Aquitaine Observatory of Sciences of the Universe, University of Bordeaux
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Originator
  Arctic and Antarctic Research Institute, Roshydromet (Saint-Petersburg)
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  Atlantic Scientific Research Institute for Marine Fishery and Oceanography
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  British Oceanographic Data Centre
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  CNRS, COM, Physical and Biogeochemical Oceanography Laboratory (Luminy)
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  CNRS, Laboratory Of Sciences Of Marine Environment
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  Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory
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  Dunstaffnage Marine Laboratory
Dunbeg , Oban , PA37 1QA , United Kingdom
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  EPOC, Geology and Oceanography Department
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  Federal Maritime and Hydrographic Agency
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  Hydrographic Institute
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  IEO-CSIC, Murcia Oceanographic Centre
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  IEO-CSIC, A Coruna Oceanographic Centre
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  IFREMER, Biogeochemical and Ecotoxicological Resarch Unit (Brest)
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  James Rennell Centre for Ocean Circulation
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  Marine Institute
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  National Oceanography Centre (Southampton)
University of Southampton Waterfront Campus European Way , Southampton , SO14 3ZH , United Kingdom
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  Odessa Branch of State Oceanographic Institute
Odessa , Ukraine
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  Queen's University Belfast, School of Biological Sciences
Medical Biology Centre , Belfast , BT9 7BL , United Kingdom
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Originator
  Scottish Association for Marine Science
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  Southampton Oceanography Centre
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  Universite de Bretagne Occidentale, Lab. D'Oceano. Chimique Loc, LUEM
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  Universite de Pau, multidisciplinary research institute for the environment and materials
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Originator
  University of Azores, Department of Oceanography and Fisheries (IMAR network)
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Originator
  University of Cambridge Department of Earth Sciences
Downing Street , Cambridge , CB2 3EQ , United Kingdom
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Originator
  University of Liverpool Department of Earth, Ocean and Ecological Sciences
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Custodian
  EMODnet Chemistry
GEMET - INSPIRE themes, version 1.0
Parameter Discovery Vocabulary (P02)
EMODnet Chemistry aggregated parameter names
EMODnet Chemistry chemical groups
SeaVoX salt and fresh water body gazetteer
Matrix Categories
Theme
  • EMODnet Chemistry
Use limitation
The data are available under the Creative Commons Attribution 4.0 International Public License (https://creativecommons.org/licenses/by/4.0/).
Access constraints
Other restrictions
Other constraints
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"
Spatial representation type
Grid
Distance
0.1  degree
Metadata language
eng
Topic category
  • Oceans
Description
bounding box
N
S
E
W
thumbnail


Begin date
1950-05-12T01:00:00
End date
2021-12-30T14:51:02

Vertical extent

Minimum value
-2000.0
Maximum value
0
Vertical CRS
Reference system identifier
EPSG / WGS 84 (EPSG 4326)
Number of dimensions
2
Dimension name
Vertical
Dimension size
28
Dimension name
Time
Resolution
90.0  day
Cell geometry
Area
Transformation parameter availability
No
Distribution format
  • Climate and Forecast NetCDF ( 1.6 )

OnLine resource
By sea regions/Northeast Atlantic Ocean/Water_body_silicate.4Danl.nc*Water_body_silicate_L1 ( OGC:WMS )

WMS layer for Water body silicate masked using relative error threshold 0.3

OnLine resource
point:By sea regions/Northeast Atlantic Ocean/Water_body_silicate.4Danl.nc*obsid ( OGC:WMS )

WMS layer for Observations

OnLine resource
https://emodnet.ec.europa.eu/geoviewer/ ( WWW:LINK )
OnLine resource
Digital Object Identifier (DOI) ( DOI )

Data Access and Citation

OnLine resource
OPeNDAP ( WWW:DOWNLOAD-1.0-link--download )

OPeNDAP web page about the dataset Water_body_silicate.4Danl.nc

OnLine resource
Direct Download (NetCDF) ( WWW:DOWNLOAD-1.0-link--download )

Direct Download (NetCDF)

Hierarchy level
Series

Conformance result

Date (Publication)
2010-12-08
Explanation
See the referenced specification
Statement
The data used as input for this product have been extracted from the EMODnet Chemistry Download Service: http://emodnet-chemistry.maris2.nl/v_cdi_v3/search.asp
Included with dataset
No
Feature types
surface
File identifier
076887b2-bab2-42fc-af1d-25e68ee6006d XML
Metadata language
English
Character set
UTF8
Hierarchy level
Series
Hierarchy level name
Product record
Date stamp
2023-12-12T11:40:26.648Z
Metadata standard name
ISO 19115:2003/19139 - EMODNET - SDN
Metadata standard version
1.0
Point of contact
  EMODnet Chemistry -
https://emodnet.ec.europa.eu/en/chemistry
 
 

Overviews

overview
SLCA_NEAtl_tmbnl.PNG

Spatial extent

N
S
E
W
thumbnail


Keywords

EMODnet Chemistry
GEMET - INSPIRE themes, version 1.0
Oceanographic geographical features

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