North East Atlantic Ocean - DIVA 4D 6-year analysis of Water body chlorophyll-a 1972/2017 v2018

Moving 6-year analysis of chlorophyll-a at Atlantic Sea 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 1972-1977 until 2012-2017. Observational data span from 1972 to 2017. Depth range (IODE standard depths): -300.0, -250.0, -200.0, -150.0, -125.0, -100.0, -75.0, -50.0,-40.0, -30.0, -20.0, -10.0, -5.0, -0.0 Data Sources: observational data from SeaDataNet/EMODnet Chemistry Data Network. Description of DIVA analysis: Geostatistical data analysis by DIVA (Data-Interpolating Variational Analysis) tool. GEBCO 1min topography is used for the contouring preparation. Analyzed filed masked using relative error threshold 0.3 and 0.5 DIVA settings. Correlation length was optimized and filtered vertically and a seasonally-averaged profile was used. Signal to noise ratio was fixed to 1. Logarithmic transformation applied to the data prior to the analysis. Background field: the data mean value is subtracted from the data. Detrending of data: no, Advection constraint applied: no. The weight of time series was decreased by a factor of 10 relative to the weight of the profiles to account for the redundancy in the time series observations. Units: mg/m3

Dataset extent

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  • Atlantic Sea/Winter (January-March) - 6-years ...WMS

    WMS layer for Water_body_chlorophyll-a masked using relative error threshold...

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  • point:Atlantic Sea/Winter (January-March) - ...WMS

    WMS layer for Observations (winter)

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  • Atlantic Sea/Spring (April-June) - 6-years ...WMS

    WMS layer for Water_body_chlorophyll-a masked using relative error threshold...

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  • point:Atlantic Sea/Spring (April-June) - ...WMS

    WMS layer for Observations (spring)

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  • Atlantic Sea/Summer (July-September) - 6-years ...WMS

    WMS layer for Water_body_chlorophyll-a masked using relative error threshold...

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  • point:Atlantic Sea/Summer (July-September) - ...WMS

    WMS layer for Observations (summer)

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  • Atlantic Sea/Autumn (October-December) - ...WMS

    WMS layer for Water_body_chlorophyll-a masked using relative error threshold...

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  • point:Atlantic Sea/Autumn (October-December) - ...WMS

    WMS layer for Observations (autumn)

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  • DOI

    Data Access and Citation

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  • OPeNDAPHTML

    OPENDAP web page about the dataset Water_body_chlorophyll-a.4Danl.nc (winter)

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  • OPeNDAPHTML

    OPENDAP web page about the dataset Water_body_chlorophyll-a.4Danl.nc (spring)

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  • OPeNDAPHTML

    OPENDAP web page about the dataset Water_body_chlorophyll-a.4Danl.nc (summer)

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  • OPeNDAPHTML

    OPENDAP web page about the dataset Water_body_chlorophyll-a.4Danl.nc (autumn)

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  • Direct Download (NetCDF)ZIP

    Link to download the following file: Water_body_chlorophyll-a.4Danl.nc

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Additional Info
Field Value
access_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/2016/006 - lot4.\""]
bbox-east-long -0.099998474
bbox-north-lat 48.0
bbox-south-lat 24.9
bbox-west-long -42.0
contact-email sismer@ifremer.fr
coupled-resource
[]
dataset-reference-date
[{"type": "creation", "value": "2018-06-26"}]
frequency-of-update
graphic-preview-file http://www.emodnet-chemistry.eu/repository/phase3/images/resources.getDIVA_.ce474bda-7eba-11e8-84a3-40a8f051e8d0.png
GUID ce474bda-7eba-11e8-84a3-40a8f051e8d0
licence []
metadata-date 2019-03-13T13:21:30
metadata-language eng
point_of_contact 1 sismer@ifremer.fr
point_of_contact 10 web.malaga@ieo.es
point_of_contact 11 web.santander@ieo.es
point_of_contact 12 cedo@ieo.es
point_of_contact 13 ieo.vigo@ieo.es
point_of_contact 24 mail@hidrografico.pt
point_of_contact 27 inapplicable
point_of_contact 28 post@imr.no
point_of_contact 29 inapplicable
point_of_contact 3 enquiries@bodc.ac.uk
point_of_contact 30 inapplicable
point_of_contact 31 lov@obs-vlfr.fr
point_of_contact 32 nelly.lecquyer@locean-ipsl.upmc.fr
point_of_contact 33 orbi@inrh.org.ma
point_of_contact 34 enquiries@noc.ac.uk
point_of_contact 35 enquiries@noc.ac.uk
point_of_contact 36 forinfo@pml.ac.uk
point_of_contact 37 inapplicable
point_of_contact 38 inapplicable
point_of_contact 39 inapplicable
point_of_contact 4 queguiner@com.univ-mrs.fr
point_of_contact 40 ifm-geomar@ifm-geomar.de
point_of_contact 43 frans.jorissen@univ-angers.fr
point_of_contact 44 olivier.donard@univ-pau.fr
point_of_contact 45 jaj2@cam.ac.uk
point_of_contact 46 env.enquiries@uea.ac.uk
point_of_contact 47 inapplicable
point_of_contact 48 inapplicable
point_of_contact 49 inapplicable
point_of_contact 5 inapplicable
point_of_contact 50 inapplicable
point_of_contact 51 soes@noc.soton.ac.uk
point_of_contact 52 inapplicable
point_of_contact 53 inapplicable
point_of_contact 54 lei.chou@ulb.ac.be
point_of_contact 6 web.murcia@ieo.es
point_of_contact 7 web.cadiz@ieo.es
point_of_contact 8 web.gijon@ieo.es
point_of_contact 9 ieo.coruna@ieo.es
progress
resource-type series
responsible-party
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spatial {"type": "Polygon", "coordinates": [[[-42.0, 24.9], [-0.099998474, 24.9], [-0.099998474, 48.0], [-42.0, 48.0], [-42.0, 24.9]]]}
spatial-data-service-type
spatial-reference-system WGS 84 (EPSG 4326)
spatial_harvester true
system:type Series
temporal-extent-begin 1977-01-17T09:30:56
temporal-extent-end 2017-03-27T12:50:37
topic_category oceans
Management Info
Field Value
Author EMODnet Chemistry
Maintainer bluebridge_catalogue_one
Last Updated 26 September 2019, 16:47 (CEST)
Created 26 September 2019, 16:47 (CEST)