7f963926-23ba-48d6-ac83-a995ae5ea4aa Product record EMODnet Chemistry sextant@ifremer.fr https://emodnet.ec.europa.eu/en/chemistry 2025-11-18T13:33:12.263132Z ISO 19115:2003/19139 - EMODNET - SDN 1.0 2 22 89 false WGS 84 (EPSG 4326) EPSG Northeast Atlantic Ocean - Loire River - DIVAnd 4D seasonal analysis of Water body dissolved inorganic nitrogen 1971/2024 v2025 Loire-Water_body_dissolved_inorganic_nitrogen-v2025-ANA 2025-10-16 1 7f963926-23ba-48d6-ac83-a995ae5ea4aa Seasonal climatology of Water body dissolved inorganic nitrogen for Loire river for the period 1971-2024 and for the following seasons: - winter: January-March, - spring: April-June, - summer: July-September, - autumn: October-December. Observation data span from 1971 to 2024. 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 2.7.12, 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): 72000 (winter), 43000 (spring), 215000 (summer), 150000 (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. EMODnet Chemistry Ifremer, Scientific Information Systems for the sea +33 (0)2 98.22.49.16 +33 (0)2 98.22.46.44 IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 PLOUZANE 29280 France sismer@ifremer.fr http://data.ifremer.fr/SISMER web site Ifremer, Biogeochemical and Ecotoxicological Resarch Unit (Brest) +33 (0)2 98 22 44 64 +33 (0)2 98 22 45 48 Ifremer Centre de Bretagne ZI Pointe du diable CS 10070 PLOUZANE 29280 France https://wwz.ifremer.fr/pollution web site Ifremer, CRELA +33(0)5 46.50.94.40 +33(0)5 46.50.06.60 Centre de Recherche sur Ecosystèmes Littoraux Anthropisés Place du Séminaire BP 7 L'HOUMEAU 17137 France web site Ifremer, DYNECO, PELAGOS - Laboratoire d'Ecologie Pelagique +33(0)2 98 22 43 34 +33(0)2 98 22 45 98 IFREMER Centre de Brest BP70 PLOUZANE 29280 France https://wwz.ifremer.fr/delec web site Ifremer, DYNECO, PHYSED - Labo Physique Hydrodynamique et Sedimentaire 33 (0)2 98 22 47 60 33 (0)2 98 22 45 55 IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 PLOUZANE 29280 France web site Ifremer, DYNECO- Coastal Environment Dynamics department +33 (0)2 98.22.43.51 +33 (0)2 98 22 45.48 IFREMER Centre de Bretagne ZI Pointe du diable CS 10070 PLOUZANE 29280 France https://wwz.ifremer.fr/en web site Ifremer, Ecology and Models for the Fishing Industry +33 (0)2 40 37 41 67 +33 (0)2 40 37 40 75 Centre Ifremer de Nantes Rue de l'Ile d'Yeu BP 21105 NANTES CEDEX 03 44311 France https://wwz.ifremer.fr/emh web site Ifremer, Fisheries Science and Technology (Plouzane) +33 (0)2 98 22 43 66 +33 (0)2 98 22 45 47 Centre Ifremer Bretagne ZI Pointe du diable CS 10070 PLOUZANE 29280 France https://wwz.ifremer.fr/sciences_technologies_halieutiques web site Ifremer, Fisheries Sciences and Technology (Lorient) +33(0)2 97 87 38 00 +33 (0)2 97 87 38 36 Station Ifremer Lorient 8 rue François Toullec LORIENT 56100 France https://wwz.ifremer.fr/sciences_technologies_halieutiques web site Ifremer, Information Valuation Service for Integrated Management and Monitoring +33 (02 40.37.40.00 +33 (0)2 40.37.40.01 Rue de l'Ile d'Yeu BP 1105 NANTES CEDEX 03 44311 France https://wwz.ifremer.fr/Recherche/Departements-scientifiques/Departement-Oceanographie-et-Dynamique-des-Ecosystemes/VIGIES web site Ifremer, Station de la Tremblade +33(0)5 46.36.18.41 +33(0)5 46.36.18.47 Mus du Loup,BP 133 LA TREMBLADE 17390 France https://wwz.ifremer.fr/latremblade web site EMODnet Chemistry https://sextant.ifremer.fr/geonetwork/srv/api/records/7f963926-23ba-48d6-ac83-a995ae5ea4aa/attachments/LoireHD_DIN.png Thèmes Sextant 2024-09-27 geonetwork.thesaurus.local.theme.sextant-theme Oceanographic geographical features GEMET - INSPIRE themes, version 1.0 2009-09-22 geonetwork.thesaurus.external.theme.inspire-theme Dissolved inorganic nitrogen concentration in the water column Parameter Discovery Vocabulary (P02) 2025-07-29 geonetwork.thesaurus.external.parameter.NVS.P02 Water body dissolved inorganic nitrogen (DIN) EMODnet Chemistry aggregated parameter names 2025-07-29 geonetwork.thesaurus.external.parameter.NVS.P35 EMODnet Chemistry chemical groups 2025-07-29 geonetwork.thesaurus.external.parameter.NVS.P36 Northeast Atlantic Ocean (40W) SeaVoX salt and fresh water body gazetteer 2025-07-29 geonetwork.thesaurus.external.reference-geographical-area.NVS.C19 water body Matrix Categories 2025-07-29 geonetwork.thesaurus.external.parameter.NVS.L04 EMODnet Chemistry The data are available under the Creative Commons Attribution 4.0 International Public License (https://creativecommons.org/licenses/by/4.0/). Usage is subject to mandatory citation: "This resource was generated by EMODnet Chemistry under the support of DG MARE Call for Tender EASME/2019/OP/0003-lot4." 0.0099983 eng oceans bounding box -4.01 -1.0099 46.25 47.9997 1971 2024 -130.0 0 false surface Climate and Forecast NetCDF 1.6 http://ec.oceanbrowser.net/emodnet/Python/web/wms?SERVICE=WMS&REQUEST=GetCapabilities&VERSION=1.3.0 OGC:WMS Coastal areas/Northeast Atlantic Ocean - Loire/Water_body_dissolved_inorganic_nitrogen.nc*Water_body_dissolved_inorganic_nitrogen_L1 WMS layer for Water body dissolved inorganic nitrogen masked using relative error threshold 0.3 http://ec.oceanbrowser.net/emodnet/Python/web/wms?SERVICE=WMS&REQUEST=GetCapabilities&VERSION=1.3.0 OGC:WMS point:Coastal areas/Northeast Atlantic Ocean - Loire/Water_body_dissolved_inorganic_nitrogen.nc*obsid WMS layer for Observations https://emodnet.ec.europa.eu/geoviewer/ WWW:LINK https://doi.org/10.13120/7f963926-23ba-48d6-ac83-a995ae5ea4aa DOI Digital Object Identifier (DOI) DOI http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-domains/Coastal_areas-water_body/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_dissolved_inorganic_nitrogen.nc.html WWW:DOWNLOAD OPeNDAP OPeNDAP web page about the dataset Water_body_dissolved_inorganic_nitrogen.nc https://ec.oceanbrowser.net/data/emodnet-domains/Coastal_areas-water_body/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_dissolved_inorganic_nitrogen.nc WWW:DOWNLOAD Direct Download (NetCDF) Direct Download (NetCDF) COMMISSION REGULATION (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 See the referenced specification 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