Atlantic Sea DIVA 4D analysis of Water_body_ammonium - Summer

Date(s) (Creation)
Originator(s): IFREMER / IDM / SISMER - Scientific Information Systems for the SEA
Resource provider(s): IFREMER / STATION D'ARCACHON, Aquitaine Observatory of Sciences of the Universe (Bordeaux I University) / OSU, IFREMER / DYNECO- Coastal Environment Dynamics department, IFREMER / STATION DE LA TREMBLADE, IEO/ Gijon Oceanographic Centre, IEO/ Santander Oceanographic Centre, IEO/ La Coruna Oceanographic Centre, IEO/ Vigo Oeanographic Centre, IEO/ Cadiz Oceanographic Centre, IEO/ Oceanographic Centre of Canary Island, IFREMER / DYNECO/PELAGOS-LABORATOIRE D'ECOLOGIE PELAGIQUE, IFREMER / DYNECO / PHYSED -LABO PHYSIQUE HYDRODYNAMIQUE ET SEDIMENTAIRE, IFREMER / STATION DE LA TRINITE, IFREMER / EMH-DEPARTEMENT ECOLOGIE ET MODELES POUR L'HALIEUTIQUE, UNIVERSITE DE BRETAGNE OCCIDENTALE (UBO) / LAB. D'OCEANO. CHIMIQUE LOC - IUEM, IHPT, Hydrographic Institute, EPOC - Geology and Oceanography Department
Credit Emodnet chemistry
Version 1.0
ID aa6128ba-474b-11e6-af16-40a8f051e8d0
Abstract Moving 10-years summer (July-Septembre) analysis of Ammonium at Atlantic Sea. Every year of the time dimension corresponds to the 10-year centred average of the winter season. Decades span from 1980-1989 until 2005-2014. Observational data span from 1962 to 2014. Depth range (IODE standard depths): -3000.0, -2500.0, -2000.0, -1750, -1500.0, -1400.0, -1300.0, -1200.0, -1100.0, -1000.0, -900.0, -800.0, -700.0, -600.0, -500.0, -400.0, -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. Signal to noise ratio and correlation length were optimized and filtered vertically and a seasonally-averaged profile was used. 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 consraint applied: no.
Keywords Oceanographic geographical features, Ammonium and ammonia concentration parameters in water bodies, Water body ammonium, Atlantic Ocean
Lineage The data used as input for this product have been extracted from the Emodnet Download Service: http://www.seadatanet.org/Data-Access/Common-Data-Index-CDI
Utilisation no limitations
Temporal Extent 1975-07-01 - 2014-09-30