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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL abstract String Moving 6-year analysis of Water body chlorophyll-a in Black Sea for each season: winter (December-February), spring (March-May), summer (June-August), autumn (September-November). Every year of the time dimension corresponds to the 6-year centered average of the season. 6-years periods span from 1990-1995 until 2016-2021.\nData Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network.\nUnits: mg/m^3.\nDIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.9, using GEBCO 30sec topography for the spatial connectivity of water masses.\nThe horizontal resolution of the produced DIVAnd maps grids is 0.05 degrees.\nThe vertical resolution is 7 depth levels: 0, 5, 10, 20, 30, 40, 50m.\nThe horizontal correlation length: 80km.\nThe vertical correlation length (in meters):  twice the vertical resolution (10, 10, 20, 20, 20, 20, 20).\nThe error variance (epsilon2): 1 \nAn anamorphosis transformation was applied to the data: threshold value=200.\nBackground field: not used.\nQuality control of the observations was applied using the interpolated field: QCMETHOD=3 and visual inspection (Observations with residuals outside the minimum and maximum values of the 99% quantile were discarded from the analysis after thoroughly visual inspection).
attribute NC_GLOBAL acknowledgement 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 Black Sea
attribute NC_GLOBAL area_keywords_urn String SDN:C19::3_3
attribute NC_GLOBAL Author_e_mail String Gheorghe Sarbu <ghesarbu@gmail.com>, Luminita Buga <lbuga@web.de>
attribute NC_GLOBAL bathymetry_source String The GEBCO Digital Atlas published by the British Oceanographic Data Centre on behalf of IOC and IHO, 2003. Resolution used for the analysis: 30 arc-second
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 comment String Every year of the time dimension corresponds to a 6-year centred average for the seasons: winter (Dec-Feb), spring (Mar-May), summer (Jun-Aug), autumn (Sep-Nov). Horizontal resolution 0.05 degree by 0.05 degree
attribute NC_GLOBAL Conventions String CF-1.60, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_name String National Institute for Marine Research and Development \"Grigore Antipa\"
attribute NC_GLOBAL creator_url String http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2023/By_sea_regions/Black_Sea/Water_body_chlorophyll-a.4Danl.nc.html (external link)
attribute NC_GLOBAL date String 2023-03-19T11:27:54
attribute NC_GLOBAL DIVA_code_doi String 10.5281/zenodo.7016823
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_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/10.13120/1c1e5e79-3d6f-4998-b7cf-59e3e148ddbc (external link)
attribute NC_GLOBAL Easternmost_Easting double 42.0
attribute NC_GLOBAL file_name String By_sea_regions/Black_Sea/Water_body_chlorophyll-a.4Danl.nc
attribute NC_GLOBAL geospatial_lat_max double 48.0
attribute NC_GLOBAL geospatial_lat_min double 40.0
attribute NC_GLOBAL geospatial_lat_resolution double 0.05
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 42.0
attribute NC_GLOBAL geospatial_lon_min double 26.5
attribute NC_GLOBAL geospatial_lon_resolution double 0.05
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String Fri Sep  1 09:59:41 2023: ncks -O Water_body_chlorophyll-a.4Danl.nc Water_body_chlorophyll-a.4Danl.nc
attribute NC_GLOBAL id String DatasetScan/emodnet-projects/v2023/By_sea_regions/Black_Sea/Water_body_chlorophyll-a.4Danl.nc
attribute NC_GLOBAL infoUrl String http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-projects/v2023/By_sea_regions/Black_Sea/Water_body_chlorophyll-a.4Danl.nc.html (external link)
attribute NC_GLOBAL institution String National Institute for Marine Research and Development \"Grigore Antipa\"
attribute NC_GLOBAL institution_urn String SDN:EDMO::697
attribute NC_GLOBAL keywords String 6-year, analysis, antipa, black, body, chla, chlorophyll, chlorophyll-a, color, control, data, depth, development, divand, grigore, institute, latitude, longitude, marine, national, ocean, ocean color, quality, research, sea, seasonal, seawater, statistics, time, v2023, water, water_body_chlorophyll-a, Water_body_chlorophyll_a, Water_body_chlorophyll_a_L1, Water_body_chlorophyll_a_L2, Water_body_chlorophyll_a_relerr, year
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended\nfor legal use, since it may contain inaccuracies. Neither the data\nContributor, ERD, NOAA, nor the United States Government, nor any\nof their employees or contractors, makes any warranty, express or\nimplied, including warranties of merchantability and fitness for a\nparticular purpose, or assumes any legal liability for the accuracy,\ncompleteness, 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 48.0
attribute NC_GLOBAL parameter_keyword String Water body chlorophyll-a
attribute NC_GLOBAL parameter_keyword_urn String SDN:P35::EPC00105
attribute NC_GLOBAL product_code String Black_Sea-Water_body_chlorophyll-a-v2023-ANA
attribute NC_GLOBAL product_id String d4fa14db-81f5-4127-9425-75edc43462c3
attribute NC_GLOBAL product_version String 2.0
attribute NC_GLOBAL project String EMODnet-Chemistry
attribute NC_GLOBAL search_keywords String Chlorophyll pigment concentrations in water bodies
attribute NC_GLOBAL search_keywords_urn String SDN:P02::CPWC
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-projects/v2023/By_sea_regions/Black_Sea/Water_body_chlorophyll-a.4Danl.nc (external link)
attribute NC_GLOBAL Southernmost_Northing double 40.0
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v70
attribute NC_GLOBAL summary String Black Sea - DIVAnd 4D 6-year seasonal analysis of Water body chlorophyll-a 1990/2021 v2023. Moving 6-year analysis of Water body chlorophyll-a in Black Sea for each season: winter (December-February), spring (March-May), summer (June-August), autumn (September-November). Every year of the time dimension corresponds to the 6-year centered average of the season. 6-years periods span from 1990-1995 until 2016-2021.\nData Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network.\nUnits: mg/m^3.\nDIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.9, using GEBCO 30sec topography for the spatial connectivity of water masses.\nThe horizontal resolution of the produced DIVAnd maps grids is 0.05 degrees.\nThe vertical resolution is 7 depth levels: 0, 5, 10, 20, 30, 40, 50m.\nThe horizontal correlation length: 80km.\nThe vertical correlation length (in meters):  twice the vertical resolution (10, 10, 20, 20, 20, 20, 20).\nThe error variance (epsilon2): 1 \nAn anamorphosis transformation was applied to the data: threshold value=200.\nBackground field: not used.\nQuality control of the observations was applied using the interpolated field: QCMETHOD=3 and visual inspection (Observations with residuals outside the minimum and maximum values of the 99% quantile were discarded from the analysis after thoroughly visual inspection).
attribute NC_GLOBAL time_coverage_end String 2018-10-16T00:00:00Z
attribute NC_GLOBAL time_coverage_start String 1992-01-16T00:00:00Z
attribute NC_GLOBAL title String Black Sea, DIVAnd 4D 6-year seasonal analysis of Water body chlorophyll-a 1990/2021 v2023 [time][depth][lat][lon], 0.05°, 1992-2018
attribute NC_GLOBAL WEB_visualisation String https://emodnet.ec.europa.eu/geoviewer/ (external link)
attribute NC_GLOBAL Westernmost_Easting double 26.5
dimension time double nValues=108, evenlySpaced=false, averageSpacing=91 days 7h 24m 7s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 6.9552E8, 1.539648E9
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 depth double nValues=7, evenlySpaced=false, averageSpacing=8.333333333333334
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range double 0.0, 50.0
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
dimension latitude double nValues=161, evenlySpaced=true, averageSpacing=0.05
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double 40.0, 48.0
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=311, evenlySpaced=true, averageSpacing=0.05
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double 26.5, 42.0
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_chlorophyll_a_L1 float time, depth, latitude, longitude
attribute Water_body_chlorophyll_a_L1 _FillValue float 9.96921E36
attribute Water_body_chlorophyll_a_L1 colorBarMaximum double 50.0
attribute Water_body_chlorophyll_a_L1 colorBarMinimum double 0.0
attribute Water_body_chlorophyll_a_L1 ioos_category String Statistics
attribute Water_body_chlorophyll_a_L1 long_name String Water body chlorophyll-a masked using relative error threshold 0.3
attribute Water_body_chlorophyll_a_L1 missing_value float 9.96921E36
attribute Water_body_chlorophyll_a_L1 standard_name String water_body_chlorophyll-a
attribute Water_body_chlorophyll_a_L1 units String mg/m^3
variable Water_body_chlorophyll_a_L2 float time, depth, latitude, longitude
attribute Water_body_chlorophyll_a_L2 _FillValue float 9.96921E36
attribute Water_body_chlorophyll_a_L2 colorBarMaximum double 50.0
attribute Water_body_chlorophyll_a_L2 colorBarMinimum double 0.0
attribute Water_body_chlorophyll_a_L2 ioos_category String Statistics
attribute Water_body_chlorophyll_a_L2 long_name String Water body chlorophyll-a masked using relative error threshold 0.5
attribute Water_body_chlorophyll_a_L2 missing_value float 9.96921E36
attribute Water_body_chlorophyll_a_L2 standard_name String water_body_chlorophyll-a
attribute Water_body_chlorophyll_a_L2 units String mg/m^3
variable Water_body_chlorophyll_a_relerr float time, depth, latitude, longitude
attribute Water_body_chlorophyll_a_relerr _FillValue float 9.96921E36
attribute Water_body_chlorophyll_a_relerr colorBarMaximum double 0.1
attribute Water_body_chlorophyll_a_relerr colorBarMinimum double 0.0
attribute Water_body_chlorophyll_a_relerr ioos_category String Statistics
attribute Water_body_chlorophyll_a_relerr long_name String Relative error of Water body chlorophyll-a
attribute Water_body_chlorophyll_a_relerr missing_value float 9.96921E36
attribute Water_body_chlorophyll_a_relerr units String 1
attribute Water_body_chlorophyll_a_relerr valid_max float 1.0
attribute Water_body_chlorophyll_a_relerr valid_min float 0.0

 
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