Dataset: cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D#

Dataset identifier: cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D
Data store: cmems

How to open this dataset in AVL JupyterLab  

cmems_store = new_data_store('cmems')
ds = cmems_store.open_data('cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D')

Bounding box map#

Bounding box map
Map tiles and data from OpenStreetMap, under the ODbL.

Basic information#

Parameter Value
Bounding box longitude (°) -46 to 13
Bounding box latitude (°) 20 to 66
Time range 2023-04-08 to 2023-04-14
Time period 1D
Publisher CMEMS

Click here for full dataset metadata.

Variable list#

Click on a variable name to jump to the variable’s full metadata.

Variable Long name Units
CHL Chlorophyll-a concentration - Mean of the binned pixels milligram m-3
CHL_uncertainty Chlorophyll-a concentration - Uncertainty estimation %
flags Flags [none]

Full variable metadata#

CHL#

Field Value
input_files_reprocessings Processors versions: MODIS R2022.0NRT/VIIRSN R2022.0NRT/OLCIA 07.02NR/VIIRSJ1 R2022.0NRT/OLCIB 07.02NR
type surface
ancillary_variables flags CHL_uncertainty
standard_name mass_concentration_of_chlorophyll_a_in_sea_water
long_name Chlorophyll-a concentration - Mean of the binned pixels
valid_min 0.0
units milligram m-3
coverage_content_type modelResult
valid_max 1000.0

CHL_uncertainty#

Field Value
long_name Chlorophyll-a concentration - Uncertainty estimation
valid_min 0
units %
coverage_content_type qualityInformation
valid_max 32767

flags#

Field Value
standard_name status_flag
coverage_content_type auxiliaryInformation
long_name Flags
flag_meanings LAND INTERPOLATED
flag_masks 1, 2
valid_min 0
valid_max 3

Full dataset metadata#

Field Value
lon_step 0.010416667
keywords EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL
cmems_product_id OCEANCOLOUR_ATL_BGC_L4_NRT_009_116
lat_step 0.010416667
grid_mapping Equirectangular
title cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D
period_end_day 20230414
duration_time PT44365S
standard_name_vocabulary NetCDF Climate and Forecast (CF) Metadata Convention
nb_equ_bins 5664
geospatial_bounds POLYGON ((66.000000 -46.000000, 66.000000 13.000000, 20.000000 13.000000, 20.000000 -46.000000, 66.000000 -46.000000))
overall_quality mode=nrt
DPM_reference GC-UD-ACRI-PUG
stop_date 2023-04-14 UTC
time_coverage_start 2023-04-14T05:02:21Z
grid_resolution 1.1595781
sensor_name MODISA,VIIRSN,OLCIa,VIIRSJ1,OLCIb
summary CMEMS product: cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D, generated by ACRI-ST
westernmost_valid_longitude -46.0
source surface observation
pct_bins 100.0
distribution_statement See CMEMS Data License
geospatial_bounds_crs EPSG:4326
parameter_code CHL
creation_time 11:09:18 UTC
software_name globcolour_l3_reproject
creation_date 2023-04-15 UTC
Conventions CF-1.8, ACDD-1.3
sensor Moderate Resolution Imaging Spectroradiometer,Visible Infrared Imaging Radiometer Suite,Ocean and Land Colour Instrument
time_coverage_duration PT44365S
keywords_vocabulary NASA Global Change Master Directory (GCMD) Science Keywords
southernmost_valid_latitude 19.999998
license See CMEMS Data License
comment average
time_coverage_resolution P1D
geospatial_vertical_max 0
references http://www.globcolour.info GlobColour has been originally funded by ESA with data from ESA, NASA, NOAA and GeoEye. This version has received funding from the European Community s Seventh Framework Programme ([FP7/2007-2013]) under grant agreement n. 282723 [OSS2015 project].
registration 5
nb_grid_bins 25012224
geospatial_lat_max 65.99479
publication Gohin, F., Druon, J. N., Lampert, L. (2002). A five channel chlorophyll concentration algorithm applied to SeaWiFS data processed by SeaDAS in coastal waters. International journal of remote sensing, 23(8), 1639-1661 + Hu, C., Lee, Z., Franz, B. (2012). Chlorophyll a algorithms for oligotrophic oceans: A novel approach based on three-band reflectance difference. Journal of Geophysical Research, 117(C1). doi: 10.1029/2011jc007395
platform Aqua,Suomi-NPP,Sentinel-3a,JPSS-1 (NOAA-20),Sentinel-3b
northernmost_valid_latitude 66.0
northernmost_latitude 66.0
IODD_reference GC-UD-ACRI-PUG
start_date 2023-04-14 UTC
processing_level L4
product_level 4
citation The Licensees will ensure that original CMEMS products - or value added products or derivative works developed from CMEMS Products including publications and pictures - shall credit CMEMS by explicitly making mention of the originator (CMEMS) in the following manner: <Generated using CMEMS Products, production centre ACRI-ST>
software_version 2022.2
creator_email servicedesk.cmems@acri-st.fr
nb_bins 25012224
easternmost_valid_longitude 13.000002
geospatial_lat_min 20.005207
institution ACRI
geospatial_lon_max 12.994794
geospatial_lon_min -45.994793
acknowledgement The Licensees will ensure that original CMEMS products - or value added products or derivative works developed from CMEMS Products including publications and pictures - shall credit CMEMS by explicitly making mention of the originator (CMEMS) in the following manner: <Generated using CMEMS Products, production centre ACRI-ST>
project CMEMS
file_quality_index 0
southernmost_latitude 20.0
period_duration_day P1D
history Created using software developed at ACRI-ST
site_name ATL
geospatial_bounds_vertical_crs EPSG:5829
easternmost_longitude 13.0
publisher_name CMEMS
id 20230414_cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D
naming_authority CMEMS
earth_radius 6378.137
netcdf_version_id 4.3.3.1 of Jul 8 2016 18:15:50 $
stop_time 17:21:45 UTC
publisher_url http://marine.copernicus.eu
parameter Chlorophyll-a concentration
start_time 05:02:21 UTC
cmems_production_unit OC-ACRI-NICE-FR
period_start_day 20230414
publisher_email servicedesk.cmems@mercator-ocean.eu
geospatial_vertical_min 0
creator_url http://marine.copernicus.eu
sensor_name_list MOD,VIR,OLA,VJ1,OLB
product_type day
creator_name ACRI
time_coverage_end 2023-04-14T17:21:45Z
product_name 20230414_cmems_obs-oc_atl_bgc-plankton_nrt_l4-gapfree-multi-1km_P1D
contact servicedesk.cmems@acri-st.fr
westernmost_longitude -46.0
geospatial_vertical_positive up
date_created 2023-04-15T11:09:18Z
nb_valid_bins 18131342
pct_valid_bins 72.48992332708998