Global Ocean Colour: Bio-Geo-Chemical, L4, from Satellite Observations, Optics, Multi-Sensor 4KM

COPERNICUS/MARINE/OC_GLO_BGC/OPTICS_MULTI_4KM
Dataset Availability
2023-04-01T00:00:00Z–2025-08-01T00:00:00Z
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("COPERNICUS/MARINE/OC_GLO_BGC/OPTICS_MULTI_4KM")
Cadence
1 Month
Tags
copernicus marine oceans

Description

The Global Ocean Colour (Copernicus-GlobColour) dataset is a Bio-Geo-Chemical (BGC) product developed by ACRI-ST. Derived from multiple satellite sources like SeaWiFS, MODIS, and OLCI. It provides a comprehensive range of oceanographic variables, including: Chlorophyll (CHL), Phytoplankton Functional types and sizes (PFT), Primary Production (PP), Suspended Matter (SPM), Secchi Transparency Depth (ZSD), Diffuse Attenuation (KD490), Particulate Backscattering (BBP), Absorption Coefficient (CDM), Reflectance (RRS) and more.

Optics multi-sensor, 4km, monthly dataset provides Level 4 Bio-Geo-Chemical (BGC) data. Derived from multiple satellite observations, this product has a global spatial resolution of 4 km and a temporal resolution of one month.

Documentation:

Bands

Pixel Size
4000 meters

Bands

Name Units Pixel Size Description
BBP 1/m meters

Particulate Backscattering
BBP_uncertainty % meters

Particulate Backscattering - The uncertainty as measured in hundredths of a percent (e.g., a value of 5000 means 50%).
CDM 1/m meters

Absorption coefficient
CDM_uncertainty % meters

Absorption coefficient - The uncertainty as measured in hundredths of a percent (e.g., a value of 5000 means 50%).
flags meters

Land water mask bit.

  • 0: Water
  • 1: Land

Terms of Use

Terms of Use

This dataset is released for use under Service Level Agreement (SLA), using the acronym "CMEMS" or the shortened name "Copernicus Marine Service" both denote the E.U. Copernicus Marine Environment Monitoring Service. Highlights and key features of the licence are provided in this document License

Citations

Citations:

  • Copernicus Global Ocean Colour: Global Ocean Satellite Observations, ACRI-ST company (Sophia Antipolis, France) is providing Bio-Geo-Chemical (BGC) products based on the Copernicus-GlobColour processor. doi:10.48670/moi-00279

Explore with Earth Engine

Code Editor (JavaScript)

var dataset =
    ee.ImageCollection('COPERNICUS/MARINE/OC_GLO_BGC/OPTICS_MULTI_4KM')
        .filter(ee.Filter.date('2025-03-01', '2025-06-01'));
var CDM = dataset.select('CDM');
var CDMVis = {
  min: 0.003,
  max: 0.109,
  palette:
      ['D7F9D0', '91CA85', '5AB05D', '129450', '0F7347', '195437', '122414'],
};
Map.setCenter(71, 52, 2);
Map.addLayer(CDM, CDMVis, 'CDM');
Open in Code Editor
The Global Ocean Colour (Copernicus-GlobColour) dataset is a Bio-Geo-Chemical (BGC) product developed by ACRI-ST. Derived from multiple satellite sources like SeaWiFS, MODIS, and OLCI. It provides a comprehensive range of oceanographic variables, including: Chlorophyll (CHL), Phytoplankton Functional types and sizes (PFT), Primary Production (PP), Suspended Matter (SPM), Secchi Transparency Depth …
COPERNICUS/MARINE/OC_GLO_BGC/OPTICS_MULTI_4KM, copernicus,marine,oceans
2023-04-01T00:00:00Z/2025-08-01T00:00:00Z
-90 -180 90 180
Google Earth Engine