Water Transparency (Diffuse attenuation coefficient at 490nm, Kd490 in m^-1 at 4km resolution): The diffuse attenuation coefficient Kd490 measures the light penetration in the water column at the blue-green wavelengths (ca. 490 nm). It represents a good indicator of water transparency resulting from the combined action of absorption and backscattering by the water constituents, and the structure of the surrounding light field.
- EMIS - Download access (EMIS_S_K490) Provisional data
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- Geographical Coverage
- Western Sahara, Spain, Estonia, Ethiopia, Denmark, Algeria, Egypt, Eritrea, Finland, France, Kosovo, Austria, Bulgaria, Moldova, Monaco, Luxembourg, Lithuania, Morocco, Latvia, Lebanon, Jordan, Liechtenstein, Libya, Tunisia, Turkey, Slovakia, Slovenia, Serbia, South Sudan, Chad, Togo, Sweden, Syria, Andorra, Burkina Faso, Greece, Guinea-Bissau, Guernsey, Georgia, United Kingdom, Faroes, The Gambia, Guinea, Gibraltar, Ghana, North Macedonia, Mali, Malta, Montenegro, Mauritania, Niger, Nigeria, Netherlands, Norway, Poland, Albania, Benin, Vatican City, Ukraine, Central African Republic, Belarus, Côte d’Ivoire, Switzerland, Cape Verde, Cameroon, Czechia, Cyprus, Djibouti, Germany, Italy, Jersey, Iceland, Israel, Ireland, Iraq, Hungary, Isle of Man, Greenland, Croatia, Åland Islands, Belgium, Bosnia and Herzegovina, Sierra Leone, Senegal, Sudan, Saudi Arabia, Russia, Romania, Palestine, Portugal, Somalia, San Marino
European Commission, Joint Research Centre (JRC)