Water Transparency (Diffuse attenuation coefficient at 490nm, Kd490 in m^-1 at 2km 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_M_ANO_K490) Provisional data
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- Geographical Coverage
- North Macedonia, Mali, Malta, Montenegro, Mauritania, Niger, Nigeria, Netherlands, Norway, Poland, Western Sahara, Spain, Estonia, Ethiopia, Denmark, Algeria, Egypt, Eritrea, Finland, France, Kosovo, Albania, Austria, Benin, Bulgaria, Vatican City, Cape Verde, Cameroon, Central African Republic, Belarus, Côte d’Ivoire, Switzerland, Moldova, Monaco, Czechia, Cyprus, Djibouti, Lithuania, Morocco, Latvia, Lebanon, Jordan, Liechtenstein, Libya, Luxembourg, Germany, Ukraine, Tunisia, Turkey, Slovakia, Slovenia, Serbia, South Sudan, Chad, Togo, Sweden, Syria, Italy, Jersey, Iceland, Israel, Ireland, Iraq, Hungary, Isle of Man, Greenland, Croatia, Åland Islands, Andorra, Belgium, Burkina Faso, Bosnia and Herzegovina, Sierra Leone, Senegal, Sudan, Saudi Arabia, Russia, Romania, Palestine, Portugal, Somalia, San Marino, Greece, Guinea-Bissau, Guernsey, Georgia, United Kingdom, Faroes, The Gambia, Guinea, Gibraltar, Ghana
European Commission, Joint Research Centre (JRC)