Ocean surface pH,1861

Numéro d’image : 11727739
Ocean surface pH,1861
Map showing the surface pH of the world's oceans in 1861. pH is the measure of the amount of hydrogen ions in a solution,and is used to measure its alkalinity or acidity. The oceans are slightly alkaline,with an average pH of around 8.1 (7 is neutral). More than a quarter of the carbon dioxide released into the atmosphere is absorbed by the oceans,causing them to become more acidic. Data based on a computer model that makes predictions of pH change based on estimates of carbon dioxide emissions
Licence : Droits gérés
Crédit: Science Photo Library / NOAA
Taille de l’image : 4191 px × 2095 px
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Property Release : Non requis
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