GEO 110 Lecture Notes - Lecture 15: Foraminifera, Water Vapor
Document Summary
Water vapor: 0-a few percent depending on humidity. One million molecules of air, 280 of them are co2. Fear is not only that co2 will affect atmosphere, but also that it will affect the ocean: not only the chemical affect but the biological affect, ocean acidi cation. Co2 dissolves into the ocean: 2. reacts with water to form bicarbonate ion and hydrogen ion, 3. Some of that h ion reacts with carbonate ion to form more bicarbonate. [h+] is the concentration of h in the water: 1 is acidic, 14 is basic. Surface ocean is at about an 8. 1. Ph goes down as h concentration goes up. Sea butter ies: small planktic molusses, foraminifera, corra, solubility. Calcium times the amount of carbonate: if amount of these two things put together is less than ksp, shells will dissolve. Deep ocean: takes about a thousand years for deep ocean to re ll, divergence.
