Sentences with phrase «ion concentrations drop»

Holds that for most open - ocean surface waters, aragonite undersaturation occurs when carbonate ion concentrations drop below approximately 66 µmol kg - 1

Finds that for calcite, undersaturation occurs when carbonate ion concentration drops below 42 µmol kg - 1

Not exact matches

Once a critical point is reached, nucleation occurs and the amount of free calcium ions drops to a value that corresponds to the particular solubility concentration of the precipitated phase according to a typical LaMer diagram (25).

From preindustrial levels, contemporary surface ocean pH is estimated to have dropped on average from 8.2 to 8.1, or by about 0.1 pH units (a 26 % increase in hydrogen ion concentration), and further decreases of 0.22 to 0.35 pH units are projected over this century unless carbon dioxide emissions are significantly reduced (Orr et al., 2005; Bopp et al., 2013).

From preindustrial levels, contemporary surface ocean pH is estimated to have dropped on average from 8.2 to 8.1, or by about 0.1 pH units (a 26 % increase in hydrogen ion concentration), and further decreases of 0.22 to 0.35 pH units are projected over this century unless carbon dioxide emissions are significantly reduced.

Likewise when ocean concentrations of H + ions increase, they more readily bond to the bicarbonate and carbonate ions to minimize the drop in pH and form more CO2, which can be quickly utilized during photosynthesis.