Table 1 Equations describing DMe/Me as a function of aragonite growth rate (R, μmol m−2 h−1) and pH (total scale) in precipitations conducted at 25 °C and as a function of log precipitation rate and temperature (T) in precipitations conducted over variable temperature
No. | Equation | r2 | p value | ||
DMe/Me as a function of log precipitation rate (R) and pH at 25 °C (n = 28) | rate | pH | intercept | ||
3 | DMg/Ca = 6.79 (±0.74) x 10−4 log R + 7.56 (±19.8) x 10−5 pH – 1.79 (±1.65) x 10−2 | 0.80 | 5.4 × 10−9 | 0.71 | 0.29 |
4 | DLi/Ca = 5.06 (±1.05) x 10−4 log R + 1.59 (±2.83) x 10-4 pH – 3.28 (±23.5) x 10−4 | 0.48 | 8.5 × 10−5 | 0.58 | 0.89 |
5 | DLi/Mg = −2.56 (±0.32) log R - 0.688 (±0.862) pH + 16.3 (±7.2) | 0.75 | 6.3 × 10−8 | 0.45 | 0.033 |
Log precipitation rate (R) as a function of ΩAr and T (n = 63) | ΩAr | T | Intercept | ||
6 | LogR = 8.77 (±0.50) X 10−2 ΩAr + 5.53 (±0.31) x 10−2 T + 0.781 (±0.093) | 0.91 | 2.6 × 10−25 | 1.0 × 10−25 | 1.2 × 10−11 |
DMe/Me as a function of log precipitation rate (R) and T (n = 63) | rate | T | intercept | ||
7 | DMg/Ca = 7.19 (±0.48) x 10−4 logR - 2.56(±0.38) x 10−5 T – 6.88 (±1.09) x 10−4 | 0.80 | 3.6 × 10−22 | 7.0 × 10−9 | 3.7× 10−8 |
8 | DLi/Ca = 5.44 (±0.65) x 10-4 logR - 8.92 (±0.52) x 10−5 T + 3.19 (±0.15) x 10−3 | 0.83 | 1.0 × 10−11 | 6.9 × 10−25 | 8.3 × 10−30 |
9 | DLi/Mg = −2.75 (±0.21) logR + 1.03 (±1.67) x 10−2 T + 11.4 (±0.5) | 0.82 | 2.7 × 10−19 | 0.62 | 3.2 × 10−32 |
DLi/Mg as a function of log precipitation rate (R) (n = 63) | rate | intercept | |||
10 | DLi/Mg = −2.66 (±0.15) logR + 11.4 (±0.5) | 0.83 | 4.2 × 10−25 | 9.2 × 10−33 |