Scientific Results, Volume 181 L.D. Millwood et al., Ms 181SR-208 Table ATD9. Carbonate model parameter estimates, Site 1125. NNote: FD = first derivative of the spectral value, DF = degrees of freedom. Variable DF Parameter estimate Standard error t Value Probability > |t| Intercept 1 -0.533222 0.34716475 -1.536 0.1454 FD1 1 -0.008915 0.53909035 -0.017 0.987 FD2 1 -0.95887 0.68953505 -1.391 0.1846 FD3 1 -0.497242 0.87731722 -0.567 0.5792 FD4 1 -0.02663 1.14091026 -0.023 0.9817 FD5 1 0.970385 1.04939154 0.925 0.3698 FD6 1 -0.138252 1.05208208 -0.131 0.8972 FD7 1 2.96633 1.39258388 2.13 0.0501 FD8 1 -3.003108 1.63565197 -1.836 0.0863 FD9 1 1.138776 1.57997197 0.721 0.4821 FD10 1 -1.068847 1.72886105 -0.618 0.5457 FD11 1 1.179204 1.78867083 0.659 0.5197 FD12 1 -0.667715 1.58137318 -0.422 0.6788 FD13 1 -0.437562 1.18243757 -0.37 0.7165 FD14 1 0.472936 1.78633436 0.265 0.7948 FD15 1 -0.976412 1.78999581 -0.545 0.5934 FD16 1 -0.225967 2.09762238 -0.108 0.9156 FD17 1 -1.148753 1.65150713 -0.696 0.4973 FD18 1 -2.481787 1.51318137 -1.64 0.1218 FD19 1 0.355226 1.88324854 0.189 0.8529 FD20 1 0.004327 2.17949542 0.002 0.9984 FD21 1 0.542901 2.02117108 0.269 0.7919 FD22 1 -0.564499 1.4515264 -0.389 0.7028 FD23 1 -2.320998 1.23461516 -1.88 0.0797 FD24 1 -0.747813 1.08050416 -0.692 0.4995 FD25 1 1.300399 0.84504229 1.539 0.1447 FD26 1 0.065563 0.88835153 0.074 0.9421 FD27 1 1.176387 1.10359386 1.066 0.3033 FD28 1 0.508425 0.95661447 0.531 0.6029 FD29 1 0.236891 0.97661569 0.243 0.8116 FD30 1 1.165451 1.21492436 0.959 0.3526