Scientific Results, Volume 181 L.D. Millwood et al., Ms 181SR-208 Table ATD8. Carbonate model parameter estimates, Site 1124. Note: FD = first derivative of the spectral value, DF = degrees of freedom. Variable DF Paramater Estimate Standard Error t value Probability > |t| Intercept 1 -3.070736 0.36716485 -8.363 0.0001 FD1 1 -0.778838 0.74158287 -1.05 0.2952 FD2 1 0.351576 0.91793439 0.383 0.7022 FD3 1 1.359917 1.35766851 1.002 0.3181 FD4 1 -0.964937 1.78744175 -0.54 0.5901 FD5 1 4.362448 1.79543135 2.43 0.0163 FD6 1 3.264014 1.81658741 1.797 0.0743 FD7 1 3.189519 2.14711187 1.485 0.1394 FD8 1 -2.017352 2.26028484 -0.893 0.3735 FD9 1 -2.107639 2.53158599 -0.833 0.4064 FD10 1 -8.041198 2.60156451 -3.091 0.0024 FD11 1 -0.052052 2.38323222 -0.022 0.9826 FD12 1 1.536598 1.64428331 0.935 0.3515 FD13 1 3.534009 2.23453252 1.582 0.1158 FD14 1 -0.74144 1.98946557 -0.373 0.7099 FD15 1 4.030173 2.58674006 1.558 0.1213 FD16 1 -4.36457 1.99025894 -2.193 0.0298 FD17 1 -2.977724 1.81793244 -1.638 0.1035 FD18 1 0.829916 2.26907548 0.366 0.715 FD19 1 0.984388 2.31003007 0.426 0.6706 FD20 1 5.654193 2.64363589 2.139 0.034 FD21 1 5.377573 2.3121821 2.326 0.0213 FD22 1 3.341636 2.04371563 1.635 0.1041 FD23 1 0.209657 2.12629549 0.099 0.9216 FD24 1 -0.471768 1.84290502 -0.256 0.7983 FD25 1 -0.365236 1.94388952 -0.188 0.8512 FD26 1 -2.700741 1.59603491 -1.692 0.0926 FD27 1 -2.812718 1.6927878 -1.662 0.0986 FD28 1 -2.59178 1.4100281 -1.838 0.068 FD29 1 -4.158899 1.31412081 -3.165 0.0019 FD30 1 -1.470326 1.2570415 -1.17 0.2439