St. Helens - 632.8nm Measured scattering matrix elements as functions of scattering angle theta (in degrees), corresponding to curves presented in Munoz et al. JGR, 109, D16201, doi:10.1029/2004JD004684,2004, for Mount St. Helens Volcanic Ash at 632.8 nm. The experimental errors are also given. F11 is normalized to 1 at a scattering angle of 30 degrees. DATA ARE FREELY AVAILABLE UNDER THE REQUEST OF CITATION OF: Muñoz et al. JGR, 109, D16201, doi:10.1029/2004JD004684, 2004, AND Munoz et al. JQSRT, 113, 565-574, 2012. angle F11/F11(30deg) error -F12/F11 error F22/F11 error F33/F11 error F34/F11 error F44/F11 error 3 51.060 9.091 -0.001 0.001 0.967 0.003 0.958 0.002 -0.006 0.012 0.964 0.086 4 32.829 5.377 -0.002 0.001 0.963 0.002 0.957 0.006 -0.008 0.010 0.970 0.155 5 22.560 3.426 -0.002 0.002 0.959 0.004 0.950 0.008 -0.017 0.010 0.958 0.066 6 16.321 2.056 -0.001 0.001 0.955 0.004 0.949 0.016 -0.015 0.011 0.946 0.166 7 12.425 1.409 0.001 0.001 0.968 0.002 0.949 0.007 -0.011 0.010 0.943 0.213 8 9.675 0.908 0.002 0.003 0.965 0.004 0.946 0.003 -0.012 0.009 0.920 0.066 9 7.831 0.541 0.004 0.001 0.963 0.002 0.941 0.010 -0.011 0.009 0.915 0.373 10 6.555 0.450 0.003 0.002 0.958 0.003 0.935 0.007 -0.012 0.009 0.896 0.057 15 3.245 0.091 0.006 0.001 0.943 0.004 0.920 0.007 -0.016 0.009 0.831 0.042 20 1.987 0.017 0.008 0.003 0.928 0.004 0.890 0.006 -0.005 0.010 0.781 0.030 25 1.373 0.011 0.009 0.004 0.904 0.007 0.871 0.010 -0.003 0.010 0.770 0.079 30 1.000 0.000 0.012 0.003 0.891 0.010 0.845 0.016 0.009 0.016 0.720 0.097 35 0.757 0.007 0.016 0.005 0.872 0.011 0.815 0.012 0.028 0.014 0.688 0.053 40 0.590 0.008 0.025 0.005 0.842 0.011 0.769 0.007 0.021 0.011 0.636 0.060 45 0.477 0.007 0.032 0.005 0.818 0.007 0.732 0.009 0.038 0.009 0.610 0.054 50 0.395 0.004 0.043 0.003 0.784 0.004 0.685 0.012 0.056 0.012 0.567 0.050 55 0.331 0.006 0.055 0.003 0.748 0.005 0.639 0.002 0.078 0.013 0.534 0.052 60 0.284 0.006 0.068 0.007 0.711 0.011 0.581 0.015 0.083 0.012 0.476 0.096 65 0.249 0.006 0.078 0.005 0.675 0.008 0.538 0.011 0.103 0.007 0.442 0.022 70 0.222 0.004 0.089 0.006 0.643 0.009 0.469 0.004 0.116 0.010 0.435 0.017 75 0.200 0.006 0.100 0.004 0.598 0.011 0.426 0.018 0.128 0.009 0.397 0.079 80 0.183 0.005 0.111 0.005 0.564 0.010 0.363 0.007 0.133 0.005 0.366 0.039 85 0.168 0.005 0.118 0.005 0.528 0.011 0.277 0.037 0.129 0.008 0.338 0.086 90 0.156 0.004 0.120 0.006 0.491 0.011 0.250 0.010 0.139 0.012 0.305 0.067 95 0.145 0.005 0.129 0.006 0.457 0.008 0.177 0.012 0.141 0.006 0.279 0.033 100 0.136 0.005 0.124 0.009 0.420 0.010 0.137 0.025 0.156 0.010 0.238 0.052 105 0.130 0.004 0.126 0.006 0.401 0.007 0.057 0.016 0.136 0.013 0.192 0.026 110 0.122 0.004 0.125 0.013 0.380 0.014 0.002 0.013 0.121 0.013 0.176 0.029 115 0.118 0.004 0.115 0.010 0.356 0.011 -0.043 0.016 0.141 0.012 0.132 0.034 120 0.113 0.005 0.098 0.011 0.334 0.011 -0.095 0.027 0.119 0.015 0.112 0.034 125 0.110 0.003 0.090 0.010 0.322 0.013 -0.124 0.023 0.099 0.014 0.063 0.035 130 0.108 0.002 0.073 0.016 0.312 0.019 -0.176 0.019 0.070 0.017 0.012 0.038 135 0.107 0.002 0.063 0.007 0.318 0.008 -0.217 0.003 0.057 0.013 0.012 0.024 140 0.106 0.002 0.043 0.010 0.315 0.011 -0.221 0.019 0.067 0.011 -0.018 0.020 145 0.107 0.003 0.034 0.007 0.325 0.008 -0.282 0.022 0.043 0.013 -0.035 0.050 150 0.108 0.004 0.013 0.009 0.342 0.019 -0.306 0.020 0.037 0.022 -0.062 0.023 155 0.107 0.005 0.010 0.009 0.363 0.010 -0.353 0.008 0.025 0.019 -0.086 0.028 160 0.111 0.008 -0.006 0.008 0.392 0.012 -0.346 0.024 0.008 0.008 -0.103 0.040 165 0.114 0.009 -0.020 0.015 0.412 0.027 -0.364 0.022 0.001 0.006 -0.160 0.026 170 0.120 0.009 -0.018 0.010 0.412 0.012 -0.365 0.024 -0.014 0.042 -0.144 0.029 171 0.122 0.010 -0.023 0.011 0.418 0.014 -0.388 0.011 -0.005 0.014 -0.151 0.035 172 0.124 0.011 -0.019 0.010 0.423 0.013 -0.394 0.007 -0.029 0.013 -0.153 0.039 173 0.126 0.011 -0.017 0.008 0.425 0.012 -0.418 0.021 -0.016 0.031 -0.152 0.025