PAIR FILE: NEW8490.DAT BOX FILE: TH8490B.TRA MICRONS/PIXEL: 50.000 METERS/PIXEL: 57.000 GLACIER NAME: THWAITES B BASE IMAGE SCENE ID: 50276-14521 BASE IMAGE DATE: DEC-02-1984 CO-REGISTERED IMAGE SCENE ID: 42734-14552 CO-REGISTERED IMAGE DATE: JAN-09-1990 STANDARD DEVIATION USED TO DISREGARD BAD DATA POINTS? Y NUMBER OF STANDARD DEVIATIONS USED: 2.00 NUMBER OF DAYS BETWEEN MEASUREMENTS: 1864.00 MAP SCALE: 1:1140000 TOTAL NUMBER OF DATA POINTS PROCESSED: 98 REGRESSION FOR POINTS IN ALL PATHS: VELOCITY(km/yr) = -0.670 + -0.037*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr FOR POINTS IN ALL PATHS RELATIVE TO REGRESSION LINE: 0.0699 AVERAGE DISTANCE FOR ALL POINTS IN ALL PATHS IN km: -6.809 AVERAGE VELOCITY IN km/yr FOR ALL POINTS IN ALL PATHS: -1.334 PATH NUMBER 1 ------------- NUMBER OF DATA POINTS IN PATH: 63 No km to Dist in km/yr Original data points Base 5.1 yr Move 97 11.806 -6.464 -1.267 2905.00 2534.00 3003.00 2595.00 96 11.819 -6.654 -1.304 2888.00 2564.00 2989.00 2625.00 98 12.912 -6.620 -1.297 2885.00 2530.00 2986.00 2591.00 99 12.943 -6.850 -1.342 2871.00 2554.00 2976.00 2615.00 100 13.491 -6.844 -1.341 2865.00 2545.00 2970.00 2606.00 191 17.033 -7.259 -1.422 2834.00 2447.00 2944.00 2513.00 94 17.058 -7.258 -1.422 2832.00 2450.00 2942.00 2516.00 95 17.237 -7.215 -1.414 2841.00 2425.00 2950.00 2491.00 190 17.568 -7.362 -1.443 2826.00 2442.00 2938.00 2508.00 185 17.799 -7.403 -1.451 2846.00 2393.00 2958.00 2460.00 91 17.926 -7.404 -1.451 2845.00 2390.00 2957.00 2457.00 192 17.952 -7.353 -1.441 2844.00 2391.00 2956.00 2456.00 93 18.002 -7.285 -1.428 2817.00 2439.00 2929.00 2506.00 365 18.002 -7.353 -1.441 2844.00 2389.00 2956.00 2454.00 193 18.374 -7.218 -1.414 2842.00 2375.00 2953.00 2440.00 364 18.387 -7.072 -1.386 2830.00 2395.00 2941.00 2458.00 184 18.426 -7.243 -1.419 2838.00 2380.00 2949.00 2447.00 89 18.514 -7.199 -1.411 2828.00 2394.00 2940.00 2460.00 90 18.545 -7.259 -1.422 2835.00 2381.00 2947.00 2447.00 183 18.552 -7.237 -1.418 2829.00 2391.00 2941.00 2458.00 363 18.562 -7.039 -1.379 2820.00 2406.00 2931.00 2470.00 92 18.612 -7.790 -1.526 2816.00 2462.00 2928.00 2529.00 189 18.612 -7.762 -1.521 2816.00 2462.00 2928.00 2528.00 217 18.899 -7.260 -1.423 2836.00 2367.00 2946.00 2435.00 362 19.138 -7.151 -1.401 2803.00 2415.00 2916.00 2482.00 188 19.234 -7.916 -1.551 2782.00 2495.00 2900.00 2561.00 179 19.471 -7.152 -1.401 2798.00 2412.00 2910.00 2481.00 85 19.569 -7.148 -1.401 2796.00 2412.00 2909.00 2479.00 216 19.790 -7.360 -1.442 2822.00 2360.00 2934.00 2428.00 88 19.898 -7.260 -1.423 2811.00 2375.00 2923.00 2442.00 187 19.916 -7.981 -1.564 2764.00 2501.00 2884.00 2567.00 366 19.935 -7.196 -1.410 2812.00 2372.00 2923.00 2438.00 182 20.005 -7.239 -1.418 2810.00 2373.00 2921.00 2441.00 178 20.159 -7.176 -1.406 2784.00 2412.00 2897.00 2481.00 84 20.237 -7.155 -1.402 2783.00 2411.00 2896.00 2478.00 361 20.323 -7.242 -1.419 2783.00 2408.00 2896.00 2478.00 86 20.461 -7.175 -1.406 2789.00 2393.00 2901.00 2460.00 175 20.550 -7.189 -1.409 2769.00 2424.00 2882.00 2495.00 367 20.634 -7.322 -1.435 2806.00 2358.00 2918.00 2425.00 215 20.683 -7.294 -1.429 2805.00 2358.00 2916.00 2426.00 360 21.054 -7.463 -1.462 2770.00 2414.00 2883.00 2484.00 186 21.107 -7.787 -1.526 2750.00 2478.00 2869.00 2544.00 368 21.162 -7.442 -1.458 2783.00 2385.00 2897.00 2451.00 87 21.173 -7.376 -1.445 2788.00 2375.00 2900.00 2442.00 83 21.184 -7.440 -1.458 2769.00 2411.00 2882.00 2480.00 180 21.223 -7.402 -1.450 2787.00 2375.00 2899.00 2443.00 214 21.425 -7.425 -1.455 2795.00 2352.00 2907.00 2420.00 181 21.452 -7.425 -1.455 2795.00 2351.00 2907.00 2419.00 176 21.573 -7.573 -1.484 2766.00 2402.00 2881.00 2472.00 213 21.636 -7.432 -1.456 2783.00 2367.00 2895.00 2436.00 369 21.660 -7.405 -1.451 2782.00 2368.00 2895.00 2434.00 177 21.946 -7.462 -1.462 2768.00 2384.00 2881.00 2453.00 80 22.047 -7.564 -1.482 2754.00 2407.00 2869.00 2477.00 172 22.063 -7.580 -1.485 2749.00 2416.00 2864.00 2487.00 174 22.102 -7.593 -1.488 2755.00 2403.00 2870.00 2474.00 81 22.190 -7.503 -1.470 2747.00 2415.00 2861.00 2485.00 359 22.320 -7.505 -1.471 2746.00 2412.00 2860.00 2482.00 370 22.423 -7.352 -1.441 2769.00 2364.00 2881.00 2430.00 211 22.548 -7.477 -1.465 2766.00 2365.00 2879.00 2434.00 212 22.759 -7.484 -1.467 2766.00 2357.00 2879.00 2426.00 173 23.130 -7.551 -1.480 2743.00 2387.00 2857.00 2458.00 82 23.716 -7.636 -1.496 2728.00 2424.00 2842.00 2493.00 171 23.871 -7.658 -1.501 2726.00 2422.00 2841.00 2490.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 5.1 yr Move 97 11.806 -6.464 -1.267 2905.00 2534.00 3003.00 2595.00 92 18.612 -7.790 -1.526 2816.00 2462.00 2928.00 2529.00 189 18.612 -7.762 -1.521 2816.00 2462.00 2928.00 2528.00 188 19.234 -7.916 -1.551 2782.00 2495.00 2900.00 2561.00 187 19.916 -7.981 -1.564 2764.00 2501.00 2884.00 2567.00 186 21.107 -7.787 -1.526 2750.00 2478.00 2869.00 2544.00 NUMBER OF BAD DATA POINTS: 6 STATISTICS FOR PATH 1 REGRESSION: VELOCITY(km/yr) = -1.168 + -0.013*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0249 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: -0.016 -0.011 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): -.855 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): -7.302 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): -1.431 PATH NUMBER 2 ------------- NUMBER OF DATA POINTS IN PATH: 35 No km to Dist in km/yr Original data points Base 5.1 yr Move 209 10.627 -5.524 -1.082 3034.00 2287.00 3113.00 2339.00 208 11.244 -5.534 -1.084 3023.00 2285.00 3102.00 2337.00 372 11.544 -6.013 -1.178 3003.00 2316.00 3089.00 2368.00 207 11.700 -5.456 -1.069 3011.00 2292.00 3092.00 2345.00 110 11.894 -5.488 -1.075 3010.00 2286.00 3093.00 2336.00 108 12.447 -5.870 -1.150 2992.00 2302.00 3081.00 2355.00 109 12.567 -5.706 -1.118 2994.00 2290.00 3081.00 2343.00 373 12.567 -5.784 -1.133 2988.00 2302.00 3077.00 2355.00 206 12.567 -5.579 -1.093 2993.00 2290.00 3079.00 2342.00 111 13.134 -5.336 -1.046 2988.00 2270.00 3073.00 2321.00 374 13.269 -5.395 -1.057 2974.00 2289.00 3061.00 2344.00 210 13.774 -5.707 -1.118 2962.00 2319.00 3047.00 2372.00 101 14.050 -5.444 -1.067 2964.00 2279.00 3051.00 2335.00 376 14.054 -5.910 -1.158 2956.00 2320.00 3045.00 2373.00 204 14.128 -5.447 -1.067 2963.00 2278.00 3050.00 2334.00 107 14.309 -6.064 -1.188 2953.00 2316.00 3044.00 2371.00 371 14.614 -5.413 -1.061 2959.00 2268.00 3045.00 2323.00 102 14.800 -5.475 -1.073 2957.00 2265.00 3044.00 2320.00 205 14.800 -5.475 -1.073 2957.00 2265.00 3044.00 2320.00 105 15.052 -5.501 -1.078 2940.00 2285.00 3030.00 2341.00 375 15.323 -5.430 -1.064 2941.00 2274.00 3028.00 2331.00 203 15.405 -6.165 -1.208 2935.00 2309.00 3027.00 2366.00 106 15.992 -6.039 -1.183 2928.00 2300.00 3018.00 2356.00 377 15.992 -6.013 -1.178 2928.00 2300.00 3017.00 2357.00 103 16.372 -5.552 -1.088 2935.00 2248.00 3022.00 2305.00 201 16.480 -5.484 -1.075 2934.00 2246.00 3020.00 2302.00 202 16.525 -5.411 -1.060 2923.00 2263.00 3009.00 2321.00 104 17.573 -5.895 -1.155 2918.00 2248.00 3005.00 2306.00 198 17.715 -5.989 -1.174 2906.00 2268.00 2994.00 2328.00 200 17.722 -5.819 -1.140 2923.00 2231.00 3008.00 2290.00 199 18.341 -5.919 -1.160 2905.00 2244.00 2992.00 2303.00 196 20.786 -7.369 -1.444 2851.00 2276.00 2957.00 2343.00 195 21.200 -7.440 -1.458 2859.00 2224.00 2964.00 2289.00 194 21.394 -7.524 -1.474 2852.00 2231.00 2957.00 2297.00 197 21.616 -7.180 -1.407 2834.00 2270.00 2940.00 2337.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 5.1 yr Move 196 20.786 -7.369 -1.444 2851.00 2276.00 2957.00 2343.00 195 21.200 -7.440 -1.458 2859.00 2224.00 2964.00 2289.00 194 21.394 -7.524 -1.474 2852.00 2231.00 2957.00 2297.00 197 21.616 -7.180 -1.407 2834.00 2270.00 2940.00 2337.00 NUMBER OF BAD DATA POINTS: 4 STATISTICS FOR PATH 2 REGRESSION: VELOCITY(km/yr) = -0.958 + -0.011*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0644 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: -0.020 -0.003 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): -.282 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): -5.672 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): -1.111