PAIR FILE: SM8890.DAT BOX FILE: SMD1.TRA MICRONS/PIXEL: 50.000 METERS/PIXEL: 50.160 GLACIER NAME: DOTSON ICE SHELF D1 BASE IMAGE SCENE ID: 41996-14580 BASE IMAGE DATE: JAN-02-1988 CO-REGISTERED IMAGE SCENE ID: 42748-15073 CO-REGISTERED IMAGE DATE: JAN-23-1990 STANDARD DEVIATION USED TO DISREGARD BAD DATA POINTS? Y NUMBER OF STANDARD DEVIATIONS USED: 2.00 NUMBER OF DAYS BETWEEN MEASUREMENTS: 753.00 MAP SCALE: 1:1003200 TOTAL NUMBER OF DATA POINTS PROCESSED: 36 REGRESSION FOR POINTS IN ALL PATHS: VELOCITY(km/yr) = -0.015 + -0.007*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr FOR POINTS IN ALL PATHS RELATIVE TO REGRESSION LINE: 0.0322 AVERAGE DISTANCE FOR ALL POINTS IN ALL PATHS IN km: -0.864 AVERAGE VELOCITY IN km/yr FOR ALL POINTS IN ALL PATHS: -0.419 PATH NUMBER 1 ------------- NUMBER OF DATA POINTS IN PATH: 21 No km to Dist in km/yr Original data points Base 2.1 yr Move 71 49.004 -0.811 -0.393 1200.00 1428.00 1212.00 1441.00 70 49.723 -0.811 -0.393 1190.00 1415.00 1202.00 1428.00 67 52.757 -0.789 -0.383 1126.00 1407.00 1141.00 1412.00 66 54.237 -0.743 -0.361 1095.00 1404.00 1109.00 1409.00 68 54.503 -1.064 -0.516 1064.00 1460.00 1085.00 1465.00 69 54.619 -1.313 -0.637 1031.00 1576.00 1057.00 1581.00 61 55.579 -0.855 -0.415 1077.00 1379.00 1093.00 1385.00 60 55.613 -0.830 -0.403 1096.00 1335.00 1111.00 1342.00 64 56.783 -0.738 -0.358 998.00 1539.00 1015.00 1545.00 59 56.789 -0.810 -0.393 1073.00 1329.00 1088.00 1335.00 63 56.897 -0.901 -0.437 1024.00 1433.00 1041.00 1439.00 62 56.949 -0.901 -0.437 1052.00 1368.00 1069.00 1374.00 65 57.839 -0.875 -0.424 958.00 1572.00 975.00 1577.00 57 59.003 -0.953 -0.462 1017.00 1346.00 1032.00 1359.00 58 59.325 -0.889 -0.431 1034.00 1293.00 1050.00 1300.00 56 59.332 -1.066 -0.517 959.00 1465.00 973.00 1480.00 51 59.701 -0.968 -0.470 1018.00 1311.00 1035.00 1319.00 52 59.876 -0.986 -0.478 1002.00 1339.00 1019.00 1347.00 55 60.291 -0.995 -0.483 929.00 1520.00 946.00 1531.00 53 60.391 -0.942 -0.457 956.00 1419.00 973.00 1427.00 54 61.770 -0.965 -0.468 909.00 1494.00 926.00 1503.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 2.1 yr Move 69 54.619 -1.313 -0.637 1031.00 1576.00 1057.00 1581.00 NUMBER OF BAD DATA POINTS: 1 STATISTICS FOR PATH 1 REGRESSION: VELOCITY(km/yr) = -0.763 + 0.006*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0575 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: 0.000 0.011 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): -.579 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): -0.895 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): -0.434 PATH NUMBER 2 ------------- NUMBER OF DATA POINTS IN PATH: 15 No km to Dist in km/yr Original data points Base 2.1 yr Move 41 45.137 -0.774 -0.375 1329.00 1293.00 1344.00 1297.00 40 45.816 -0.718 -0.348 1314.00 1323.00 1327.00 1329.00 39 46.329 -0.623 -0.302 1307.00 1284.00 1318.00 1290.00 38 46.733 -0.737 -0.358 1295.00 1321.00 1308.00 1328.00 35 47.419 -0.774 -0.375 1274.00 1336.00 1288.00 1342.00 37 47.492 -0.802 -0.389 1287.00 1272.00 1302.00 1277.00 36 48.119 -0.626 -0.304 1273.00 1303.00 1284.00 1309.00 34 49.422 -0.764 -0.371 1246.00 1300.00 1260.00 1306.00 33 50.162 -0.738 -0.358 1242.00 1272.00 1255.00 1279.00 47 55.239 -0.956 -0.464 1136.00 1264.00 1152.00 1275.00 49 55.500 -0.812 -0.394 1138.00 1211.00 1152.00 1222.00 48 56.038 -0.912 -0.443 1132.00 1234.00 1147.00 1245.00 45 56.280 -0.857 -0.416 1131.00 1187.00 1147.00 1193.00 46 57.114 -0.958 -0.465 1104.00 1244.00 1120.00 1255.00 50 59.931 -0.833 -0.404 1060.00 1203.00 1075.00 1212.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 2.1 yr Move 39 46.329 -0.623 -0.302 1307.00 1284.00 1318.00 1290.00 36 48.119 -0.626 -0.304 1273.00 1303.00 1284.00 1309.00 47 55.239 -0.956 -0.464 1136.00 1264.00 1152.00 1275.00 46 57.114 -0.958 -0.465 1104.00 1244.00 1120.00 1255.00 NUMBER OF BAD DATA POINTS: 4 STATISTICS FOR PATH 2 REGRESSION: VELOCITY(km/yr) = -0.274 + -0.002*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0297 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: -0.005 0.001 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): -.758 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): -0.793 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): -0.385