PAIR FILE: SM8890.DAT BOX FILE: SMD2.TRA MICRONS/PIXEL: 50.000 METERS/PIXEL: 50.160 GLACIER NAME: DOTSON ICE SHELF D2 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: 30 REGRESSION FOR POINTS IN ALL PATHS: VELOCITY(km/yr) = -0.176 + -0.003*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr FOR POINTS IN ALL PATHS RELATIVE TO REGRESSION LINE: 0.0283 AVERAGE DISTANCE FOR ALL POINTS IN ALL PATHS IN km: -0.461 AVERAGE VELOCITY IN km/yr FOR ALL POINTS IN ALL PATHS: -0.224 PATH NUMBER 1 ------------- NUMBER OF DATA POINTS IN PATH: 25 No km to Dist in km/yr Original data points Base 2.1 yr Move 27 2.923 -0.448 -0.217 1448.00 1166.00 1457.00 1168.00 26 3.389 -0.380 -0.184 1428.00 1171.00 1436.00 1171.00 28 4.947 -0.312 -0.151 1450.00 1101.00 1457.00 1104.00 24 5.378 -0.421 -0.204 1395.00 1141.00 1402.00 1147.00 25 5.725 -0.361 -0.175 1425.00 1130.00 1431.00 1135.00 23 6.988 -0.408 -0.198 1354.00 1163.00 1361.00 1169.00 22 8.262 -0.486 -0.236 1332.00 1148.00 1340.00 1155.00 21 9.397 -0.481 -0.233 1316.00 1128.00 1322.00 1136.00 20 10.682 -0.317 -0.154 1293.00 1116.00 1299.00 1118.00 18 12.338 -0.534 -0.259 1267.00 1097.00 1278.00 1098.00 15 13.441 -0.487 -0.236 1242.00 1101.00 1252.00 1102.00 12 15.008 -0.523 -0.254 1214.00 1080.00 1224.00 1083.00 19 15.040 -0.446 -0.216 1264.00 1021.00 1273.00 1022.00 16 15.060 -0.446 -0.216 1247.00 1075.00 1256.00 1076.00 17 16.017 -0.479 -0.233 1243.00 1023.00 1253.00 1023.00 9 16.086 -0.428 -0.208 1191.00 1081.00 1199.00 1084.00 13 16.728 -0.536 -0.260 1218.00 1057.00 1228.00 1060.00 14 17.508 -0.557 -0.270 1209.00 1033.00 1220.00 1035.00 10 17.635 -0.476 -0.231 1200.00 1054.00 1209.00 1057.00 6 17.901 -0.634 -0.308 1154.00 1078.00 1167.00 1079.00 11 18.036 -0.461 -0.224 1198.00 1033.00 1207.00 1035.00 7 19.231 -0.478 -0.232 1170.00 1041.00 1180.00 1041.00 5 20.831 -0.596 -0.289 1102.00 1053.00 1115.00 1052.00 4 22.374 -0.610 -0.296 1111.00 1022.00 1124.00 1021.00 3 22.631 -0.543 -0.263 1115.00 991.00 1126.00 992.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 2.1 yr Move 28 4.947 -0.312 -0.151 1450.00 1101.00 1457.00 1104.00 20 10.682 -0.317 -0.154 1293.00 1116.00 1299.00 1118.00 6 17.901 -0.634 -0.308 1154.00 1078.00 1167.00 1079.00 NUMBER OF BAD DATA POINTS: 3 STATISTICS FOR PATH 1 REGRESSION: VELOCITY(km/yr) = -0.186 + -0.003*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0238 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: -0.005 -0.002 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): -.724 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): -0.481 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): -0.233 PATH NUMBER 2 ------------- NUMBER OF DATA POINTS IN PATH: 5 No km to Dist in km/yr Original data points Base 2.1 yr Move 30 13.593 -0.362 -0.175 1318.00 910.00 1326.00 908.00 29 14.666 -0.365 -0.177 1298.00 902.00 1305.00 904.00 8 21.466 -0.413 -0.200 1145.00 972.00 1153.00 974.00 2 22.639 -0.447 -0.217 1123.00 964.00 1132.00 965.00 1 24.932 -0.399 -0.194 1093.00 904.00 1101.00 905.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 2.1 yr Move NUMBER OF BAD DATA POINTS: 0 STATISTICS FOR PATH 2 REGRESSION: VELOCITY(km/yr) = -0.196 + 0.000*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0133 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: -0.004 0.004 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): -.789 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): -0.397 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): -0.193