PAIR FILE: 14554.FILE 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: 1160-14554 CO-REGISTERED IMAGE DATE: DEC-30-1972 STANDARD DEVIATION USED TO DISREGARD BAD DATA POINTS? Y NUMBER OF STANDARD DEVIATIONS USED: 2.00 NUMBER OF DAYS BETWEEN MEASUREMENTS: 5482.00 MAP SCALE: 1:1003200 TOTAL NUMBER OF DATA POINTS PROCESSED: 34 REGRESSION FOR POINTS IN ALL PATHS: VELOCITY(km/yr) = 0.018 + 0.007*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr FOR POINTS IN ALL PATHS RELATIVE TO REGRESSION LINE: 0.0198 AVERAGE DISTANCE FOR ALL POINTS IN ALL PATHS IN km: 5.243 AVERAGE VELOCITY IN km/yr FOR ALL POINTS IN ALL PATHS: 0.349 PATH NUMBER 1 ------------- NUMBER OF DATA POINTS IN PATH: 11 No km to Dist in km/yr Original data points Base 15.0 yr Move 34 52.874 6.216 0.414 1114.00 1428.00 1003.00 1373.00 32 52.890 6.047 0.403 1124.00 1405.00 1018.00 1347.00 33 52.971 5.998 0.400 1142.00 1361.00 1037.00 1303.00 25 55.094 6.286 0.419 1106.00 1338.00 995.00 1280.00 26 55.123 6.531 0.435 1065.00 1428.00 949.00 1372.00 24 55.156 6.406 0.427 1084.00 1384.00 971.00 1326.00 27 56.818 6.931 0.462 1045.00 1390.00 926.00 1327.00 29 56.885 7.098 0.473 1009.00 1467.00 890.00 1404.00 28 56.894 7.001 0.466 1029.00 1422.00 910.00 1359.00 30 58.241 6.554 0.437 979.00 1512.00 863.00 1449.00 31 58.467 6.542 0.436 958.00 1544.00 842.00 1482.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 15.0 yr Move 30 58.241 6.554 0.437 979.00 1512.00 863.00 1449.00 31 58.467 6.542 0.436 958.00 1544.00 842.00 1482.00 NUMBER OF BAD DATA POINTS: 2 STATISTICS FOR PATH 1 REGRESSION: VELOCITY(km/yr) = -0.462 + 0.016*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0145 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: 0.012 0.021 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): 0.945 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): 6.501 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): 0.433 PATH NUMBER 2 ------------- NUMBER OF DATA POINTS IN PATH: 23 No km to Dist in km/yr Original data points Base 15.0 yr Move 15 23.185 3.915 0.261 1736.00 1459.00 1662.00 1438.00 13 24.698 3.912 0.261 1709.00 1445.00 1635.00 1424.00 14 24.700 3.947 0.263 1707.00 1471.00 1632.00 1449.00 6 35.239 4.378 0.292 1500.00 1422.00 1424.00 1379.00 5 35.318 4.253 0.283 1511.00 1390.00 1437.00 1350.00 23 37.173 4.633 0.309 1449.00 1446.00 1366.00 1405.00 7 37.178 4.282 0.285 1475.00 1359.00 1401.00 1317.00 8 37.552 4.427 0.295 1456.00 1409.00 1378.00 1367.00 10 38.968 4.337 0.289 1444.00 1340.00 1366.00 1302.00 9 39.473 4.518 0.301 1430.00 1372.00 1348.00 1336.00 11 40.097 4.064 0.271 1427.00 1325.00 1353.00 1285.00 12 40.532 4.586 0.306 1408.00 1370.00 1327.00 1328.00 21 42.382 4.345 0.289 1384.00 1310.00 1302.00 1275.00 22 42.703 4.816 0.321 1369.00 1351.00 1283.00 1310.00 20 43.191 4.560 0.304 1369.00 1304.00 1283.00 1268.00 19 43.742 4.936 0.329 1350.00 1344.00 1260.00 1305.00 17 44.197 4.851 0.323 1346.00 1301.00 1258.00 1261.00 18 44.597 5.030 0.335 1337.00 1331.00 1245.00 1292.00 4 48.762 5.286 0.352 1250.00 1324.00 1154.00 1282.00 16 49.498 5.233 0.349 1253.00 1249.00 1155.00 1212.00 1 49.811 5.411 0.360 1241.00 1292.00 1144.00 1247.00 3 50.162 5.261 0.351 1245.00 1233.00 1147.00 1193.00 2 50.581 5.683 0.379 1220.00 1302.00 1119.00 1252.00 BAD DATA POINTS No km to Dist in km/yr Original data points Base 15.0 yr Move 15 23.185 3.915 0.261 1736.00 1459.00 1662.00 1438.00 13 24.698 3.912 0.261 1709.00 1445.00 1635.00 1424.00 14 24.700 3.947 0.263 1707.00 1471.00 1632.00 1449.00 11 40.097 4.064 0.271 1427.00 1325.00 1353.00 1285.00 21 42.382 4.345 0.289 1384.00 1310.00 1302.00 1275.00 NUMBER OF BAD DATA POINTS: 5 STATISTICS FOR PATH 2 REGRESSION: VELOCITY(km/yr) = 0.107 + 0.005*DISTFROMBASE(km) MEAN ABSOLUTE DEVIATION IN km/yr RELATIVE TO REGRESSION LINE: 0.0126 95% CONFIDENCE INTERVAL FOR THE REGRESSION SLOPE: 0.004 0.006 CORRELATION COEFFICIENT (EXCLUDING BAD DATA POINTS): 0.947 AVERAGE DISTANCE IN km (EXCLUDING BAD DATA POINTS): 4.805 AVERAGE VELOCITY IN km/yr (EXCLUDING BAD DATA POINTS): 0.320