EM-derived and drill-hole ice thickness measurements and GPS elevation near Barrow Alaska; May 11 2004,,,,,,,,,
North,East,Elevation,"Distance along transect, m",Snow depth (m),Drill-hole ice thickness (m),Freeboard (m),EM conductivity (mS/m),EM-derived ice thickness (m),Comments
7916481.119,583803.77,2.9,0,0.08,,,35,,Transect starts at 5/11/2004  9:39:56 AM
,,,4.4,0.15,,,39,,
,,,8.8,0.28,,,40,,
,,,13.2,0.32,,,43,,
,,,17.6,0.1,,,46,,
7916496.861,583788.35,2,22,0.21,,,49,,gps elevation poor quality
,,,25.9,0.21,,,53,,
,,,29.8,0.3,,,60,,drift
,,,33.7,0.49,,,64,,ice berm
,,,37.6,0.23,,,74,,ice berm
7916511.331,583775.246,1.2,41.5,0.4,,,114,3.5,gps elevation poor quality
,,,45.8,0.2,,,206,2.1,
,,,50.1,0.09,,,263.25,1.7,
,,,54.3,0.06,,,298.25,1.5,
,,,58.6,0.16,,,322.25,1.4,
7916527.923,583761.866,0.3,62.8,0.21,,,340,1.3,
,,,66.9,0.06,,,347.25,1.3,
,,,70.9,0.12,,,339.25,1.3,
,,,75,0.28,,,321.25,1.4,
,,,79.1,0.28,,,301.25,1.5,
7916544.884,583750.436,0.3,83.1,0.09,,,311.25,1.5,
,,,87.4,0.17,,,325.75,1.4,drift
,,,91.6,0.42,,,263,1.7,ice bump
,,,95.8,0.42,,,220,2,ice bump
,,,100,0.37,,,292.25,1.5,
7916561.098,583736.875,0.3,104.3,0.2,1.51,0.02,338.25,1.4,
,,,108.2,0.12,,,332.25,1.4,
,,,112.2,0.14,,,324,1.4,
,,,116.2,0.14,,,328,1.4,
,,,120.2,0.21,,,314,1.4,
7916575.469,583723.035,0.3,124.2,0.11,,,338.25,1.4,
,,,128.4,0.09,,,338,1.4,
,,,132.7,0.15,,,335,1.4,
,,,136.9,0.16,,,322.25,1.4,
,,,141.2,0.15,,,314,1.4,
7916591.156,583708.668,0.3,145.4,0.15,,,297,1.5,
,,,149.4,0.3,,,263,1.7,
,,,153.4,0.11,,,282.75,1.6,nr. cide crack alongside grounded floes
,,,157.3,0.19,,,282,1.6,
,,,161.3,0.43,,,276.25,1.6,tidecracks
7916606.123,583695.705,0.5,165.2,0.46,,,288.25,1.6,among grounded floes?
,,,169.5,0.16,,,311,1.5,
,,,173.7,0.44,,,301.25,1.5,
,,,178,0.52,,,286,1.6,
,,,182.2,0.5,,,263.25,1.7,
7916622.295,583681.983,0.6,186.4,0.65,,,214,2,
,,,190.8,0.42,,,224,1.9
,,,195.1,0.9,,,254,1.7
,,,199.4,0.43,,,237,1.8
,,,203.7,0.43,,,195,2.2
7916638.653,583667.949,0.6,208,0.71,,,227,1.9
7916641.582,583664.857,0.4,212.2,0.35,2.23,0,237.3,1.8
,,,216.5,0.39,,,217.25,2
,,,220.7,0.37,,,205,2.1
,,,224.9,0.14,,,243.25,1.8
7916655.64,583655.347,0.3,229.1,0.2,,,290,1.6
,,,233.1,0.07,,,314.5,1.4
,,,237.2,0,,,298.25,1.5
,,,241.2,0.07,,,296.25,1.5
,,,245.2,0.18,,,291,1.5
7916671.8,583643.224,0.3,249.3,0.06,,,287.25,1.6
,,,253.6,0.06,,,304.25,1.5
,,,258,0.09,,,303.25,1.5,
,,,262.4,0.1,,,321.25,1.4,
,,,266.7,0.22,,,307,1.5,
7916688.361,583628.973,0.2,271.1,0.12,,,317.25,1.4,
,,,275.4,0.11,,,316.25,1.4,
,,,279.6,0.09,,,327.25,1.4,
,,,283.8,0.28,,,301,1.5,
,,,288.1,0.11,,,337,1.4,
7916704.559,583615.299,0.3,292.3,0.25,,6.509306261,291.25,1.5,
,,,296.8,0.15,,,223,1.9,
,,,301.2,0.41,,,232.25,1.9,near small block
,,,305.7,0.67,,,238.25,1.8,ice bump
,,,310.2,0.25,,,228,1.9,
7916721.508,583600.77,0.3,314.6,0.06,,,251,1.8,
,,,319,0.13,1.68,0.13,267.85,1.7,no gps
,,,323.4,0.19,,,312.25,1.5,
,,,327.8,0.28,,,286.25,1.6,
,,,332.2,0.15,,,302.25,1.5,
7916738.907,583587.408,0.4,336.6,0.09,,,338.25,1.4,gps elevation poor quality
,,,340.7,0.2,,,326,1.4,
,,,344.9,0.26,,,315.25,1.4,
,,,349,0.25,,,285.25,1.6,
,,,353.2,0.16,,,224,1.9,
7916754.372,583573.518,0.5,357.3,0.26,,,167,2.4,ice bump
,,,361.6,0.36,,,205,2.1,
,,,365.9,0.11,,,232.25,1.9,
,,,370.2,0.35,,,208.25,2,
,,,374.5,0.31,,,207.25,2.1,
7916771.612,583560.632,0.3,378.8,0.26,,,206.25,2.1,
,,,383.1,0.31,,,243.25,1.8,ice bump
,,,387.4,0.59,,,295.25,1.5,
,,,391.7,0.4,,,258,1.7,
,,,396,0.35,,,310.25,1.5,
7916789.314,583548.359,0.3,400.3,0.36,,,307,1.5,
,,,404.7,0.5,,,286.25,1.6,
,,,409.1,0.42,,,269.25,1.7,
,,,413.5,0.42,,,289.25,1.6,start of smoother ice
,,,418,0.34,,,293.25,1.5,
7916807.299,583535.413,0.4,422.4,0.2,,,314,1.4,
7916810.969,583532.671,0.3,427,0.11,1.78,0.17,319,1.4,
,,,431.4,0.15,,,306.25,1.5,
,,,435.8,0.1,,,306.25,1.5,
,,,440.3,0.09,,,311.5,1.5,
7916825.255,583522.142,0.3,444.7,0.14,,,319.5,1.4,
,,,449,0.15,,,311.25,1.5,
,,,453.3,0.11,,,320.75,1.4,
,,,457.6,0.05,,,318.25,1.4,
,,,461.9,0.01,,,327.25,1.4,
7916841.357,583507.747,0.2,466.3,0.06,,,329.25,1.4
,,,470.6,0.08,,,328.75,1.4
,,,475,0.06,,,320.25,1.4
,,,479.3,0.09,,,326.25,1.4
,,,483.6,0.06,,,327,1.4
7916857.966,583493.736,0.2,488,0.15,,,324.25,1.4
,,,492.4,0.2,,,331,1.4
,,,496.9,0.08,,,320.25,1.4
,,,501.3,0.22,,,308.5,1.5
,,,505.7,0.11,,,323.25,1.4
7916875.154,583479.746,0.2,510.2,0.05,,,300.25,1.5
,,,514.2,0.03,,,312,1.5
,,,518.3,0.1,,,317.25,1.4
,,,522.4,0.12,,,310.25,1.5
,,,526.5,0.1,,,311.25,1.5
7916891.425,583467.291,0.2,530.6,0.03,,,309.25,1.5
,,,534.8,0.03,,,321.75,1.4
7916898.184,583462.304,0.3,539,0.2,1.75,0.15,295.25,1.5
,,,543.6,0.06,,,310.25,1.5
,,,548.2,0.14,,,311.25,1.5
7916909.386,583454.364,0.3,552.7,0.13,,,309.25,1.5
,,,557.1,0.11,,,317.25,1.4
,,,561.4,0.13,,,313.75,1.4
,,,565.8,0.13,,,300.25,1.5
,,,570.2,0.07,,,317.25,1.4
7916927.864,583442.538,0.3,574.5,0.14,,,311.25,1.5
,,,579,0.08,,,319,1.4
,,,583.5,0.15,,,305.25,1.5
,,,587.9,0.14,,,309.25,1.5
,,,592.4,0.15,,,314.25,1.4
,,,596.9,0.16,,,308,1.5
7916950.357,583427.7,0.3,601.3,0.11,,,315,1.4
,,,605.7,0.16,,,313.25,1.5
,,,610.1,0.12,,,312.25,1.5
,,,614.5,0.09,,,317.25,1.4
7916964.973,583417.841,0.3,618.9,0.07,,,324.25,1.4
,,,623,0.08,,,326,1.4
,,,627.2,0.24,,,306.25,1.5
7916975.342,583410.975,0.3,631.3,0.16,1.65,0.14,320.25,1.4
,,,636,0.17,,,310.25,1.5
7916983.08,583405.725,0.3,640.6,0.13,,,310.25,1.5
,,,644.8,0.02,,,311.25,1.5
7916990.191,583401.117,0.2,649.1,0.1,,,265.25,1.7
7916993.915,583398.481,0.4,653.6,0.17,,,185.75,2.2
7916997.556,583396.282,0.5,657.8,0.21,,,136,2.9
7917001.086,583393.986,0.7,662,0.53,,,104.25,4
7917004.456,583391.653,1.7,666.1,0.56,,,65,
7917007.863,583388.96,2,670.5,1.08,,,56,
7917011.368,583386.56,2,674.7,0.39,,,54,,
7917014.645,583384.364,2.2,678.6,0.65,,,54,,
7917018.127,583381.847,1.9,682.9,1.3,,,55,,
7917021.477,583379.303,1.6,687.1,1.3,,,64,,
7917025.079,583376.993,1,691.4,0.33,,,70,,
7917028.895,583374.385,0.7,696,0.46,,,83,,
7917032.145,583372.102,0.6,700,0.65,,,99.75,4.4,
7917035.405,583369.175,0.7,704.3,0.65,,,111,3.7,
7917038.399,583366.116,0.3,708.6,0.14,2.05,0.13,181,2.3,tide crack
,,,713,0.26,,,261.75,1.7,
,,,717.4,0.27,,,292.25,1.5,
,,,721.8,0.16,,,278.25,1.6,
7917052.535,583355.5035,0.2,726.3,0.04,1.55,0.12,333.25,1.4,Transect restarted at 5/11/2004  2:27:56 PM: All duplicate data averaged
,,,730.6,0.04,,,288,1.6,
,,,735,0.05,,,311,1.5,
,,,739.4,0.09,,,336.25,1.4,
,,,743.7,0.06,,,338.25,1.4,
7917070.559,583343.134,0.2,748.1,0.09,,,327.25,1.4,
,,,752.4,0.05,,,278,1.6,
,,,756.7,0.05,,,243.75,1.8,
,,,761,0.23,,,225,1.9,
,,,765.3,0.17,,,228.25,1.9,next to ice bump
7917087.636,583330.097,0.1,769.6,0.14,,,332.25,1.4,
,,,774,0.11,,,311.25,1.5,
,,,778.4,0.08,,,346.25,1.3,
,,,782.8,0.01,,,345.25,1.3,
,,,787.2,0.03,,,338.25,1.4,
7917105.308,583317.006,0.3,791.5,0.08,,,347.25,1.3,
,,,796,0.1,,,340.25,1.3,
,,,800.4,0.03,,,350.5,1.3,
,,,804.8,0.1,,,351.25,1.3,
,,,809.2,0.05,,,352.25,1.3,
7917123.253,583304.218,0.2,813.6,0.09,,,358,1.3,
,,,818,0.02,,,359,1.3,
,,,822.4,0.09,,,337.25,1.4,
,,,826.8,0.12,,,347.25,1.3,
,,,831.2,0.05,,,342.25,1.3,
7917141.002,583291.062,0.2,835.7,0.05,1.58,0.16,347,1.3,
,,,840,0.02,,,344.25,1.3,
,,,844.4,0.03,,,351.25,1.3,
,,,848.7,0.02,,,345,1.3,
,,,853.1,0.12,,,345.25,1.3,
7917159.553,583279.458,0.2,857.4,0.06,,,348.5,1.3,gps elevation poor quality
,,,861.9,0.08,,,349.25,1.3,
,,,866.3,0.07,,,350.25,1.3,
,,,870.8,0.02,,,337.25,1.4,
,,,875.2,0.04,,,350,1.3,
7917178.249,583267.291,0.2,879.7,0.01,,,347.25,1.3,
,,,883.9,0.05,,,345.25,1.3
,,,888.2,0.05,,,352.25,1.3
,,,892.5,0.04,,,342.25,1.3
,,,896.8,0.09,,,361.25,1.3
7917195.504,583254.664,0.2,901,0.04,,,366,1.3
,,,905.1,0.02,,,335.75,1.4
,,,909.2,0.17,,,346.25,1.3
,,,913.3,0.13,,,350.25,1.3
,,,917.4,0.1,,,347.25,1.3
7917208.205,583237.716,0.2,921.5,0,,,349.25,1.3
,,,925.6,0.01,,,348.25,1.3
,,,929.8,0.1,,,342.25,1.3
,,,933.9,0.09,,,351,1.3
,,,938.1,0.06,,,326.25,1.4
7917220.511,583219.662,0.3,942.3,0.13,1.58,0.11,297.25,1.5
,,,946.4,0.07,,,362.25,1.3
,,,950.6,0.07,,,371,1.2
,,,954.7,0.14,,,334,1.4
,,,958.8,0.32,,,374.25,1.2
7917233.353,583202.55,0.2,963,0.2,,,303.25,1.5
,,,967.1,0.56,,,257,1.7
,,,971.3,0.39,,,237.25,1.8
,,,975.5,0.59,,,259.25,1.7
,,,979.6,0.35,,,264.25,1.7
7917246.101,583185.163,0.3,983.8,0.27,,,263.25,1.7
,,,987.7,0.33,,,242.25,1.8
,,,991.5,0.24,,,267.25,1.7
,,,995.4,0.42,,,264.25,1.7
,,,999.3,0.25,,,248,1.8
7917258.007,583169.135,0.4,1003.2,0.34,,,234,1.9
,,,1007.2,0.4,,,177,2.3
,,,1011.3,0.55,,,158,2.6
,,,1015.3,0.14,,,192,2.2,
,,,1019.4,0.55,,,176,2.3,
7917270.602,583152.541,0.6,1023.4,0.5,,,211,2,
,,,1027.5,0.55,,,227.25,1.9,
,,,1031.7,0.77,,,289.25,1.6,
,,,1035.8,0.66,,,284.5,1.6,
,,,1039.9,0.55,,,306.25,1.5,
7917282.853,583135.066,0.2,1044,0.22,1.85,0.06,252.25,1.8,
,,,1048.2,0.25,,,239.25,1.8,
,,,1052.4,0.16,,,175,2.4,
,,,1056.6,0.25,,,136,2.9,
,,,1060.8,0.37,,,126.5,3.2,
7917295.005,583116.914,0.2,1065,0.22,,,176,2.3,
,,,1069,0.61,,,183,2.3,big drift
,,,1073.1,0.85,,,183.25,2.3,big drift
,,,1077.2,0.74,,,201.25,2.1,big drift
,,,1081.3,0.38,,,220,2,big drift
7917307.049,583099.652,0.6,1085.3,0.43,,,198.25,2.1,big drift
,,,1089.4,0.6,,,206.25,2.1,v. rough ice
,,,1093.6,0.46,,,197,2.1,
,,,1097.7,0.2,,,153,2.6,
,,,1101.8,0.19,,,125.75,3.2,
7917319.904,583083.055,0.4,1105.9,0.13,,,118,3.4,
,,,1110.3,0.4,,,123.75,3.2,
,,,1114.7,0.57,,,103,4.1,
,,,1119.1,0.2,,,109.25,3.8,
,,,1123.5,0.29,,,119,3.4,
7917333.632,583065.213,0.6,1127.9,0.57,,,104,4.1,gps elevation poor quality
,,,1132.2,0.21,,,99,4.5,
,,,1136.4,0.91,,,96,4.9,
,,,1140.6,0.86,,,95.75,4.9,
,,,1144.8,0.25,,,107,3.9,
7917347.172,583048.61,0.8,1149,0.24,4.05,0.65,100,4.4,
,,,1153.6,0.51,,,117,3.4,
,,,1158.1,0.72,,,109,3.8,
,,,1162.6,0.5,,,129,3.1,
,,,1167.1,0.34,,,121,3.3,
,,,1171.7,0.37,,,125,3.2,
7917362.489,583024.931,0.9,1176.2,0.2,,,195.5,2.2,
,,,1180.4,0.99,,,213.25,2,
,,,1184.6,0.97,,,291,1.5,
,,,1188.9,0.2,,,315,1.4,
,,,1193.1,0.28,,,321,1.4,
7917375.258,583007.444,0.2,1197.3,0.19,,,323.25,1.4,poor gps?
,,,1201.5,0.3,,,336.25,1.4,
,,,1205.7,0.28,,,333.25,1.4,
,,,1209.9,0.25,,,345.75,1.3,
,,,1214.1,0.29,,,310.25,1.5,
7917388.467,582990.773,0.3,1218.3,0.02,1.88,0.07,184,2.3,poor pdop
,,,1222.6,0.08,,,202,2.1,
,,,1227,0.11,,,231.25,1.9,
,,,1231.3,0.22,,,297.25,1.5,
,,,1235.7,0.3,,,317.25,1.4,
7917401.386,582972.657,0.5,1240,0.31,,,338.25,1.4,
,,,1244.4,0.27,,,332.25,1.4,
,,,1248.8,0.19,,,333.25,1.4,
,,,1253.2,0.07,,,336.25,1.4,
7917413.08,582959.288,0.3,1257.7,0.08,,,330.25,1.4,
,,,1262.1,0.11,,,336.25,1.4,
,,,1266.5,0.11,,,339.25,1.3,
,,,1270.9,0.02,,,328.5,1.4,
,,,1275.4,0.02,,,337.25,1.4,
,,,1279.8,0.01,,,408,1.1,
,,,1284.2,0.01,,,420.25,1.1,no gps radio
,,,1288.6,0.01,,,327.25,1.4,
,,,1293,0.14,,,298.25,1.5,
7917437.729,582927.232,0.1,1297.5,0.11,,,167.25,2.4,ice bump
7917440.893,582924.247,1,1301.8,0.1,,,152,2.7,ice bump
7917443.79,582921.092,0.8,1306.1,0.31,,,225.5,1.9,ice bump (gps elev poor quality)
7917446.86,582919.159,0.6,1309.7,0.06,,,385.25,1.2,ice bump
,,,1314.5,0.28,,,390.25,1.2,smooth ice
,,,1319.3,0.07,,,667.25,0.6,
,,,1324.1,0.06,,,666.25,0.6,
7917458.639,582903.528,0.1,1328.9,0.06,,,664,0.6,
,,,1333.2,0.01,,,680.75,0.5,
,,,1337.5,0.06,,,654.25,0.6,
,,,1341.7,0.02,,,668.25,0.6,
,,,1346,0.06,,,649.25,0.6,
7917472.001,582886.472,0.1,1350.3,0.07,,,657.25,0.6,
,,,1354.6,0.06,,,655,0.6,
,,,1359,0.07,,,626,0.6,
,,,1363.3,0.08,,,651.75,0.6,
,,,1367.6,0.01,,,649.25,0.6,
7917485.311,582868.922,0.2,1372,0.01,,,655,0.6,
,,,1376.3,0.01,,,641,0.6,
,,,1380.6,0.01,,,640,0.6,
,,,1385,0.02,,,633,0.6,
,,,1389.3,0.02,,,544.25,0.8,
,,,1393.6,0.04,,,432,1.1,start of some v. rough ice
7917500.846,582847.56,0.4,1397.9,0.22,,,494.25,0.9,
,,,1402.2,0.19,,,301.25,1.5,ice bump
,,,1406.5,0.1,,,259.25,1.7,
,,,1410.9,0.02,,,186.25,2.2,
7917511.66,582833.883,0.4,1415.2,0.31,,,232,1.9,ice bump
,,,1419.3,0.22,,,320.25,1.4,
,,,1423.4,0.01,,,238,1.8,
,,,1427.6,0.07,,,149,2.7,
,,,1431.7,0.26,,,66,,
,,,1435.9,0.84,0.72,0.05,82,,no gps radio but on top of bump (~ 2m high; ~ 40m long; perp to transect). No evident tide crack
,,,1440,0.43,,,103,4.1,
,,,1444.1,0.05,,,122.25,3.3,
,,,1452.4,0.22,,,139,2.9,
,,,1456.6,0.06,,,416,1.1,
7917537.634,582801.093,0.5,1456.6,0.11,,,549.25,0.8,start of leveller ice (poor gps)
,,,1461.1,0.07,,,528.25,0.8,
,,,1465.7,0.09,,,452,1,
,,,1470.3,0.11,,,326.5,1.4,
,,,1474.9,0.15,,,270.25,1.7,
7917551.175,582782.17,0.3,1479.4,0.03,,,320.25,1.4,
,,,1483.7,0.01,,,402.25,1.1,
,,,1488,0.01,,,354,1.3,
,,,1492.3,0.06,,,383.25,1.2,
,,,1496.6,0.09,,,611,0.7,
7917564.429,582765.031,0.1,1500.8,0.02,,,633.25,0.6,
,,,1505.2,0.02,,,622.25,0.6,
,,,1509.6,0.01,,,617.25,0.6,
,,,1514,0.02,,,627,0.6,
,,,1518.4,0.02,,,637.25,0.6,
7917578.098,582747.623,0.2,1522.8,0.01,,,629.25,0.6,
,,,1527,0.02,,,591.25,0.7,
,,,1531.2,0.01,,,466.25,1,
,,,1535.5,0.04,,,352.25,1.3,
,,,1539.7,0.24,,,418,1.1,start of rougher ice again
7917590.395,582729.916,0.2,1543.9,0.22,0.76,0.03,451.25,1,
,,,1548.3,0.29,,,459,1,
,,,1552.6,0.27,,,524,0.8,
,,,1557,0.05,,,315.25,1.4,
,,,1561.3,0.14,,,260,1.7,
,,,1565.7,0.14,,,258,1.7,no gps
,,,1570.1,0.02,,,192.25,2.2,
,,,1574.4,0.19,,,180,2.3,
,,,1583.1,0.45,,,156,2.6,
,,,1587.5,0.29,,,177.5,2.3,
7917616.484,582694.246,0.4,1587.5,0.3,,,137,2.9,
,,,1591.8,0.23,,,101,4.3,
,,,1596.1,0.22,,,83,,
,,,1600.4,0.16,,,177.5,2.3,ice bump (~ 2m high)
,,,1604.7,0.35,,,263,1.7,
7917631.042,582678.431,0.3,1608.9,0.07,,,256,1.7,
,,,1613.3,0.04,,,255.25,1.7,
,,,1617.7,0.22,,,180,2.3,
,,,1622,0.16,,,288,1.6,
,,,1626.4,0.3,,,285.25,1.6,
7917644.667,582661.139,0.3,1630.8,0.36,,,210,2,
,,,1635.1,0.27,,,279,1.6,
,,,1639.5,0.35,,,310.25,1.5,
,,,1643.8,0.3,,,276,1.6,
,,,1648.1,0.2,,,196,2.1,ice bump
7917657.343,582643.0863,0.7,1652.5,0.02,2.49,0.61,161.65,2.5,Transect restarted ~ 10pm
,,,1656.4,0.02,,,231.25,1.9,5/11/2004 9:57:59 PM: Snow and EM data duplicated and averaged
,,,1660.4,0.07,,,418,1.1,
,,,1664.4,0.1,,,377,1.2,
,,,1668.3,0.18,,,440.25,1,
7917668.982,582626.657,0.4,1672.3,0.11,,,395,1.2,
,,,1676.4,0.27,,,311.25,1.5,
,,,1680.5,0.14,,,239.25,1.8,
,,,1684.6,0.25,,,184,2.3,
,,,1688.7,0.19,,,161,2.5,
7917682.552,582611.199,0.3,1692.8,0.11,,,142.75,2.8,
,,,1696.5,0.27,,,119,3.4,level ice again
,,,1700.1,0.43,,,124,3.2,
,,,1703.8,0.33,,,164,2.5,
,,,1707.4,0.16,,,210.5,2,
7917689.702,582592.572,0.3,1711,0.14,,,222.25,2.2,
,,,1715.3,0.07,,,202.5,1.7,
,,,1719.5,0.05,,,191.75,1.5,
,,,1723.7,0.05,,,186.25,1.4,
,,,1728,0.04,,,255.5,1.4,
7917703.256,582576.201,0.3,1732.2,0.12,,,311.25,1.3,roughish ice
,,,1736.5,0.22,,,321.25,1,
,,,1740.7,0.11,,,327.25,1.2,
,,,1745,0.14,,,339,1.2,
,,,1749.3,0.2,,,441.25,1,
7917716.368,582559.13,0.2,1753.6,0.13,1.06,0.06,370.25,1.3,
,,,1757.9,0.12,,,373.25,1.9,
,,,1762.1,0.28,,,434.25,1.6,
,,,1766.4,0.13,,,363.25,1.7,
,,,1770.7,0.2,,,232,2,
7917729.986,582542.392,0.6,1775,0.1,,,283.25,1.5,
,,,1779.2,0.19,,,261.25,1.3,
,,,1783.4,0.16,,,216,1.2,
,,,1787.6,0.15,,,299,1,
,,,1791.8,0.16,,,348,1.1,
7917742.297,582525.165,0.2,1795.9,0.06,,,381.25,1,
,,,1800.3,0.2,,,441.25,0.9,
,,,1804.6,0.11,,,398.5,0.9,
,,,1808.9,0.21,,,450,0.7,
,,,1813.3,0.14,,,484.25,0.6,
7917756.782,582509.021,0.1,1817.6,0.09,,,478.25,0.7,smooth ice
,,,1821.9,0.03,,,576,0.6,
,,,1826.1,0.09,,,654.25,0.6,
,,,1830.4,0.05,,,600.25,0.7,
,,,1834.6,0.07,,,631.25,0.6,
7917770.405,582492.599,0.1,1838.9,0.05,,,621.25,0.6,
,,,1843,0.1,,,629.25,0.6,
,,,1847.2,0.04,,,611,0.7,
,,,1851.3,0.09,,,604.25,0.7,
,,,1855.5,0.05,,,590,0.7,
7917783.862,582476.706,0.1,1859.6,0.08,0.81,0.06,586.75,0.7,
,,,1863.9,0.05,,,557.75,0.8,
,,,1868.3,0.19,,,622.75,0.6,v. level ice
,,,1872.6,0.09,,,535.5,0.8,
,,,1876.9,0.11,,,477.25,0.9,
,,,1881.2,0.16,,,602.25,0.7,
,,,1885.5,0.1,,,608.25,0.7,
7917802.525,582452.7,0.2,1889.8,0.09,,,603.25,0.7,
,,,1894.2,0.04,,,614.25,0.7,
,,,1898.5,0.04,,,623.25,0.6,
7917811.016,582442.788,0.2,1902.9,0.04,,,638,0.6,
7917813.214,582439.771,0.1,1906.6,0.05,,,638.25,0.6,
7917815.051,582436.827,0.1,1909.9,0.05,,,654,0.6,
7917817.162,582433.094,0.2,1914.1,0.05,,,567.25,0.7,
7917819.326,582430.374,0.2,1917.6,0.01,,,409.75,1.1,
7917822.412,582426.853,2.4,1922.2,0.11,,,48,,
7917822.906,582423.05,2.8,1925.3,0.15,,,41,,
,,,1928.8,0.11,,,42,,
7917824.148,582414.617,1.3,1932.2,0.12,,,44,,
7917827.025,582407.877,1.1,1939.1,0.28,,,66,,
7917827.22,582403.707,1.2,1942.2,0.13,,,50,,
7917828.504,582399.908,0.7,1945.8,0.05,,,108.25,3.8,
7917830.826,582395.79,0.6,1950.4,0.24,,,190,2.2,
7917831.241,582392.133,1,1953.3,0.25,,,202,2.1,
7917833.394,582388.691,0.4,1957.3,0.05,,,153.25,2.6,
7917834.658,582384.407,0.5,1961.3,0.01,3.75,0.4,207.25,2.1,Many cavities in ice.