Event label Optional label Method/Device Abbreviation O2A Registry URI Date/Time Latitude Longitude Elevation Date/Time end Latitude end Longitude end Elevation end Comment PS14/2-track Underway cruise track measurements CT 1988-10-12T06:00:00 -35.30000 -52.30000 1988-11-18T09:00:00 -53.14470 -70.90910 PS14/04532 Radiosonde RADIO 1988-10-12T10:34:00 -34.90000 -52.00000 PS14/04531 Radiosonde RADIO 1988-10-13T10:35:00 -40.30000 -52.40000 PS14/04530 Radiosonde RADIO 1988-10-14T10:50:00 -45.60000 -52.80000 PS14/078 Multiple investigations MULT 1988-10-15T10:07:00 -50.66000 -53.21667 -1986 PS14/04529 Radiosonde RADIO 1988-10-15T10:40:00 -50.70000 -53.20000 PS14/04528 Radiosonde RADIO 1988-10-16T10:34:00 -53.90000 -53.50000 PS14/04527 Radiosonde RADIO 1988-10-17T10:36:00 -58.20000 -53.90000 PS14/079 Multiple investigations MULT 1988-10-18T07:18:00 -61.13833 -54.26000 -1051 PS14/04526 Radiosonde RADIO 1988-10-18T10:35:00 -61.10000 -54.30000 PS14/080 Multiple investigations MULT 1988-10-18T18:42:00 -61.36000 -54.29167 -1003 PS14/081 Multiple investigations MULT 1988-10-18T22:52:00 -61.47833 -54.02500 -811 PS14/082 Multiple investigations MULT 1988-10-19T01:57:00 -61.59833 -53.80500 -507 PS14/083 Multiple investigations MULT 1988-10-19T08:09:00 -61.70167 -53.59667 -585 PS14/04525 Radiosonde RADIO 1988-10-19T10:33:00 -61.80000 -53.40000 PS14/084 Multiple investigations MULT 1988-10-19T11:00:00 -61.83500 -53.29333 -447 n7229301 PS14/085 Sea ice corer SEAICEC 1988-10-19T17:00:00 -61.54000 -52.59000 air temp: -5/ice thickn: 0.74/snow thickn: 0.5/snow temp: -5.1/water temp: -1.6 PS14/085 Multiple investigations MULT 1988-10-19T18:32:00 -61.89167 -53.14833 -2068 PS14/086 Multiple investigations MULT 1988-10-19T22:46:00 -62.03833 -52.79667 -2496 PS14/087 Multiple investigations MULT 1988-10-20T08:14:00 -62.43833 -52.94833 -2612 n7229401 PS14/087 Sea ice corer SEAICEC 1988-10-20T09:40:00 -62.28000 -52.60000 air temp: -2.2/ice thickn: 1.34/snow thickn: 0.3/snow temp: -4/water temp: -1.8/Floe consisted of a number of individual rafted pieces of which we cored <> the upper piece. The snow cover was very thick (up to 1m) and showed <> a distinct interior ice layer. The surface layer was a 5cm thick wind <> crust underlain by a 2cm thick depth hoar layer. <> 2. Upper .345m of core probably retextured or recrystallized; from 0.045 to <> 0.345: large brine pockets and layers of bubbles and pores; from 0.345 <> to 0.53 bubbly granular; at 0.53 sudden change to columnar ice <> persisting to the end of the core at 0.74m. <> 3. Genetic ice class: mainly frazil <> 4. Horizontal thin section at 0.015 <> Vertical thin sections from 0.39-0.49 and 0.485-0.57 PS14/04524 Radiosonde RADIO 1988-10-20T10:36:00 -62.40000 -53.00000 PS14/088 Multiple investigations MULT 1988-10-20T23:47:00 -62.72000 -53.34167 -1396 PS14/089 Multiple investigations MULT 1988-10-21T08:29:00 -62.67000 -53.41167 -1038 n7229505 PS14/089 Sea ice corer SEAICEC 1988-10-21T09:30:00 -62.39000 -53.30000 air temp: -4.6/ice thickn: 2.15/snow thickn: 0.45/snow temp: -5/water temp: -1.8/See description for AN7229501 <> 2. First .1m consisting of very bubbly granular ice; prominent brine <> nels or pockets at .105-.18m and .23-.37m; columnar ice of varying <> n size: small with irregularly shaped crystals at .57-.88, 1.07- <> 5 and 1.93-1.965; large crystals at .87-1.07, 1.165-1.43 and 1.56- <> ; at 1.70 distinct layer of biogenic material, 1-2mm thick, <> lating, columnar crystals do not grow through layer <> 3. Genetic ice class: predominantly tranquil congelation <> 4. hor. sect. at: .05,.18,.37,.665,.88,1.07,1.55,1.71; <> . sec. at: .57-.665, 1.66-1.76 n7229501 PS14/089 Sea ice corer SEAICEC 1988-10-21T09:30:00 -62.39000 -53.30000 air temp: -4.6/ice thickn: 2.15/snow thickn: 0.45/snow temp: -5/water temp: -1.8/Station on relatively uniform floe (mean thickness acc. to thickness <> profile: 1.52m) of probably two year growth. Surface topography: rough <> with 0.3 to 0.4m of snow cover. Ridging was apparent uniformly over the <> floe. <> 2. Upper 0.4m of core granular with numerous bubbles of up to 0.005m diamet <> between 0.20-0.33m large brine channel; 0.4-0.43 transition zone to <> columnar ice; 0.43-0.53 irregular crystals, short brine channels up to <> 0.01m long; 0.53-0.745 clusters of small bubbles and brine pockets, larg <> crystals up to 0.05m long; 0.745-1.34 very large crystals up to 0.2m lon <> one brine channel >0.2m long <> 3. Genetic ice class: mainly tranquil congelation <> 4. hor. sec. at: 0.195; vert. sec. at: 0.325-0.445 n7229504 PS14/089 Sea ice corer SEAICEC 1988-10-21T09:30:00 -62.39000 -53.30000 air temp: -4.6/ice thickn: 2.15/snow thickn: 0.45/snow temp: -5/water temp: -1.8/Station on multiyear floe of varying thicknesses (thicknesses acc. to <> thickness profile: 1.8 +/- 0.7m). Large standard deviation due to <> apparent ridging activity this floe had gone through. We were in an <> area, which seemed not have been subjected to the storm events that <> lead to the extended break-up of floes, which we observed south of the <> ice edge. -On this station, we tried a new sampling strategy, by placing <> two triangular pattern of 20 and 2m sidelengths on the ice, the smaller <> triangel lying within the larger one. At each of the corners, cores were <> to be taken and a surface measurement was to be performed. Unfortunately <> we succeded only in completing the outer triangel. -The floe had a <> fairly uniform snow cover, with a 0.05m thick wind crust on the top, <> underlain by extensive depth hoar layers. <> 2. Beetween 0.05 and 0.055 llayer of very clear granular ice -> surface <> melting(?); from 0.5-0.57 and 0.99-1.19 prominent brine channels; <> from 0.96-0.98 layer of small, irregularly shaped crystals; <> at 1.75 distinct layer of biogenic material, 1-2mm thick, which does <> not disturb the texture of the crystals it cuts through <> 3. Genetic ice class: predominantly tranquil congelation <> 4. hor. sect. at: .18,.47,.67,.87,.97,1.19; vert. sec. at: 0-0.1,0.57-0.67 PS14/04523 Radiosonde RADIO 1988-10-21T10:30:00 -62.60000 -53.50000 PS14/090 Multiple investigations MULT 1988-10-22T19:26:00 -62.19833 -54.04000 -1000 n7229601 PS14/090 Sea ice corer SEAICEC 1988-10-22T19:40:00 -62.12000 -53.42000 air temp: -3.7/ice thickn: 0.47/snow thickn: 0.26/snow temp: -3.2/water temp: -1.8/See description for AN7229501 <> 2. Only the upper 0.13m consist of granular ice with high concentration <> of bubbles; from 1.21-1.515: transitional columnar/granular with <> irregular growth and jagged crystals of small size perhaps either <> indicating the onset of growth in the Fall or freezing of water in <> a gap, which was caused by a rafting/ridging event; at 1.75 distinct <> layer of biogenic material, 1-2mm thick <> 3. Genetic ice class: predominantly tranquil congelation <> 4. hor. sect. at: 0.105, 1.3; vert. sec. at:.1-.2, 1.245-1.345, 1.71-1.81 PS14/091 Multiple investigations MULT 1988-10-23T08:01:00 -61.87000 -53.03000 -1442 n7229701 PS14/091 Sea ice corer SEAICEC 1988-10-23T10:00:00 -61.50000 -52.36000 air temp: -8.6/ice thickn: 0.44/snow thickn: 0.1/snow temp: -4/water temp: -1.8/This was a young floe not older than a few weeks; we worked close to a r <> on ice that consisted at places of refrozen cracks of even younger age; <> mean thickness (acc. to thickness profile) was 0.55+/-0.2m; the snow co <> was generally thin (mean of 0.10+/-0.05m); the entire floe was only a f <> hundred meters in size lying next to floes that were heavilly deformed <> 2. At the top: bubbly polygonal granular ice; the majority of the core <> consisting of orb. granular ice with numerous brine and air pockets of <> appr. 0.001m size; between 0.02 and 0.09m large brine pockets up to 0.01 <> in size <> 3. Genetic ice class: predominantly frazil <> 4. horiz. sect. at: 0.05, 0.3 PS14/04522 Radiosonde RADIO 1988-10-23T10:32:00 -61.80000 -52.80000 PS14/092 Multiple investigations MULT 1988-10-23T12:00:00 -61.83333 -52.43500 -1387 PS14/093 Multiple investigations MULT 1988-10-23T23:02:00 -61.34000 -51.73333 -547 PS14/04521 Radiosonde RADIO 1988-10-24T10:36:00 -60.50000 -50.20000 PS14/094 Multiple investigations MULT 1988-10-24T11:31:00 -60.44833 -50.15167 -3742 PS14/095 Multiple investigations MULT 1988-10-25T06:05:00 -58.89833 -49.49333 -3992 PS14/096 Multiple investigations MULT 1988-10-25T08:45:00 -59.09333 -49.49667 -4000 PS14/04520 Radiosonde RADIO 1988-10-25T10:35:00 -59.20000 -49.50000 PS14/097 Multiple investigations MULT 1988-10-25T17:27:00 -58.61667 -49.48333 -3528 PS14/098 Multiple investigations MULT 1988-10-25T20:30:00 -58.34500 -49.48167 -3292 PS14/099 Multiple investigations MULT 1988-10-25T22:37:00 -58.21833 -49.41833 -3827 PS14/100 Multiple investigations MULT 1988-10-26T08:02:00 -58.00000 -49.50000 -3984 PS14/04519 Radiosonde RADIO 1988-10-26T10:36:00 -59.00000 -49.60000 PS14/04518 Radiosonde RADIO 1988-10-27T10:41:00 -58.90000 -48.70000 PS14/101 Multiple investigations MULT 1988-10-27T17:05:00 -59.17333 -49.65167 -3936 PS14/102 Multiple investigations MULT 1988-10-27T20:17:00 -59.44833 -49.65500 -4010 PS14/103 Multiple investigations MULT 1988-10-28T08:02:00 -59.72500 -49.67833 -3917 PS14/04517 Radiosonde RADIO 1988-10-28T09:26:00 -59.70000 -49.70000 PS14/104 Multiple investigations MULT 1988-10-28T11:13:00 -60.00833 -49.69167 -3705 n7230201 PS14/104 Sea ice corer SEAICEC 1988-10-28T14:45:00 -60.02000 -49.57000 air temp: -1.6/ice thickn: 3.07/snow thickn: 0.98/snow temp: -1.9/water temp: -1.8/Floe similar to previous station (AN72296); not older than a few weeks; <> of small thickness (xxxxxxxxxxxm acc. to thickness profile); at places <> extremely thin also indicating (as at AN72296) refrozen cracks; rafting <> evident at places; thin snow cover (xxxxxxxxxxxxxxm) <> 2. Core consists primarily of fine grained orb. granular ice; grain <> boundaries almost planar -> origin as polygonal granular (?); brine <> channels at 0.1-0.22m <> 3. Genetic ice class: predominantly frazil <> 4. horiz. sect. at: 0.22; vert. sect. at: 0-0.1 n7230211 PS14/105 Sea ice corer SEAICEC 1988-10-28T17:30:00 -60.18000 -49.41000 air temp: -1.2/ice thickn: 2.24/snow thickn: 0.61/snow temp: -2.1/water temp: -1.6/Sampling with mummy chair; relatively smalll floe with thick snow cove <> sampling site between two smaller ridges <> 2. 0.045-0.305: very porous, brine pockets; 0.43-0.52: inclusion of columna <> fragment; 0.605-0.705:very porous; 0.705-0.805: large brine channel, >0. <> long; 0.965-1.2: brine pockets/channels; 1.41-1.46: bands of crystal <> resembling interm. gran./column.; 1.51-1.58: distinct zone of high poros <> 1.67-1.79: slanted layer of bubbles and pores, well defined; 2.16-2.2: <> refrozen brine channel, transparent; 2.33-2.63: tilted layer, 20 deg. to <> vertical; 2.63-2.66: sharp, slanted boundary; 2.795-2.805: well defined <> slanted boundary to layered section below; 2.95-3.05: inclusion of <> rectilinear portion of columnar ice, appr. 0.05m wide; 3.07-3.22: layer <> of aligned crystals; 3.25-3.305: porous bottom layer <> 3. genetic ice class: predominantly granular <> 4. vert. sec. at: 0.305-0.405,1.2-1.31,2.035-2.16; hor. sec at: 2.16 PS14/105 Multiple investigations MULT 1988-10-28T19:30:00 -60.29667 -49.69167 -3205 PS14/106 Multiple investigations MULT 1988-10-29T01:00:00 -60.60667 -49.53000 -3237 PS14/107 Multiple investigations MULT 1988-10-29T05:15:00 -60.94000 -49.38167 -2740 PS14/04516 Radiosonde RADIO 1988-10-29T06:10:00 -60.90000 -49.40000 PS14/108 Multiple investigations MULT 1988-10-29T08:05:00 -61.05333 -49.36833 -2843 n7230301 PS14/109 Sea ice corer SEAICEC 1988-10-29T10:00:00 -61.12000 -49.16000 air temp: -0.7/ice thickn: 1.66/snow thickn: 0.83/snow temp: -2/water temp: -1.6/ Small (diameter appr. 15 m), flat floe; no ridges; sampling site appr. <> 5m from edge <> 2. 0.-0.015 and 0.02-0.08: layers of clear, inclusion free ice; 0.015- <> .02 and below 0.08 very porous ice with layers of brine pockets; <> 0.295-0.55: directed growth, layers of small inclusions and brine pocke <> 0.55-0.695: small crystals, numerous brine channels; 0.695-0.73: probab <> rafted; 1.13-1.21: smaller crystals, disturbed growth; 1.23-1.39: large <> brine pocket, diam. 0.03m; 1.505-1.555 and 1.68-1.765: layered growth w <> layers of brine pockets; 1.86-1.995: brine channels; 2.08-2.245: refroz <> brine channel, diam. 0.05m <> 3. Genetic ice class: mainly tranquil congelation <> 4. vert. sec. at: 1.26-1.36, 1.95-2.05 PS14/04515 Radiosonde RADIO 1988-10-29T10:37:00 -61.10000 -49.30000 PS14/109 Multiple investigations MULT 1988-10-29T12:23:00 -61.20167 -49.26500 -2969 n7230311 PS14/110 Sea ice corer SEAICEC 1988-10-29T19:30:00 -61.27000 -49.08000 air temp: -1.1/ice thickn: 2.175/snow thickn: 0.58/snow temp: -2.9/water temp: -1.6/Relatively small floe (<100m) with heavy ridging along the edges; relati <> old floe with thick snow cover; probably remainder of larger floe, which <> broken-up earlier <> 2. 0.02-0.225: very porous with large brine pockets; 0.225-0.41: smaller <> porosity; 0.41-0.47: zone of congelation growth with irregular grains: <> (similar at 0.505-0.545); 0.65-0.71: high porosity; 0.8-0.875: brine <> channels; 0.875-1.07: layered growth with vertically elongated crystals; <> 1.07-1.245: brine layers of tear-drop shape; 1.255-1.33: inclusion of <> chunk of int. gran./column.; 1.355-1.555: slanted growth of partly <> elongated grains; 1.615-1.665: brine pockets in bottom of this section; <> 3. Genetic ice class: pred. frazil <> 4. vert. sec. at: 0.425-0.525, 0.875-0.97, 1.355-1.46; hor. sec. at: 0.8 PS14/110 Multiple investigations MULT 1988-10-29T21:23:00 -61.46667 -49.11167 -3203 PS14/04514 Radiosonde RADIO 1988-10-30T06:11:00 -61.70000 -49.00000 n7230401 PS14/111 Sea ice corer SEAICEC 1988-10-30T08:00:00 -61.52000 -49.01000 air temp: -6/ice thickn: 0.89/snow thickn: 0.39/snow temp: -1.9/water temp: -1.6/Station on intermediate sized (about 200x100m). <> 2. 0.01-0.035: transparent band (refrozen melt layer) <> 0.08-0.11: transition zone <> 0.155-0.265: brine channels <> 0.57-0.615: transition between intermed. and mixed gr./col. <> 0.8-0.86: brine pockets <> 0.86-0.99: pores and brine channel <> 1.62-1.655: transition zone <> 1.74-1.85: large crystals, slanted at an angle (rafted piece?) <> 1.85-1.95: very large crystals, vertically aligned <> 1.96-2.03: milky appearance due to small pores <> 2.07-2.17: irregular crystals <> 3. genetic ice class: predominantly congelation (tranquil/disturbed) <> 4. hor.sect. at: 1.07; vert. sect. at: 0.515-0.615, 1.37-1.455, 1.96-2.07 PS14/111 Multiple investigations MULT 1988-10-30T08:47:00 -61.86000 -49.01833 -3326 PS14/04513 Radiosonde RADIO 1988-10-30T10:32:00 -61.90000 -49.10000 n7230411 PS14/112 Sea ice corer SEAICEC 1988-10-30T19:00:00 -62.05000 -48.52000 air temp: -4.4/ice thickn: 2.13/snow thickn: 0.63/snow temp: -2.1/water temp: -1.6/Floe of intermediate size and thickness below 1m; heavily ridged; 0.4 m <> of snow; picture 22 on roll 3 <> 2. 0.025-0.08: band of clear ice, probably refrozen melt layer <> 0.095-0.2: large brine pockets of up to 0.02m in diameter <> 0.215-0.31: sharp boundary to orbicular gran. above, col. appear <> 0.545-0.645: increasingly irregular crystals tending towards intermed. <> col./gran. <> 0.71-0.815: slanted crystals and brine layers, lower 0.2m of floe <> represents rafted piece <> 3. genetic ice class: mainly congelation (quiet and disturbed growth) <> 4. hor. sec. at: 0.645; vert. sec. at: 0.31-0.43, 0.71-0.815 PS14/112 Multiple investigations MULT 1988-10-30T21:10:00 -62.08833 -48.85000 -3357 PS14/04512 Radiosonde RADIO 1988-10-31T06:16:00 -62.20000 -48.80000 PS14/113 Multiple investigations MULT 1988-10-31T08:19:00 -62.16833 -48.75833 -3355 n7230501 PS14/114 Sea ice corer SEAICEC 1988-10-31T08:30:00 -62.10000 -48.45000 air temp: -4/ice thickn: 0.75/snow thickn: 0.39/snow temp: -2.2/water temp: -1.8/<> 2. 0.-0.1: very porous polyg. gran ice <> 0.1-0.275: very clear ice (refrozen melt layer) <> 0.275-0.455: irregular grains <> evidence of retexturing, numerous brine pockets and pores <> 0.46-0.6: refrozen brine channel, diam. 0.02m <> 0.735-0.93: refrozen cavities with platy crystals <> 0.93-1.59: very homogeneous, fine grained, no evidence of retexturing <> 1.59-1.62: region of platy crystals, refrozen cavity <> 1.695-2.02: refrozen brine channel <> 3. genetic ice class: predominantly frazil <> 4. hor. sec. at: 0.5; vert. sec. at: 0.735-0.82, 1.8-1.91 PS14/04511 Radiosonde RADIO 1988-10-31T10:30:00 -62.20000 -48.80000 PS14/114 Multiple investigations MULT 1988-10-31T21:19:00 -62.48833 -48.46500 -3451 PS14/04510 Radiosonde RADIO 1988-11-01T06:09:00 -62.50000 -48.50000 n7230601 PS14/115 Sea ice corer SEAICEC 1988-11-01T08:30:00 -62.32000 -48.18000 air temp: -4.3/ice thickn: 2.39/snow thickn: 0.64/snow temp: -2.9/water temp: -1.8/Composite floe, consisting mainly of younger ice; heavy ridging and raft <> apparent; <> 2. 0-0.04: very claer ice with layers of bubbles and brine pockets -melt la <> 0.04-0.4: brine pockets and channels, part. 0.11-0.225 of appr. 0.01m wi <> 0.305-0.4: large crystals <> 3. genetic ice class: pred. tranquil congelation <> 4. no sections <> 5. Temperatures were taken on shorter core -03. PS14/115 Multiple investigations MULT 1988-11-01T10:03:00 -62.53833 -48.30167 -3443 PS14/04509 Radiosonde RADIO 1988-11-01T10:30:00 -62.60000 -48.30000 PS14/116 Multiple investigations MULT 1988-11-01T18:59:00 -62.72000 -48.04167 -3278 PS14/04508 Radiosonde RADIO 1988-11-02T06:03:00 -62.80000 -48.00000 n7230701 PS14/117 Sea ice corer SEAICEC 1988-11-02T08:15:00 -63.61000 -47.45000 air temp: -4.5/ice thickn: 1.07/snow thickn: 0.51/snow temp: -2.3/water temp: -1.8/Relatively olld floe; heavily ridged; thick snow cover; in closed pack <> ice field <> 2. 0.-.02: numerous bubbles with brine drainage features <> 0.05-0.23: layers of numerous pores <> 0.23-0.445: extremely large brine pockets, diam. up to 3 cm <> 0.495: boundary and upper and lower section of floe (rafting) <> 0.495-0.775: brine percolation zone <> 1.265-1.465: numerous small, spherical pores <> 1.565-1.765: brine pockets <> 1.9-2.085: brine pockets of up to 4.5 cm in diameter <> 3. Genetic ice class: mainly frazil <> 4. horiz. sec. at: 0.34, 0.775, 2.085; vert. sec at.: 0.445-0.56 PS14/117 Multiple investigations MULT 1988-11-02T10:24:00 -63.02167 -47.75333 -2861 PS14/04507 Radiosonde RADIO 1988-11-02T10:30:00 -63.00000 -47.80000 PS14/118 Multiple investigations MULT 1988-11-02T20:59:00 -63.17833 -47.61500 -3109 PS14/04506 Radiosonde RADIO 1988-11-03T06:06:00 -63.10000 -47.60000 PS14/04505 Radiosonde RADIO 1988-11-03T10:35:00 -63.20000 -47.50000 PS14/119 Multiple investigations MULT 1988-11-03T17:25:00 -63.35667 -47.67333 -3354 PS14/04504 Radiosonde RADIO 1988-11-04T06:03:00 -63.30000 -47.60000 PS14/04503 Radiosonde RADIO 1988-11-04T10:31:00 -63.30000 -47.60000 n7230911 PS14/119 Sea ice corer SEAICEC 1988-11-04T11:00:00 -63.40000 -48.08000 air temp: -1.2/ice thickn: 1.05/snow thickn: 0.15/snow temp: -3.2/water temp: -1.8/Floe in closed pack, consisting of remnants of old, arger floes; <> surrounding floes of similar size and composition; heavily ridgded at <> the edges; relatively flat interior parts; floe reached by helicopter <> 2. 0-0.03: very transparent ice --> previous melt layer <> 0.03-0.14: extremely porous with clusters of air bubbles of 0.5 cm in <> diameter <> 0.14-0.335: still highly porous; small elongated brine channels <> 0.335-0.385: small crystals; narrow brine channels of 1-3 cm length <> 0.515-0.64: long brine channels; at 0.64, band of small pores <> 0.75-0.795: banded growth of quiet congelation ice; brine channels <> 0.885-0.99: numerous brine pockets and air bubbles <> 1.085-1.165: slanted growth of columnar ice in matrix of granular ice <> 1.275-1.325: numerous pores and brine pockets; undulating layer at 1.3 <> 1.4-1.575: brine pockets and channels <> 1.875-1.2.: layers of pores and brine pockets <> 2.-2.095: part of section consisting of irreg. column.; incl. of brash <> 2.585-2.725: very porous; large brine pockets <> 2.825-2.92: regions of small irreg. column. crystals alternate with fine <> grained and platy orbicular granular crystals <> 3.02-3.265: irregular mixture of granular and slanted columnar crystals <> 3.295-3.745: two systems of brine channels, partially refrozen <> 3. Genetic ice class: mixed frazil/congelation <> 4. hr. sec. at.: 2.4, 2.92; vert. sec. at: 0.795-0.885, 1.06-1.165, <> 3.01-3.1 n7230921 PS14/119 Sea ice corer SEAICEC 1988-11-04T12:00:00 -63.10000 -47.13000 air temp: -1.2/ice thickn: 1.7/snow thickn: 0.3/snow temp: -4.3/water temp: -1.8/Medium sized floe, several hundred meters in diameter; linear ridges <> along the edges and in the interior of the floe; sampling site at a <> grey patch of exposed ice; station reached by helicopter. <> 2. 0.-0.03: clear ice with few bubbles (refrozen melt layer) <> 0.03-0.225: large crystals; brine channels and pores <> 0.225-0.26: undulating between granular and columnar <> 0.26-0.485: brine pockets <> 0.485-0.61: brine channels and pores <> 0.61-0.71: transition to growth of very irregular columnar crystals; <> brine channels <> 0.77-1.05: large crystals; brine channels and pockets <> 3. genetic ice class: predominantly tranquil congelation <> 4. hor. section at: 0.24; vert. section at: 0.58-0.68 n7230931 PS14/119 Sea ice corer SEAICEC 1988-11-04T16:00:00 -63.21000 -47.37000 air temp: -1.5/ice thickn: 0.37/snow thickn: 0.04/snow temp: -2/water temp: -1.8/Intermediate aged floe of small size (diam. <100 m); ridges scattered <> across floe; varying snow thickness; floe reached by helicopter. <> 2. 0.-0.01: Very porous <> 0.01-0.11: alternating layers of crystals and pores <> 0.11-0.245: small crystals; brine pockets and pores <> 0.245-0.29: well defined boundary to lower unit <> 0.29-0.315: two layers of brine pockets <> 0.315-0.36: coarser grained as above; large brine pockets <> 0.36-0.67: finer grained; small pores, evenly distributed throughout <> 0.67-0.685: brine channels; larger pores than above <> 0.685-1.06: small crystals; brine channels <> 1.06-1.10: transition zone <> 1.1-1.155: large crystals; large brine channels <> 1.395-1.535: very large crystals (about 0.2 m long, several cm wide) <> 1.64-1.725: small crystals <> 1.725-1.825: crystal sizes increasing; brine channels <> 3. genetic ice class: mixed frazil/congelation <> 4. hor. sect. at: 1.45; vert. sect. at: 0.315-0.415, 1.035-1.14 PS14/04502 Radiosonde RADIO 1988-11-05T05:58:00 -63.40000 -47.70000 n7231001 PS14/120 Sea ice corer SEAICEC 1988-11-05T10:15:00 -63.15000 -47.40000 air temp: -2.1/ice thickn: 0.94/snow thickn: 0.21/snow temp: -3.1/water temp: -1.8/Floe of grey-white ice; about 50 m in diameter; rafted at the edges; <> thin and uniform snow cover. <> 2. 0.105-0.185: large brine pockets; brine drainage features <> 0.185-0.225: well defined lower boundary <> 0.225-0.255: transition zone <> 0.305-0.37: rafted piece <> 3. genetic ice class: mainly frazil <> 4. vert. sect. at: 0.00-0.1 PS14/04501 Radiosonde RADIO 1988-11-05T10:26:00 -63.30000 -47.70000 PS14/120 Multiple investigations MULT 1988-11-05T11:59:00 -63.25667 -47.67167 -3146 n7231011 PS14/121 Sea ice corer SEAICEC 1988-11-05T21:45:00 -63.03000 -47.37000 air temp: -1.5/ice thickn: 1.66/snow thickn: n.g./snow temp: -3.1/water temp: -1.6/Sampling site on old floe of white ice; in the immediate vicinity of <> an extended lead; floe size several hundreds of meters in width and <> several kilometers in length. <> 2. 0.0-0.3: brine channels and brine pockets <> 0.3-0.345: transition zone <> 0.345-0.445: large refrozen brine channel <> continued from previous segment <> 0.685-0.785: large crystals <> 3. genetic ice class: mainly tranquil congelation <> 4. vert. sect. at: 0.225-0.345 PS14/121 Multiple investigations MULT 1988-11-05T23:50:00 -63.06667 -47.69833 -3027 PS14/04500 Radiosonde RADIO 1988-11-06T06:05:00 -63.10000 -47.70000 n7231101 PS14/122 Sea ice corer SEAICEC 1988-11-06T09:45:00 -62.42000 -47.45000 air temp: -2.7/ice thickn: 0.4/snow thickn: 0.12/snow temp: -1.9/water temp: -1.6/No information available. <> 2. 0.0-0.095: layers of pores and brine pockets <> 0.095-0.305: brine pockets (0.01-0.02m in diam.), brine channels <> 0.305-0.405: layers of pores and small brine pockets <> 0.305-1.055: very homogeneous ice regarding grain sizes and shapes <> 0.465-0.76: brine pockets and channels (<0.01m long, <0.001m wide) <> 0.76-1.45: refrozen brine channel, up to 0.02m in diam. <> 1.63-1.66: brine channels, larger crystals <> 3. genetic ice class: predominantly frazil <> 4. hor. sect. at 0.465. PS14/04499 Radiosonde RADIO 1988-11-06T10:32:00 -62.80000 -47.70000 PS14/122 Multiple investigations MULT 1988-11-06T11:35:00 -62.62667 -47.78000 -3466 PS14/123 Multiple investigations MULT 1988-11-07T00:15:00 -61.99000 -47.40667 -2760 PS14/04498 Radiosonde RADIO 1988-11-07T05:57:00 -62.00000 -47.40000 PS14/124 Multiple investigations MULT 1988-11-07T08:02:00 -61.85833 -47.23167 -1721 n7231201 PS14/124 Sea ice corer SEAICEC 1988-11-07T10:15:00 -61.50000 -47.15000 air temp: -4/ice thickn: 1.4/snow thickn: 0.33/snow temp: -1.8/water temp: -1.6/Station on a vast new ice floe; variable snow depths due to strong <> drift events. <> 2. 0.0-0.025: clear band of ice (refrozen melt layer), below a gap <> of 0.005m width, partially bridged by ice <> 0.025-0.35: fine-grained ice with small bubbles, brine pockets <> and channels <> 0.35-0.405: milky appearance, few brine pockets <> 3. genetic ice class: predominantly frazil <> 4. hor. sect. at 0.235 PS14/04497 Radiosonde RADIO 1988-11-07T10:23:00 -61.90000 -47.20000 PS14/125 Multiple investigations MULT 1988-11-07T21:44:00 -61.59500 -46.76167 -910 PS14/04496 Radiosonde RADIO 1988-11-08T06:04:00 -61.90000 -46.80000 n7231303 PS14/125 Sea ice corer SEAICEC 1988-11-08T08:30:00 -61.50000 -46.52000 air temp: -5.1/ice thickn: 1.4/snow thickn: 0.64/snow temp: -2.1/water temp: -1.6/Medium sized floe (200m width) which is broken part of larger floe; <> smooth surface topography in the interior and heavy ridging around the <> perimeters of the floe. <> 2. 0.0-0.295: very porous, layers and clusters of brine pockets, also <> patches of clear ice <> 0.295-0.445: half of section consists of very clear polygonal gran. <> with grains up to 0.008m in diam. <> 0.48-0.58: very fine-grained <> 0.58-0.67: numerous brine pockets <> 0.72-0.95: brine pockets <> 1.01-1.115: refrozen brine channel <> 1.115-1.41: large crystals, patches of smaller grains inbetween <> (refrozen brine pockets?) <> 3. genetic ice class: mixed frazil/tranquil congelation <> 4. hor. sect. at: 1.4; vert. sect. at: 1.01-1.115 PS14/04495 Radiosonde RADIO 1988-11-08T10:24:00 -61.90000 -46.90000 PS14/04494 Radiosonde RADIO 1988-11-09T06:02:00 -61.50000 -46.60000 n7231401 PS14/126 Sea ice corer SEAICEC 1988-11-09T06:15:00 -61.29000 -46.34000 air temp: -5.1/ice thickn: 1.76/snow thickn: 0.05/snow temp: -2.6/water temp: -1.6/Station at edge of large floe; extensive ridging and rafting; uneven <> surface morphology with drifted-in ridges and hummocks. <> Cores -01 and -02 taken through thinner ice, not regarded here. <> This core was taken on the same floe but at a different location <> and should actually be called 3131<> 2. 0.0-.013: porous, large brine pockets, well defined boundary to <> upper unit, inclusion of biogenic material <> 0.13-0.245: less porous <> 0.245-0.415: some large pores and brine pockets <> 0.415-0.515: small pores throughout <> 0.515-0.56: intermediate porosity <> 0.56-0.63: fine-grained, less porosity <> 0.63-1.07: small pores throughout <> 0.705-0.76: patch of mixed col./gran. <> 0.97-1.07: patch of intermed. gran./col. <> 1.07-1.165: intermediate porosity <> 1.165-1.26: small pores throughout <> 1.26-1.36: few large brine pockets <> 3. genetic ice class: mixed gran./col. <> 4. vert. sect. at: 0.6-0.705; 0.705-0.805 PS14/126 Multiple investigations MULT 1988-11-09T08:09:00 -61.47833 -46.56500 -381 n7231411 PS14/127 Sea ice corer SEAICEC 1988-11-09T10:30:00 -61.22000 -46.29000 air temp: -5.4/ice thickn: 1.55/snow thickn: 0.33/snow temp: -1.8/water temp: -1.6/Small floe (50x50m); ridged along the edges and to a lesser extent in <> the interior; irregular snow/ice-interface. <> 2. 0.0-0.085: high porosity, some large retextured crystals <> 0.085-0.12: well defined lower boundary (rafted) <> 0.15-0.18: layers of pores and brine pockets; below brine channels <> 0.32-0.435: brine channels <> 0.575-0.66: porous <> 0.86-0.9: few smaller crystals <> 0.935: very well defined lower boundary <> 1.14-1.215: slightly slanted <> 1.29-1.335: very large brine pockets, layers of pores <> 1.385-1.46: systems of brine channels and pockets <> 1.46-1.495: layers of horizontally aligned crystals <> 1.565-1.585: very porous <> 1.585-1.635: large brine channels <> 1.705-1.725: aligned crystals <> 1.725-1.765: very porous <> 3. genetic ice class: mainly tranquil congelation <> 4. vert. sect. at: 0.385-0.485; 0.935-1.065 PS14/127 Multiple opening/closing net, 200 µm meshsize MSN200 1988-11-09T15:11:00 -61.47830 -46.56500 -381 n7231422 PS14/128 Sea ice corer SEAICEC 1988-11-09T18:45:00 -61.05000 -46.03000 air temp: -4.7/ice thickn: 3.04/snow thickn: 1/snow temp: -2.2/water temp: -1.6/Relatively large, homogeneous floe of intermediate age; smooth surface <> topography, some ridging around perimeter of floe. <> 2. 0.0-0.48: High porosity, brine pockets <> 0.18-0.19: band of small pores <> 0.48-0.55: transition zone <> 0.55-0.70: large crystals, refrozen brine channel in upper part <> 0.7-0.805: smaller crystals <> 0.805-0.93: very large crystals <> 0.99-1.185: large brine channels and pores <> 1.11: sharp boundary <> 1.235-1.31: intermediate porosity <> 1.31-1.39: transition zone (?) <> 3. genetic ice class: mixed frazil/congelation (tranquil/disturbed) <> 4. no thin sections PS14/128 Multiple investigations MULT 1988-11-09T21:09:00 -61.07500 -46.06667 -272 PS14/04493 Radiosonde RADIO 1988-11-10T06:03:00 -60.90000 -45.60000 PS14/129 Multiple investigations MULT 1988-11-10T08:01:00 -60.83333 -45.58167 -376 PS14/04492 Radiosonde RADIO 1988-11-10T10:30:00 -60.80000 -45.60000 PS14/04491 Radiosonde RADIO 1988-11-11T06:02:00 -60.60000 -46.50000 PS14/130 Multiple investigations MULT 1988-11-11T08:02:00 -60.62000 -46.47000 -520 PS14/04490 Radiosonde RADIO 1988-11-11T10:19:00 -60.60000 -46.50000 n7231601 PS14/131 Sea ice corer SEAICEC 1988-11-11T10:25:00 -60.27000 -46.27000 air temp: -4.2/ice thickn: 1.65/snow thickn: 1/snow temp: -1/water temp: -1.6/Floe of intermediate size (50x50m), remnant of larger floe; ridging <> apparent at the edges, otherwise not noticeable due to thick snow <> cover. <> 2. 0.0-0.08: layers of transparent ice (refrozen melt layers); porous <> 0.08-0.24: porous; layering <> 0.24-0.265: large pores and brine pockets <> 0.36-0.375: layer of transparent ice <> 0.47-1.13: porous, large brine pockets <> 0.66-0.715: patch of intermed. col./gran. of half the core width <> (refrozen cavity) <> 1.255-1.48: porous, brine pockets, regions of sample appear less <> porous with smaller crystals <> 1.48-1.58: clusters of pores <> 1.58-1.79: intermediate porosity <> 1.79-3.035: fine-grained <> 2.21-2.425: brine channels <> 2.735-2.83: intermediate porosity <> 2.83-3.035: large cavities (melting) <> 3. genetic ice class: predominantly frazil <> 4. vert. sect. at: 0.58-0.695; 1.375-1.48; hor.sect. at: 2.425 PS14/131 Multiple opening/closing net, 200 µm meshsize MSN200 1988-11-11T14:43:00 -60.45830 -46.44500 -612 PS14/132 Multiple investigations MULT 1988-11-11T20:33:00 -60.16333 -46.44833 -3406 PS14/133 Multiple investigations MULT 1988-11-12T02:38:00 -59.88500 -46.36667 -3967 PS14/134 Multiple opening/closing net, 200 µm meshsize MSN200 1988-11-12T09:10:00 -59.53000 -46.46000 -3102 PS14/04489 Radiosonde RADIO 1988-11-12T10:28:00 -59.50000 -46.50000 PS14/135 Multiple investigations MULT 1988-11-12T12:03:00 -59.22000 -46.46167 -2880 PS14/136 Multiple opening/closing net, 200 µm meshsize MSN200 1988-11-12T18:19:00 -59.03830 -46.49500 -2610 PS14/137 Multiple opening/closing net, 200 µm meshsize MSN200 1988-11-12T22:41:00 -58.51830 -46.51330 -3210 PS14/138 Multiple investigations MULT 1988-11-13T02:33:00 -58.32167 -46.50833 -3065 PS14/04488 Radiosonde RADIO 1988-11-13T06:00:00 -58.00000 -46.50000 PS14/139 Multiple opening/closing net, 200 µm meshsize MSN200 1988-11-13T06:43:00 -57.84670 -46.49330 -3363 PS14/04487 Radiosonde RADIO 1988-11-13T10:23:00 -57.80000 -46.50000 PS14/04486 Radiosonde RADIO 1988-11-14T06:00:00 -59.90000 -49.60000 n7231901 PS14/014 Sea ice corer SEAICEC 1988-11-14T10:00:00 -60.22000 -50.08000 air temp: -4.1/ice thickn: 2.33/snow thickn: 0.7/snow temp: -1.6/water temp: -1.5/Broken remnant of old floe; heavily ridged; varying snow depths due to <> drifting-in of ridges; floe 50x50m in size with rounded shape. <> 2. 0.0-0.1: Vertical zone of clear ice (refrozen melt channel) <> 0.395-0.505: high porosity, brine pockets <> 0.54-0.83: elongated grains <> 0.91-1.05: rounded inclusion of columnar texture (piece of brash) <> 1.05-1.41: brine pockets <> 1.41-1.51: patch of congelation growth (piece of brash) <> 1.51-1.74: more pieces of columnar included in sample, brine pockets <> 3. genetic ice class: predominantly frazil <> 4. vert. sect. at: 0.54-0.62 PS14/04485 Radiosonde RADIO 1988-11-14T10:30:00 -60.30000 -50.10000 PS14/140 Multiple investigations MULT 1988-11-14T12:27:00 -60.36000 -50.17000 -3472 PS14/04484 Radiosonde RADIO 1988-11-15T06:01:00 -60.30000 -50.10000 PS14/04483 Radiosonde RADIO 1988-11-15T10:25:00 -60.30000 -50.00000 PS14/141 Multiple investigations MULT 1988-11-15T18:27:00 -59.68167 -51.83500 -3143 PS14/04482 Radiosonde RADIO 1988-11-16T10:24:00 -58.60000 -54.80000 PS14/04481 Radiosonde RADIO 1988-11-17T10:30:00 -57.00000 -60.70000 n7230801 PS14/119 Sea ice corer SEAICEC 1992-11-04T10:00:00 -63.18000 -47.38000 air temp: -4/ice thickn: 3.74/snow thickn: 0.5/snow temp: -2.3/water temp: -1.8/Level floe; no internal ridges, ridges only along the perimeter <> 2. 0-0.03: very porous with numerous brine pockets <> 0.03-0.06: very clear ice, mellt layer <> 0.13-0.22: increasingy porous <> 0.24: gap of unknown width <> 0.24-0.37: pores and large brine pockets <> 0.37-0.44: occasional congelation growth <> 1.03-1.07: brine pockets <> 3. genetic ice class: pred. frazil <> 4. vert. sec. at: 0-0.1, 0.86-0.97