*2017/06/29 15:26:51.16 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2017/02/18 23:36:11.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 100 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : CE40ED6D NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------------- --------------- -------------- -------------- 1 Pressure:CTD dbar 1.4 100.1 2 Temperature:CTD deg_C_(ITS90) 9.4059 9.6716 3 Salinity:CTD PSS-78 32.4825 32.9129 4 Sigma-t:CTD kg/m^3 25.0699 25.4347 5 Oxygen:Dissolved:CTD:Volume ml/l 5.19 6.4 6 Oxygen:Dissolved:CTD:Mass µmol/kg 226 278.6 7 Fluorescence:CTD:Seapoint mg/m^3 0.187 0.949 8 PAR:CTD µE/m^2/sec 0.2 215.9 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 7 F ' ' 1 2 -99 ' ' 9 F ' ' 4 3 -99 ' ' 9 F ' ' 4 4 -99 ' ' 9 F R4 4 5 -99 ' ' 7 F ' ' 2 6 -99 ' ' 6 F ' ' 1 7 -99 ' ' 8 F ' ' 3 8 -99 ' ' 7 F ' ' 1 $END *ADMINISTRATION MISSION : 2017-001 AGENCY : IOS, Ocean Sciences Division, Sidney, B.C. COUNTRY : Canada PROJECT : Line P SCIENTIST : Robert M. PLATFORM : John P. Tully *LOCATION GEOGRAPHIC AREA : North-East Pacific STATION : P2 EVENT NUMBER : 101 LATITUDE : 48 35.99000 N ! (deg min) LONGITUDE : 126 0.02000 W ! (deg min) WATER DEPTH : 115 *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-911plus SERIAL NUMBER : 0506 LOCATION : Mid-ship ! custom item *COMMENTS The descent rate of the CTD was very low and noisy. CTDEDIT was used to remove records corrupted by shed wakes; salinity was cleaned lightly. Data Processing Notes: ---------------------- Fluorescence and PAR data are nominal and unedited except that some records were removed in editing temperature and salinity and a large spike in fluorescence was removed from file 0032. The Transmissivity channel was removed because of frequent shifts in values during casts and large variations between values during repeat casts. The data are available, by request, from the chief scientist. NOTE: While the Fluorescence:CTD data are expressed in concentration units, they do not always compare well to extracted chlorophyll samples, particularly for casts far from shore. It is recommended that users check extracted chlorophyll values where available. Oxygen:Dissolved:CTD was calibrated using the method described in Sea-Bird Application Note #64-2, June 2012 revision (Sea-Bird_64-2_Jun2012.pdf), except that a small offset in the fit was allowed. The Dissolved Oxygen sensor used in files 0001, 0002 and 0016 malfunctioned so the Oxygen:Dissolved:CTD channels were removed from those files. The Oxygen:Dissolved:CTD sensor has a fairly long response time so data accuracy is not as high when it is in motion as it is during stops for bottles. This will be especially true when vertical dissolved oxygen gradients are large. To get an estimate of the accuracy of the Oxygen:Dissolved:CTD data during downcasts (after recalibration) a rough comparison was made between downcast Oxygen:Dissolved:CTD data and upcast titrated samples. Some of the difference will be due to problems with flushing of Niskin bottles and/or analysis errors, so the following statement likely underestimates Oxygen:Dissolved:CTD accuracy. Downcast (CTD files) Oxygen:Dissolved:CTD data are considered, very roughly, to be: ±0.25 ml/l from 0 to 125 dbar. ±0.2 ml/l from 125 to 400 dbar. ±0.1 ml/l from 400 to 600 dbar. ±0.05 ml/l from 600 to 1500 dbar. Low by up to 0.08 ml/l below 1500 dbar. For details on the processing see document: 2017-001-proc.pdf. !--1--- ---2---- ---3---- ---4---- --5--- --6-- ---7--- --8--- !Pressu Temperat Salinity Sigma-t: Oxygen Oxyge Fluores PAR: !re:CTD ure:CTD :CTD CTD :Disso n:Dis cence: CTD ! lved: solve CTD: ! CTD: d:CTD Seapoin ! Volume :Mass t !------ -------- -------- -------- ------ ----- ------- ------ *END OF HEADER 1.4 9.6674 32.4864 25.0703 6.35 276.7 0.622 215.9 2.0 9.6663 32.4868 25.0708 6.36 277.1 0.636 197.0 3.0 9.6716 32.4867 25.0699 6.34 276.1 0.629 170.1 4.0 9.6638 32.4866 25.0711 6.35 276.4 0.638 146.5 5.0 9.6643 32.4864 25.0708 6.34 276.2 0.688 115.2 6.0 9.6455 32.4872 25.0745 6.31 274.9 0.687 102.0 6.8 9.5299 32.4858 25.0921 6.34 276.1 0.753 84.8 8.0 9.4980 32.4825 25.0946 6.36 277.1 0.780 77.9 9.0 9.4847 32.4825 25.0968 6.35 276.7 0.795 72.4 9.8 9.4791 32.4827 25.0978 6.36 277.1 0.819 70.8 11.0 9.4749 32.4830 25.0987 6.39 278.1 0.816 59.6 12.0 9.4670 32.4832 25.1001 6.40 278.6 0.805 48.8 13.0 9.4615 32.4838 25.1015 6.39 278.2 0.802 43.4 14.0 9.4578 32.4846 25.1027 6.38 277.8 0.817 39.4 14.8 9.4577 32.4854 25.1034 6.38 278.0 0.819 37.1 16.1 9.4582 32.4860 25.1037 6.37 277.3 0.874 39.3 17.0 9.4574 32.4867 25.1044 6.36 277.0 0.875 36.1 18.0 9.4579 32.4871 25.1047 6.37 277.2 0.868 32.8 19.0 9.4583 32.4876 25.1050 6.36 277.0 0.857 29.9 20.0 9.4588 32.4881 25.1053 6.37 277.5 0.875 27.1 20.8 9.4613 32.4899 25.1063 6.36 277.2 0.861 25.8 22.0 9.4671 32.4926 25.1075 6.35 276.7 0.949 26.1 23.0 9.4712 32.4954 25.1090 6.34 276.2 0.901 24.2 24.0 9.4719 32.4962 25.1095 6.33 275.8 0.884 22.5 25.0 9.4729 32.4969 25.1099 6.34 276.0 0.868 21.6 25.9 9.4750 32.4988 25.1111 6.33 275.5 0.876 21.1 27.0 9.4744 32.5003 25.1123 6.31 274.7 0.866 20.0 28.0 9.4731 32.5013 25.1133 6.30 274.2 0.847 18.3 29.0 9.4698 32.5030 25.1152 6.31 274.8 0.857 17.4 29.9 9.4641 32.5051 25.1177 6.31 274.9 0.849 17.3 31.0 9.4627 32.5055 25.1183 6.30 274.4 0.898 16.5 32.0 9.4604 32.5060 25.1190 6.29 273.8 0.922 15.7 33.0 9.4570 32.5070 25.1203 6.29 273.8 0.857 14.6 34.0 9.4535 32.5082 25.1218 6.30 274.2 0.864 13.5 35.0 9.4510 32.5095 25.1233 6.29 274.1 0.832 12.8 36.0 9.4489 32.5110 25.1248 6.29 273.8 0.843 12.6 37.0 9.4465 32.5123 25.1262 6.27 273.2 0.795 11.7 38.0 9.4450 32.5129 25.1269 6.28 273.3 0.785 11.0 39.0 9.4437 32.5136 25.1276 6.26 272.7 0.774 10.5 39.9 9.4425 32.5142 25.1283 6.25 272.1 0.743 10.0 41.0 9.4417 32.5149 25.1290 6.24 271.8 0.760 9.2 42.0 9.4411 32.5154 25.1295 6.25 272.3 0.745 8.5 43.0 9.4390 32.5171 25.1311 6.26 272.4 0.755 8.0 44.0 9.4378 32.5182 25.1322 6.26 272.7 0.759 7.5 45.0 9.4359 32.5200 25.1339 6.26 272.5 0.741 7.2 46.0 9.4347 32.5212 25.1350 6.25 272.0 0.714 6.9 47.0 9.4339 32.5219 25.1357 6.25 272.3 0.711 6.5 48.0 9.4335 32.5223 25.1361 6.25 272.4 0.709 6.1 49.0 9.4331 32.5224 25.1362 6.26 272.4 0.698 5.6 50.0 9.4329 32.5225 25.1363 6.25 272.1 0.693 5.2 51.0 9.4323 32.5228 25.1366 6.25 272.0 0.727 4.9 52.0 9.4314 32.5237 25.1375 6.24 271.5 0.698 4.5 53.0 9.4314 32.5242 25.1379 6.23 271.4 0.680 4.3 54.0 9.4303 32.5250 25.1387 6.23 271.4 0.698 4.1 55.0 9.4297 32.5254 25.1391 6.22 270.7 0.669 3.9 56.0 9.4295 32.5262 25.1397 6.22 270.9 0.678 3.6 57.0 9.4275 32.5286 25.1419 6.23 271.1 0.654 3.3 58.0 9.4253 32.5308 25.1440 6.21 270.6 0.630 3.1 59.0 9.4226 32.5351 25.1478 6.20 269.9 0.600 2.9 60.0 9.4195 32.5422 25.1539 6.18 269.2 0.598 2.7 60.9 9.4163 32.5479 25.1588 6.18 269.2 0.577 2.5 62.0 9.4143 32.5520 25.1623 6.16 268.3 0.559 2.4 63.0 9.4132 32.5678 25.1749 6.12 266.6 0.535 2.3 64.0 9.4130 32.5846 25.1880 6.08 264.6 0.500 2.1 65.0 9.4107 32.5989 25.1996 6.02 262.3 0.470 2.0 66.0 9.4101 32.6082 25.2069 5.99 260.7 0.458 1.8 67.0 9.4094 32.6131 25.2109 5.98 260.3 0.452 1.7 68.0 9.4085 32.6181 25.2149 5.96 259.8 0.450 1.6 69.0 9.4080 32.6220 25.2181 5.97 259.9 0.454 1.5 70.0 9.4080 32.6256 25.2209 5.97 259.9 0.419 1.4 71.0 9.4073 32.6272 25.2222 5.96 259.7 0.421 1.4 72.0 9.4070 32.6296 25.2242 5.95 259.1 0.417 1.3 73.0 9.4070 32.6309 25.2252 5.95 259.2 0.408 1.2 74.0 9.4071 32.6322 25.2262 5.94 258.5 0.404 1.1 75.0 9.4071 32.6334 25.2271 5.93 258.4 0.402 1.0 76.0 9.4079 32.6349 25.2282 5.93 258.3 0.391 1.0 77.0 9.4071 32.6414 25.2334 5.92 258.0 0.387 0.9 77.5 9.4064 32.6428 25.2346 5.92 258.0 0.393 0.9 79.1 9.4059 32.6506 25.2408 5.90 256.8 0.381 0.8 80.1 9.4062 32.6579 25.2464 5.88 255.9 0.378 0.7 80.9 9.4078 32.6691 25.2549 5.84 254.2 0.362 0.7 82.0 9.4091 32.6794 25.2628 5.81 252.9 0.359 0.7 83.0 9.4119 32.6944 25.2740 5.78 251.6 0.355 0.6 84.0 9.4134 32.7074 25.2840 5.75 250.2 0.347 0.6 85.0 9.4130 32.7203 25.2941 5.71 248.4 0.321 0.5 86.0 9.4145 32.7354 25.3057 5.67 246.8 0.308 0.5 87.0 9.4171 32.7447 25.3125 5.63 245.1 0.298 0.5 88.0 9.4176 32.7520 25.3181 5.62 244.6 0.484 0.4 89.0 9.4320 32.7814 25.3388 5.56 242.2 0.264 0.4 90.4 9.4717 32.8158 25.3593 5.45 237.1 0.255 0.4 90.9 9.4775 32.8266 25.3668 5.41 235.7 0.229 0.4 92.0 9.4904 32.8409 25.3759 5.39 234.6 0.221 0.3 93.0 9.4992 32.8479 25.3800 5.37 234.0 0.214 0.3 94.0 9.5027 32.8491 25.3803 5.36 233.4 0.215 0.3 95.0 9.5126 32.8595 25.3869 5.34 232.5 0.207 0.3 95.9 9.5248 32.8693 25.3926 5.32 231.8 0.204 0.2 97.0 9.5404 32.8876 25.4043 5.26 228.9 0.196 0.2 98.0 9.5267 32.8978 25.4145 5.21 226.7 0.189 0.2 99.0 9.4924 32.9056 25.4262 5.20 226.6 0.188 0.2 100.1 9.4747 32.9129 25.4347 5.19 226.0 0.187 0.2