*2025/04/29 14:03:52.44 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2003/02/05 01:05:00.000 END TIME : UTC 2003/02/18 17:02:00.000 TIME ZERO : UTC 1980/01/01 00:00:00.000 NUMBER OF RECORDS : 77 DATA DESCRIPTION : Loop + Rosette FILE TYPE : ASCII NUMBER OF CHANNELS : 14 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ------------------------------ ------------ -------------- -------------- 1 Station n/a 2 Sample_Method n/a 3 Sample_Number n/a 13 291 4 Pressure:CTD decibar 0.6 11.5 5 Date YYYY/MM/DD 8436 8449 6 Time HH:MM 0 0.9993055 7 Latitude degrees 41 53.575 8 Longitude degrees -145.142 -123.501 9 Salinity:Bottle PSS-78 24.816 32.71 10 Nitrate_plus_Nitrite:Bottle umol/L 0.5 24.6 11 Silicate:Bottle umol/L 2.3 58.3 12 Phosphate:Bottle umol/L 0.47 2.06 13 Chlorophyll:Extracted:Bottle mg/m^3 0.13 1.03 14 Flag:Chlorophyll:Extracted n/a $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ---------- ---- -------------- 1 ' ' ' ' 8 NQ C ' ' 2 ' ' ' ' 4 NQ C ' ' 3 -99 ' ' 4 I I 0 4 -99 ' ' 7 F R4 1 5 ' ' ' ' ' ' YYYY/MM/DD D ' ' 6 ' ' ' ' ' ' HH:MM T ' ' 7 ' ' ' ' 8 F R4 3 8 ' ' ' ' 9 F R4 3 9 -99 ' ' 8 F R4 3 10 -99 ' ' 6 F R4 1 11 -99 ' ' 6 F R4 1 12 -99 ' ' 7 F R4 2 13 -99 ' ' 7 F R4 2 14 ' ' ' ' 2 NQ C ' ' $END $REMARKS Flag channels initialized with zeros. Non-zero values have the following significance: -------------------------------------------------------------------------------------- 1 = Sample for this measurement was drawn from water bottle but not analyzed (not normally used). 2 = Acceptable measurement (not normally used). 3 = Questionable measurement (no problem observed in sampling or analysis, but value is not trusted, nonetheless; includes outlyers). 4 = Bad measurement (known problem with sampling or analysis, but not serious enough to completely discard the value). 5 = Not reported (lost sample; unredeemably bad measurement). 6 = Mean of replicate measurements. 7 = Manual chromatographic peak measurement. 8 = Irregular digital chromatographic peak integration. 9 = Sample not drawn for this measurement from this bottle (not normally used). -------------------------------------------------------------------------------------- $END *ADMINISTRATION MISSION : 2003-01 AGENCY : IOS, Ocean Science and Productivity, Sidney, BC PROJECT : Line P SCIENTIST : Robert M. PLATFORM : John P. Tully *LOCATION GEOGRAPHIC AREA : N.E. Pacific EVENT NUMBER : 1 LATITUDE : 41 0.00000 N ! (deg min) LONGITUDE : 145 8.51990 W ! (deg min) LATITUDE 2 : 53 34.50005 N ! (deg min) LONGITUDE 2 : 123 30.05997 W ! (deg min) $REMARKS The Latitude, Longitude and Latitude 2, Longitude 2 pairs specify the bottom left-hand and top right-hand corners of the rectangle containing the cruise track. $END *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! ------------------------ ------ ---------- -------- --------- --------- SPRD2IS 4.3.1 2006/01/20 16:02:58 77 77 HDREDIT2 2.5.1 2006/01/20 16:12:24 ? ? CLEAN 4.8.1 2006/01/20 16:15:19 77 77 CHANGE_FLAGS 1.0 2013/07/16 11:47:13 77 77 CHANGE_CTD_CHANNEL_NAMES 1.0 2013/12/22 14:40:14 77 77 CHANGE_FLAGS 2.0 2014/11/20 09:53:43 77 77 HDREDIT2 3.2 2025/04/29 14:03:52 ? ? $END $REMARKS -HEADER EDITS: 2006/01/20 16:12:24 Applied edit header: O:\Data Processing\Header Comments\Work\2003-01-Loop.txt -CLEAN functions: 2006/01/20 16:15:19 Reset #RECS, MIN & MAX values in header. Set header Start and End times from the data. Set header Latitude and Longitude limits the data. -HEADER EDITS: 2025/04/29 14:03:52 Channel 2: Sample_Method [n/a] Format: ==> NQ Channel 4: Pressure:CTD [decibar] Name: Pressure ==> Pressure:CTD Channel 10: Nitrate_plus_Nitrite:Bottle [umol/L] Name: Nitrate_plus_Nitrite ==> Nitrate_plus_Nitrite:Bottle Channel 12: Phosphate:Bottle [umol/L] Name: Phosphate ==> Phosphate:Bottle Channel 11: Silicate:Bottle [umol/L] Name: Silicate ==> Silicate:Bottle Channel 13: Chlorophyll:Extracted:Bottle [mg/m^3] Name: Chlorophyll:Extracted ==> Chlorophyll:Extracted:Bottle $END *COMMENTS ==================================================================================== NOTE: Comparisons between loop and Niskin samples show chlorophyll loss in the loop. ==================================================================================== Station SI03: nuts frozen Station P21: USW loop chl low compared with Niskins Station P16: USW loop chl low compared with Niskins Station P14: USW loop chl low compared with Niskins Sample 244 : 10 m Niskin did not close Station P12: USW loop chl low compared with Niskins Sample 291 : nominal ctd depth Sampling Methods are expressed with the following codes ------------------------------------------------------- BOT - Bottle or Go-flow on wire BUC - Bucket PUM - Pump ROS - Rosette sample USW - Uncontaminated sea water (loop) ------------------------------------------------------- The USW samples are drawn from a pumped seawater supply provided to the ship laboratory from a nominal depth of 4.5 metres. Analysis methods: ----------------- Salinity samples are collected in glass bottles and analyzed on Guildline model 8410 Portasal Salinometers which are standardized with IAPSO standard seawater. Nutrient samples are analyzed fresh on board using a Technicon AAII auto- analyzer following methods described in Barwell-Clarke and Whitney (1996). Chlorophyll samples are collected in duplicate in calibrated polycarbonate bottles (~330ml), then filtered onto 25mm MFS GF/75 filters at <70mmHg vacuum. The filters are placed in glass scintillation vials and immediately frozen at -20ºC until analysis. The chlorophyll is extracted in 10 ml of 90% acetone for 24h at -20ºC, then brought to room temperature and the extract is decanted and measured using a Turner Designs 10-AU-005-CE fluorometer, which has been calibrated with solutions of commercially prepared chlorophyll. References: 1. Carpenter, J.H. 1965. The Chesapeake Bay Institute Technique for the Winkler Dissolved Oxygen Method. Limmnol. & Oceanogr., 10: 141-143. 2. J. Barwell-Clarke and F. Whitney. 1996. Institute of Ocean Sciences Nutrient Methods and Analysis. Canadian Technical Report of Hydrography and Ocean Sciences, No. 182, 43 pp. !---1--- -2- -3- --4--- ----5----- --6-- ---7--- ---8---- ---9--- --10- --11- --12-- --13-- - !Station Sam Sam Pressu Date Time Latitud Longitud Salinit Nitra Silic Phosph Chloro F ! ple ple re:CTD e e y: te_pl ate: ate: phyll: l ! _ _ Bottle ~Nitr Bottl Bottle Extrac ~ ! Met Num ite:B e ted: e ! hod ber ottle Bottle d !------- --- --- ------ ---------- ----- ------- -------- ------- ----- ----- ------ ------ - *END OF HEADER SI03 ROS 13 0.6 2003/02/05 01:05 48.593 -123.501 24.816 24.6 58.3 2.06 0.81 0 JF1 USW -99 4.5 2003/02/05 22:31 48.264 -123.503 30.999 21.8 37.6 1.85 0.39 3 JF2 USW -99 4.5 2003/02/06 00:07 48.300 -124.001 30.569 16.3 29.4 1.39 0.76 3 JF3 USW -99 4.5 2003/02/06 01:54 48.449 -124.501 30.278 13.8 26.0 1.24 0.52 3 JF4 USW -99 4.5 2003/02/06 03:29 48.538 -124.957 30.016 13.1 24.5 1.28 0.64 3 Loop 1 USW -99 4.5 2003/02/06 07:59 47.723 -125.421 32.317 7.3 7.3 0.89 0.33 3 Loop 2 USW -99 4.5 2003/02/06 11:59 46.910 -125.706 32.314 6.1 4.8 0.83 0.31 3 Loop 3 USW -99 4.5 2003/02/06 16:00 46.104 -125.994 31.369 5.6 5.1 0.82 0.50 3 Loop 4 USW -99 4.5 2003/02/06 20:00 45.314 -126.289 32.335 4.7 4.8 0.66 0.46 3 Loop 5 USW -99 4.5 2003/02/07 00:00 44.548 -126.320 32.359 4.7 4.6 0.76 0.51 3 Loop 6 USW -99 4.5 2003/02/07 04:03 43.738 -126.239 32.350 4.7 5.1 0.73 0.56 3 Loop 7 USW -99 4.5 2003/02/07 07:59 43.011 -126.204 32.360 4.0 5.5 0.66 0.28 3 Loop 8 USW -99 4.5 2003/02/07 12:00 42.197 -126.127 32.419 3.0 6.0 0.64 0.42 3 Loop 9 USW -99 4.5 2003/02/07 16:05 41.376 -126.029 32.258 3.1 6.0 0.59 0.81 3 Argo 5 ROS 32 9.5 2003/02/07 20:06 41.000 -126.001 32.415 1.0 2.7 0.54 0.64 0 Loop 10 USW -99 4.5 2003/02/07 20:05 41.000 -126.000 32.415 1.1 2.7 0.53 0.38 3 Loop 11 USW -99 4.5 2003/02/07 23:59 41.112 -126.762 32.395 1.5 3.1 0.51 0.42 3 Loop 12 USW -99 4.5 2003/02/08 04:00 41.273 -127.682 32.426 1.8 2.3 0.57 0.13 3 Loop 13 USW -99 4.5 2003/02/08 08:03 41.418 -128.587 32.427 3.0 3.1 0.62 0.34 3 Argo 4 ROS 52 11.0 2003/02/08 12:28 41.489 -129.035 32.522 0.9 2.6 0.49 0.27 0 Loop 14 USW -99 4.5 2003/02/08 16:00 41.579 -129.776 32.509 0.9 2.7 0.49 0.26 3 loop 15 USW -99 4.5 2003/02/08 20:00 41.743 -130.638 32.491 0.5 2.9 0.47 0.24 3 loop 16 USW -99 4.5 2003/02/08 23:59 41.912 -131.490 32.548 1.1 2.9 0.49 0.23 3 Argo 3 ROS 72 11.5 2003/02/09 05:40 41.999 -131.999 32.577 1.6 3.1 0.50 0.30 0 loop 17 USW -99 4.5 2003/02/09 05:40 41.999 -131.999 32.577 1.4 2.7 0.50 0.13 3 loop 18 USW -99 4.5 2003/02/09 08:00 42.064 -132.438 32.558 1.7 2.9 0.51 0.17 3 loop 19 USW -99 4.5 2003/02/09 12:00 42.240 -133.286 32.510 0.9 2.3 0.52 0.22 3 loop 20 USW -99 4.5 2003/02/09 16:00 42.379 -134.178 32.520 3.2 3.4 0.61 0.18 3 Argo 2 ROS 92 9.7 2003/02/09 21:46 42.500 -135.000 32.629 1.6 3.9 0.50 0.27 0 loop 21 USW -99 4.5 2003/02/09 23:59 42.567 -135.449 32.689 1.9 2.9 0.49 0.15 3 loop 22 USW -99 4.5 2003/02/10 04:00 42.717 -136.387 32.710 2.0 3.1 0.50 0.14 3 loop 23 USW -99 4.5 2003/02/10 07:58 42.897 -137.317 32.571 3.4 3.4 0.60 0.19 3 Argo 1 ROS 112 10.8 2003/02/10 13:04 43.000 -138.000 32.552 4.4 4.6 0.69 0.27 0 loop 24 USW -99 4.5 2003/02/10 16:00 43.345 -138.399 32.361 4.4 5.6 0.68 0.16 3 loop 25 USW -99 4.5 2003/02/10 20:00 43.893 -139.004 32.617 4.3 4.2 0.65 0.20 3 loop 26 USW -99 4.5 2003/02/11 00:00 44.437 -139.593 32.595 4.7 4.9 0.73 0.17 3 loop 27 USW -99 4.5 2003/02/11 04:00 44.989 -140.217 32.571 6.3 6.0 0.79 0.17 3 loop 28 USW -99 4.5 2003/02/11 08:00 45.526 -140.832 32.619 6.6 6.2 0.80 0.24 3 loop 29 USW -99 4.5 2003/02/11 12:00 46.067 -141.472 32.571 8.8 9.2 0.98 0.37 3 loop 30 USW -99 4.5 2003/02/11 16:00 46.610 -142.118 32.501 8.4 8.4 0.93 0.28 3 loop 31 USW -99 4.5 2003/02/11 20:07 47.163 -142.777 32.522 9.1 9.4 0.98 0.30 3 loop 32 USW -99 4.5 2003/02/12 00:00 47.705 -143.422 32.549 10.8 13.5 1.12 0.35 3 loop 33 USW -99 4.5 2003/02/12 04:00 48.236 -144.045 32.520 13.0 16.0 1.27 0.23 3 loop 34 USW -99 4.5 2003/02/12 08:10 48.790 -144.745 32.551 14.2 18.2 1.32 0.30 3 loop 35 USW -99 4.5 2003/02/12 12:00 49.350 -145.142 32.575 14.9 19.7 1.41 0.25 3 P26 USW -99 4.5 2003/02/13 03:58 50.003 -144.999 32.594 15.6 22.1 1.38 0.20 3 P26 ROS 160 9.2 2003/02/13 03:58 50.003 -144.999 32.594 15.4 22.6 1.36 0.30 0 P35 ROS 162 10.3 2003/02/13 18:04 50.006 -144.294 32.569 15.5 21.3 1.41 0.30 0 P25 ROS 163 10.7 2003/02/13 21:50 50.000 -143.605 32.563 15.6 26.1 1.42 0.37 0 P24 ROS 164 10.8 2003/02/14 02:34 49.837 -142.667 32.538 15.2 21.2 1.37 0.29 0 P23 ROS 165 10.4 2003/02/14 07:34 49.767 -141.667 32.515 12.7 15.9 1.24 0.42 0 P22 ROS 166 10.5 2003/02/14 12:47 49.700 -140.667 32.470 10.3 11.7 1.09 0.23 0 P21 USW -99 4.5 2003/02/14 17:37 49.633 -139.667 32.470 12.0 14.2 1.21 0.16 3 P21 ROS 167 11.3 2003/02/14 17:37 49.633 -139.667 32.470 12.1 14.0 1.21 0.23 0 P20 ROS 190 9.8 2003/02/15 01:30 49.567 -138.667 32.433 8.6 10.9 0.97 0.32 0 P19 ROS 192 9.8 2003/02/15 10:12 49.500 -137.667 32.369 9.8 11.2 1.06 0.17 0 P18 ROS 193 10.6 2003/02/15 15:01 49.433 -136.667 32.373 9.6 10.5 1.07 0.38 0 P17 ROS 194 10.1 2003/02/15 19:56 49.321 -135.659 32.356 9.2 10.3 1.03 0.46 0 P16 ROS 217 10.4 2003/02/16 02:51 49.284 -134.667 32.357 9.1 10.7 1.02 0.36 0 P16 USW -99 4.5 2003/02/16 02:51 49.284 -134.667 32.355 8.8 9.1 1.01 0.18 3 P15 ROS 219 10.2 2003/02/16 11:25 49.200 -133.667 32.390 8.4 8.5 0.99 0.33 0 P14 ROS 220 9.5 2003/02/16 16:29 49.124 -132.667 32.332 8.7 9.2 1.02 0.32 0 P14 USW -99 4.5 2003/02/16 16:29 49.124 -132.667 32.329 8.6 8.2 1.01 0.22 3 P13 ROS 221 9.9 2003/02/16 21:41 49.043 -131.667 32.324 8.3 7.6 0.99 0.33 0 P12 ROS 244 2.4 2003/02/17 02:18 48.970 -130.666 32.303 8.9 9.3 1.03 0.42 0 P12 USW -99 4.5 2003/02/17 04:25 48.971 -130.667 32.291 9.1 10.2 1.07 0.31 3 P11 ROS 245 9.7 2003/02/17 10:48 48.934 -130.165 32.302 8.3 8.5 0.99 0.66 0 P10 ROS 246 10.4 2003/02/17 13:47 48.894 -129.667 32.316 9.2 9.4 1.05 0.44 0 P9 ROS 247 11.2 2003/02/17 16:56 48.857 -129.167 32.310 9.0 9.4 1.04 0.65 0 P8 ROS 265 9.2 2003/02/17 21:12 48.818 -128.668 32.290 8.2 8.1 0.99 0.71 0 P7 ROS 267 10.0 2003/02/18 00:34 48.777 -128.166 32.338 6.4 5.4 0.87 0.36 0 P6 ROS 268 10.5 2003/02/18 03:35 48.744 -127.667 32.327 6.7 6.0 0.90 0.52 0 P5 ROS 269 10.4 2003/02/18 06:47 48.692 -127.163 32.312 6.5 6.0 0.88 0.77 0 P4 ROS 287 9.8 2003/02/18 10:42 48.650 -126.667 32.314 6.9 6.2 0.89 0.81 0 P3 ROS 289 10.7 2003/02/18 12:48 48.625 -126.334 32.239 6.6 7.3 0.88 0.96 0 P2 ROS 290 10.8 2003/02/18 14:39 48.602 -126.001 32.111 9.1 11.5 1.02 0.28 0 P1 ROS 291 10.0 2003/02/18 17:02 53.575 -125.500 30.691 14.6 26.2 1.31 1.03 0