*2025/05/09 13:57:13.23 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 1977/05/06 16:50:00.000 END TIME : UTC 1977/06/23 13:30:00.000 TIME ZERO : UTC 1980/01/01 00:00:00.000 NUMBER OF RECORDS : 112 DATA DESCRIPTION : Loop FILE TYPE : ASCII NUMBER OF CHANNELS : 15 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------------------- ------------ -------------- -------------- 1 Station n/a 2 Sample_Method n/a 3 Depth metres 0 0 4 Date YYYY/MM/DD -970 -922 5 Time HH:MM 0 0.9930556 6 Latitude degrees 48.267 50 7 Longitude degrees -145 -123.5 8 Temperature:Bucket 'deg C' 5.5 12.6 9 Salinity:Bottle ppt 30.095 32.787 10 Nitrate_plus_Nitrite:Bottle umol/L 0.1 18.2 11 Flag:Nitrate_plus_Nitrite:Bottle n/a 12 Silicate:Bottle umol/L 2.5 33.8 13 Flag:Silicate:Bottle n/a 14 Phosphate:Bottle umol/L 0.42 1.77 15 Flag:Phosphate:Bottle n/a $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ---------- ---- -------------- 1 ' ' ' ' 8 NQ C ' ' 2 ' ' ' ' 5 NQ C ' ' 3 -99 ' ' 7 F R4 1 4 ' ' ' ' ' ' YYYY/MM/DD D ' ' 5 ' ' ' ' ' ' HH:MM T ' ' 6 -99 ' ' 8 F R4 3 7 -99 ' ' 9 F R4 3 8 -99 ' ' 6 F R4 1 9 -99 ' ' 8 F R4 3 10 -99 ' ' 6 F R4 1 11 ' ' ' ' 3 NQ C ' ' 12 -99 ' ' 6 F R4 1 13 ' ' ' ' 3 NQ C ' ' 14 -99 ' ' 7 F R4 2 15 ' ' ' ' 3 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 : 1977-04 AGENCY : IOS, Offshore Oceanography, Sidney, B.C. COUNTRY : Canada PROJECT : Station P SCIENTIST : Whitehouse B. PLATFORM : Quadra *LOCATION GEOGRAPHIC AREA : NE PACIFIC EVENT NUMBER : 1 LATITUDE : 48 16.01990 N ! (deg min) LONGITUDE : 145 0.00000 W ! (deg min) LATITUDE 2 : 50 0.00000 N ! (deg min) LONGITUDE 2 : 123 30.00000 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 4.5 2010/04/02 12:59:05 112 112 HDREDIT2 2.5.1 2010/04/02 13:04:00 ? ? CLEAN 5.0.2 2010/04/02 13:04:32 112 112 CHANGE_FLAGS 1.0 2013/07/16 11:43:19 112 112 CHANGE_CTD_CHANNEL_NAMES 1.0 2013/12/17 16:00:16 112 112 CHANGE_FLAGS 2.0 2014/11/20 09:49:57 112 112 ADDCHANS 1.4 2025/05/09 13:21:38 ? ? HDREDIT2 3.2 2025/05/09 13:57:13 ? ? $END $REMARKS -HEADER EDITS: 2010/04/02 13:04:00 Applied edit header: O:\Data Processing\Header Comments\Work\1977-04-Loop.txt -CLEAN functions: 2010/04/02 13:04:32 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: 2025/05/09 13:57:13 Applied edit header: C:\Users\huntingtons\Desktop\Misc_Corrections\Loop_file_archive_corrections\ COMMENTS_hdr.TXT Channel 10: Nitrate_plus_Nitrite:Bottle [umol/L] Name: Nitrate_plus_Nitrite ==> Nitrate_plus_Nitrite:Bottle Channel 11: Flag:Nitrate_plus_Nitrite:Bottle [n/a] Name: Flag:Nitrate_plus_Nitrite ==> Flag:Nitrate_plus_Nitrite:Bottle Channel 12: Silicate:Bottle [umol/L] Name: Silicate ==> Silicate:Bottle Channel 13: Flag:Silicate:Bottle [n/a] Name: Flag:Silicate ==> Flag:Silicate:Bottle Channel 14: Phosphate:Bottle [umol/L] Name: Phosphate ==> Phosphate:Bottle Channel 15: Flag:Phosphate:Bottle [n/a] Name: Flag:Phosphate ==> Flag:Phosphate:Bottle $END *COMMENTS Sample collection methods: -------------------------- Temperature surface (o metres) samples were obtained from a bucket. Salinity surface sample were obtained from a seawater loop. Analyzes methods: ----------------- Surface water temperatures were measured from a bucket sample using a deck thermometer of +-0.1 degrees Celsius accuracy. The salinity determinations were made at sea using with either an Auto- Lab Model 601 MK III inductive salinometer or a Hytech Model 6220 lab salinometer. Accuracy using duplicate determinations is estimated to be +/- 0.003 ppt. Nutrient samples were frozen for analyzes ashore. Nutrients were analyzed using methods from Bulletin 125 Fisheries Research Board of Canada 1960 "A manual of seawater analysis" J.D.H. Strickland and T.R. Parsons, and subsequent editions. References: 1. 1977. Oceanographic Observations at Ocean Station P (50 N, 145 W). Volume 82. May 6 - June 23, 1977. Pacific Marine Science Report 77-18. 2. Carpenter, J.H. 1965. The Chesapeake Bay Institute Technique for the Winkler Dissolved Oxygen Method. Limmnol. & Oceanogr., 10: 141-143. 3. Strickland, J.D.H., and T.R. Parsons. 1968. A Practical Handbook of Seawater Analysis. Bullettin 167. Fisheries Research Board, Canada. 4. Strickland, J.D.H., and T.R. Parsons. 1972. A Practical Handbook of Seawater Analysis. Bullettin 167 (2nd edition). Fisheries Research Board, Canada. 5. Above references @Institute of Ocean Sciences Library, Sidney, B.C. 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) ------------------------------------------------------- !---1--- -2-- --3--- ----4----- --5-- ---6--- ---7---- --8-- ---9--- --10- 11 --12- 13 --14-- 15 !Station Samp Depth Date Time Latitud Longitud Tempe Salinit Nitra Fl Silic Fl Phosph Fl ! le_ e e ratur y: te_pl ag ate: ag ate: ag ! Meth e: Bottle ~Nitr ~o Bottl ~o Bottle ~o ! od Bucke ite:B tt e tt tt ! t ottle le le le !------- ---- ------ ---------- ----- ------- -------- ----- ------- ----- -- ----- -- ------ -- *END OF HEADER WJF1 USW 0.0 1977/05/06 16:50 48.267 -123.500 -99.0 31.721 -99.0 0 -99.0 0 -99.00 0 WJF2 USW 0.0 1977/05/06 18:02 48.300 -124.000 -99.0 31.546 -99.0 0 -99.0 0 -99.00 0 WJF3 USW 0.0 1977/05/06 19:23 48.450 -124.500 -99.0 31.243 -99.0 0 -99.0 0 -99.00 0 WJF4 USW 0.0 1977/05/06 20:43 48.538 -125.000 -99.0 30.095 -99.0 0 -99.0 0 -99.00 0 WP01 USW 0.0 1977/05/06 22:15 48.550 -125.550 10.5 31.892 1.4 6 8.5 6 0.66 6 WP02 USW 0.0 1977/05/06 23:50 48.633 -126.000 10.1 31.954 0.1 6 5.7 6 0.59 6 WP03 USW 0.0 1977/05/07 02:30 48.700 -126.667 10.0 32.120 1.5 6 7.9 6 0.68 6 WP04 USW 0.0 1977/05/07 06:20 48.767 -127.667 9.5 32.207 2.1 6 8.4 6 0.72 6 WP05 USW 0.0 1977/05/07 09:45 48.850 -128.667 9.0 32.386 4.5 6 11.2 6 0.85 6 WP055 USW 0.0 1977/05/07 13:30 48.950 -129.667 -99.0 32.477 -99.0 0 -99.0 0 -99.00 0 WP06 USW 0.0 1977/05/07 16:35 49.033 -130.667 9.2 32.465 5.7 6 10.9 6 0.90 6 WP065 USW 0.0 1977/05/07 20:30 49.100 -131.667 -99.0 32.392 -99.0 0 -99.0 0 -99.00 0 WP07 USW 0.0 1977/05/07 23:40 49.167 -132.667 9.0 32.477 6.4 6 11.5 6 0.96 6 WP075 USW 0.0 1977/05/08 03:30 49.233 -133.667 -99.0 32.448 -99.0 0 -99.0 0 -99.00 0 WP08 USW 0.0 1977/05/08 06:10 49.283 -134.667 8.5 32.473 7.6 6 13.6 6 1.03 6 WP085 USW 0.0 1977/05/08 10:30 49.350 -135.667 -99.0 32.539 -99.0 0 -99.0 0 -99.00 0 WP09 USW 0.0 1977/05/08 13:20 49.433 -136.667 7.7 32.568 10.6 6 17.0 6 1.21 6 WP095 USW 0.0 1977/05/08 16:50 49.500 -137.667 -99.0 32.574 -99.0 0 -99.0 0 -99.00 0 WP10 USW 0.0 1977/05/08 19:45 49.567 -138.667 7.3 32.606 12.8 6 20.2 6 1.31 6 WP105 USW 0.0 1977/05/09 01:15 49.633 -139.667 7.0 32.619 -99.0 0 -99.0 0 -99.00 0 WP11 USW 0.0 1977/05/09 04:05 49.683 -140.667 7.0 32.667 13.3 6 21.9 6 1.39 6 WP115 USW 0.0 1977/05/09 07:45 49.750 -141.667 7.0 32.645 -99.0 0 -99.0 0 -99.00 0 WP12 USW 0.0 1977/05/09 12:00 49.817 -142.667 7.0 32.705 13.5 6 23.1 6 1.38 6 WP125 USW 0.0 1977/05/09 17:10 49.917 -143.667 7.0 32.716 -99.0 0 -99.0 0 -99.00 0 WP26 USW 0.0 1977/05/11 00:00 50.000 -145.000 6.0 32.707 15.8 6 28.9 6 1.52 6 WP26 USW 0.0 1977/05/12 00:00 50.000 -145.000 6.0 32.693 15.6 6 28.6 6 1.54 6 WP26 USW 0.0 1977/05/13 00:00 50.000 -145.000 5.9 32.706 16.8 6 28.4 6 1.52 6 WP26 USW 0.0 1977/05/14 00:00 50.000 -145.000 5.5 32.772 17.9 6 33.1 6 1.67 6 WP26 USW 0.0 1977/05/14 18:35 50.000 -145.000 5.7 32.730 -99.0 0 -99.0 0 -99.00 0 WP26 USW 0.0 1977/05/15 00:00 50.000 -145.000 6.0 32.729 16.2 6 29.5 6 1.60 6 WP26 USW 0.0 1977/05/16 00:00 50.000 -145.000 6.1 32.723 15.7 6 28.5 6 1.57 6 WP26 USW 0.0 1977/05/17 00:00 50.000 -145.000 6.1 32.714 15.9 6 29.1 6 1.61 6 WP26 USW 0.0 1977/05/18 00:00 50.000 -145.000 6.2 32.709 16.3 6 30.1 6 1.63 6 WP26 USW 0.0 1977/05/19 00:00 50.000 -145.000 6.2 32.696 15.6 6 28.5 6 1.60 6 WP26 USW 0.0 1977/05/20 00:00 50.000 -145.000 6.4 32.687 14.7 6 27.1 6 1.56 6 WP26 USW 0.0 1977/05/21 00:00 50.000 -145.000 6.2 32.717 16.0 6 29.0 6 1.61 6 WP26 USW 0.0 1977/05/22 00:00 50.000 -145.000 6.4 32.690 15.8 6 26.8 6 1.58 6 WP26 USW 0.0 1977/05/23 00:00 50.000 -145.000 6.3 32.697 15.3 6 27.9 6 1.54 6 WP26 USW 0.0 1977/05/24 00:00 50.000 -145.000 5.9 32.787 18.2 6 33.8 6 1.77 6 WP26 USW 0.0 1977/05/25 00:00 50.000 -145.000 6.9 32.755 17.5 6 32.2 6 1.75 6 WP26 USW 0.0 1977/05/26 00:00 50.000 -145.000 6.3 32.694 15.0 6 26.7 6 1.55 6 WP26 USW 0.0 1977/05/27 00:00 50.000 -145.000 6.3 32.745 17.1 6 31.4 6 1.66 6 WP26 USW 0.0 1977/05/28 00:00 50.000 -145.000 6.5 32.697 14.8 6 26.9 6 1.54 6 WP26 USW 0.0 1977/05/29 00:00 50.000 -145.000 7.0 32.712 14.9 6 27.1 6 1.59 6 WP26 USW 0.0 1977/05/30 00:00 50.000 -145.000 7.6 32.702 14.9 6 27.8 6 1.52 6 WP26 USW 0.0 1977/05/31 00:00 50.000 -145.000 8.5 32.702 14.9 6 27.2 6 1.54 6 WP26 USW 0.0 1977/06/01 00:00 50.000 -145.000 7.5 32.730 16.3 6 28.3 6 1.60 6 WP26 USW 0.0 1977/06/01 18:00 50.000 -145.000 7.2 -99.000 15.4 6 27.9 6 1.44 6 WP26 USW 0.0 1977/06/01 19:00 50.000 -145.000 7.2 -99.000 15.5 6 27.8 6 1.57 6 WP26 USW 0.0 1977/06/01 20:00 50.000 -145.000 7.3 -99.000 15.8 6 27.8 6 1.50 6 WP26 USW 0.0 1977/06/01 21:00 50.000 -145.000 7.4 -99.000 15.9 6 28.2 6 1.56 6 WP26 USW 0.0 1977/06/01 22:00 50.000 -145.000 7.5 -99.000 15.5 6 28.0 6 1.57 6 WP26 USW 0.0 1977/06/01 23:00 50.000 -145.000 7.5 -99.000 15.5 6 27.8 6 1.51 6 WP26 USW 0.0 1977/06/02 00:00 50.000 -145.000 7.5 32.726 15.4 6 27.6 6 1.27 6 WP26 USW 0.0 1977/06/02 01:00 50.000 -145.000 7.5 -99.000 15.5 6 27.4 6 1.55 6 WP26 USW 0.0 1977/06/02 02:00 50.000 -145.000 7.6 -99.000 15.4 6 27.9 6 1.42 6 WP26 USW 0.0 1977/06/02 03:00 50.000 -145.000 7.5 -99.000 15.3 6 27.5 6 1.55 6 WP26 USW 0.0 1977/06/02 04:00 50.000 -145.000 7.4 -99.000 15.3 6 27.4 6 1.52 6 WP26 USW 0.0 1977/06/02 05:00 50.000 -145.000 7.7 -99.000 15.1 6 27.5 6 1.55 6 WP26 USW 0.0 1977/06/02 06:00 50.000 -145.000 7.7 -99.000 14.6 6 26.5 6 1.59 6 WP26 USW 0.0 1977/06/02 07:00 50.000 -145.000 7.7 -99.000 14.8 6 26.8 6 1.64 6 WP26 USW 0.0 1977/06/02 08:00 50.000 -145.000 7.5 -99.000 14.7 6 26.6 6 1.50 6 WP26 USW 0.0 1977/06/02 09:00 50.000 -145.000 7.7 -99.000 14.8 6 26.7 6 1.56 6 WP26 USW 0.0 1977/06/02 10:00 50.000 -145.000 7.5 -99.000 14.8 6 26.8 6 1.59 6 WP26 USW 0.0 1977/06/02 11:00 50.000 -145.000 7.7 -99.000 14.0 6 26.4 6 1.55 6 WP26 USW 0.0 1977/06/02 12:00 50.000 -145.000 7.6 -99.000 12.5 6 23.1 6 1.41 6 WP26 USW 0.0 1977/06/02 13:00 50.000 -145.000 7.6 -99.000 14.8 6 27.3 6 1.53 6 WP26 USW 0.0 1977/06/02 14:00 50.000 -145.000 7.7 -99.000 14.8 6 27.3 6 1.54 6 WP26 USW 0.0 1977/06/02 15:00 50.000 -145.000 7.5 -99.000 14.8 6 27.7 6 1.67 6 WP26 USW 0.0 1977/06/02 16:00 50.000 -145.000 7.5 -99.000 14.9 6 27.5 6 1.58 6 WP26 USW 0.0 1977/06/02 17:00 50.000 -145.000 7.5 -99.000 14.7 6 27.3 6 1.40 6 WP26 USW 0.0 1977/06/03 00:00 50.000 -145.000 8.4 32.721 14.8 6 27.3 6 1.50 6 WP26 USW 0.0 1977/06/04 00:00 50.000 -145.000 8.3 32.745 15.3 6 28.5 6 1.55 6 WP26 USW 0.0 1977/06/05 00:00 50.000 -145.000 7.4 32.764 15.9 6 28.5 6 1.59 6 WP26 USW 0.0 1977/06/06 00:00 50.000 -145.000 7.4 32.726 14.5 6 26.7 6 1.52 6 WP26 USW 0.0 1977/06/07 00:00 50.000 -145.000 7.7 32.723 14.6 6 26.1 6 1.51 6 WP26 USW 0.0 1977/06/08 00:00 50.000 -145.000 8.0 32.734 14.9 6 27.3 6 1.57 6 WP26 USW 0.0 1977/06/09 00:00 50.000 -145.000 8.3 32.718 14.6 6 26.5 6 1.53 6 WP26 USW 0.0 1977/06/10 00:00 50.000 -145.000 8.4 32.694 14.1 6 26.7 6 1.49 6 WP26 USW 0.0 1977/06/11 00:00 50.000 -145.000 8.2 32.718 15.0 6 26.9 6 1.68 6 WP26 USW 0.0 1977/06/12 00:00 50.000 -145.000 8.2 32.693 15.1 6 26.9 6 1.67 6 WP26 USW 0.0 1977/06/13 00:00 50.000 -145.000 8.3 32.673 14.8 6 26.0 6 1.66 6 WP26 USW 0.0 1977/06/14 00:00 50.000 -145.000 8.7 32.657 14.7 6 26.5 6 1.65 6 WP26 USW 0.0 1977/06/15 00:00 50.000 -145.000 8.5 32.667 14.7 6 26.2 6 1.65 6 WP26 USW 0.0 1977/06/16 00:00 50.000 -145.000 8.2 32.671 15.9 6 26.3 6 1.70 6 WP26 USW 0.0 1977/06/17 00:00 50.000 -145.000 8.5 32.700 15.9 6 26.5 6 1.72 6 WP26 USW 0.0 1977/06/18 00:00 50.000 -145.000 8.4 32.672 15.2 6 26.3 6 1.74 6 WP26 USW 0.0 1977/06/19 00:00 50.000 -145.000 8.7 32.669 15.9 6 26.7 6 1.65 6 WP125 USW 0.0 1977/06/20 02:05 49.917 -143.667 -99.0 32.635 -99.0 0 -99.0 0 -99.00 0 WP12 USW 0.0 1977/06/20 07:10 49.817 -142.667 9.4 32.639 13.2 6 22.2 6 1.53 6 WP115 USW 0.0 1977/06/20 11:35 49.750 -141.667 -99.0 32.636 -99.0 0 -99.0 0 -99.00 0 WP11 USW 0.0 1977/06/20 15:10 49.683 -140.667 9.6 32.631 12.1 6 20.3 6 1.51 6 WP105 USW 0.0 1977/06/20 19:00 49.633 -139.667 -99.0 32.618 -99.0 0 -99.0 0 -99.00 0 WP10 USW 0.0 1977/06/20 22:35 49.567 -138.667 10.5 32.567 11.6 6 19.6 6 1.50 6 WP095 USW 0.0 1977/06/21 03:45 49.500 -137.667 -99.0 32.532 -99.0 0 -99.0 0 -99.00 0 WP09 USW 0.0 1977/06/21 07:05 49.433 -136.667 10.5 32.540 10.9 6 18.4 6 1.51 6 WP085 USW 0.0 1977/06/21 10:35 49.350 -135.667 -99.0 32.450 -99.0 0 -99.0 0 -99.00 0 WP08 USW 0.0 1977/06/21 14:15 49.283 -134.667 10.9 32.377 6.0 6 12.8 6 1.19 6 WP075 USW 0.0 1977/06/21 18:00 49.233 -133.667 -99.0 32.380 -99.0 0 -99.0 0 -99.00 0 WP07 USW 0.0 1977/06/21 21:10 49.167 -132.667 11.3 32.462 5.4 6 11.0 6 0.98 6 WP065 USW 0.0 1977/06/22 00:00 49.100 -131.667 12.5 32.474 -99.0 0 -99.0 0 -99.00 0 WP06 USW 0.0 1977/06/22 03:10 49.033 -130.667 11.4 32.506 5.2 6 10.2 6 0.98 6 WP055 USW 0.0 1977/06/22 07:35 48.950 -129.667 -99.0 32.495 -99.0 0 -99.0 0 -99.00 0 WP05 USW 0.0 1977/06/22 12:10 48.850 -128.667 12.1 31.993 0.6 6 9.1 6 0.68 6 WP04 USW 0.0 1977/06/22 17:00 48.767 -127.667 11.9 32.235 2.8 6 11.3 6 0.82 6 WP03 USW 0.0 1977/06/22 22:30 48.700 -126.667 12.1 31.846 0.2 6 2.5 6 0.42 6 WP02 USW 0.0 1977/06/23 01:40 48.633 -126.000 12.6 31.305 0.3 6 8.2 6 0.50 6 WP01 USW 0.0 1977/06/23 04:05 48.550 -125.550 12.3 31.233 0.5 6 6.5 6 0.45 6 WJF4 USW 0.0 1977/06/23 06:40 48.538 -125.000 -99.0 31.534 -99.0 0 -99.0 0 -99.00 0 WJF3 USW 0.0 1977/06/23 09:10 48.450 -124.500 -99.0 31.459 -99.0 0 -99.0 0 -99.00 0 WJF2 USW 0.0 1977/06/23 11:05 48.300 -124.000 -99.0 31.473 -99.0 0 -99.0 0 -99.00 0 WJF1 USW 0.0 1977/06/23 13:30 48.267 -123.500 -99.0 31.193 -99.0 0 -99.0 0 -99.00 0