*2025/05/12 15:12:22.23 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 1977/02/11 23:20:00.000 END TIME : UTC 1977/03/30 13:00:00.000 TIME ZERO : UTC 1980/01/01 00:00:00.000 NUMBER OF RECORDS : 126 DATA DESCRIPTION : Loop FILE TYPE : ASCII NUMBER OF CHANNELS : 13 $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 -1054 -1007 5 Time HH:MM 0 0.9826389 6 Latitude degrees 48.538 50 7 Longitude degrees -145 -125 8 Temperature:Bucket 'deg C' 4.3 9.8 9 Salinity:Bottle ppt 31.004 32.768 10 Flag:Sample_Method n/a 11 Nitrate_plus_Nitrite:Bottle umol/L 3.9 20 12 Silicate:Bottle umol/L 6.6 33.8 13 Phosphate:Bottle umol/L 0.72 1.74 $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 ' ' ' ' 3 NQ C ' ' 11 -99 ' ' 6 F R4 1 12 -99 ' ' 6 F R4 1 13 -99 ' ' 7 F R4 2 $END $REMARKS Flag:Sample_Method ---------------------------------------------------------------------------- 2 = Salinity samples taken by bucket. All others by seawater loop. ---------------------------------------------------------------------------- $END *ADMINISTRATION MISSION : 1977-02 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 32.27989 N ! (deg min) LONGITUDE : 145 0.00000 W ! (deg min) LATITUDE 2 : 50 0.00000 N ! (deg min) LONGITUDE 2 : 125 0.00000 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 12:27:40 126 126 HDREDIT2 2.5.1 2010/04/02 12:31:07 ? ? CLEAN 5.0.2 2010/04/02 12:32:42 126 126 CHANGE_CTD_CHANNEL_NAMES 1.0 2013/12/17 16:00:16 126 126 ADDCHANS 1.4 2025/05/09 13:21:38 ? ? HDREDIT2 3.2 2025/05/12 15:09:35 ? ? CLEAN 5.3 2025/05/12 15:12:00 126 126 CLEAN 5.3 2025/05/12 15:12:22 126 126 $END $REMARKS -HEADER EDITS: 2010/04/02 12:31:07 Applied edit header: O:\Data Processing\Header Comments\Work\1977-02-Loop.txt -CLEAN functions: 2010/04/02 12:32:42 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: 2025/05/12 15:09:35 Applied edit header: C:\Users\huntingtons\Desktop\Misc_Corrections\Loop_file_archive_corrections\ COMMENTS_hdr.TXT Channel 10: Flag:Sample_Method [n/a] Name: Salinity:Sample_Type ==> Flag:Sample_Method Channel 11: Nitrate_plus_Nitrite:Bottle [umol/L] Name: Nitrate_plus_Nitrite ==> Nitrate_plus_Nitrite:Bottle Channel 12: Silicate:Bottle [umol/L] Name: Silicate ==> Silicate:Bottle Channel 13: Phosphate:Bottle [umol/L] Name: Phosphate ==> Phosphate:Bottle -CLEAN functions: 2025/05/12 15:12:00 Reset #RECS, MIN & MAX values in header. Change character data from " " to "0" in channels Flag:Sample_Method -CLEAN functions: 2025/05/12 15:12:22 Reset #RECS, MIN & MAX values in header. Change character data from "*" to "2" in channels Flag:Sample_Method $END *COMMENTS Sample collection methods: -------------------------- Temperature surface (o metres) samples were obtained from a bucket. Salinity surface sample were obtained from a seawater loop. When the seawater loop was not operational these samples were obtained with a bucket, and are indicated with '*' in the data record. This was changed to Flag:Sample_Method with a value of 2 instead of '*'. The source of the nutrient samples is assumed to be from the loop unless the loop was not operational. 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 80. February 11 - March 31, 1977. Pacific Marine Science Report 77-14. 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-- !Station Samp Depth Date Time Latitud Longitud Tempe Salinit Fl Nitra Silic Phosph ! le_ e e ratur y: ag te_pl ate: ate: ! Meth e: Bottle ~e ~Nitr Bottl Bottle ! od Bucke th ite:B e ! t od ottle !------- ---- ------ ---------- ----- ------- -------- ----- ------- -- ----- ----- ------ *END OF HEADER WP01 USW 0.0 1977/02/11 23:20 48.550 -125.550 9.5 32.301 0 4.6 8.5 0.77 WP02 USW 0.0 1977/02/12 01:00 48.633 -126.000 9.6 32.348 0 5.7 10.6 0.86 WP03 USW 0.0 1977/02/12 02:50 48.700 -126.667 9.6 32.348 0 3.9 7.0 0.72 WP04 USW 0.0 1977/02/12 05:50 48.767 -127.667 9.8 32.508 0 4.7 6.6 0.78 WP05 USW 0.0 1977/02/12 09:05 48.850 -128.667 9.0 32.335 0 6.4 9.8 0.89 WP055 USW 0.0 1977/02/12 13:00 48.950 -129.667 9.4 32.497 0 -99.0 -99.0 -99.00 WP06 USW 0.0 1977/02/12 16:00 49.033 -130.667 9.3 32.454 0 6.3 8.9 0.88 WP065 USW 0.0 1977/02/12 20:10 49.100 -131.667 9.2 32.431 0 -99.0 -99.0 -99.00 WP07 USW 0.0 1977/02/12 23:35 49.167 -132.667 8.9 32.314 0 6.1 9.1 0.96 WP075 USW 0.0 1977/02/13 03:50 49.233 -133.667 8.2 32.382 0 -99.0 -99.0 -99.00 WP08 USW 0.0 1977/02/13 08:00 49.283 -134.667 8.2 32.424 0 10.0 11.7 1.10 WP085 USW 0.0 1977/02/13 12:00 49.350 -135.667 8.1 32.458 0 -99.0 -99.0 -99.00 WP09 USW 0.0 1977/02/13 15:45 49.433 -136.667 7.9 32.454 0 10.7 12.8 1.14 WP10 USW 0.0 1977/02/13 22:20 49.567 -138.667 7.2 32.535 0 13.4 17.7 1.26 WP105 USW 0.0 1977/02/14 02:00 49.633 -139.667 7.2 32.561 0 -99.0 -99.0 -99.00 WP11 USW 0.0 1977/02/14 05:15 49.683 -140.667 6.9 32.594 0 14.1 20.2 1.34 WP115 USW 0.0 1977/02/14 08:20 49.750 -141.667 7.0 32.637 0 -99.0 -99.0 -99.00 WP12 USW 0.0 1977/02/14 12:05 49.817 -142.667 6.2 32.609 0 15.4 24.0 1.43 WP125 USW 0.0 1977/02/14 18:10 49.917 -143.667 6.9 32.621 0 -99.0 -99.0 -99.00 WP26 USW 0.0 1977/02/15 00:00 50.000 -145.000 5.6 32.625 0 15.4 25.5 1.44 WP26 BUC 0.0 1977/02/16 00:00 50.000 -145.000 5.6 32.641 2 15.8 25.9 1.46 WP26 USW 0.0 1977/02/17 00:00 50.000 -145.000 6.0 32.641 0 15.4 25.3 1.46 WP26 USW 0.0 1977/02/18 00:00 50.000 -145.000 5.7 32.650 0 15.5 25.7 1.42 WP26 USW 0.0 1977/02/19 00:00 50.000 -145.000 5.5 32.644 0 16.5 27.5 1.49 WP26 USW 0.0 1977/02/20 00:00 50.000 -145.000 5.5 32.657 0 15.7 25.6 1.43 WP26 USW 0.0 1977/02/21 00:00 50.000 -145.000 5.5 32.640 0 15.5 25.6 1.45 WP26 USW 0.0 1977/02/22 00:00 50.000 -145.000 5.1 32.676 0 18.0 30.4 1.61 WP26 USW 0.0 1977/02/23 00:00 50.000 -145.000 5.2 32.668 0 16.8 28.2 1.54 WP26 USW 0.0 1977/02/24 00:00 50.000 -145.000 5.5 32.661 0 15.7 25.6 1.48 WP26 USW 0.0 1977/02/25 00:00 50.000 -145.000 5.2 32.679 0 18.0 29.7 1.56 WP26 USW 0.0 1977/02/26 00:00 50.000 -145.000 5.4 32.681 0 16.4 27.5 1.54 WP26 USW 0.0 1977/02/27 00:00 50.000 -145.000 5.8 32.661 0 16.1 26.5 1.50 ERun USW 0.0 1977/02/27 03:00 49.800 -142.667 5.5 32.620 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/27 06:00 49.700 -141.667 6.5 32.625 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/27 09:00 49.700 -140.800 6.7 32.606 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/27 12:00 49.600 -139.967 6.5 32.593 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/27 15:00 49.600 -138.983 6.6 32.574 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/27 18:00 49.700 -138.000 7.1 32.546 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/27 21:00 49.500 -137.000 7.1 32.534 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 00:00 49.400 -136.133 7.6 32.477 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 03:00 49.400 -135.100 7.5 32.480 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 06:00 49.300 -134.100 7.9 32.466 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 09:00 49.200 -133.167 8.0 32.379 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 12:00 49.100 -132.117 8.5 32.350 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 15:00 49.000 -131.283 8.6 32.380 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 18:00 48.900 -130.283 8.8 32.468 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/02/28 21:00 48.600 -129.283 9.1 32.503 0 -99.0 -99.0 -99.00 WJF4 USW 0.0 1977/03/04 03:05 48.538 -125.000 8.4 31.004 0 -99.0 -99.0 -99.00 WP01 USW 0.0 1977/03/04 05:00 48.550 -125.550 9.1 31.385 0 -99.0 -99.0 -99.00 WP02 USW 0.0 1977/03/04 06:50 48.633 -126.000 8.8 31.514 0 -99.0 -99.0 -99.00 WP03 USW 0.0 1977/03/04 09:00 48.700 -126.667 -99.0 31.375 0 -99.0 -99.0 -99.00 WP04 USW 0.0 1977/03/04 12:40 48.767 -127.667 -99.0 32.437 0 -99.0 -99.0 -99.00 WP05 USW 0.0 1977/03/04 16:15 48.850 -128.667 8.5 32.351 0 -99.0 -99.0 -99.00 WP06 USW 0.0 1977/03/05 00:35 49.033 -130.667 8.6 32.318 0 -99.0 -99.0 -99.00 WP07 USW 0.0 1977/03/05 07:10 49.167 -132.667 8.5 32.344 0 -99.0 -99.0 -99.00 WP08 USW 0.0 1977/03/05 13:30 49.283 -134.667 7.5 32.478 0 -99.0 -99.0 -99.00 WP09 USW 0.0 1977/03/05 20:10 49.433 -136.667 7.4 32.522 0 -99.0 -99.0 -99.00 WP10 USW 0.0 1977/03/06 03:00 49.567 -138.667 6.8 32.558 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/03/06 18:00 49.300 -139.867 6.5 32.611 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/03/06 21:00 49.300 -140.083 6.3 32.632 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/03/07 00:00 49.300 -140.400 6.4 32.627 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/03/07 03:00 49.300 -140.717 6.5 32.615 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/03/07 06:00 49.500 -141.333 6.6 32.597 0 -99.0 -99.0 -99.00 ERun USW 0.0 1977/03/07 09:00 49.700 -142.133 5.9 32.638 0 -99.0 -99.0 -99.00 WP26 USW 0.0 1977/03/08 00:00 50.000 -145.000 5.5 32.679 0 16.0 25.3 1.34 WP26 USW 0.0 1977/03/09 00:00 50.000 -145.000 4.8 32.701 0 17.8 30.4 1.61 WP26 USW 0.0 1977/03/10 00:00 50.000 -145.000 5.0 32.714 0 17.2 26.5 1.53 WP26 USW 0.0 1977/03/10 18:00 50.000 -145.000 -99.0 -99.000 0 16.0 24.7 1.45 WP26 USW 0.0 1977/03/10 19:00 50.000 -145.000 -99.0 -99.000 0 16.7 25.6 1.51 WP26 USW 0.0 1977/03/10 20:00 50.000 -145.000 -99.0 -99.000 0 16.7 25.3 1.51 WP26 USW 0.0 1977/03/10 21:00 50.000 -145.000 -99.0 -99.000 0 16.9 25.3 1.52 WP26 USW 0.0 1977/03/10 22:00 50.000 -145.000 -99.0 -99.000 0 16.4 27.3 1.49 WP26 USW 0.0 1977/03/10 23:00 50.000 -145.000 -99.0 -99.000 0 16.5 28.0 1.53 WP26 USW 0.0 1977/03/11 00:00 50.000 -145.000 4.9 32.721 0 17.3 29.9 1.55 WP26 USW 0.0 1977/03/11 01:00 50.000 -145.000 -99.0 -99.000 0 17.3 29.0 1.54 WP26 USW 0.0 1977/03/11 02:00 50.000 -145.000 -99.0 -99.000 0 17.3 29.1 1.54 WP26 USW 0.0 1977/03/11 03:00 50.000 -145.000 -99.0 -99.000 0 18.0 29.7 1.55 WP26 USW 0.0 1977/03/11 04:00 50.000 -145.000 -99.0 -99.000 0 18.1 30.9 1.57 WP26 USW 0.0 1977/03/11 05:00 50.000 -145.000 -99.0 -99.000 0 18.6 31.2 1.62 WP26 USW 0.0 1977/03/11 06:00 50.000 -145.000 -99.0 -99.000 0 18.6 30.8 1.62 WP26 USW 0.0 1977/03/11 07:00 50.000 -145.000 -99.0 -99.000 0 18.2 30.6 1.62 WP26 USW 0.0 1977/03/11 08:00 50.000 -145.000 -99.0 -99.000 0 18.3 30.5 1.62 WP26 USW 0.0 1977/03/11 09:00 50.000 -145.000 -99.0 -99.000 0 18.9 31.2 1.64 WP26 USW 0.0 1977/03/11 10:00 50.000 -145.000 -99.0 -99.000 0 18.9 30.9 1.66 WP26 USW 0.0 1977/03/11 11:00 50.000 -145.000 -99.0 -99.000 0 18.8 30.8 1.69 WP26 USW 0.0 1977/03/11 12:00 50.000 -145.000 -99.0 -99.000 0 19.2 32.2 1.64 WP26 USW 0.0 1977/03/11 13:00 50.000 -145.000 -99.0 -99.000 0 19.2 32.6 1.67 WP26 USW 0.0 1977/03/11 14:00 50.000 -145.000 -99.0 -99.000 0 19.4 32.2 1.68 WP26 USW 0.0 1977/03/11 15:00 50.000 -145.000 -99.0 -99.000 0 19.3 31.8 1.70 WP26 USW 0.0 1977/03/11 16:00 50.000 -145.000 -99.0 -99.000 0 19.3 32.3 1.69 WP26 USW 0.0 1977/03/11 17:00 50.000 -145.000 -99.0 -99.000 0 19.5 31.7 -99.00 WP26 USW 0.0 1977/03/12 00:00 50.000 -145.000 4.3 32.765 0 20.0 33.8 1.74 WP26 USW 0.0 1977/03/13 00:00 50.000 -145.000 4.5 32.768 0 19.8 33.5 1.72 WP26 USW 0.0 1977/03/14 00:00 50.000 -145.000 5.2 32.717 0 16.4 26.4 1.52 WP26 USW 0.0 1977/03/15 17:45 50.000 -145.000 5.3 32.718 0 15.7 25.9 1.46 WP26 USW 0.0 1977/03/16 00:00 50.000 -145.000 5.1 32.722 0 16.6 26.9 1.54 WP26 USW 0.0 1977/03/17 00:00 50.000 -145.000 5.4 32.720 0 15.9 25.3 1.49 WP26 USW 0.0 1977/03/18 00:00 50.000 -145.000 5.4 32.714 0 15.5 26.0 1.48 WP26 USW 0.0 1977/03/19 00:00 50.000 -145.000 5.4 32.706 0 15.2 25.6 1.48 WP26 USW 0.0 1977/03/20 00:00 50.000 -145.000 5.4 32.708 0 15.3 26.0 1.48 WP26 USW 0.0 1977/03/21 00:00 50.000 -145.000 5.4 32.717 0 15.4 25.7 1.45 WP26 USW 0.0 1977/03/22 00:00 50.000 -145.000 5.2 32.693 0 15.2 25.0 1.47 WP26 USW 0.0 1977/03/23 00:00 50.000 -145.000 5.1 32.710 0 15.4 25.2 1.49 WP26 USW 0.0 1977/03/24 00:00 50.000 -145.000 5.1 32.711 0 15.3 25.0 1.44 WP26 USW 0.0 1977/03/25 00:00 50.000 -145.000 5.3 32.703 0 15.4 25.6 1.46 WP26 USW 0.0 1977/03/26 00:00 50.000 -145.000 5.2 32.708 0 15.6 24.9 1.43 WP26 USW 0.0 1977/03/27 00:00 50.000 -145.000 4.5 32.742 0 18.0 31.1 1.69 WP125 USW 0.0 1977/03/28 01:40 49.917 -143.667 -99.0 32.710 0 -99.0 -99.0 -99.00 WP12 USW 0.0 1977/03/28 06:00 49.817 -142.667 5.4 32.697 0 15.2 23.7 1.45 WP115 USW 0.0 1977/03/28 10:00 49.750 -141.667 -99.0 32.657 0 -99.0 -99.0 -99.00 WP11 USW 0.0 1977/03/28 13:45 49.683 -140.667 6.0 32.651 0 14.3 20.7 1.40 WP10 USW 0.0 1977/03/28 18:55 49.567 -138.667 6.3 32.621 0 14.1 19.7 -99.00 WP095 USW 0.0 1977/03/29 00:00 49.500 -137.667 -99.0 32.606 0 -99.0 -99.0 -99.00 WP09 USW 0.0 1977/03/29 03:00 49.433 -136.667 6.7 32.569 0 12.6 17.3 1.32 WP085 USW 0.0 1977/03/29 06:40 49.350 -135.667 -99.0 32.541 0 -99.0 -99.0 -99.00 WP08 USW 0.0 1977/03/29 09:40 49.283 -134.667 7.2 -99.000 0 10.4 13.8 1.18 WP075 USW 0.0 1977/03/29 12:40 49.233 -133.667 -99.0 32.433 0 -99.0 -99.0 -99.00 WP07 USW 0.0 1977/03/29 15:45 49.167 -132.667 7.9 32.422 0 7.3 10.8 0.96 WP065 USW 0.0 1977/03/29 18:45 49.100 -131.667 8.1 32.497 0 -99.0 -99.0 -99.00 WP06 USW 0.0 1977/03/29 21:35 49.033 -130.667 8.0 32.426 0 7.1 10.7 0.96 WP055 USW 0.0 1977/03/30 00:25 48.950 -129.667 8.3 32.474 0 -99.0 -99.0 -99.00 WP05 USW 0.0 1977/03/30 03:30 48.850 -128.667 8.3 32.444 0 6.2 10.4 0.93 WP04 USW 0.0 1977/03/30 06:30 48.767 -127.667 8.4 32.450 0 6.3 10.8 0.91 WP03 USW 0.0 1977/03/30 09:20 48.700 -126.667 8.3 31.840 0 6.9 13.3 0.98 WP02 USW 0.0 1977/03/30 11:25 48.633 -126.000 8.5 31.254 0 7.7 15.1 0.95 WP01 USW 0.0 1977/03/30 13:00 48.550 -125.550 8.4 31.543 0 9.3 17.5 1.00