*2025/05/02 15:01:47.42 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2000/09/05 06:25:00.000 END TIME : UTC 2000/09/21 04:10:00.000 TIME ZERO : UTC 1980/01/01 00:00:00.000 NUMBER OF RECORDS : 69 DATA DESCRIPTION : Loop FILE TYPE : ASCII NUMBER OF CHANNELS : 11 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------------- ------------ -------------- -------------- 1 Station n/a 2 Sample_Method n/a 3 Date YYYY/MM/DD 7553 7569 4 Time HH:MM 0.6944445E-03 0.9986111 5 Latitude degrees 48.268 51.364 6 Longitude degrees -144.997 -123.5 7 Salinity:Bottle PSS-78 31.411 32.658 8 Nitrate_plus_Nitrite:Bottle umol/L 0 26.6 9 Phosphate:Bottle umol/L 0.33 2.14 10 Silicate:Bottle umol/L 2.4 42.8 11 Alkalinity:Total:Bottle umol/kg 2143.3 2202 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ---------- ---- -------------- 1 ' ' ' ' 8 NQ C ' ' 2 ' ' ' ' 5 NQ C ' ' 3 ' ' ' ' ' ' YYYY/MM/DD D ' ' 4 ' ' ' ' ' ' HH:MM T ' ' 5 -99 ' ' 8 F R4 3 6 -99 ' ' 9 F R4 3 7 -99 ' ' 8 F R4 3 8 -99 ' ' 6 F R4 1 9 -99 ' ' 7 F R4 2 10 -99 ' ' 6 F R4 1 11 -99 ' ' 8 F R4 2 $END *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! ------------------------ ------ ---------- -------- --------- --------- SPRD2IS 3.9 2003/04/21 16:59:29 69 69 HDREDIT2 1.51 2003/04/21 17:05:25 ? ? CLEAN 4.2 2003/04/21 17:06:09 69 69 CLEAN 4.6.2 2004/06/03 14:11:49 69 69 CHANGE_CTD_CHANNEL_NAMES 1.0 2013/12/17 16:03:45 69 69 ADDCHANS 1.4 2025/05/02 15:00:19 ? ? HDREDIT2 3.2 2025/05/02 15:01:47 ? ? $END $REMARKS CLEAN functions: - Reset #RECS, MIN & MAX values in header. - Set header Start and End times from the data. - Set header Latitude and Longitude limits the data. CLEAN functions: - Reset #RECS, MIN & MAX values in header. -HEADER EDITS: 2025/05/02 15:01:47 Channel 8: Nitrate_plus_Nitrite:Bottle [umol/L] Name: Nitrate_plus_Nitrite ==> Nitrate_plus_Nitrite:Bottle Channel 9: Phosphate:Bottle [umol/L] Name: Phosphate ==> Phosphate:Bottle Channel 10: Silicate:Bottle [umol/L] Name: Silicate ==> Silicate:Bottle Channel 11: Alkalinity:Total:Bottle [umol/kg] Name: Alkalinity:Total ==> Alkalinity:Total:Bottle $END *ADMINISTRATION MISSION : 2000-25 AGENCY : IOS, Ocean Science and Productivity, Sidney, BC PROJECT : Line P SCIENTIST : Freeland H. PLATFORM : John P. Tully *LOCATION GEOGRAPHIC AREA : N.E. Pacific LATITUDE : 48 16.08009 N ! (deg min) LONGITUDE : 144 59.81964 W ! (deg min) LATITUDE 2 : 51 21.83990 N ! (deg min) LONGITUDE 2 : 123 30.00000 W ! (deg min) *INSTRUMENT INTAKE DEPTH (M) : 4.5 ! custom item *COMMENTS The USW samples are drawn from a pumped seawater supply provided to the ship laboratory from a nominal depth of 4.5 metres. 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) ------------------------------------------------------- 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). Total alkalinity (TA) was collected in 250 or 500 mL glass bottles closed with greased ground glass stoppers and sealed with elastic clamps. Samples were stored in the dark at 4 degrees C until analysis ashore. TA was determined by potentiometric acid titration with endpoints determined using modified gran plots. For more details see the metadata associated with this particular data set. References: 1. 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-- !Station Samp Date Time Latitud Longitud Salinit Nitra Phosph Silic Alkalin ! le_ e e y: te_pl ate: ate: ity: ! Meth Bottle ~Nitr Bottle Bottl Total: ! od ite:B e Bottle ! ottle !------- ---- ---------- ----- ------- -------- ------- ----- ------ ----- ------- *END OF HEADER JF1 USW 2000/09/05 06:25 48.268 -123.500 31.411 24.1 2.05 41.9 -99.00 JF2 USW 2000/09/05 08:11 48.300 -124.000 32.380 26.6 2.14 42.8 -99.00 JF3 USW 2000/09/05 10:04 48.449 -124.500 31.726 24.9 2.08 42.3 -99.00 JF4 USW 2000/09/05 11:57 48.538 -124.999 32.239 11.8 1.09 24.6 -99.00 P1 USW 2000/09/05 14:07 48.575 -125.501 32.514 5.5 0.70 20.3 -99.00 P2 USW 2000/09/05 16:48 48.600 -125.999 31.548 9.4 1.12 20.3 -99.00 P3 USW 2000/09/05 18:41 48.627 -126.332 32.187 0.1 0.54 6.1 -99.00 P4 USW 2000/09/05 22:06 48.651 -126.666 32.109 0.0 0.39 5.2 2150.60 P5 USW 2000/09/06 20:47 48.693 -127.170 32.117 0.0 0.37 7.9 -99.00 P6 USW 2000/09/07 00:12 48.744 -127.666 31.851 0.2 0.46 11.5 2143.30 P7 USW 2000/09/07 04:15 48.776 -128.168 32.222 0.0 0.45 4.7 2162.50 P8 USW 2000/09/07 08:06 48.817 -128.666 32.331 0.0 0.37 5.0 2164.80 P9 USW 2000/09/07 12:53 48.858 -129.166 32.446 0.0 0.41 4.3 2173.00 P10 USW 2000/09/07 17:06 48.892 -129.667 32.628 0.8 0.49 5.9 2184.90 P11 USW 2000/09/07 22:11 48.932 -130.170 32.346 0.3 0.45 6.0 2175.10 P12 USW 2000/09/08 10:31 48.971 -130.663 32.315 0.1 0.41 5.0 2168.50 P13 USW 2000/09/08 21:06 49.042 -131.668 32.636 1.6 0.55 6.9 2189.80 P14 USW 2000/09/09 03:56 49.124 -132.668 32.621 3.5 0.66 4.2 2168.40 P15 USW 2000/09/09 09:51 49.201 -133.665 32.604 4.1 0.72 7.6 2169.00 P16 USW 2000/09/09 16:14 49.284 -134.664 32.418 2.0 0.58 6.7 2168.80 P17 USW 2000/09/10 17:52 49.351 -135.666 32.561 4.6 0.70 9.1 2188.80 P18 USW 2000/09/10 23:12 49.433 -136.670 32.579 4.4 0.69 7.7 2176.20 P19 USW 2000/09/11 05:10 49.500 -137.666 32.553 3.6 0.66 6.5 2177.30 P20 USW 2000/09/11 13:36 49.566 -138.679 32.556 8.4 0.94 6.9 2200.30 P21 USW 2000/09/12 14:36 49.632 -139.666 32.608 6.9 0.88 9.0 2202.00 P22 USW 2000/09/12 19:43 49.699 -140.666 32.612 5.9 0.85 7.0 2200.00 P23 USW 2000/09/13 00:49 49.765 -141.668 32.601 5.1 0.80 2.4 2190.40 P24 USW 2000/09/13 05:55 49.837 -142.667 32.613 5.3 0.81 3.8 -99.00 P25 USW 2000/09/13 11:01 49.999 -143.606 32.616 5.8 0.86 4.2 -99.00 P35 USW 2000/09/13 14:57 50.001 -144.305 32.638 5.5 0.84 3.3 -99.00 P26 USW 2000/09/13 20:43 50.001 -144.997 32.624 5.6 0.83 4.2 -99.00 HL01 USW 2000/09/15 20:05 50.195 -144.679 32.628 6.4 0.90 4.9 -99.00 HL02 USW 2000/09/15 21:52 50.188 -144.679 32.623 6.2 0.87 4.2 -99.00 HL03 USW 2000/09/16 02:01 50.709 -144.301 32.641 6.5 0.92 3.7 -99.00 E01 USW 2000/09/16 05:07 51.000 -144.005 32.658 6.7 0.83 4.4 -99.00 HL04 USW 2000/09/16 08:00 51.000 -143.627 32.656 7.0 0.92 5.3 -99.00 HL05 USW 2000/09/16 09:59 50.998 -143.115 32.651 6.1 0.85 3.5 -99.00 HL06 USW 2000/09/16 11:59 50.994 -142.585 32.626 6.7 0.88 5.8 -99.00 HL07 USW 2000/09/16 14:00 50.995 -142.066 32.636 6.1 0.88 4.9 -99.00 HL08 USW 2000/09/16 16:00 51.002 -141.583 32.634 6.3 0.87 5.4 -99.00 HL09 USW 2000/09/16 18:00 50.969 -141.107 32.649 6.3 0.89 4.2 -99.00 HL10 USW 2000/09/16 20:00 51.006 -140.644 32.611 7.2 0.91 8.0 -99.00 HL11 USW 2000/09/16 22:00 51.000 -140.170 32.581 4.9 0.80 5.1 -99.00 HL12 USW 2000/09/16 23:58 51.002 -139.691 32.572 4.9 0.78 5.1 -99.00 HL13 USW 2000/09/17 02:01 50.999 -139.169 32.588 4.7 0.76 4.4 -99.00 HL14 USW 2000/09/17 04:00 50.999 -138.664 32.577 5.9 0.81 5.8 -99.00 HL15 USW 2000/09/17 06:00 50.998 -138.115 32.555 6.0 0.84 5.8 -99.00 HL16 USW 2000/09/17 08:00 51.000 -137.573 32.547 4.8 0.75 4.9 -99.00 HL17 USW 2000/09/17 10:00 50.998 -137.065 32.531 5.1 0.78 4.7 -99.00 HL18 USW 2000/09/17 11:58 51.105 -136.593 32.426 1.0 0.54 6.6 -99.00 HL19 USW 2000/09/17 14:00 51.219 -136.124 32.409 1.3 0.55 6.8 -99.00 HL20 USW 2000/09/17 16:00 51.322 -135.639 32.381 1.4 0.53 7.1 -99.00 HL21 USW 2000/09/17 18:00 51.364 -135.319 32.350 0.7 0.52 6.3 -99.00 HL22 USW 2000/09/17 20:00 51.280 -134.897 32.244 0.0 0.33 4.7 -99.00 HL23 USW 2000/09/18 00:01 51.164 -134.496 32.274 0.1 0.47 5.3 -99.00 HL24 USW 2000/09/18 02:03 51.028 -134.055 32.306 0.1 0.47 5.5 -99.00 HL25 USW 2000/09/18 04:01 50.999 -133.637 32.331 0.0 0.47 6.7 -99.00 HL26 USW 2000/09/18 06:00 51.000 -133.311 32.329 1.4 0.51 7.0 -99.00 HL27 USW 2000/09/18 08:00 51.001 -133.030 32.302 0.8 0.49 6.5 -99.00 HL28 USW 2000/09/18 10:00 51.001 -132.718 32.185 0.0 0.42 5.0 -99.00 HL29 USW 2000/09/18 12:00 51.000 -132.413 32.185 0.0 0.42 5.1 -99.00 HL30 USW 2000/09/18 14:00 51.005 -132.079 32.159 0.0 0.44 6.5 -99.00 HL31 USW 2000/09/18 16:00 51.002 -132.052 32.124 0.0 0.43 6.3 -99.00 HL32 USW 2000/09/18 18:30 51.000 -131.581 32.161 0.0 0.40 4.8 -99.00 HL33 USW 2000/09/18 20:04 51.000 -131.288 32.139 0.0 0.39 5.0 -99.00 HL34 USW 2000/09/18 21:58 51.000 -130.963 32.164 0.0 0.42 7.7 -99.00 HL35 USW 2000/09/19 00:01 51.001 -130.561 32.035 0.2 0.45 5.5 -99.00 HL36 USW 2000/09/20 02:00 51.000 -130.167 32.010 0.2 0.44 7.2 -99.00 HL37 USW 2000/09/21 04:10 51.000 -129.766 32.046 1.5 0.53 10.2 -99.00