*2022/11/21 14:38:46.08 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2016/02/13 03:19:09.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 24 DATA DESCRIPTION : Bottle:Rosette:Up:Stop + CTD:Up FILE TYPE : ASCII CRC : 29FDBD24 NUMBER OF CHANNELS : 28 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ---------------------------------------- --------------- -------------- -------------- 1 Sample_Number n/a 340 363 2 Bottle_Number n/a 1 24 3 Bottle:Firing_Sequence n/a 1 24 4 Pressure:CTD dbar 5.3 3682.2 5 Temperature:CTD deg_C_(ITS90) 1.5741 8.7444 6 Salinity:CTD PSS-78 32.4282 34.6677 7 Sigma-t:CTD kg/m^3 25.1704 27.7637 8 Transmissivity:CTD %/m 57.5 62 9 Oxygen:Dissolved:CTD:Volume ml/l 0.27 6.58 10 Oxygen:Dissolved:CTD:Mass µmol/kg 11.8 286.4 11 Fluorescence:CTD:Seapoint mg/m^3 0.4E-01 0.757 12 Salinity:Bottle PSS-78 32.4323 34.6659 13 Flag:Salinity:Bottle n/a 14 Oxygen:Dissolved:Bottle:Volume ml/l 0.268 6.576 15 Oxygen:Dissolved:Bottle:Mass µmol/kg 11.6 286.4 16 Flag:Oxygen:Dissolved:Bottle n/a 17 Nitrate_plus_Nitrite:Bottle µmol/l 5.49 45.79 18 Flag:Nitrate_plus_Nitrite:Bottle n/a 19 Phosphate:Bottle µmol/l 0.727 3.185 20 Flag:Phosphate:Bottle n/a 21 Silicate:Bottle µmol/l 6.43 178.4 22 Flag:Silicate:Bottle n/a 23 Carbon:Dissolved:Inorganic:Bottle µmol/kg 2000.2 2395.2 24 Flag:Carbon:Dissolved:Inorganic:Bottle n/a 25 Alkalinity:Total:Bottle µmol/kg 2172.5 2439.5 26 Flag:Alkalinity:Total:Bottle n/a 27 pH:Bottle n/a 7.279 7.8104 28 Flag:pH:Bottle n/a $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 5 I I 0 2 -99 ' ' 5 I I 0 3 -99 ' ' 5 I I 0 4 -99 ' ' 7 F ' ' 1 5 -99 ' ' 9 F ' ' 4 6 -99 ' ' 9 F ' ' 4 7 -99 ' ' 9 F R4 4 8 -99 ' ' 6 F ' ' 1 9 -99 ' ' 7 F ' ' 2 10 -99 ' ' 6 F ' ' 1 11 -99 ' ' 8 F ' ' 3 12 -99 ' ' 9 F R4 4 13 -99 ' ' 3 NQ C ' ' 14 -99 ' ' 8 F R4 3 15 -99 ' ' 6 F ' ' 1 16 -99 ' ' 3 NQ C ' ' 17 -99 ' ' 7 F R4 2 18 -99 ' ' 3 NQ C ' ' 19 -99 ' ' 8 F R4 3 20 -99 ' ' 3 NQ C ' ' 21 -99 ' ' 7 F R4 2 22 -99 ' ' 3 NQ C ' ' 23 -99 ' ' ' ' F7.1 R4 ' ' 24 0 ' ' 3 NQ C ' ' 25 -99 ' ' ' ' F7.1 R4 ' ' 26 0 ' ' 3 NQ C ' ' 27 -99 ' ' ' ' F8.4 R4 ' ' 28 0 ' ' 3 NQ C ' ' $END *ADMINISTRATION MISSION : 2016-001 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 : P16 EVENT NUMBER : 47 LATITUDE : 49 17.02000 N ! (deg min) LONGITUDE : 134 39.87000 W ! (deg min) WATER DEPTH : 3609 *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-911plus SERIAL NUMBER : 0585 LOCATION : Mid-ship ! custom item *COMMENTS Sample Number 340: Bottle Number 1 - valve leaking. Sample Number 344: Bottle Number 5 - valve loose. Sample Number 346: SAL:Bottle - significant outlier in comparison to Salinity:CTD. There was no indication of a problem with sampling or analysis. Sample Number 354: OXY:Bottle - acid was not added prior to beginning titration so sample lost. Sample Number 360: OXY:Bottle - late placing Thio tip into flask so result is poor and was out of line in comparison to Oxygen:CTD. Sample Number 362: pH:Bottle - value not reported. Analysis methods: ----------------- Salinity samples were collected in 200 ml type ll glass bottles with disposable nylon inserts and screw caps supplied by Ocean Scientific International Limited. They were analyzed in a temperature-controlled lab at IOS on a Guildline 8400B Salinometer (S/N 68572) standardized with IAPSO standard seawater 12 to 21 days after collection. For details on duplicate analysis see file 2016-001_SAL.pdf. Oxygen samples were analyzed at sea using an automated Winkler titration system (Metrohm Dosimat model 876 and a UV light source and detector with a 365nm filter controlled by LV02_876 software designed and constructed by Scripps Institution of Oceanography) with modifications based on Carpenter (1965) and adhering to WOCE protocols (Culberson 1991). For details on duplicate analysis see file 2016-001_OXY.pdf. Nutrient samples were collected in plastic tubes. One set of samples was collected and immediately quick frozen in aluminum blocks stored in -20 freezer. Another set of samples from 400 dbar and deeper (to be used for silicate analysis) was collected and stored at 4C in the dark. All samples were returned to IOS for analysis using an Astoria analyzer following methods described in IOS Nutrient Methods (1996) Barwell-Clarke and Whitney. For precision and duplicate analysis see file 2016-001_NUT.pdf. Chlorophyll samples were filtered onto 25mm GF/F filters and stored in glass scintillation vials at -80C prior to analysis. Samples were extracted in 90% acetone at -20C for 24 hours and analyzed on a Turner 10AU fluorometer calibrated annually with commercially pure chlorophyll a standard (Sigma). Fluorescence readings taken before and after acidification were used to calculate chlorophyll and phaeopigment concentrations (Holm-Hansen et al 1965). Chlorophyll samples were analyzed at IOS ~7 weeks after the cruise. When duplicate samples were collected the average of two samples is reported. Variability is assessed as the CV (std dev / mean*100). Precision Statement: Chlorophyll values ranged from 0.04-1.14 mg/m^3. Average CV for this cruise was an excellent 2.82% with 1 out of 58 duplicate pairs having a CV > 15% and 0 out of 58 duplicate pairs having a CV > 50% . Our average dataset CV is 2.83% for 2013 - 2015 so the overall quality of this dataset is excellent. For details on duplicates see file 2016-001_CHL.pdf. Flags and comments apply to chlorophyll values only. No flags or comments are assigned for Phaeopigment values. DMS samples were collected in 250 ml ground glass stoppered bottles and stored in a fridge, in the dark and removed one at a time before analysis. A sample was loaded onto the stripper and purged with UHP Nitrogen for 10 minutes at ~100 ml/min. The DMS was extracted from the water and absorbed on to a Tenax TA trap kept at -80C. The trap was subsequently desorbed at 100C (with a Dewar containing boiling water) onto a Chromasorb 330 column which eluted onto a Flame Photometric Detector (FPD). All samples were run as soon as possible after being collected. The minimum detectable level for DMS is 0.10 nmol/l, so “0” values should be interpreted as < 0.1 nmol/l. For more details see file 2016-001_DMS_report.pdf and for duplicate analysis see 2016-001_DMS.pdf. DMSP-D: Approximately 20-75 ml of seawater were allowed to flow directly from the Niskin into a filtration funnel containing a 0.7 µm GF/F filter. The first 3.5 ml were collected in a polypropylene tube (15 ml) containing 50 µl of a 50% sulphuric acid solution. DMSP-T: 3.5 ml of seawater were collected directly from the Niskin into a polypropylene tube (15 ml) containing 50 µl of a 50% sulphuric acid solution. DMSP-D and DMSP-T: Samples were stored in the dark at 4 degrees C for a minimum of 24 hours. They were hydrolized and analyzed later at the Institute of Ocean Sciences. The minimum detectable level is 0.1 nmol/l, so “0” values should be interpreted as < 0.1 nmol/l. DMSP data are limited to 2 significant figures. For details on analysis see document 2016-001_DMS_report.pdf. Dissolved inorganic carbon (DIC) was determined using coulometric analysis of unfiltered samples. Total alkalinity (Alk) was determined by potentiometric titration. pH on the total hydrogen ion concentration scale was determined photometrically and is reported at 25C and surface pressure. For duplicates and precision of DIC, ALK and pH samples see files 2016-001_DIC.pdf, 2016-001_ALK.pdf, and 2016-001_pH.pdf respectively. HPLC samples were filtered onto 47mm GF/F filters and stored at -80C prior to analysis. Samples were extracted in 95% methanol at -20C for 24 hours and analyzed on a WATERS 2695 HPLC separations system as detailed in Nemcek and Pena, 2014. Analysis was performed ~3 months after collection. The average of two samples is reported. Variability is assessed as the CV (std dev/mean*100) for duplicate pairs. All pigments below the limit of detection (LOD) are assigned a zero value. TChl-a is the sum of Chl-a, DVchl-a, Chlide-a and Me-chlide. References: 1. Holm-Hansen, O., Lorenzen, C.J., Holmes, R.W., and Strickland J.D.H. 1965. Fluorometric Determination of Chlorophyll. J.du Cons. Intl. Pour l’Epl. De la Mer. 30:3-15. 2. Carpenter, J.H. 1965. The Chesapeake Bay Institute Technique for the Winkler Dissolved Oxygen Method. Limmnol. & Oceanogr., 10: 141-143. 3. Culberson, C.H. 1991. Dissolved oxygen. WOCE Hydrographic Programme Operations and Methods (July 1991). 15pp. 4. Barwell-Clarke, J. and Whitney, F. 1996. Institute of Ocean Sciences Nutrient Methods and Analysis. Canadian Technical Report of Hydrography and Ocean Sciences, No. 182, 43 pp. 5. Nemcek, N. and Peña, M.A. 2014. Institute of Ocean Sciences Protocols for Phytoplankton Pigment Analysis by HPLC. Can. Tech. Rep. Fish. Aquat. Sci. 3117: x + 80 p. Data Processing Notes: ---------------------- Transmissivity, Fluorescence and PAR data are nominal and unedited except that some records were removed in editing temperature and salinity. 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. For details on how the transmissivity calibration parameters were calculated see the document Transmissivity_Calculation.pdf. NOTE: The transmissivity data were removed for files 2016-001-0002 and 2016-001-0005 because of poor data due to a cable problem. Oxygen:Dissolved:CTD was calibrated using the method described in the Sea-Bird Application Note #64-2 of June 2012 (Sea-Bird_64-2_Jun2012.pdf), except that a small offset in the fit was allowed. For details on the processing see the report: 2016-001-proc.pdf. $REMARKS Quality flags have the following significance: ---------------------------------------------------------------------------------- 0 = Acceptable measurement with no header comment. 1 = Sample for this measurement was collected but not analyzed. Sample lost. 2 = Acceptable measurement with header comment. 3 = Questionable measurement (probably good). 4 = Poor measurement (probably bad). 5 = Measurement not reported (bad). 6 = Mean of replicate measurements. 7 = Manual chromatographic peak measurement. 8 = Irregular digital chromatographic peak integration. 9 = Sample was planned for this measurement from this bottle but was not collected. ----------------------------------------------------------------------------------- $END !-1-- -2-- -3-- --4--- ---5---- ---6---- ---7---- --8-- --9--- --10- ---11-- ---12--- 13 ---14-- --15- 16 --17-- 18 ---19-- 20 --21-- 22 --23-- 24 --25-- 26 ---27-- 28 !Samp Bott Bott Pressu Temperat Salinity Sigma-t: Trans Oxygen Oxyge Fluores Salinity Fl Oxygen: Oxyge Fl Nitrat Fl Phospha Fl Silica Fl Carbon Fl Alkali Fl pH: Fl !le_ le_ le:F re:CTD ure:CTD :CTD CTD missi :Disso n:Dis cence: :Bottle ag Dissolv n:Dis ag e_plus ag te: ag te: ag :Disso ag nity: ag Bottle ag !Numb Numb ~ng_ vity: lved: solve CTD: ~o ed: ~ed:B ~o _Nitri ~o Bottle ~o Bottle ~o ~:Inor ~o Total: ~o ~o !er er Sequ CTD CTD: d:CTD Seapoin tt Bottle: ottle tt te: tt tt tt ganic: tt Bottle tt tt ! ence Volume :Mass t le Volume :Mass le Bottle le le le Bottle le le le !---- ---- ---- ------ -------- -------- -------- ----- ------ ----- ------- -------- -- ------- ----- -- ------ -- ------- -- ------ -- ------ -- ------ -- ------- -- *END OF HEADER 363 24 24 5.3 8.7394 32.4286 25.1711 57.5 6.56 285.8 0.757 32.4323 0 6.571 286.2 0 5.58 0 0.737 0 6.45 0 2002.4 0 2175.1 0 7.8104 0 362 23 23 10.3 8.7421 32.4282 25.1704 57.5 6.55 285.4 0.745 -99.0000 0 6.575 286.3 0 5.55 0 0.733 0 6.44 0 2000.2 0 2183.6 0 -99.0000 1 361 22 22 26.3 8.7444 32.4297 25.1712 57.5 6.58 286.4 0.730 -99.0000 0 6.576 286.4 0 5.54 0 0.733 0 6.44 0 2001.8 0 2188.0 0 7.8090 0 360 21 21 50.0 8.7439 32.4332 25.1740 57.9 6.54 285.0 0.683 -99.0000 0 -99.000 -99.0 5 5.49 6 0.736 6 6.43 6 2003.7 0 2181.9 0 7.8099 0 359 20 20 76.0 8.7360 32.4511 25.1893 58.4 6.51 283.7 0.559 -99.0000 0 6.528 284.3 6 5.58 0 0.727 0 6.53 0 2007.1 0 2172.5 0 7.8058 0 358 19 19 101.5 8.0068 33.2247 25.9047 60.9 5.47 238.3 0.101 -99.0000 0 5.465 237.8 0 15.09 0 1.205 0 17.25 0 2078.5 0 2229.2 0 7.7088 0 357 18 18 124.6 7.2929 33.6296 26.3248 61.1 4.55 198.1 0.059 -99.0000 0 4.547 197.8 0 22.47 0 1.606 0 29.43 0 2134.4 0 2246.7 0 7.6145 0 356 17 17 150.1 6.9601 33.7668 26.4787 61.1 4.14 180.3 0.052 -99.0000 0 4.151 180.6 0 25.11 0 1.767 0 35.68 0 2159.7 0 2257.4 0 7.5812 0 355 16 16 174.9 6.6070 33.8248 26.5717 61.0 3.94 171.1 0.050 -99.0000 0 3.947 171.7 6 27.05 0 1.886 0 41.71 0 2171.3 0 2239.2 0 7.5608 0 354 15 15 200.8 6.2403 33.8295 26.6231 61.0 3.64 158.2 0.051 -99.0000 0 -99.000 -99.0 1 28.94 0 2.015 0 46.24 0 2183.8 0 2264.9 0 7.5249 0 353 14 14 250.7 5.3838 33.8322 26.7307 61.4 3.04 132.3 0.050 -99.0000 0 3.057 132.9 0 33.31 0 2.326 0 58.06 0 2217.2 0 2282.3 0 7.4507 6 352 13 13 300.7 4.9627 33.8531 26.7960 61.6 2.52 109.5 0.050 -99.0000 0 2.529 110.0 6 36.02 0 2.517 0 65.58 0 2252.3 0 2281.8 0 7.3986 0 351 12 12 399.1 4.3047 33.9259 26.9259 61.7 1.64 71.1 0.050 -99.0000 0 1.642 71.4 0 40.47 0 2.821 0 83.86 0 2281.9 0 2300.7 0 7.3226 0 350 11 11 599.8 3.9133 34.1422 27.1384 61.9 0.65 28.2 0.050 -99.0000 0 0.644 28.0 0 43.84 0 3.059 0 109.74 0 2333.8 0 2324.0 0 7.2803 0 349 10 10 800.8 3.5162 34.2751 27.2837 61.8 0.35 15.2 0.051 -99.0000 0 0.333 14.5 0 45.41 0 3.140 0 127.08 0 2352.1 0 2366.9 0 7.2790 0 348 9 9 1002.3 3.1378 34.3654 27.3916 61.8 0.27 11.8 0.051 34.3663 0 0.268 11.6 0 45.12 0 3.157 0 140.98 0 2366.0 0 2370.9 0 7.2885 0 347 8 8 1251.3 2.7234 34.4423 27.4904 61.9 0.33 14.5 0.050 34.4437 6 0.318 13.8 0 45.79 6 3.185 6 154.61 6 2384.6 0 2393.2 0 7.2977 0 346 7 7 1502.0 2.4146 34.4974 27.5610 61.9 0.54 23.5 0.049 34.4796 4 0.535 23.2 0 45.61 0 3.053 0 163.34 0 2395.2 0 2412.8 0 7.3204 0 345 6 6 2000.2 1.9276 34.5907 27.6752 61.9 1.35 58.7 0.045 34.5906 6 1.347 58.5 0 43.53 0 2.995 0 174.65 0 2383.0 0 2425.6 0 7.3984 0 344 5 5 2499.7 1.7359 34.6281 27.7199 62.0 1.91 83.0 0.043 34.6295 3 1.904 82.7 36 41.83 3 2.882 3 176.65 3 2363.8 3 2424.1 3 7.4520 3 343 4 4 2999.5 1.6150 34.6514 27.7477 61.9 2.39 103.8 0.041 34.6515 6 2.385 103.6 0 40.88 0 2.800 0 176.31 0 2353.4 0 2425.1 0 7.4917 0 342 3 3 3500.9 1.5743 34.6650 27.7616 61.7 2.68 116.4 0.040 34.6651 0 2.674 116.2 0 39.68 0 2.717 0 178.16 0 2353.9 0 2439.5 0 7.5211 6 341 2 2 3499.9 1.5741 34.6650 27.7616 61.7 2.68 116.3 0.040 34.6659 0 2.675 116.2 0 39.89 0 2.741 0 178.04 0 2352.1 0 2438.0 6 7.5191 0 340 1 1 3682.2 1.5758 34.6677 27.7637 61.2 2.73 118.8 0.040 -99.0000 0 2.731 118.6 3 39.41 3 2.715 3 178.40 3 2350.6 3 2434.2 3 7.5246 3