*2021/11/29 09:16:44.70 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2012/05/25 00:46:01.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 22 DATA DESCRIPTION : Bottle:Rosette:Up:Stop + CTD:Up FILE TYPE : ASCII CRC : 987B358F NUMBER OF CHANNELS : 13 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------------- --------------- -------------- -------------- 1 Sample_Number n/a 71 92 2 Bottle_Number n/a 1 22 3 Bottle:Firing_Sequence n/a 1 22 4 Pressure:CTD dbar 3 201.2 5 Temperature:CTD deg_C_(ITS90) 6.8759 11.0067 6 Salinity:CTD PSS-78 31.7037 33.9225 7 Sigma-t:CTD kg/m^3 24.2347 26.6128 8 Transmissivity:CTD %/m 62.2 65.9 9 Oxygen:Dissolved:CTD:Volume ml/l 2.26 6.75 10 Oxygen:Dissolved:CTD:Mass µmol/kg 98.2 294.2 11 Fluorescence:CTD:Seapoint mg/m^3 0.36E-01 0.358 12 Fluorescence:CTD:Wetlabs mg/m^3 0.145 0.718 13 PAR:CTD µE/m^2/sec 0 96.6 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 5 I I 0 2 -99 ' ' 3 I I 0 3 -99 ' ' 3 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 R4 1 9 -99 ' ' 7 F ' ' 2 10 -99 ' ' 6 F ' ' 1 11 -99 ' ' 8 F R4 3 12 -99 ' ' 8 F ' ' 3 13 -99 ' ' 7 F ' ' 1 $END *ADMINISTRATION MISSION : 2012-012 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 : P4 EVENT NUMBER : 12 LATITUDE : 48 38.98000 N ! (deg min) LONGITUDE : 126 39.93000 W ! (deg min) WATER DEPTH : 1309 *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-911plus SERIAL NUMBER : 0506 LOCATION : Mid-ship ! custom item *COMMENTS Analysis methods: ----------------- Salinity samples were collected in 200 ml type ll glass bottles with reusable silicone inserts supplied by Xiamen Cuten Accessories Industry Limited and screw caps supplied by Ocean Scientific International Limited. They were analyzed in a temperature-controlled lab on a Guildline 8400B Salinometer (S/N 68572) standardized with IAPSO standard seawater within 2 months after collection. The duplicate analysis is in file 2012-012_SAL.pdf. Oxygen samples were analyzed at sea on an automated Winkler titration system (Brinkmann Dosimat model 765 and a PC950 Colorimeter controlled by AutoOxy software V3.4) with modifications based on Carpenter (1965) and adhering to WOCE protocols (Culberson 1991). For details of the duplicate analysis see file 2012-012_OXY.pdf. Nutrient samples were collected in plastic tubes and analyzed at sea, except for the repeated P4 inbound samples. The repeated P4 inbound samples were frozen, or in the case of deep Silicate (400 dbar and deeper) stored cool, and analyzed at IOS. All samples were analyzed using an Astoria analyzer following methods described in Barwell-Clarke and Whitney (1996). See file 2012-012_NUT.pdf for duplicates and precision information. NOTE: July 2013: A correction has been applied to Nitrate_plus_Nitrite:Bottle and Phosphate:Bottle data from deep-water cruises analyzed at IOS between 2009 and 2012. For details see the report: Corrections_to_Nitrate_and_Phosphate_Data_2009-2012.pdf. Chlorophyll samples were filtered onto 25mm GF/F filters and stored in glass scintillation vials at -20C prior to analysis. Samples were extracted in 90% acetone at -20C for 24 hours and analyzed on a Turner 10AU fluorometer which is calibrated annually with commercially pure chlorophyll a (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 on board ship in a controlled temperature lab. When duplicate samples were collected the average of two samples is reported. Variability is assessed as the CV% (std dev / mean*100). For details on duplicate samples see file 2012-012_CHL.pdf. Phaeopigment data are provided for information only and no quality flags are assigned to them. The minimum detectable level for DMS is 0.10 nM, so “0” values should be interpreted as <0.10. For details on the collection and analysis of the DMS data see file 2012-012_DMS_Report.pdf and for duplicates see file 2012-012_DMS.pdf. The minimum detectable level for DMSP-D:Bottle is 0.1 nM, so “0” values should be interpreted as <0.1. The minimum detectable level for DMSP-T:Bottle in this file is 0.1 nM from 0 to 20 dbar, and 1 nM from 20 to 200 dbar, so “0” values should be interpreted as < those values. For details on analysis see document 2012-012_DMS_report.pdf. 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 ~4 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: ---------------------- Fluorescence, Transmissivity and PAR data are nominal and unedited except that some records were removed in editing temperature and salinity. For details on how the transmissivity calibration parameters were calculated see the document Transmissivity_Calculation.pdf. The Oxygen:Dissolved:CTD calibration was done using the method described in the Sea-Bird Application Note #64-2 (Sea-Bird_64-2_Jun2012.pdf). For details on the processing see processing report: 2012-012-proc.pdf NOTE: July 2013: A correction has been applied to Nitrate_plus_Nitrite:Bottle and Phosphate:Bottle data from deep-water cruises analyzed at IOS between 2009 and 2012. For details see the report: Corrections_to_Nitrate_and_Phosphate_Data_2009-2012.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-- !Samp Bo Bo Pressu Temperat Salinity Sigma-t: Trans Oxygen Oxyge Fluores Fluores PAR: !le_ tt tt re:CTD ure:CTD :CTD CTD missi :Disso n:Dis cence: cence: CTD !Numb ~u ~u vity: lved: solve CTD: CTD: !er mb en CTD CTD: d:CTD Seapoin Wetlabs ! er ce Volume :Mass t !---- -- -- ------ -------- -------- -------- ----- ------ ----- ------- ------- ------ *END OF HEADER 92 22 22 3.4 11.0061 31.7037 24.2348 62.2 6.75 294.0 0.167 0.363 83.7 91 21 21 3.3 11.0067 31.7037 24.2347 62.4 6.75 294.2 0.169 0.368 90.3 90 20 20 3.0 11.0060 31.7037 24.2348 62.5 6.74 293.8 0.143 0.382 96.6 89 19 19 3.5 11.0064 31.7037 24.2347 62.2 6.74 293.8 0.150 0.372 88.7 88 18 18 3.6 11.0066 31.7038 24.2348 62.3 6.75 294.1 0.155 0.375 88.7 87 17 17 51.4 8.5853 32.5598 25.2973 63.6 6.18 269.0 0.358 0.675 4.2 86 16 16 51.3 8.5776 32.5617 25.2999 64.1 6.18 268.9 0.316 0.682 4.2 85 15 15 51.5 8.5719 32.5643 25.3028 64.1 6.17 268.7 0.325 0.718 4.1 84 14 14 51.4 8.5779 32.5623 25.3003 64.3 6.18 269.0 0.353 0.690 4.3 83 13 13 51.1 8.5803 32.5615 25.2993 63.9 6.18 269.0 0.355 0.674 4.3 82 12 12 102.0 8.1853 33.0141 25.7132 63.8 4.75 206.9 0.151 0.297 0.2 81 11 11 102.0 8.1825 33.0176 25.7163 63.5 4.76 207.0 0.157 0.353 0.2 80 10 10 101.7 8.1839 33.0145 25.7137 63.9 4.75 206.6 0.136 0.290 0.2 79 9 9 101.9 8.1823 33.0168 25.7157 63.8 4.74 206.5 0.144 0.279 0.2 78 8 8 102.1 8.1838 33.0154 25.7144 63.3 4.75 206.9 0.162 0.332 0.2 77 7 7 151.4 7.3994 33.7687 26.4194 65.5 3.32 144.4 0.061 0.170 0.0 76 6 6 151.5 7.3985 33.7682 26.4191 65.9 3.32 144.2 0.054 0.171 0.0 75 5 5 151.7 7.3971 33.7693 26.4201 65.9 3.33 144.9 0.059 0.187 0.0 74 4 4 151.1 7.3975 33.7683 26.4193 65.9 3.33 144.8 0.053 0.175 0.0 73 3 3 151.2 7.3971 33.7674 26.4187 65.8 3.31 144.1 0.052 0.164 0.0 72 2 2 201.1 6.8759 33.9225 26.6128 65.8 2.26 98.2 0.041 0.145 0.0 71 1 1 201.2 6.8787 33.9221 26.6121 65.8 2.27 98.5 0.036 0.153 0.0