*2024/10/23 15:22:13.80 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2024/01/31 22:37:10.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 1 DATA DESCRIPTION : Bottle:Rosette:Up:Stop + CTD:Up FILE TYPE : ASCII CRC : 3A4B86B5 NUMBER OF CHANNELS : 14 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- --------------------------- --------------- -------------- -------------- 1 Bottle_Number n/a 1 1 2 Bottle:Firing_Sequence n/a 1 1 3 Pressure decibar 48.777 48.777 4 Depth metres 48.343 48.343 5 Temperature:Secondary 'deg C (ITS90)' 5.2853 5.2853 6 Transmissivity %/metre 57.5 57.5 7 Transmissivity:Green %/metre 87.7 87.7 8 Fluorescence:URU:Seapoint mg/m^3 0.724 0.724 9 Salinity:T1:C1 PSS-78 32.4677 32.4677 10 Oxygen:Dissolved:SBE mL/L 6.9 6.9 11 Oxygen:Dissolved:SBE umol/kg 300.5 300.5 12 Conductivity:Secondary S/m 3.152734 3.152734 13 Number_of_bin_records n/a 241 241 14 Sample_Number n/a 267 267 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 3 I I 0 2 -99 ' ' 3 I I 0 3 -99 ' ' 7 F ' ' 1 4 -99 ' ' 7 F ' ' 1 5 -99 ' ' 9 F ' ' 4 6 -99 ' ' 6 F ' ' 1 7 -99 ' ' 6 F ' ' 1 8 -99 ' ' 8 F ' ' 3 9 -99 ' ' 9 F ' ' 4 10 -99 ' ' 7 F ' ' 2 11 -99 ' ' 6 F ' ' 1 12 -99 ' ' 10 F ' ' 5 13 -99 ' ' 5 I I 0 14 -99 ' ' 5 I I 0 $END $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 *ADMINISTRATION MISSION : 2024-002 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 & Strait of Georgia STATION : Seamount EVENT NUMBER : 57 LATITUDE : 52 31.38000 N ! (deg min) LONGITUDE : 148 53.04000 W ! (deg min) WATER DEPTH : 4336 *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-911plus SERIAL NUMBER : 0506 LOCATION : Mid-ship ! custom item $TABLE: SENSORS ! Name Abs Depth Serial No ! ----------------------------------- -------------- ---------- Temperature ' ' 2374 Conductivity ' ' 3184 'Pressure:Digiquartz with TC' ' ' 0506 Temperature:2 ' ' 4883 Conductivity:2 ' ' 4395 'Oxygen:SBE 43' ' ' 0997 Fluorometer:Seapoint ' ' 3949 'Fluorometer:WET Labs ECO-AFL/FL' ' ' FLRTD-2215 Altimeter ' ' 79487 PAR/Irradiance:Biospherical/Licor ' ' 70613 'Transmissometer:WET Labs C-Star' ' ' 1185DR 'Transmissometer:WET Labs C-Star:2' ' ' 1883DG $END $REMARKS Software Version Seasave V 7.26.7.121 $END *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! -------- ------ ---------- -------- --------- --------- SBE_IOS 4.3 2024/08/15 09:11:33 241 241 CLEAN 5.3 2024/08/15 09:11:50 241 241 ADDSAMP 3.6 2024/08/15 10:26:55 241 241 BINAVE 4.2.1 2024/08/23 15:30:50 241 1 MERGE 3.6 2024/08/23 15:31:30 1 1 CLEAN 5.3 2024/08/30 12:52:07 1 1 CALIB 12.1 2024/08/30 12:52:11 1 1 CALIB 12.1 2024/08/30 12:58:30 1 1 SORT 3.6 2024/08/30 16:04:21 1 1 REMOVECH 8.2 2024/08/30 16:11:15 1 1 CHGUNITS 3.2 2024/08/30 16:11:31 1 1 CHGUNITS 3.2 2024/08/30 16:11:53 1 1 REORDER 1.3.1 2024/10/02 10:38:14 ? ? HDREDIT2 3.2 2024/10/02 10:41:56 ? ? HDREDIT2 3.2 2024/10/23 15:22:13 ? ? $END $REMARKS -CLEAN functions: 2024/08/15 09:11:44 20 Reset #RECS, MIN & MAX values in header. Interpolation by Channel 1: Scan_Number [n/a] in Pressure Set event to last 4 characters of file name -The following ADDSAMP parameters were used: Sample Number Lookup File: E:\Telework\2024-002\Processing\hydro\addsamp.csv Bottle Channel Name: Bottle_Number -The following BINAVE parameters were used: Bin channel = Bottle_Number Averaging interval = 1.00 Minimum bin value = 0.000 Average value was used Interpolated values were NOT used for empty bins Channel 'NUMBER_OF_BIN_RECORDS' was added to file. -The following MERGE parameters were used: 2024/08/23 15:31:30 Merge Channel: Bottle_Number Merge Scheme Used: 4: Add Secondary to Matching Primary Overlap Scheme Used: Keep Primary Primary Channels to Include: ALL Secondary Channels to Include: Bottle:Position, Salinity:Bottle, Flag:Salinity:Bottle, Chlorophyll:Extracted, Flag:Chlorophyll:Extracted, Phaeo-Pigment:Extracted, Oxygen:Dissolved, Flag:Oxygen:Dissolved, Temperature:Draw, Nitrate_plus_Nitrite, Flag:Nitrate_plus_Nitrite, Silicate, Flag:Silicate, Phosphate, Flag:Phosphate, Dimethyl_Sulphide, Flag:Dimethyl_Sulphide, Dimethylsulfoniopropionate_Dissolved, Flag:Dimethylsulfoniopropionate_Dissolved, Dimethylsulfoniopropionate_Total, Flag:Dimethylsulfoniopropionate_Total, Ammonium, Flag:Ammonium Primary file : E:\Telework\2024-002\Processing\hydro\2024-002-0057.samavg Secondary file: E:\Telework\2024-002\Processing\hydro\2024-002-0057.mrgcln1s 1 secondary records matched to primary records. Comments from secondary file: E:\Telework\2024-002\Processing\hydro\2024-002-0057.mrgcln1s ------------------------------------------------------------ -CLEAN functions: 2024/08/15 12:58:56 20 Reduce header to sections: FIL HIS COM Remarks removed from kept sections. Reset #RECS, MIN & MAX values in header. -SORT parameters: 2024/08/15 12:59:00 Sorted in ascending order of channel Bottle_Number -CLEAN functions: 2024/08/30 12:52:01 20 Reset #RECS, MIN & MAX values in header. Remove Sea-Bird comments from the header. -CALIB parameters: 2024/08/30 12:52:11 Calibration type = Correct Mode: ONLY - calibration specs from Cal File only. Calibration file = E:\Telework\2024-002\Processing\doc\2024-002-recal-SIL.CCF WARNING: No calibration done on file E:\Telework\2024-002\Processing\hydro\2024-002-0057.mrgcorsil -CALIB parameters: 2024/08/30 12:58:30 Calibration type = Correct Mode: ONLY - calibration specs from Cal File only. Calibration file = E:\Telework\2024-002\Processing\doc\2024-002-rcal1.ccf Calibrations applied: Ch Name Units Fmla Coefficents -- ----------------------------- --------- --- ----------------------------- 21 Oxygen:Dissolved:SBE mL/L 10 0.3200000E-01 0.1023200E+01 -SORT parameters: 2024/08/30 16:04:21 Sorted in ascending order of channel Pressure -REMOVECH 2024/08/30 16:11:15 The following CHANNEL(S) were removed: Scan_Number Temperature:Primary [deg C (ITS90)] Conductivity:Primary [S/m] Fluorescence:URU:Wetlabs:ECO-AFL [mg/m^3] Oxygen:Voltage:SBE [volts] PAR [umol/m^2/sec] Descent_Rate [m/s] Status:Pump Altimeter [metres] Salinity:T0:C0 [PSS-78] Flag -CHANGE units: Temperature reference channel: Temperature:Secondary Salinity reference channel: Salinity:T1:C1 'Oxygen:Dissolved:SBE' changed from mL/L to umol/kg -CHANGE units: Temperature reference channel: Temperature:Draw Salinity reference channel: Salinity:T1:C1 - No units changed -HEADER EDITS: 2024/10/02 10:41:56 Applied edit header: E:\Telework\2024-002\Processing\doc\HYDRO\2024-002-bot-hdr506.txt Channel 2: Bottle:Firing_Sequence [n/a] Name: Bottle_Number ==> Bottle:Firing_Sequence Channel 1: Bottle_Number [n/a] Name: Bottle:Position ==> Bottle_Number Channel 3: Pressure [decibar] Format: F10.3 ==> F7.1 Channel 6: Transmissivity [%/metre] Name: Transmissivity:1 ==> Transmissivity Channel 7: Transmissivity:Green [%/metre] Name: Transmissivity:2 ==> Transmissivity:Green Channel 9: Salinity:T1:C1 [PSS-78] Format: F11.4 ==> F9.4 Channel 10: Oxygen:Dissolved:SBE [mL/L] Format: F8.3 ==> F7.2 Channel 12: Conductivity:Secondary [S/m] Format: F11.6 ==> F10.5 Channel 13: Number_of_bin_records [n/a] Pad: ' ' ==> -99 Channel 4: Depth [metres] Name: Depth:Salt_Water ==> Depth Format: F10.3 ==> F7.1 -HEADER EDITS: 2024/10/23 15:22:13 $END *COMMENTS Analysis methods: ----------------- Chlorophyll samples were filtered onto 25mm GF/F filters and immediately frozen and stored in a -80C freezer until analysis. All samples were returned to the Institute of Ocean Sciences and analyzed 3-6 weeks after the cruise on a Turner Trilogy 7200-000 fluorometer, using methods described in Holm-Hansen et al (1965). Fluorescence readings taken before and after sample acidification were used to calculate chlorophyll and phaeopigment concentrations. For details see worksheet “CV%” in file QF2024-002_CHL*.xlsx. NOTE: Flags and comments apply to chlorophyll values only. No flags or comments are assigned for Phaeo-Pigment values. 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 including a precision analysis, see document QF2024-002_OXY*.xls. 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 on a Guildline 8400B Salinometer standardized with IAPSO standard seawater 11 - 25 days after collection. For details including a duplicate analysis, see document QF2024-002_SAL*.xlsx. Nutrient samples were collected in plastic tubes and quick frozen in aluminum blocks stored in a -20C freezer. For samples 400m and deeper a second set of samples are collected and stored cool for silicate analysis. All samples were returned to the Institute of Ocean Sciences and they were analyzed using an Astoria-Pacific Analyzer following methods described in IOS Nutrient Methods (1996) Barwell-Clarke and Whitney. For details including a duplicate analysis, see document QF2024-002nuts*.xlsx. The minimum detectable level for DMS is 0.1 nM, so “0” values should be interpreted as <0.1 nM. DMS data are limited to 2 significant figures. Unless otherwise indicated the % relative difference between duplicates is <20%. All samples were run on an 8890 Gas Chromatograph system. For more details on analysis see documents "DMS summary (2024-002).xls". The minimum detectable level for DMSP is 0.1 nM, so “0” values should be interpreted as <0.1 nM. DMSP data are limited to 2 significant figures. Unless otherwise indicated the % relative difference between duplicates is <20%. For more details including method, raw data and duplicates, see document "QF2023-088_DMSP.xls”. A report on DMS and DMSP is in document 2024-002 DMS report.doc. References: 1. 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. 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. 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. * For PDF versions of these papers see folder \\Cruise_Data\DOCUMENTS\Analysis Reference Papers --------------------------------------------------------------------------------- CTD Data Processing Notes: -------------------------- Conductivity, Transmissivity, Fluorescence and PAR data are nominal and unedited except that some records were removed in editing temperature and salinity. NOTE: While the SBE fluorescence 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. There were 2 WetLabs CStar transmissometers in use during this cruise: Channel Transmissometer refers to sensor #1185DR (650nm - red) Channel Transmissometer:Green refers to sensor #1883DG (530nm - green) For comparison with other Institute of Ocean Sciences cruises, note that the transmissometer wavelength is 650nm unless otherwise stated. Two different CTDs were used during this cruise. For details on the processing see the report: 2024-002_Processing_Report.doc. *CALIBRATION $TABLE: CORRECTED CHANNELS ! Name Units Fmla Pad Coefficients ! ---------------------- ------ ---- ------ ------------ Oxygen:Dissolved:SBE mL/L 10 -99 () (0.32E-01 1.0232) $END !1- 2- --3--- --4--- ---5---- --6-- --7-- ---8--- ---9---- --10-- --11- ----12--- -13- -14- !Bo Bo Pressu Depth Temperat Trans Trans Fluores Salinity Oxygen Oxyge Conductiv Numb Samp !tt tt re ure: missi missi cence: :T1:C1 : n: ity: er_o le_ !~u ~u Secondar vity vity: URU: Dissol Disso Secondary ~bin Numb !mb en y Green Seapoin ved: lved: _rec er !er ce t SBE SBE ords !-- -- ------ ------ -------- ----- ----- ------- -------- ------ ----- --------- ---- ---- *END OF HEADER 1 1 48.8 48.3 5.2853 57.5 87.7 0.724 32.4677 6.90 300.5 3.15273 241 267