*2026/09/28 08:10:06.64 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/10/16 05:58:33.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 73 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : 5DBDF420 NUMBER OF CHANNELS : 10 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- -------------------------- --------------- -------------- -------------- 1 Pressure decibar 2 74 2 Depth metres 2.45 73.475 3 Temperature:Primary 'deg C (ITS90)' 8.6201 12.9088 4 Conductivity:Primary S/m 3.529476 3.786925 5 Salinity:T0:C0 PSS-78 32.1404 33.3868 6 Oxygen:Dissolved:SBE mL/L 1.958 7.221 7 Oxygen:Dissolved:SBE umol/kg 85.2356 314.8702 8 Fluorescence:URU:Wetlabs mg/m^3 0.2E-02 4.767 9 PAR umol/m^2/sec 0 1.8 10 Number_of_bin_records n/a 3 78 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 7 F ' ' 1 2 -99 ' ' 7 F ' ' 1 3 -99 ' ' 9 F ' ' 4 4 -99 ' ' 10 F ' ' 5 5 -99 ' ' 9 F ' ' 4 6 -99 ' ' 7 F ' ' 2 7 -99 ' ' 6 F ' ' 1 8 -99 ' ' 8 F ' ' 3 9 -99 ' ' 7 F ' ' 1 10 ' ' ' ' 5 I I 0 $END $REMARKS This file converted from Sea-Bird file: C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps\5_DERIVE\2025-023-0127.cnv $END *ADMINISTRATION MISSION : 2025-023 AGENCY : IOS, Ocean Sciences Division, Sidney, B.C. COUNTRY : Canada PROJECT : Passive Acoustics SCIENTIST : Burnham R. PLATFORM : Vector *LOCATION GEOGRAPHIC AREA : Strait of Georgia/Juan de Fuca Strait/WCVI STATION : N3 EVENT NUMBER : 127 LATITUDE : 48 38.82000 N ! (deg min) LONGITUDE : 125 24.84000 W ! (deg min) WATER DEPTH : 74 ALTIMETER (M) : 5.08 ! custom item $REMARKS Altimeter value is distance from bottom and is calculated as the median of the deepest 2 metres of data. $END *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-911plus SERIAL NUMBER : 1222 $TABLE: SENSORS ! Name Abs Depth Serial No ! ----------------------------------- -------------- ---------- Temperature ' ' 2663 Conductivity ' ' 2280 'Pressure:Digiquartz with TC' ' ' 1222 Temperature:2 ' ' 5725 Conductivity:2 ' ' 1763 'Oxygen:SBE 43' ' ' 4367 'Fluorometer:WET Labs ECO-AFL/FL' ' ' FLRTD-2215 Altimeter ' ' 73171 PAR/Irradiance:Biospherical/Licor ' ' 70613 $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 2026/09/11 08:46:02 5453 5453 CLEAN 5.3 2026/09/11 09:14:02 5453 5453 DELETE 6.3 2026/09/11 13:10:54 5453 2188 SUPPRESS 1.1 2026/09/22 11:06:06 2188 2188 FILTERS 4.3 2026/09/25 09:11:19 2177 2177 BINAVE 4.2.1 2026/09/25 09:44:15 2177 73 REMOVECH 8.2 2026/09/25 10:25:36 73 73 CHGUNITS 3.2 2026/09/25 10:40:32 73 73 REORDER 1.3.1 2026/09/25 11:04:26 ? ? HDREDIT2 3.2 2026/09/28 08:10:06 ? ? $END $REMARKS -CLEAN functions: 2026/09/11 09:13:21 20 Reset #RECS, MIN & MAX values in header. Insert Pad Values in Channel: Fluorescence:URU:Wetlabs:ECO-AFL [mg/m^3] where channel Fluorescence:URU:Wetlabs:ECO-AFL [mg/m^3] is in the range -10 t 542 data records in pad range. Set event to last 3 characters of file name -The following DELETE parameters were used: Surface Record Removal: Last Press Min Maximum Surface Pressure (relative): 10.00 Surface Swell Pressure Tolerance: 1.00 Pressure filtered over width: 15 Swells deleted. Warning message if pressure difference of 2.00 Drop rates < 0.30m/s (calculated over 11 points) will be deleted. Drop rate applies in the range 10.00 to 64.53 dbars Sample interval (from FILE section of header) = 0.042 seconds. -The following FILTER parameters were used. Median filter was used. Filter width = 11 The following channel(s) were filtered. Fluorescence:URU:Wetlabs:ECO-AFL -The following BINAVE parameters were used: Bin channel = Pressure Averaging interval = 1.00 Minimum bin value = 0.000 Bin value was used Interpolated values were NOT used for empty bins Channel 'NUMBER_OF_BIN_RECORDS' was added to file. -REMOVECH 2026/09/25 10:25:36 The following CHANNEL(S) were removed: Scan_Number Temperature:Secondary [deg C (ITS90)] Conductivity:Secondary [S/m] Oxygen:Voltage:SBE [volts] Altimeter [metres] Status:Pump Descent_Rate [m/s] Salinity:T1:C1 [PSS-78] Flag Prediction_Flag -CHANGE units: Temperature reference channel: Temperature:Primary Salinity reference channel: Salinity:T0:C0 'Oxygen:Dissolved:SBE' changed from mL/L to umol/kg -HEADER EDITS: 2026/09/28 08:10:06 Applied edit header: C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\2025-023-HDR.TXT Channel 1: Pressure [decibar] Format: F10.3 ==> F7.1 Channel 2: Depth [metres] Name: Depth:Salt_Water ==> Depth Format: F10.3 ==> F7.1 Channel 4: Conductivity:Primary [S/m] Format: F11.6 ==> F10.5 Channel 6: Oxygen:Dissolved:SBE [mL/L] Format: F8.3 ==> F7.2 Channel 8: Fluorescence:URU:Wetlabs [mg/m^3] Name: Fluorescence:URU:Wetlabs:ECO-AFL ==> Fluorescence:URU:Wetlabs Channel 9: PAR [umol/m^2/sec] Format: F11.3 ==> F7.1 $END *COMMENTS SBE HEADER Sea-Bird SBE 9 Data File: FileName = C:\Users\Science1\Desktop\2025-023\2025-023-0127.hex Software Version Seasave V 7.26.7.121 Temperature SN = 2663 Conductivity SN = 2280 Number of Bytes Per Scan = 41 Number of Voltage Words = 4 Number of Scans Averaged by the Deck Unit = 1 Append System Time to Every Scan System UpLoad Time = Oct 16 2025 05:58:33 NMEA Latitude = 48 38.82 N NMEA Longitude = 125 24.84 W NMEA UTC (Time) = Oct 16 2025 05:51:45 Store Lat/Lon Data = Append to Every Scan SBE 11plus V 5.2 number of scans to average = 1 pressure baud rate = 9600 NMEA baud rate = 4800 GPIB address = 1 advance primary conductivity 0.073 seconds advance secondary conductivity 0.073 seconds autorun on power up is disabled S> Ship: Vector 2025-023 Station: N3 Depth: 74 System UTC = Oct 16 2025 05:58:33 # nquan = 17 # nvalues = 5453 # units = specified # name 0 = scan: Scan Count # name 1 = prDM: Pressure, Digiquartz [db] # name 2 = depSM: Depth [salt water, m] # name 3 = t090C: Temperature [ITS-90, deg C] # name 4 = t190C: Temperature, 2 [ITS-90, deg C] # name 5 = c0S/m: Conductivity [S/m] # name 6 = c1S/m: Conductivity, 2 [S/m] # name 7 = sbeox0V: Oxygen raw, SBE 43 [V] # name 8 = altM: Altimeter [m] # name 9 = pumps: Pump Status # name 10 = dz/dtM: Descent Rate [m/s] # name 11 = flECO-AFL: Fluorescence, WET Labs ECO-AFL/FL [mg/m^3] # name 12 = par: PAR/Irradiance, Biospherical/Licor # name 13 = sal00: Salinity, Practical [PSU] # name 14 = sal11: Salinity, Practical, 2 [PSU] # name 15 = sbeox0ML/L: Oxygen, SBE 43 [ml/l], WS = 2 # name 16 = flag: flag # span 0 = 1, 5453 # span 1 = 2.160, 74.529 # span 2 = 2.142, 73.886 # span 3 = 8.6170, 12.9192 # span 4 = 8.6162, 12.9175 # span 5 = 3.529295, 3.787729 # span 6 = 3.529327, 3.788086 # span 7 = 1.2010, 3.3248 # span 8 = 4.10, 76.75 # span 9 = 0, 1 # span 10 = -1.354, 1.673 # span 11 = -0.0562, 5.5702 # span 12 = 1.0000e-12, 3.1203e+00 # span 13 = 32.1280, 33.3885 # span 14 = 32.1299, 33.3897 # span 15 = 1.9474, 7.2594 # span 16 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Oct 16 2025 05:58:33 [System UTC, first data scan.] # bad_flag = -9.990e-29 # # # # # 2663 # 10-Jan-25 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.36563715e-003 # 6.42350536e-004 # 2.40542266e-005 # 2.42039173e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 2280 # 28-Jan-25 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -1.01897296e+001 # 1.37317538e+000 # -5.65881021e-003 # 4.71996825e-004 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 1222 # 09-Jan-25 # -4.347316e+004 # -5.952300e-002 # 1.148340e-002 # 3.616900e-002 # 0.000000e+000 # 3.018331e+001 # -3.346180e-004 # 3.804690e-006 # 2.740660e-009 # 1.00007632 # -0.64095 # 0.000000e+000 # 1.282870e-002 # -9.293680e+000 # # # # # # 5725 # 10-Jan-25 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.38084989e-003 # 6.41483004e-004 # 2.30380398e-005 # 2.18042055e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 1763 # 03-Jan-25 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -4.23007419e+000 # 5.08548000e-001 # -6.25095530e-004 # 5.59936257e-005 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 4367 # 06-Feb-25 # 1 # # # 0.0000 # 0.0000e+000 # 0.0000 # 0.00e+000 # 0.0000 # 0.0 # # # # 4.3641e-001 # -0.5158 # -2.8571e-003 # 1.0741e-004 # -1.6663e-006 # 2.5826e+000 # 1.92634e-004 # -4.64803e-002 # 3.6000e-002 # 0.8800 #

-3.3000e-002

#

5.0000e+003

#

1.4500e+003

#
#
#
# # # # FLRTD-2215 # 27-Nov-2018 # 1.20000000e+001 # # 0.0230 # # # # # # 73171 # 2024-01-30 # 15.000 # 0.000 # # # # # # # # # 70613 # 2021-02-24 # 1.00000000 # 0.00000000 # 8620689655.17000010 # 1.00000000 # -0.11660000 # # # # # # # # # # # #
# datcnv_date = Sep 10 2026 11:31:18, 7.26.7.129 [datcnv_vars = 13] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps \RawData\2025-023-0127.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps\ RawData\2025-023-0127.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Sep 10 2026 13:12:58, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSte ps\1_DATACNV\2025-023-0127.cnv # wildedit_pass1_nstd = 2.0 # wildedit_pass2_nstd = 5.0 # wildedit_pass2_mindelta = 0.000e+000 # wildedit_npoint = 50 # wildedit_vars = prDM depSM t090C t190C c0S/m c1S/m flECO-AFL par # wildedit_excl_bad_scans = yes # alignctd_date = Sep 10 2026 13:16:00, 7.26.7.129 # alignctd_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSte ps\2_WILDEDIT\2025-023-0127.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Sep 10 2026 13:19:26, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps \3_ALIGNCTD\2025-023-0127.cnv # celltm_alpha = 0.0245, 0.0245 # celltm_tau = 9.5000, 9.5000 # celltm_temp_sensor_use_for_cond = primary, secondary # Derive_date = Sep 10 2026 13:36:46, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps \4_CELLTM\2025-023-0127.cnv C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps\ RawData\2025-023-0001.XMLCON # derive_time_window_docdt = seconds: 2 # derive_ox_tau_correction = yes # file_type = ascii END* Remarks from CTDEDIT (2026/09/17 11:08:22): Removed data where descent rate was below zero and a spike in fluorescence. ---------------------------------------------------------------------------------------- Data Processing Notes: ---------------------- There was no calibration sampling but temperature, conductivity, pressure and dissolved oxygen sensors had all been recently serviced and recalibrated. For details on data processing see: 2025-023_Processing_Report.doc. !--1--- --2--- ---3---- ----4---- ---5---- --6--- --7-- ---8--- --9--- -10- !Pressu Depth Temperat Conductiv Salinity Oxygen Oxyge Fluores PAR Numb !re ure: ity: :T0:C0 : n: cence: er_o ! Primary Primary Dissol Disso URU: ~bin ! ved: lved: Wetlabs _rec ! SBE SBE ords !------ ------ -------- --------- -------- ------ ----- ------- ------ ---- *END OF HEADER 2.0 2.5 12.9088 3.78693 32.1404 7.22 314.8 4.044 1.8 6 3.0 2.9 12.8964 3.78587 32.1407 7.22 314.9 4.644 1.4 71 4.0 4.0 12.8819 3.78466 32.1411 7.22 314.7 4.767 0.8 31 5.0 5.0 12.8750 3.78422 32.1425 7.17 312.7 4.333 0.5 48 6.0 5.9 12.8560 3.78285 32.1453 7.09 309.1 4.584 0.2 33 7.0 6.9 12.8422 3.78185 32.1472 7.05 307.4 4.449 0.1 23 8.0 7.9 12.8422 3.78192 32.1475 7.03 306.5 4.066 0.1 25 9.0 8.9 12.8361 3.78151 32.1484 6.98 304.5 4.174 0.0 29 10.0 9.9 12.8232 3.78062 32.1501 6.95 302.9 4.041 0.0 24 11.0 10.9 12.8252 3.78076 32.1497 6.93 302.4 4.584 0.0 26 12.0 11.9 12.8218 3.78049 32.1497 6.89 300.5 4.552 0.0 24 13.0 12.9 12.8019 3.77908 32.1529 6.85 298.7 4.449 0.0 27 14.0 13.9 12.8004 3.77901 32.1531 6.82 297.4 4.117 0.0 41 15.0 14.8 12.7982 3.77892 32.1537 6.80 296.5 4.317 0.0 27 16.0 15.9 12.7961 3.77888 32.1547 6.77 295.2 4.255 0.0 21 17.0 16.9 12.7954 3.77891 32.1552 6.74 293.9 4.149 0.0 21 18.0 17.9 12.7938 3.77908 32.1578 6.68 291.4 4.205 0.0 25 19.0 18.9 12.7580 3.77713 32.1699 6.44 280.7 4.605 0.0 33 20.0 19.8 12.5746 3.76451 32.2057 6.03 262.7 3.399 0.0 46 21.0 20.8 12.4862 3.75790 32.2181 5.86 255.5 2.540 0.0 25 22.0 21.8 12.4300 3.75369 32.2256 5.80 252.9 2.472 0.0 18 23.0 22.8 12.4064 3.75182 32.2276 5.77 251.5 2.834 0.0 18 24.0 23.8 12.3948 3.75081 32.2275 5.75 250.7 2.127 0.0 20 25.0 24.9 12.3580 3.74755 32.2275 5.73 249.7 2.289 0.0 26 26.0 25.8 12.3292 3.74498 32.2272 5.70 248.7 1.825 0.0 46 27.0 26.7 12.3134 3.74374 32.2285 5.62 245.2 1.801 0.0 31 28.0 27.7 12.2134 3.73772 32.2565 5.51 240.3 1.950 0.0 26 29.0 28.8 12.1633 3.73451 32.2684 5.44 237.2 1.921 0.0 26 30.0 29.7 12.1404 3.73339 32.2771 5.34 232.8 1.943 0.0 26 31.0 30.7 12.0997 3.73291 32.3071 5.16 225.0 1.637 0.0 25 32.0 31.8 12.0196 3.73115 32.3592 4.84 211.2 1.269 0.0 29 33.0 32.7 11.6854 3.71374 32.4811 4.56 198.8 1.197 0.0 30 34.0 33.7 11.5685 3.70580 32.5059 4.41 192.0 0.929 0.0 23 35.0 34.7 11.3173 3.68640 32.5365 4.34 189.3 0.594 0.0 21 36.0 35.7 11.1137 3.66861 32.5408 4.23 184.4 0.534 0.0 25 37.0 36.7 10.8243 3.64326 32.5459 4.09 178.2 0.479 0.0 30 38.0 37.7 10.7616 3.64278 32.5966 4.04 176.0 0.380 0.0 35 39.0 38.7 10.8206 3.64918 32.6072 4.03 175.6 0.527 0.0 26 40.0 39.7 10.8356 3.65164 32.6179 3.96 172.5 0.524 0.0 23 41.0 40.6 10.8294 3.65885 32.6946 3.76 163.9 0.477 0.0 24 42.0 41.6 10.6386 3.65155 32.7924 3.54 154.3 0.318 0.0 15 43.0 42.6 10.4439 3.63894 32.8408 3.38 147.2 0.208 0.0 19 44.0 43.6 10.2932 3.62786 32.8653 3.25 141.7 0.230 0.0 19 45.0 44.6 10.0939 3.61174 32.8828 3.15 137.1 0.127 0.0 6 46.0 45.7 9.9359 3.59909 32.8978 3.05 132.9 0.221 0.0 38 47.0 46.5 9.8749 3.59509 32.9123 2.96 129.1 0.214 0.0 33 48.0 47.6 9.8025 3.59097 32.9360 2.88 125.4 0.193 0.0 17 49.0 48.6 9.7178 3.58761 32.9788 2.82 123.0 0.193 0.0 3 50.0 49.6 9.6807 3.58876 33.0242 2.78 121.1 -99.000 0.0 17 51.0 50.7 9.6492 3.58982 33.0635 2.74 119.2 0.036 0.0 27 52.0 51.5 9.6136 3.58870 33.0845 2.68 116.8 0.220 0.0 44 53.0 52.5 9.5598 3.58682 33.1143 2.62 113.9 0.129 0.0 20 54.0 53.5 9.4163 3.57684 33.1438 2.55 111.0 0.076 0.0 4 55.0 54.5 9.3200 3.57142 33.1768 2.50 109.0 0.154 0.0 12 56.0 55.5 9.2913 3.56977 33.1859 2.47 107.6 0.049 0.0 24 57.0 56.5 9.2487 3.56696 33.1960 2.44 106.3 0.260 0.0 17 58.0 57.5 9.1939 3.56359 33.2116 2.41 105.1 -99.000 0.0 21 59.0 58.5 9.1370 3.56072 33.2345 2.37 103.1 -99.000 0.0 28 60.0 59.5 9.0538 3.55495 33.2517 2.33 101.3 -99.000 0.0 29 61.0 60.5 8.9970 3.55198 33.2734 2.27 98.6 -99.000 0.0 27 62.0 61.5 8.8705 3.54495 33.3182 2.20 95.6 0.178 0.0 4 63.0 62.4 8.7749 3.53770 33.3317 2.14 93.1 0.090 0.0 3 64.0 63.5 8.7087 3.53317 33.3462 2.09 91.1 -99.000 0.0 23 65.0 64.5 8.6635 3.53089 33.3644 2.04 89.0 0.092 0.0 26 66.0 65.3 8.6391 3.52986 33.3761 2.01 87.6 0.138 0.0 14 67.0 66.4 8.6324 3.52967 33.3800 2.00 87.1 -99.000 0.0 17 68.0 67.4 8.6368 3.52988 33.3776 2.00 86.9 -99.000 0.0 17 69.0 68.5 8.6382 3.53003 33.3773 1.99 86.7 -99.000 0.0 25 70.0 69.4 8.6356 3.53000 33.3790 1.99 86.5 -99.000 0.0 37 71.0 70.5 8.6311 3.52990 33.3817 1.98 86.1 0.002 0.0 14 72.0 71.3 8.6284 3.52984 33.3833 1.97 85.7 0.193 0.0 78 73.0 72.3 8.6201 3.52948 33.3868 1.96 85.3 0.176 0.0 67 74.0 73.5 8.6245 3.52978 33.3854 1.96 85.2 0.092 0.0 51