*2026/09/01 14:42:11.78 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/20 10:10:10.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 66 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : E8AD7739 NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 3 68 2 Depth metres 2.917 67.247 3 Temperature:Primary 'deg C (ITS90)' 9.2219 13.1003 4 Conductivity:Primary S/m 3.368732 3.445313 5 Salinity:T0:C0 PSS-78 28.7906 31.4855 6 Oxygen:Dissolved:SBE mL/L 4.121 7.912 7 Oxygen:Dissolved:SBE umol/kg 179.6718 345.8892 8 Number_of_bin_records n/a 21 76 $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 ' ' ' ' 5 I I 0 $END $REMARKS This file converted from Sea-Bird file: C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\5_DERIVE\2025-021-0042.cnv $END *ADMINISTRATION MISSION : 2025-021 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 : SCstar_1 EVENT NUMBER : 42 LATITUDE : 48 46.14000 N ! (deg min) LONGITUDE : 123 20.38200 W ! (deg min) WATER DEPTH : 73 ALTIMETER (M) : 5.18 ! 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 : 0506 $TABLE: SENSORS ! Name Abs Depth Serial No ! --------------------------------- -------------- ---------- Temperature ' ' 2374 Conductivity ' ' 4448 'Pressure:Digiquartz with TC' ' ' 0506 Temperature:2 ' ' 4883 Conductivity:2 ' ' 4434 'Oxygen:SBE 43' ' ' 3234 'Fluorometer:WET Labs ECO-AFL/FL' ' ' FLRTD-2216 'Transmissometer:WET Labs C-Star' ' ' 983DR Altimeter ' ' 73171 $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 2026/08/18 11:49:23 4870 4870 CLEAN 5.3 2026/08/18 11:55:31 4870 4870 MERGEHDR 1.3 2026/08/21 10:08:31 4870 4870 DELETE 6.3 2026/08/25 09:03:58 4870 1845 SUPPRESS 1.1 2026/09/01 09:07:29 1845 1845 BINAVE 4.2.1 2026/09/01 09:13:06 1777 66 REMOVECH 8.2 2026/09/01 13:19:23 66 66 CHGUNITS 3.2 2026/09/01 13:22:10 66 66 REORDER 1.3.1 2026/09/01 14:38:41 ? ? HDREDIT2 3.2 2026/09/01 14:42:11 ? ? $END $REMARKS -CLEAN functions: 2026/08/18 11:55:06 20 Reset #RECS, MIN & MAX values in header. 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 58.98 dbars Sample interval (from FILE section of header) = 0.042 seconds. -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 2026/09/01 13:19:23 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: 2026/09/01 14:42:11 Applied edit header: C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\2025-021-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 $END *COMMENTS SBE HEADER Sea-Bird SBE 9 Data File: FileName = C:\Users\Science1\Desktop\2025 surveys\2025-021\2025-021-0042.hex Software Version Seasave V 7.26.7.121 Temperature SN = 2374 Conductivity SN = 4448 Number of Bytes Per Scan = 30 Number of Voltage Words = 4 Number of Scans Averaged by the Deck Unit = 1 System UpLoad Time = Jun 20 2025 10:10:10 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 2025-021 Station: SCstar_1 Depth: 73 System UTC = Jun 20 2025 10:10:10 # nquan = 15 # nvalues = 4870 # units = specified # name 0 = scan: Scan Count # name 1 = prDM: Pressure, Digiquartz [db] # name 2 = depSM: Depth [salt water, m], lat = 49.00 # 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 = sal00: Salinity, Practical [PSU] # name 12 = sal11: Salinity, Practical, 2 [PSU] # name 13 = sbeox0ML/L: Oxygen, SBE 43 [ml/l], WS = 2 # name 14 = flag: flag # span 0 = 1, 4870 # span 1 = 1.748, 68.977 # span 2 = 1.733, 68.381 # span 3 = 9.2126, 13.1525 # span 4 = 9.2125, 13.1456 # span 5 = 3.368372, 3.447552 # span 6 = 3.368742, 3.447649 # span 7 = 1.6421, 2.8742 # span 8 = 5.03, 77.29 # span 9 = 0, 1 # span 10 = -1.103, 1.131 # span 11 = 28.7717, 31.4962 # span 12 = 28.7768, 31.4993 # span 13 = 4.1082, 7.9781 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 20 2025 10:10:10 [System UTC, header] # bad_flag = -9.990e-29 # # # # # 2374 # 16-Feb-23 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.34942344e-003 # 6.46175615e-004 # 2.37716416e-005 # 2.28119084e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 4448 # 23-Feb-24 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -9.86463880e+000 # 1.67024593e+000 # -4.09529056e-003 # 4.36167918e-004 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 0506 # 22-Feb-23 # -4.957807e+004 # -1.280011e+000 # 1.485710e-002 # 4.021200e-002 # 0.000000e+000 # 3.037224e+001 # -6.696188e-004 # 3.897170e-006 # 3.287590e-009 # 0.99994981 # -0.38861 # 0.000000e+000 # 1.280810e-002 # -9.210198e+000 # # # # # # 4883 # 23-Feb-23 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.38035734e-003 # 6.40425941e-004 # 2.15429978e-005 # 1.82657280e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 4434 # 23-Feb-24 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -9.81866781e+000 # 1.71652661e+000 # -2.26528183e-003 # 2.87111018e-004 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 3234 # 16-Nov-24 # 1 # # # 0.0000 # 0.0000e+000 # 0.0000 # 0.00e+000 # 0.0000 # 0.0 # # # # 5.0998e-001 # -0.5273 # -1.2630e-003 # 6.1572e-005 # -1.3839e-006 # 2.5826e+000 # 1.92634e-004 # -4.64803e-002 # 3.6000e-002 # 1.6000 #

-3.3000e-002

#

5.0000e+003

#

1.4500e+003

#
#
#
# # # # FLRTD-2216 # 8-Mar-17 # 1.20000000e+001 # # 0.0440 # # # # # # 983DR # 13-Feb-2024 # 20.5678 # -1.1559 # 0.250 # # # # # # # # # 73171 # 2024-01-30 # 15.000 # 0.000 # # # # # # # # # # # #
# datcnv_date = Aug 18 2026 11:38:20, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0042.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0042.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Aug 18 2026 11:41:12, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\1_DATACNV\2025-021-0042.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 # wildedit_excl_bad_scans = yes # alignctd_date = Aug 18 2026 11:42:14, 7.26.7.129 # alignctd_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\2_WILDEDIT\2025-021-0042.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Aug 18 2026 11:43:08, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\3_ALIGNCTD\2025-021-0042.cnv # celltm_alpha = 0.0245, 0.0245 # celltm_tau = 9.5000, 9.5000 # celltm_temp_sensor_use_for_cond = primary, secondary # Derive_date = Aug 18 2026 11:44:55, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\4_CELLTM\2025-021-0042.cnv C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\ Raw CTD data\2025-021-0001.XMLCON # derive_time_window_docdt = seconds: 2 # derive_ox_tau_correction = yes # file_type = ascii END* Remarks from CTDEDIT (2026/08/27 07:58:54): Removed negative descent rates and a few minor spikes ---------------------------------------------------------------------------------------- Data Processing Notes: ---------------------- There was no calibration sampling but temperature, conductivity, pressure and dissolved oxygen sensors had all been recently serviced and recalibrated. Note: there are both a fluorimeter and transmissometer listed, however there was no valid data. Channels were not included. For details on data processing see: 2025-021_Processing_Report.doc. !--1--- --2--- ---3---- ----4---- ---5---- --6--- --7-- -8-- !Pressu Depth Temperat Conductiv Salinity Oxygen Oxyge Numb !re ure: ity: :T0:C0 : n: er_o ! Primary Primary Dissol Disso ~bin ! ved: lved: _rec ! SBE SBE ords !------ ------ -------- --------- -------- ------ ----- ---- *END OF HEADER 3.0 2.9 13.1003 3.44531 28.7906 7.91 345.9 76 4.0 3.9 13.0466 3.44248 28.8047 7.82 342.0 42 5.0 4.9 12.9154 3.43688 28.8520 7.49 327.5 33 6.0 5.9 12.5322 3.42212 29.0071 7.19 314.1 31 7.0 7.0 12.2197 3.41440 29.1759 7.01 306.1 21 8.0 7.9 12.0922 3.41079 29.2408 6.82 297.8 26 9.0 8.9 11.9493 3.40795 29.3255 6.57 286.8 25 10.0 9.9 11.6275 3.40057 29.5087 6.36 277.9 26 11.0 10.9 11.3831 3.39342 29.6344 6.28 274.4 24 12.0 11.9 11.2959 3.39177 29.6880 6.25 273.1 25 13.0 12.9 11.2697 3.39110 29.7022 6.21 271.0 25 14.0 13.9 11.2379 3.39042 29.7208 6.13 267.5 23 15.0 14.9 11.1287 3.38791 29.7841 6.02 262.8 26 16.0 15.9 10.9728 3.38409 29.8729 5.92 258.6 24 17.0 16.8 10.8253 3.37830 29.9359 5.82 254.2 25 18.0 17.8 10.7487 3.37644 29.9799 5.74 250.5 26 19.0 18.8 10.7045 3.37727 30.0239 5.69 248.3 25 20.0 19.8 10.6604 3.37736 30.0607 5.65 246.7 25 21.0 20.8 10.6240 3.37575 30.0742 5.61 244.8 25 22.0 21.8 10.5354 3.37314 30.1212 5.54 241.9 25 23.0 22.8 10.4429 3.37022 30.1683 5.49 239.6 25 24.0 23.8 10.4113 3.36873 30.1793 5.46 238.2 25 25.0 24.8 10.4047 3.36898 30.1868 5.47 238.8 25 26.0 25.8 10.4072 3.37019 30.1964 5.48 239.4 24 27.0 26.8 10.4053 3.37134 30.2090 5.45 238.1 25 28.0 27.7 10.3877 3.37438 30.2534 5.48 239.2 25 29.0 28.7 10.4258 3.38326 30.3096 5.48 239.3 25 30.0 29.7 10.3814 3.38398 30.3532 5.43 237.1 25 31.0 30.7 10.3433 3.38306 30.3741 5.39 235.1 22 32.0 31.7 10.2957 3.38473 30.4315 5.33 232.5 26 33.0 32.7 10.2458 3.38464 30.4721 5.28 230.2 24 34.0 33.7 10.2080 3.38333 30.4903 5.23 228.2 25 35.0 34.7 10.1796 3.38336 30.5141 5.18 226.1 25 36.0 35.7 10.1414 3.38307 30.5429 5.16 225.1 25 37.0 36.7 10.1302 3.38247 30.5460 5.13 224.0 26 38.0 37.7 10.1143 3.38196 30.5539 5.10 222.7 24 39.0 38.7 10.0984 3.38210 30.5682 5.07 221.2 25 40.0 39.6 10.0822 3.38317 30.5922 5.02 219.1 26 41.0 40.7 10.0292 3.38533 30.6548 4.93 215.2 23 42.0 41.6 9.8954 3.38752 30.7937 4.84 211.0 25 43.0 42.6 9.8642 3.38752 30.8198 4.79 209.1 25 44.0 43.6 9.8493 3.38767 30.8338 4.76 207.9 25 45.0 44.6 9.8275 3.38815 30.8568 4.74 206.9 26 46.0 45.6 9.8040 3.38845 30.8796 4.72 206.1 25 47.0 46.6 9.7887 3.38881 30.8959 4.70 205.0 25 48.0 47.6 9.7672 3.38926 30.9184 4.65 203.0 26 49.0 48.6 9.7311 3.39003 30.9568 4.58 199.8 25 50.0 49.6 9.6273 3.39253 31.0712 4.52 197.3 25 51.0 50.6 9.5796 3.39332 31.1201 4.50 196.0 25 52.0 51.5 9.5680 3.39327 31.1292 4.47 194.9 25 53.0 52.5 9.5479 3.39327 31.1462 4.43 193.3 25 54.0 53.5 9.5132 3.39366 31.1800 4.40 192.0 26 55.0 54.5 9.4852 3.39401 31.2073 4.37 190.7 25 56.0 55.5 9.4688 3.39435 31.2247 4.35 189.6 25 57.0 56.5 9.4253 3.39515 31.2704 4.32 188.2 25 58.0 57.5 9.4124 3.39537 31.2834 4.31 187.8 25 59.0 58.5 9.4021 3.39564 31.2947 4.30 187.5 25 60.0 59.5 9.3908 3.39591 31.3070 4.28 186.7 25 61.0 60.5 9.3773 3.39621 31.3214 4.28 186.6 25 62.0 61.5 9.3677 3.39644 31.3318 4.27 186.2 25 63.0 62.5 9.3508 3.39680 31.3498 4.22 184.2 25 64.0 63.5 9.3030 3.39787 31.4023 4.17 182.0 25 65.0 64.5 9.2462 3.39874 31.4606 4.15 180.8 25 66.0 65.4 9.2327 3.39892 31.4739 4.14 180.5 33 67.0 66.4 9.2257 3.39906 31.4812 4.13 179.9 43 68.0 67.2 9.2219 3.39919 31.4855 4.12 179.7 28