*2026/09/01 14:42:10.05 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/18 20:42:14.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 65 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : 5B085522 NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 2 66 2 Depth metres 2.371 65.426 3 Temperature:Primary 'deg C (ITS90)' 6.6126 11.0592 4 Conductivity:Primary S/m 3.392245 3.553693 5 Salinity:T0:C0 PSS-78 31.4701 33.8501 6 Oxygen:Dissolved:SBE mL/L 1.585 7.523 7 Oxygen:Dissolved:SBE umol/kg 68.95431 328.0905 8 Number_of_bin_records n/a 6 53 $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\2025-021-0007.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 : Swiftusure EVENT NUMBER : 7 LATITUDE : 48 31.07000 N ! (deg min) LONGITUDE : 124 56.23000 W ! (deg min) WATER DEPTH : 72 ALTIMETER (M) : 10.6 ! 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' ' ' 4099 '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 11:48:59 5885 5885 CLEAN 5.3 2026/08/18 11:55:08 5885 5885 DELETE 6.3 2026/08/25 09:03:38 5885 1732 SUPPRESS 1.1 2026/09/01 09:07:17 1732 1732 BINAVE 4.2.1 2026/09/01 09:13:00 1714 65 REMOVECH 8.2 2026/09/01 13:19:22 65 65 CHGUNITS 3.2 2026/09/01 13:22:10 65 65 REORDER 1.3.1 2026/09/01 14:38:41 ? ? HDREDIT2 3.2 2026/09/01 14:42:10 ? ? $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 56.56 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 13:19:22 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 14:42:10 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\2025-021-0007.hex Software Version Seasave V 7.26.7.121 Temperature SN = 2374 Conductivity SN = 4448 Number of Bytes Per Scan = 37 Number of Voltage Words = 4 Number of Scans Averaged by the Deck Unit = 1 System UpLoad Time = Jun 18 2025 20:42:14 NMEA Latitude = 48 31.07 N NMEA Longitude = 124 56.23 W NMEA UTC (Time) = Jun 18 2025 20:34:52 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 2025-021 Station: Swiftusure Depth: 72 System UTC = Jun 18 2025 20:42:14 # nquan = 15 # nvalues = 5885 # 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 = 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, 5885 # span 1 = 1.525, 66.563 # span 2 = 1.513, 65.991 # span 3 = 6.5632, 11.1070 # span 4 = 6.5608, 11.1042 # span 5 = 3.389516, 3.559447 # span 6 = 3.389706, 3.559559 # span 7 = -0.0002, 5.0003 # span 8 = 0.00, 79.05 # span 9 = 0, 1 # span 10 = -1.614, 1.690 # span 11 = 31.3337, 33.8713 # span 12 = 31.0384, 33.8737 # span 13 = -19.3356, 50.7429 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 18 2025 20:42:14 [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 # # # # # # 4099 # 31-Jan-23 # 1 # # # 0.0000 # 0.0000e+000 # 0.0000 # 0.00e+000 # 0.0000 # 0.0 # # # # 5.6131e-001 # -0.5178 # -3.0643e-003 # 1.7162e-004 # -3.0163e-006 # 2.5826e+000 # 1.92634e-004 # -4.64803e-002 # 3.6000e-002 # 1.7700 #

-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 11:37:46, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0007.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0007.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Aug 18 2026 11:41:09, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\1_DATACNV\2025-021-0007.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 11:42:11, 7.26.7.129 # alignctd_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\2_WILDEDIT\2025-021-0007.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Aug 18 2026 11:43:05, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\3_ALIGNCTD\2025-021-0007.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 11:44:51, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\4_CELLTM\2025-021-0007.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 (2026/08/25 09:56:55): Removed negative descent rates and an oxygen spike between 10-15m ---------------------------------------------------------------------------------------- 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 2.0 2.4 11.0592 3.55369 31.4701 5.43 236.9 6 3.0 3.0 11.0358 3.55207 31.4740 5.55 242.3 39 4.0 4.0 11.0146 3.55051 31.4763 7.32 319.3 40 5.0 4.9 10.9843 3.54819 31.4790 7.52 328.1 29 6.0 6.0 10.9298 3.54402 31.4842 6.92 301.6 23 7.0 6.9 10.8403 3.53683 31.4897 6.75 294.3 19 8.0 7.9 10.4549 3.51025 31.5580 6.71 292.4 16 9.0 8.9 10.2782 3.50245 31.6330 6.59 287.5 18 10.0 10.0 10.0931 3.49377 31.7071 6.45 281.0 27 11.0 10.8 10.0419 3.48997 31.7132 6.35 276.8 14 12.0 11.8 10.0224 3.48842 31.7143 -99.00 -99.0 22 13.0 12.9 10.0218 3.48840 31.7141 -99.00 -99.0 19 14.0 13.9 9.9550 3.48401 31.7280 -99.00 -99.0 20 15.0 14.9 9.6310 3.47647 31.9376 -99.00 -99.0 27 16.0 15.9 9.4385 3.47383 32.0817 -99.00 -99.0 34 17.0 16.8 9.3398 3.47351 32.1667 4.61 200.9 22 18.0 17.9 9.2812 3.47433 32.2274 4.96 215.9 25 19.0 18.8 9.1772 3.46882 32.2641 5.02 218.9 33 20.0 19.8 9.1270 3.46812 32.3020 5.09 221.8 28 21.0 20.8 9.1032 3.47039 32.3465 5.12 223.0 20 22.0 21.8 9.0832 3.47754 32.4383 4.97 216.5 17 23.0 22.9 8.9779 3.47585 32.5165 4.61 200.7 21 24.0 23.8 8.5553 3.45568 32.6944 3.99 173.7 35 25.0 24.7 8.4031 3.44658 32.7393 3.73 162.4 19 26.0 25.8 8.3901 3.44544 32.7389 3.67 160.1 17 27.0 26.9 8.3155 3.44062 32.7569 3.51 153.0 31 28.0 27.7 8.1515 3.43273 32.8261 3.31 144.1 36 29.0 28.7 8.0910 3.43486 32.9050 3.21 139.6 18 30.0 29.8 8.0459 3.43755 32.9756 3.21 140.0 16 31.0 30.8 7.9828 3.44046 33.0647 3.27 142.2 22 32.0 31.6 7.9559 3.44149 33.1017 3.23 140.7 31 33.0 32.7 7.9313 3.44179 33.1277 3.09 134.6 17 34.0 33.7 7.8705 3.44117 33.1783 3.05 132.9 15 35.0 34.7 7.8299 3.44025 33.2066 3.03 132.0 17 36.0 35.8 7.7951 3.44000 33.2365 3.01 130.9 44 37.0 36.6 7.7828 3.44018 33.2498 2.99 130.3 32 38.0 37.6 7.7319 3.44186 33.3159 2.95 128.2 24 39.0 38.7 7.7118 3.44311 33.3482 2.94 127.8 25 40.0 39.7 7.6999 3.44385 33.3671 2.94 127.9 41 41.0 40.6 7.6965 3.44421 33.3738 2.91 126.5 19 42.0 41.6 7.6903 3.44455 33.3828 2.90 126.1 14 43.0 42.7 7.6855 3.44463 33.3879 2.90 126.4 18 44.0 43.6 7.6733 3.44448 33.3966 2.89 125.7 30 45.0 44.6 7.6516 3.44427 33.4156 2.89 125.7 21 46.0 45.6 7.6373 3.44402 33.4262 2.89 125.9 19 47.0 46.6 7.6109 3.44359 33.4464 2.63 114.5 20 48.0 47.6 7.5756 3.44324 33.4761 2.69 117.1 22 49.0 48.6 7.5247 3.44248 33.5165 2.69 117.2 31 50.0 49.5 7.4794 3.44081 33.5417 2.62 113.8 43 51.0 50.5 7.4451 3.43927 33.5577 2.55 110.8 28 52.0 51.5 7.4310 3.43856 33.5632 2.54 110.4 22 53.0 52.6 7.4180 3.43783 33.5674 2.52 109.7 30 54.0 53.4 7.4062 3.43719 33.5715 2.48 107.8 36 55.0 54.5 7.3981 3.43684 33.5751 2.47 107.4 17 56.0 55.5 7.3914 3.43670 33.5794 2.48 108.0 17 57.0 56.6 7.3865 3.43717 33.5887 2.50 109.0 36 58.0 57.4 7.3897 3.43806 33.5950 2.53 110.2 53 59.0 58.4 7.3949 3.43932 33.6032 2.52 109.5 21 60.0 59.5 7.3781 3.43891 33.6174 2.47 107.6 12 61.0 60.5 7.3032 3.43531 33.6476 2.40 104.6 21 62.0 61.5 7.2532 3.43221 33.6620 2.29 99.5 34 63.0 62.5 7.0948 3.42230 33.7080 2.04 88.8 35 64.0 63.5 6.8756 3.40877 33.7740 1.84 80.0 41 65.0 64.3 6.7338 3.39982 33.8146 1.69 73.5 37 66.0 65.4 6.6126 3.39224 33.8501 1.58 69.0 34