*2026/09/01 14:42:10.12 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/18 22:17:53.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 35 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : B2B2E2E1 NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 3 37 2 Depth metres 3.224 36.381 3 Temperature:Primary 'deg C (ITS90)' 9.2566 12.0698 4 Conductivity:Primary S/m 3.450132 3.59271 5 Salinity:T0:C0 PSS-78 30.9965 31.9972 6 Oxygen:Dissolved:SBE mL/L 2.28 11.694 7 Oxygen:Dissolved:SBE umol/kg 99.4028 510.2637 8 Number_of_bin_records n/a 6 47 $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\2025-021-0009.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 : Nitinat North EVENT NUMBER : 9 LATITUDE : 48 38.96000 N ! (deg min) LONGITUDE : 124 54.17000 W ! (deg min) WATER DEPTH : 48 ALTIMETER (M) : 10.11 ! 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 11:49:00 4689 4689 CLEAN 5.3 2026/08/18 11:55:09 4689 4689 DELETE 6.3 2026/08/25 09:03:39 4689 991 SUPPRESS 1.1 2026/09/01 09:07:17 991 991 BINAVE 4.2.1 2026/09/01 09:13:00 864 35 REMOVECH 8.2 2026/09/01 13:19:23 35 35 CHGUNITS 3.2 2026/09/01 13:22:10 35 35 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 27.54 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 14:42:10 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\2025-021-0009.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 22:17:53 NMEA Latitude = 48 38.96 N NMEA Longitude = 124 54.17 W NMEA UTC (Time) = Jun 18 2025 22:09:07 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: Nitinat North Depth: 48 System UTC = Jun 18 2025 22:17:53 # nquan = 15 # nvalues = 4689 # 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, 4689 # span 1 = 1.724, 37.543 # span 2 = 1.709, 37.222 # span 3 = 9.2006, 12.2271 # span 4 = 9.2016, 12.2257 # span 5 = 3.449429, 3.606612 # span 6 = 3.449697, 3.606750 # span 7 = -0.0003, 5.0003 # span 8 = 9.21, 45.23 # span 9 = 0, 1 # span 10 = -1.534, 1.827 # span 11 = 30.9693, 32.0357 # span 12 = 30.9752, 32.0369 # span 13 = -23.5608, 46.9459 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 18 2025 22:17:53 [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 11:37:47, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0009.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0009.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\2025-021-0009.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\2025-021-0009.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\2025-021-0009.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\2025-021-0009.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 10:00:01): 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 3.0 3.2 12.0698 3.59271 30.9967 10.62 463.5 19 4.0 4.0 11.9119 3.57906 30.9965 11.69 510.3 27 5.0 5.0 11.8406 3.57553 31.0215 10.50 458.1 21 6.0 6.0 11.7432 3.56902 31.0396 9.21 401.9 19 7.0 6.9 11.4948 3.55124 31.0750 9.03 393.8 19 8.0 8.0 11.2626 3.53843 31.1452 8.81 384.6 27 9.0 8.8 11.0156 3.52492 31.2217 8.55 373.1 47 10.0 9.9 10.7651 3.51327 31.3200 -99.00 -99.0 21 11.0 10.9 10.5341 3.50420 31.4264 -99.00 -99.0 16 12.0 12.0 10.1971 3.49145 31.5920 -99.00 -99.0 25 13.0 12.9 10.1903 3.49095 31.5925 -99.00 -99.0 31 14.0 13.9 10.0816 3.48321 31.6090 -99.00 -99.0 23 15.0 14.9 9.8744 3.47027 31.6594 2.28 99.4 6 16.0 15.9 9.7950 3.46598 31.6852 3.97 173.1 25 17.0 16.9 9.7898 3.46596 31.6891 5.17 225.5 32 18.0 17.8 9.7361 3.46308 31.7068 5.25 228.7 28 19.0 18.8 9.6317 3.45834 31.7502 5.16 224.9 22 20.0 19.9 9.6131 3.45778 31.7605 5.14 223.9 21 21.0 20.9 9.5597 3.45595 31.7886 5.14 224.0 31 22.0 21.7 9.5287 3.45551 31.8112 5.14 223.9 37 23.0 22.8 9.5302 3.45723 31.8271 5.14 223.9 21 24.0 23.8 9.5234 3.45822 31.8403 5.14 224.1 14 25.0 24.8 9.4847 3.45685 31.8614 5.11 222.6 16 26.0 25.9 9.4788 3.45655 31.8644 5.10 222.3 37 27.0 26.8 9.4706 3.45641 31.8695 5.01 218.6 24 28.0 27.7 9.4557 3.45650 31.8835 4.87 212.1 17 29.0 28.7 9.3796 3.45510 31.9366 4.73 206.3 13 30.0 29.7 9.3284 3.45375 31.9680 4.64 202.3 14 31.0 30.8 9.2938 3.45219 31.9825 4.62 201.2 16 32.0 31.8 9.2621 3.45020 31.9899 4.64 202.1 45 33.0 32.7 9.2588 3.45013 31.9918 4.59 199.9 25 34.0 33.7 9.2577 3.45016 31.9927 4.58 199.4 20 35.0 34.7 9.2594 3.45036 31.9927 4.58 199.8 22 36.0 35.6 9.2594 3.45045 31.9932 4.60 200.6 36 37.0 36.4 9.2566 3.45063 31.9972 4.48 195.1 16