*2026/09/01 14:42:14.27 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/22 06:18:47.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 44 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : 22076B5F NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 2 45 2 Depth metres 2.485 44.601 3 Temperature:Primary 'deg C (ITS90)' 8.7245 13.2555 4 Conductivity:Primary S/m 0.89138E-01 3.205409 5 Salinity:T0:C0 PSS-78 0.6049 29.9272 6 Oxygen:Dissolved:SBE mL/L 4.047 9.363 7 Oxygen:Dissolved:SBE umol/kg 176.651 418.1168 8 Number_of_bin_records n/a 4 55 $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\2025-021-0087.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 : HS12 EVENT NUMBER : 87 LATITUDE : 49 40.60300 N ! (deg min) LONGITUDE : 123 10.28800 W ! (deg min) WATER DEPTH : 53 ALTIMETER (M) : 5.15 ! 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 11:50:04 7274 7274 CLEAN 5.3 2026/08/18 11:56:04 7274 7274 MERGEHDR 1.3 2026/08/21 10:09:13 7274 7274 DELETE 6.3 2026/08/25 09:04:28 7274 1270 SUPPRESS 1.1 2026/09/01 09:07:48 1270 1270 BINAVE 4.2.1 2026/09/01 09:13:15 1267 44 REMOVECH 8.2 2026/09/01 13:19:25 44 44 CHGUNITS 3.2 2026/09/01 13:22:11 44 44 REORDER 1.3.1 2026/09/01 14:38:41 ? ? HDREDIT2 3.2 2026/09/01 14:42:14 ? ? $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 35.83 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 13:19:25 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 14:42:14 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\2025-021-0087.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 22 2025 06:18:47 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: HS12 Depth: 53 System UTC = Jun 22 2025 06:18:47 # nquan = 15 # nvalues = 7274 # 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, 7274 # span 1 = 1.976, 45.835 # span 2 = 1.959, 45.442 # span 3 = 8.7234, 14.0737 # span 4 = 8.7238, 14.0687 # span 5 = 0.067792, 3.205862 # span 6 = 0.067908, 3.205955 # span 7 = 1.6018, 2.6752 # span 8 = 4.37, 50.87 # span 9 = 0, 1 # span 10 = -0.933, 1.037 # span 11 = 0.4554, 29.9291 # span 12 = 0.4562, 29.9314 # span 13 = 4.0367, 9.4856 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 22 2025 06:18:47 [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 11:39:16, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0087.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0087.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Aug 18 2026 11:41:17, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\1_DATACNV\2025-021-0087.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 11:42:19, 7.26.7.129 # alignctd_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\2_WILDEDIT\2025-021-0087.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Aug 18 2026 11:43:13, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\3_ALIGNCTD\2025-021-0087.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 11:45:02, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\4_CELLTM\2025-021-0087.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 13:05:56): Removed negative descent rates ---------------------------------------------------------------------------------------- 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 2.5 11.2980 0.08914 0.6049 8.69 388.3 4 3.0 2.9 11.3016 0.09111 0.6188 8.68 387.7 41 4.0 4.0 11.3053 0.09429 0.6413 8.79 392.4 33 5.0 4.9 11.3044 0.09515 0.6474 9.36 418.1 29 6.0 6.0 12.2178 1.02474 8.0589 8.65 384.2 28 7.0 7.0 13.2555 2.92499 23.9416 7.18 315.1 25 8.0 7.9 12.3846 3.04080 25.5548 6.74 295.5 26 9.0 8.9 11.8919 3.08921 26.3481 6.42 281.1 27 10.0 9.9 11.5295 3.11874 26.8860 6.16 269.6 26 11.0 10.9 11.1317 3.13013 27.2861 5.96 260.5 25 12.0 11.9 10.8754 3.13201 27.4945 5.82 254.4 26 13.0 12.9 10.6684 3.13332 27.6627 5.70 249.4 26 14.0 13.9 10.3881 3.13264 27.8689 5.66 247.5 25 15.0 14.9 10.0902 3.13554 28.1266 5.59 244.5 27 16.0 15.9 9.9453 3.14201 28.3035 5.42 237.0 25 17.0 16.9 9.7303 3.14398 28.4919 5.25 229.3 25 18.0 17.8 9.5665 3.14488 28.6306 5.06 220.9 26 19.0 18.8 9.4586 3.14944 28.7623 4.85 211.9 26 20.0 19.8 9.3912 3.15572 28.8797 4.81 210.0 25 21.0 20.8 9.3490 3.16236 28.9806 4.81 210.1 26 22.0 21.8 9.3104 3.16833 29.0721 4.75 207.7 26 23.0 22.8 9.2611 3.17036 29.1323 4.69 204.8 25 24.0 23.8 9.2276 3.17220 29.1780 4.68 204.6 25 25.0 24.8 9.1944 3.17371 29.2202 4.73 206.4 26 26.0 25.8 9.1408 3.17531 29.2800 4.71 205.9 26 27.0 26.8 9.0734 3.17345 29.3159 4.57 199.4 25 28.0 27.8 8.9958 3.17071 29.3515 4.39 191.9 26 29.0 28.7 8.8913 3.17171 29.4476 4.30 188.0 25 30.0 29.7 8.8395 3.17307 29.5041 4.28 186.9 25 31.0 30.7 8.8140 3.17518 29.5466 4.32 188.8 26 32.0 31.7 8.7939 3.17638 29.5754 4.44 194.0 26 33.0 32.7 8.7850 3.17791 29.5981 4.46 194.5 25 34.0 33.7 8.7737 3.18004 29.6290 4.34 189.6 25 35.0 34.7 8.7685 3.18142 29.6472 4.27 186.4 26 36.0 35.7 8.7587 3.18349 29.6764 4.22 184.1 25 37.0 36.7 8.7512 3.18521 29.7000 4.17 182.0 25 38.0 37.7 8.7449 3.18737 29.7272 4.12 180.1 26 39.0 38.7 8.7344 3.19077 29.7706 4.11 179.3 25 40.0 39.7 8.7274 3.19282 29.7972 4.13 180.2 28 41.0 40.7 8.7245 3.19452 29.8168 4.12 179.8 49 42.0 41.6 8.7250 3.19693 29.8408 4.07 177.6 50 43.0 42.6 8.7259 3.19944 29.8656 4.05 176.7 50 44.0 43.6 8.7254 3.20226 29.8948 4.05 176.8 55 45.0 44.6 8.7251 3.20541 29.9272 4.06 177.2 55