*2026/09/01 14:42:12.25 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/20 15:30:21.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 85 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : 1841D06D NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 3 87 2 Depth metres 3.039 85.721 3 Temperature:Primary 'deg C (ITS90)' 10.1369 11.3516 4 Conductivity:Primary S/m 3.381636 3.400477 5 Salinity:T0:C0 PSS-78 29.7311 30.5941 6 Oxygen:Dissolved:SBE mL/L 5.041 6.404 7 Oxygen:Dissolved:SBE umol/kg 219.9637 279.6774 8 Number_of_bin_records n/a 2 40 $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\2025-021-0050.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 : swanson channel EVENT NUMBER : 50 LATITUDE : 48 44.26200 N ! (deg min) LONGITUDE : 123 15.59800 W ! (deg min) WATER DEPTH : 91 ALTIMETER (M) : 5.4 ! 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 11:49:28 11151 11151 CLEAN 5.3 2026/08/18 11:55:36 11151 11151 MERGEHDR 1.3 2026/08/21 10:08:36 11151 11151 DELETE 6.3 2026/08/25 09:04:03 11151 2323 SUPPRESS 1.1 2026/09/01 09:07:31 2323 2323 BINAVE 4.2.1 2026/09/01 09:13:07 2217 85 REMOVECH 8.2 2026/09/01 13:19:24 85 85 CHGUNITS 3.2 2026/09/01 13:22:10 85 85 REORDER 1.3.1 2026/09/01 14:38:41 ? ? HDREDIT2 3.2 2026/09/01 14:42:12 ? ? $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 78.73 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 13:19:24 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 14:42:12 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\2025-021-0050.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 15:30:21 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: swanson channel Depth: 91 System UTC = Jun 20 2025 15:30:21 # nquan = 15 # nvalues = 11151 # 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, 11151 # span 1 = 2.230, 88.730 # span 2 = 2.211, 87.959 # span 3 = 9.9995, 11.4068 # span 4 = 9.9908, 11.4245 # span 5 = 3.380715, 3.402361 # span 6 = 3.381267, 3.403029 # span 7 = 1.8913, 2.3993 # span 8 = 5.30, 100.00 # span 9 = 0, 1 # span 10 = -1.112, 1.143 # span 11 = 29.7050, 30.7350 # span 12 = 29.6964, 30.7458 # span 13 = 4.9622, 6.5774 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 20 2025 15:30:21 [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 11:38:28, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0050.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0050.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Aug 18 2026 11:41:13, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\1_DATACNV\2025-021-0050.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\2025-021-0050.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Aug 18 2026 11:43:09, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\3_ALIGNCTD\2025-021-0050.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 11:44:56, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\4_CELLTM\2025-021-0050.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 08:47:39): 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 3.0 11.3516 3.40048 29.7311 6.40 279.7 40 4.0 3.9 11.3303 3.39988 29.7422 6.38 278.7 29 5.0 4.9 11.3178 3.39952 29.7483 6.37 278.0 25 6.0 6.0 11.2956 3.39881 29.7589 6.31 275.4 25 7.0 6.9 11.2352 3.39683 29.7880 6.27 273.7 24 8.0 7.9 11.2171 3.39625 29.7966 6.24 272.4 21 9.0 8.9 11.1871 3.39527 29.8110 6.19 270.3 23 10.0 9.9 11.1734 3.39477 29.8168 6.02 263.1 25 11.0 10.9 11.0082 3.39113 29.9150 5.79 252.9 23 12.0 11.9 10.6885 3.38481 30.1143 5.62 245.2 19 13.0 12.9 10.5572 3.38252 30.1996 5.53 241.5 22 14.0 13.9 10.5328 3.38288 30.2229 5.49 239.6 28 15.0 14.8 10.5102 3.38328 30.2453 5.51 240.5 19 16.0 15.9 10.4858 3.38351 30.2674 5.50 240.0 19 17.0 16.9 10.4598 3.38322 30.2855 5.42 236.7 22 18.0 17.8 10.3853 3.38235 30.3386 5.38 234.8 26 19.0 18.8 10.3444 3.38219 30.3708 5.35 233.6 20 20.0 19.8 10.3209 3.38201 30.3883 5.34 233.1 21 21.0 20.8 10.3232 3.38219 30.3877 5.32 232.3 22 22.0 21.8 10.2999 3.38183 30.4032 5.30 231.5 25 23.0 22.8 10.2889 3.38164 30.4101 5.30 231.5 24 24.0 23.8 10.2878 3.38172 30.4114 5.29 231.0 28 25.0 24.8 10.2914 3.38187 30.4096 5.30 231.1 23 26.0 25.8 10.2786 3.38167 30.4177 5.29 230.7 24 27.0 26.8 10.2784 3.38180 30.4188 5.29 230.6 19 28.0 27.8 10.2753 3.38183 30.4213 5.29 230.6 20 29.0 28.8 10.2710 3.38199 30.4261 5.27 230.0 20 30.0 29.7 10.2708 3.38206 30.4267 5.27 230.1 26 31.0 30.7 10.2756 3.38213 30.4228 5.27 230.0 27 32.0 31.7 10.2551 3.38250 30.4433 5.25 229.0 24 33.0 32.7 10.2457 3.38267 30.4524 5.23 228.4 24 34.0 33.7 10.2367 3.38300 30.4629 5.23 228.2 26 35.0 34.7 10.2421 3.38291 30.4571 5.24 228.5 28 36.0 35.7 10.2539 3.38248 30.4426 5.24 228.9 25 37.0 36.7 10.2548 3.38259 30.4424 5.25 229.1 24 38.0 37.7 10.2551 3.38273 30.4432 5.24 228.5 27 39.0 38.7 10.2468 3.38315 30.4539 5.23 228.1 27 40.0 39.7 10.2192 3.38440 30.4891 5.21 227.2 25 41.0 40.7 10.2146 3.38464 30.4950 5.19 226.7 25 42.0 41.7 10.2057 3.38508 30.5064 5.19 226.5 28 43.0 42.6 10.2013 3.38528 30.5118 5.19 226.4 25 44.0 43.6 10.1969 3.38549 30.5171 5.18 226.3 24 45.0 44.6 10.1978 3.38553 30.5163 5.20 226.7 22 46.0 45.6 10.1941 3.38573 30.5210 5.19 226.3 22 47.0 46.6 10.1933 3.38582 30.5223 5.18 226.1 21 48.0 47.6 10.1926 3.38588 30.5230 5.18 226.0 24 49.0 48.6 10.1917 3.38595 30.5240 5.18 226.0 26 50.0 49.6 10.1920 3.38597 30.5236 5.18 226.1 27 51.0 50.6 10.1912 3.38604 30.5245 5.18 226.2 26 52.0 51.6 10.1919 3.38608 30.5239 5.18 226.1 24 53.0 52.6 10.1924 3.38617 30.5240 5.18 226.0 25 54.0 53.5 10.1945 3.38618 30.5220 5.18 225.9 24 55.0 54.5 10.1947 3.38624 30.5220 5.18 226.0 26 56.0 55.5 10.1959 3.38626 30.5208 5.18 225.9 27 57.0 56.5 10.1980 3.38628 30.5189 5.17 225.4 26 58.0 57.5 10.1916 3.38648 30.5257 5.17 225.6 26 59.0 58.5 10.1943 3.38648 30.5231 5.17 225.8 26 60.0 59.5 10.1969 3.38648 30.5205 5.18 225.9 25 61.0 60.5 10.1970 3.38653 30.5205 5.17 225.8 27 62.0 61.5 10.1916 3.38668 30.5261 5.17 225.6 27 63.0 62.5 10.1896 3.38674 30.5280 5.17 225.7 25 64.0 63.4 10.1883 3.38682 30.5294 5.18 225.9 25 65.0 64.4 10.1804 3.38697 30.5372 5.17 225.4 26 66.0 65.4 10.1772 3.38705 30.5403 5.16 225.1 27 67.0 66.4 10.1793 3.38705 30.5381 5.16 225.3 27 68.0 67.4 10.1805 3.38709 30.5370 5.16 225.1 25 69.0 68.4 10.1824 3.38713 30.5355 5.16 225.2 26 70.0 69.4 10.1816 3.38726 30.5371 5.16 225.0 26 71.0 70.4 10.1748 3.38776 30.5470 5.15 224.6 23 72.0 71.4 10.1628 3.38831 30.5626 5.14 224.3 25 73.0 72.4 10.1590 3.38844 30.5666 5.13 224.0 21 74.0 73.4 10.1511 3.38853 30.5738 5.13 224.0 26 75.0 74.3 10.1558 3.38860 30.5701 5.14 224.2 27 76.0 75.4 10.1588 3.38866 30.5678 5.13 224.1 26 77.0 76.3 10.1590 3.38859 30.5665 5.13 224.1 26 78.0 77.3 10.1573 3.38879 30.5695 5.14 224.2 26 79.0 78.3 10.1517 3.38921 30.5780 5.14 224.1 26 80.0 79.3 10.1507 3.38925 30.5789 5.14 224.2 26 81.0 80.3 10.1530 3.38932 30.5773 5.13 223.9 26 82.0 81.3 10.1518 3.38934 30.5781 5.13 223.9 27 83.0 82.3 10.1510 3.38925 30.5774 5.12 223.6 26 84.0 83.3 10.1454 3.38968 30.5860 5.12 223.3 26 85.0 84.3 10.1391 3.38969 30.5911 5.09 222.2 26 86.0 85.2 10.1369 3.38985 30.5941 5.04 220.0 22 87.0 85.7 -99.0000 -99.00000 -99.0000 -99.00 -99.0 2