*2026/09/01 14:42:10.35 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/19 05:42:24.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 118 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : DD529EFA NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 3 120 2 Depth metres 3.013 118.729 3 Temperature:Primary 'deg C (ITS90)' 6.4437 9.8164 4 Conductivity:Primary S/m 3.385016 3.463588 5 Salinity:T0:C0 PSS-78 31.6146 33.9273 6 Oxygen:Dissolved:SBE mL/L 1.67 5.668 7 Oxygen:Dissolved:SBE umol/kg 72.6463 247.1174 8 Number_of_bin_records n/a 20 65 $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\2025-021-0017.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 : JdF-17 EVENT NUMBER : 17 LATITUDE : 48 24.48900 N ! (deg min) LONGITUDE : 124 10.97800 W ! (deg min) WATER DEPTH : 124 ALTIMETER (M) : 4.93 ! 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 11:49:02 8407 8407 CLEAN 5.3 2026/08/18 11:55:11 8407 8407 MERGEHDR 1.3 2026/08/21 10:08:11 8407 8407 DELETE 6.3 2026/08/25 09:03:41 8407 3626 SUPPRESS 1.1 2026/09/01 09:07:18 3626 3626 BINAVE 4.2.1 2026/09/01 09:13:00 3613 118 REMOVECH 8.2 2026/09/01 13:19:23 118 118 CHGUNITS 3.2 2026/09/01 13:22:10 118 118 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 110.27 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\2025-021-0017.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 19 2025 05:42:24 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: JdF-17 Depth: 124 System UTC = Jun 19 2025 05:42:24 # nquan = 15 # nvalues = 8407 # 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, 8407 # span 1 = 1.950, 120.271 # span 2 = 1.933, 119.216 # span 3 = 6.4420, 9.8177 # span 4 = 6.4422, 9.8180 # span 5 = 3.384931, 3.464207 # span 6 = 3.385265, 3.464315 # span 7 = 0.9471, 2.1050 # span 8 = 4.66, 100.00 # span 9 = 0, 1 # span 10 = -1.267, 1.219 # span 11 = 31.6087, 33.9282 # span 12 = 31.6124, 33.9312 # span 13 = 1.6572, 5.6857 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 19 2025 05:42:24 [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 11:37:51, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0017.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0017.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\2025-021-0017.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\2025-021-0017.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\2025-021-0017.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\2025-021-0017.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 10:32:20): Removed negative descent rates and a minor salinity spike ---------------------------------------------------------------------------------------- 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 9.8034 3.45927 31.6154 5.67 247.1 65 4.0 3.9 9.8051 3.45949 31.6156 5.67 247.1 43 5.0 4.9 9.8077 3.45977 31.6158 5.67 247.0 30 6.0 6.0 9.8043 3.45950 31.6156 5.66 246.8 29 7.0 6.9 9.8039 3.45950 31.6155 5.64 246.1 29 8.0 7.9 9.7984 3.45898 31.6146 5.63 245.4 25 9.0 8.9 9.7919 3.45849 31.6150 5.62 244.9 29 10.0 9.9 9.7849 3.45798 31.6155 5.62 245.1 28 11.0 10.9 9.7873 3.45838 31.6169 5.62 245.2 27 12.0 11.9 9.7908 3.45892 31.6190 5.63 245.5 27 13.0 12.9 9.7906 3.45895 31.6189 5.63 245.4 34 14.0 13.9 9.7956 3.45971 31.6220 5.64 245.7 31 15.0 14.9 9.7942 3.45959 31.6214 5.64 246.0 22 16.0 15.9 9.7952 3.45976 31.6219 5.64 245.9 21 17.0 16.9 9.7982 3.46022 31.6235 5.64 246.1 26 18.0 17.9 9.8012 3.46064 31.6247 5.65 246.3 38 19.0 18.8 9.7981 3.46032 31.6238 5.65 246.4 34 20.0 19.8 9.8005 3.46070 31.6250 5.65 246.3 24 21.0 20.8 9.8039 3.46124 31.6272 5.66 246.5 21 22.0 21.8 9.8054 3.46144 31.6274 5.66 246.7 23 23.0 22.9 9.8110 3.46224 31.6302 5.66 246.9 32 24.0 23.8 9.8164 3.46309 31.6336 5.66 246.9 38 25.0 24.8 9.8142 3.46310 31.6352 5.64 246.1 27 26.0 25.8 9.8140 3.46359 31.6400 5.59 243.7 23 27.0 26.8 9.7989 3.46265 31.6433 5.45 237.5 24 28.0 27.8 9.6991 3.45408 31.6416 5.22 227.7 24 29.0 28.8 9.4696 3.43858 31.6875 5.04 219.6 36 30.0 29.7 9.4218 3.43589 31.7018 4.98 217.0 33 31.0 30.7 9.4019 3.43500 31.7098 4.95 215.8 25 32.0 31.7 9.3843 3.43413 31.7161 4.90 213.6 23 33.0 32.7 9.3433 3.43215 31.7316 4.80 209.4 28 34.0 33.7 9.2644 3.42848 31.7639 4.70 205.0 27 35.0 34.7 9.2400 3.42816 31.7816 4.67 203.4 31 36.0 35.7 9.2331 3.42810 31.7867 4.65 202.8 33 37.0 36.7 9.2179 3.42800 31.7987 4.63 201.6 25 38.0 37.7 9.2004 3.42794 31.8133 4.58 199.8 24 39.0 38.7 9.1735 3.42818 31.8393 4.51 196.8 29 40.0 39.6 9.1122 3.42817 31.8935 4.43 193.0 30 41.0 40.6 9.0643 3.42867 31.9412 4.38 191.1 27 42.0 41.7 9.0469 3.42918 31.9617 4.37 190.6 30 43.0 42.6 9.0431 3.42936 31.9664 4.37 190.3 31 44.0 43.6 9.0332 3.43003 31.9819 4.36 189.8 26 45.0 44.6 9.0064 3.43168 32.0227 4.31 187.7 29 46.0 45.6 8.9299 3.43183 32.0927 4.23 184.2 28 47.0 46.6 8.8844 3.43180 32.1330 4.14 180.4 26 48.0 47.6 8.8284 3.42965 32.1611 4.03 175.5 31 49.0 48.5 8.7446 3.42872 32.2270 3.96 172.5 30 50.0 49.6 8.7069 3.42823 32.2558 3.93 171.4 24 51.0 50.6 8.6683 3.42755 32.2834 3.91 170.4 28 52.0 51.5 8.6552 3.42720 32.2912 3.87 168.6 34 53.0 52.5 8.6135 3.42646 32.3211 3.80 165.7 26 54.0 53.5 8.5872 3.42589 32.3388 3.76 163.9 24 55.0 54.5 8.5580 3.42513 32.3572 3.72 161.9 28 56.0 55.5 8.4791 3.42329 32.4097 3.60 156.9 32 57.0 56.5 8.3770 3.42130 32.4824 3.43 149.4 31 58.0 57.5 8.2386 3.42015 32.5978 3.26 142.2 29 59.0 58.5 8.1345 3.41916 32.6836 3.12 135.9 25 60.0 59.5 8.0056 3.41833 32.7948 3.00 130.9 26 61.0 60.5 7.9445 3.41753 32.8430 2.94 128.0 29 62.0 61.5 7.9104 3.41728 32.8719 2.90 126.1 29 63.0 62.5 7.8729 3.41702 32.9040 2.87 124.8 37 64.0 63.4 7.8485 3.41652 32.9213 2.81 122.4 31 65.0 64.4 7.8048 3.41488 32.9444 2.72 118.3 20 66.0 65.4 7.6065 3.40834 33.0616 2.63 114.3 22 67.0 66.5 7.5420 3.40614 33.0987 2.56 111.2 41 68.0 67.3 7.4905 3.40460 33.1309 2.51 109.1 35 69.0 68.4 7.4600 3.40388 33.1518 2.49 108.2 22 70.0 69.4 7.4480 3.40402 33.1643 2.47 107.3 24 71.0 70.4 7.4237 3.40401 33.1868 2.45 106.7 29 72.0 71.4 7.4053 3.40372 33.2010 2.44 106.2 46 73.0 72.3 7.4012 3.40370 33.2042 2.44 106.2 28 74.0 73.4 7.3904 3.40339 33.2107 2.44 106.2 22 75.0 74.4 7.3912 3.40357 33.2111 2.43 106.0 27 76.0 75.3 7.3913 3.40360 33.2112 2.43 106.0 39 77.0 76.3 7.3911 3.40369 33.2119 2.42 105.6 30 78.0 77.3 7.3758 3.40335 33.2224 2.38 103.5 31 79.0 78.3 7.2451 3.40054 33.3170 2.28 99.2 28 80.0 79.3 7.1395 3.39853 33.3966 2.19 95.4 23 81.0 80.3 7.0618 3.39719 33.4567 2.13 92.6 31 82.0 81.3 6.9656 3.39571 33.5337 2.06 89.9 44 83.0 82.2 6.9366 3.39532 33.5573 2.04 88.7 31 84.0 83.3 6.8849 3.39459 33.5992 2.01 87.3 23 85.0 84.3 6.8579 3.39412 33.6200 1.96 85.3 22 86.0 85.3 6.7437 3.39200 33.7065 1.90 82.8 31 87.0 86.2 6.6987 3.39107 33.7416 1.85 80.5 40 88.0 87.2 6.6455 3.39032 33.7853 1.80 78.2 30 89.0 88.2 6.5976 3.38911 33.8187 1.76 76.6 34 90.0 89.2 6.5367 3.38740 33.8597 1.73 75.1 28 91.0 90.2 6.4828 3.38596 33.8956 1.70 74.1 20 92.0 91.2 6.4711 3.38556 33.9033 1.69 73.7 29 93.0 92.2 6.4663 3.38550 33.9067 1.69 73.5 40 94.0 93.2 6.4492 3.38504 33.9182 1.68 73.3 36 95.0 94.1 6.4458 3.38502 33.9208 1.69 73.3 27 96.0 95.2 6.4457 3.38510 33.9213 1.69 73.4 24 97.0 96.2 6.4438 3.38515 33.9232 1.69 73.4 32 98.0 97.1 6.4437 3.38522 33.9237 1.69 73.3 34 99.0 98.2 6.4442 3.38530 33.9236 1.68 73.3 33 100.0 99.1 6.4445 3.38538 33.9237 1.68 73.3 37 101.0 100.1 6.4444 3.38548 33.9244 1.68 73.1 38 102.0 101.1 6.4441 3.38556 33.9251 1.68 73.1 31 103.0 102.1 6.4438 3.38561 33.9254 1.68 73.1 27 104.0 103.1 6.4444 3.38565 33.9247 1.68 73.1 27 105.0 104.1 6.4444 3.38572 33.9250 1.68 73.1 37 106.0 105.0 6.4445 3.38580 33.9254 1.68 73.0 41 107.0 106.0 6.4450 3.38584 33.9248 1.68 73.0 31 108.0 107.0 6.4445 3.38589 33.9254 1.68 73.0 25 109.0 108.1 6.4444 3.38597 33.9258 1.68 73.0 33 110.0 109.0 6.4444 3.38602 33.9259 1.68 73.0 45 111.0 110.0 6.4443 3.38606 33.9260 1.67 72.8 38 112.0 111.0 6.4446 3.38612 33.9259 1.68 73.0 33 113.0 112.0 6.4446 3.38622 33.9265 1.68 73.0 28 114.0 113.0 6.4440 3.38628 33.9273 1.67 72.8 27 115.0 114.1 6.4439 3.38633 33.9273 1.68 72.9 64 116.0 114.9 6.4440 3.38637 33.9272 1.67 72.8 35 117.0 116.0 6.4443 3.38645 33.9273 1.67 72.8 24 118.0 117.0 6.4444 3.38651 33.9273 1.67 72.6 28 119.0 118.0 6.4447 3.38656 33.9272 1.67 72.8 58 120.0 118.7 6.4449 3.38661 33.9271 1.67 72.7 24