*2026/09/01 14:42:10.83 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/06/19 13:49:53.000 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 : 3DA480BD NUMBER OF CHANNELS : 8 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 2 119 2 Depth metres 2.342 117.866 3 Temperature:Primary 'deg C (ITS90)' 6.6453 9.8358 4 Conductivity:Primary S/m 3.391591 3.464107 5 Salinity:T0:C0 PSS-78 31.6362 33.7843 6 Oxygen:Dissolved:SBE mL/L 1.76 5.726 7 Oxygen:Dissolved:SBE umol/kg 76.57175 249.6434 8 Number_of_bin_records n/a 16 118 $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\2025-021-0023.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-23 EVENT NUMBER : 23 LATITUDE : 48 24.53700 N ! (deg min) LONGITUDE : 124 11.12000 W ! (deg min) WATER DEPTH : 123 ALTIMETER (M) : 4.86 ! 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 11:49:07 8749 8749 CLEAN 5.3 2026/08/18 11:55:15 8749 8749 MERGEHDR 1.3 2026/08/21 10:08:16 8749 8749 DELETE 6.3 2026/08/25 09:03:46 8749 3679 SUPPRESS 1.1 2026/09/01 09:07:21 3679 3679 BINAVE 4.2.1 2026/09/01 09:13:02 3614 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 110.12 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\2025-021-0023.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 13:49:53 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-23 Depth: 123 System UTC = Jun 19 2025 13:49:53 # nquan = 15 # nvalues = 8749 # 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, 8749 # span 1 = 1.265, 120.121 # span 2 = 1.254, 119.068 # span 3 = 6.6380, 9.8865 # span 4 = 6.6383, 9.8908 # span 5 = 3.391478, 3.464899 # span 6 = 3.391719, 3.464715 # span 7 = 0.9716, 2.1197 # span 8 = 4.40, 100.00 # span 9 = 0, 1 # span 10 = -1.695, 1.535 # span 11 = 31.5633, 33.7899 # span 12 = 31.5639, 33.7936 # span 13 = 1.7466, 5.7358 # span 14 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Jun 19 2025 13:49:53 [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 # # # # # # 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 11:38:00, 7.26.7.129 [datcnv_vars = 11] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\Raw CTD data\2025-021-0023.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Steps\Raw CTD data\2025-021-0023.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Aug 18 2026 11:41:10, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\1_DATACNV\2025-021-0023.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 11:42:12, 7.26.7.129 # alignctd_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird St eps\2_WILDEDIT\2025-021-0023.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Aug 18 2026 11:43:06, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\3_ALIGNCTD\2025-021-0023.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 11:44:52, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-021\SeaBird Step s\4_CELLTM\2025-021-0023.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 13:05:21): 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 2.0 2.3 9.8358 3.46411 31.6362 5.73 249.6 21 3.0 3.0 9.8253 3.46362 31.6402 5.70 248.6 118 4.0 3.9 9.7953 3.46214 31.6507 5.62 244.9 43 5.0 5.0 9.7590 3.46001 31.6609 5.53 241.1 43 6.0 5.9 9.7435 3.45913 31.6643 5.54 241.4 35 7.0 7.0 9.7644 3.46043 31.6592 5.60 244.3 35 8.0 7.8 9.7928 3.46190 31.6492 5.64 245.9 73 9.0 8.9 9.7883 3.46175 31.6511 5.64 245.9 27 10.0 9.9 9.8007 3.46241 31.6465 5.62 244.8 27 11.0 10.9 9.7786 3.46060 31.6530 5.57 242.9 25 12.0 11.9 9.7921 3.46199 31.6489 5.42 236.5 25 13.0 12.9 9.5928 3.44986 31.7038 5.18 225.8 24 14.0 13.9 9.5116 3.44561 31.7286 5.02 218.9 27 15.0 14.9 9.4275 3.44057 31.7512 4.91 213.9 34 16.0 15.8 9.3830 3.43868 31.7719 4.85 211.4 32 17.0 16.9 9.3618 3.43844 31.7897 4.77 208.0 22 18.0 17.9 9.2505 3.43398 31.8396 4.66 203.1 31 19.0 18.8 9.1775 3.43044 31.8679 4.55 198.3 39 20.0 19.8 9.1171 3.42699 31.8859 4.46 194.3 24 21.0 20.8 9.0852 3.42511 31.8945 4.42 192.4 23 22.0 21.9 9.0494 3.42442 31.9189 4.38 190.9 31 23.0 22.8 9.0386 3.42434 31.9274 4.37 190.5 41 24.0 23.7 9.0330 3.42446 31.9324 4.38 190.8 23 25.0 24.8 9.0321 3.42450 31.9341 4.38 191.1 21 26.0 25.8 9.0319 3.42461 31.9348 4.38 191.1 23 27.0 26.8 9.0323 3.42471 31.9351 4.38 190.9 33 28.0 27.7 9.0324 3.42483 31.9359 4.38 191.0 49 29.0 28.7 9.0311 3.42497 31.9380 4.38 190.8 37 30.0 29.7 9.0311 3.42514 31.9393 4.38 191.0 28 31.0 30.7 9.0310 3.42523 31.9400 4.38 190.8 21 32.0 31.7 9.0284 3.42559 31.9456 4.36 189.8 21 33.0 32.7 9.0003 3.42592 31.9738 4.31 187.7 22 34.0 33.7 8.9560 3.42582 32.0122 4.25 185.3 22 35.0 34.7 8.9156 3.42519 32.0416 4.21 183.6 27 36.0 35.7 8.8792 3.42552 32.0773 4.18 182.3 49 37.0 36.6 8.8674 3.42493 32.0817 4.14 180.6 37 38.0 37.6 8.8313 3.42381 32.1020 4.09 178.3 23 39.0 38.6 8.8028 3.42396 32.1290 4.05 176.7 19 40.0 39.7 8.7613 3.42379 32.1644 4.03 175.4 18 41.0 40.7 8.7337 3.42339 32.1849 4.00 174.4 20 42.0 41.7 8.7201 3.42313 32.1940 3.99 174.0 22 43.0 42.7 8.7217 3.42319 32.1926 3.99 173.9 29 44.0 43.6 8.7152 3.42321 32.1984 3.99 173.8 42 45.0 44.6 8.7146 3.42369 32.2036 3.99 173.9 32 46.0 45.6 8.7160 3.42469 32.2123 3.98 173.5 33 47.0 46.6 8.7048 3.42806 32.2572 3.94 171.8 37 48.0 47.5 8.6411 3.42932 32.3324 3.86 168.2 22 49.0 48.6 8.5888 3.42901 32.3723 3.81 166.1 17 50.0 49.6 8.5772 3.42904 32.3827 3.79 165.2 16 51.0 50.6 8.5666 3.42915 32.3931 3.78 164.6 18 52.0 51.6 8.5589 3.42928 32.4011 3.78 164.5 29 53.0 52.5 8.5499 3.42955 32.4115 3.78 164.5 43 54.0 53.5 8.5418 3.43038 32.4274 3.76 163.8 29 55.0 54.5 8.5241 3.43081 32.4478 3.73 162.5 38 56.0 55.5 8.5005 3.43094 32.4704 3.68 160.4 31 57.0 56.5 8.4751 3.43124 32.4965 3.62 157.7 21 58.0 57.5 8.4357 3.43099 32.5298 3.55 154.8 19 59.0 58.5 8.3661 3.43007 32.5840 3.49 152.0 20 60.0 59.5 8.3396 3.42964 32.6035 3.44 149.9 24 61.0 60.5 8.3117 3.42915 32.6237 3.41 148.4 33 62.0 61.5 8.2935 3.42848 32.6330 3.40 147.9 38 63.0 62.4 8.2894 3.42842 32.6357 3.39 147.7 30 64.0 63.5 8.2772 3.42824 32.6447 3.38 147.4 28 65.0 64.5 8.2842 3.42839 32.6393 3.38 147.1 32 66.0 65.4 8.2655 3.42821 32.6543 3.35 146.1 31 67.0 66.4 8.2570 3.42806 32.6602 3.33 145.0 23 68.0 67.4 8.2380 3.42812 32.6781 3.30 143.7 20 69.0 68.4 8.2312 3.42812 32.6839 3.26 142.2 22 70.0 69.4 8.1726 3.42622 32.7179 3.19 138.9 28 71.0 70.3 8.0409 3.42192 32.7950 3.01 131.2 38 72.0 71.3 7.8741 3.42156 32.9472 2.82 122.8 24 73.0 72.4 7.7368 3.41520 33.0084 2.69 117.3 21 74.0 73.4 7.5817 3.41178 33.1186 2.58 112.5 28 75.0 74.3 7.5551 3.41276 33.1540 2.53 110.3 51 76.0 75.3 7.5380 3.41298 33.1722 2.48 107.9 26 77.0 76.3 7.4750 3.41056 33.2058 2.40 104.3 21 78.0 77.3 7.3199 3.40431 33.2864 2.32 101.1 23 79.0 78.3 7.2663 3.40187 33.3110 2.28 99.3 24 80.0 79.3 7.2396 3.40088 33.3255 2.25 98.1 24 81.0 80.3 7.2115 3.40024 33.3453 2.24 97.5 30 82.0 81.3 7.2002 3.39998 33.3527 2.23 97.2 36 83.0 82.3 7.1849 3.39966 33.3636 2.21 96.2 34 84.0 83.3 7.1575 3.39909 33.3834 2.19 95.2 36 85.0 84.2 7.1180 3.39819 33.4113 2.16 93.8 30 86.0 85.2 7.0988 3.39784 33.4255 2.13 92.8 23 87.0 86.2 7.0892 3.39761 33.4319 2.11 91.9 23 88.0 87.3 7.0383 3.39660 33.4697 2.09 91.0 29 89.0 88.2 7.0298 3.39648 33.4763 2.08 90.3 32 90.0 89.2 7.0182 3.39623 33.4843 2.06 89.6 24 91.0 90.2 6.9924 3.39572 33.5033 2.04 89.0 21 92.0 91.3 6.9798 3.39552 33.5129 2.02 87.8 39 93.0 92.4 6.8725 3.39392 33.5995 1.96 85.1 16 94.0 93.2 6.8702 3.39391 33.6012 1.96 85.2 20 95.0 94.2 6.8898 3.39428 33.5856 1.96 85.2 19 96.0 95.2 6.8738 3.39409 33.5987 1.95 84.9 24 97.0 96.2 6.8579 3.39391 33.6117 1.94 84.3 39 98.0 97.1 6.8247 3.39339 33.6380 1.92 83.4 32 99.0 98.1 6.8039 3.39309 33.6547 1.89 82.4 23 100.0 99.2 6.7776 3.39275 33.6763 1.88 81.7 24 101.0 100.2 6.7470 3.39231 33.7008 1.85 80.7 42 102.0 101.0 6.7085 3.39176 33.7322 1.82 79.4 38 103.0 102.1 6.7029 3.39173 33.7370 1.82 79.2 25 104.0 103.1 6.6997 3.39174 33.7396 1.82 79.1 31 105.0 104.1 6.6910 3.39169 33.7472 1.82 79.0 32 106.0 105.1 6.6908 3.39174 33.7474 1.81 78.7 23 107.0 106.1 6.6800 3.39165 33.7566 1.80 78.5 24 108.0 107.1 6.6749 3.39162 33.7608 1.80 78.4 33 109.0 108.0 6.6717 3.39163 33.7636 1.79 78.1 42 110.0 109.0 6.6709 3.39168 33.7644 1.80 78.2 29 111.0 110.0 6.6684 3.39168 33.7665 1.79 78.0 31 112.0 111.0 6.6659 3.39163 33.7679 1.78 77.6 41 113.0 112.0 6.6637 3.39164 33.7697 1.78 77.4 31 114.0 113.0 6.6617 3.39165 33.7713 1.78 77.3 24 115.0 114.0 6.6583 3.39161 33.7736 1.77 77.1 25 116.0 115.0 6.6578 3.39165 33.7741 1.77 77.0 30 117.0 116.0 6.6566 3.39167 33.7750 1.77 77.1 37 118.0 117.0 6.6536 3.39167 33.7775 1.76 76.8 52 119.0 117.9 6.6453 3.39159 33.7843 1.76 76.6 34