*2026/09/28 08:10:08.68 *IOS HEADER VERSION 2.0 2016/04/28 2016/06/13 IVF16 *FILE START TIME : UTC 2025/10/17 09:05:58.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 74 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : 9056C192 NUMBER OF CHANNELS : 10 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- -------------------------- --------------- -------------- -------------- 1 Pressure decibar 2 75 2 Depth metres 2.271 74.4 3 Temperature:Primary 'deg C (ITS90)' 9.5257 9.9443 4 Conductivity:Primary S/m 3.520872 3.527925 5 Salinity:T0:C0 PSS-78 32.1646 32.4833 6 Oxygen:Dissolved:SBE mL/L 2.811 3.618 7 Oxygen:Dissolved:SBE umol/kg 122.4695 157.6748 8 Fluorescence:URU:Wetlabs mg/m^3 0.12E-01 0.462 9 PAR umol/m^2/sec 0 1.772 10 Number_of_bin_records n/a 12 41 $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 -99 ' ' 8 F ' ' 3 9 -99 ' ' 7 F ' ' 1 10 ' ' ' ' 5 I I 0 $END $REMARKS This file converted from Sea-Bird file: C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps\5_DERIVE\2025-023-0173.cnv $END *ADMINISTRATION MISSION : 2025-023 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 : Y1 EVENT NUMBER : 173 LATITUDE : 48 25.63000 N ! (deg min) LONGITUDE : 124 10.73000 W ! (deg min) WATER DEPTH : 78 ALTIMETER (M) : 5.42 ! 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 : 1222 $TABLE: SENSORS ! Name Abs Depth Serial No ! ----------------------------------- -------------- ---------- Temperature ' ' 2663 Conductivity ' ' 2280 'Pressure:Digiquartz with TC' ' ' 1222 Temperature:2 ' ' 5725 Conductivity:2 ' ' 1763 'Oxygen:SBE 43' ' ' 4367 'Fluorometer:WET Labs ECO-AFL/FL' ' ' 2214 Altimeter ' ' 73171 PAR/Irradiance:Biospherical/Licor ' ' 70613 $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 2026/09/11 08:46:43 4223 4223 CLEAN 5.3 2026/09/11 09:14:37 4223 4223 DELETE 6.3 2026/09/11 13:11:23 4223 1893 SUPPRESS 1.1 2026/09/22 11:06:24 1893 1893 FILTERS 4.3 2026/09/25 09:11:37 1825 1825 BINAVE 4.2.1 2026/09/25 09:44:25 1825 74 REMOVECH 8.2 2026/09/25 10:25:38 74 74 CHGUNITS 3.2 2026/09/25 10:40:34 74 74 REORDER 1.3.1 2026/09/25 11:04:28 ? ? HDREDIT2 3.2 2026/09/28 08:10:08 ? ? $END $REMARKS -CLEAN functions: 2026/09/11 09:13:21 20 Reset #RECS, MIN & MAX values in header. Insert Pad Values in Channel: Fluorescence:URU:Wetlabs:ECO-AFL [mg/m^3] where channel Fluorescence:URU:Wetlabs:ECO-AFL [mg/m^3] is in the range -10 t 0 data records in pad range. 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 65.66 dbars Sample interval (from FILE section of header) = 0.042 seconds. -The following FILTER parameters were used. Median filter was used. Filter width = 11 The following channel(s) were filtered. Fluorescence:URU:Wetlabs:ECO-AFL -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 2026/09/25 10:25:38 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: 2026/09/28 08:10:08 Applied edit header: C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\2025-023-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 Channel 8: Fluorescence:URU:Wetlabs [mg/m^3] Name: Fluorescence:URU:Wetlabs:ECO-AFL ==> Fluorescence:URU:Wetlabs Channel 9: PAR [umol/m^2/sec] Format: F11.3 ==> F7.1 $END *COMMENTS SBE HEADER Sea-Bird SBE 9 Data File: FileName = C:\Users\Science1\Desktop\2025-023\2025-023-0173.hex Software Version Seasave V 7.26.7.121 Temperature SN = 2663 Conductivity SN = 2280 Number of Bytes Per Scan = 41 Number of Voltage Words = 4 Number of Scans Averaged by the Deck Unit = 1 Append System Time to Every Scan System UpLoad Time = Oct 17 2025 09:05:58 NMEA Latitude = 48 25.63 N NMEA Longitude = 124 10.73 W NMEA UTC (Time) = Oct 17 2025 08:57:50 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 2025-023 Station: Y1 Depth: 78 System UTC = Oct 17 2025 09:05:58 # nquan = 17 # nvalues = 4223 # 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 = flECO-AFL: Fluorescence, WET Labs ECO-AFL/FL [mg/m^3] # name 12 = par: PAR/Irradiance, Biospherical/Licor # name 13 = sal00: Salinity, Practical [PSU] # name 14 = sal11: Salinity, Practical, 2 [PSU] # name 15 = sbeox0ML/L: Oxygen, SBE 43 [ml/l], WS = 2 # name 16 = flag: flag # span 0 = 1, 4223 # span 1 = 1.464, 75.662 # span 2 = 1.452, 75.010 # span 3 = 9.5198, 9.9618 # span 4 = 9.5199, 9.9544 # span 5 = 3.519892, 3.530363 # span 6 = 3.520890, 3.529738 # span 7 = 1.3234, 1.8266 # span 8 = 5.20, 79.66 # span 9 = 0, 0 # span 10 = -1.379, 1.453 # span 11 = 0.0010, 0.4845 # span 12 = 1.0000e-12, 3.6828e+00 # span 13 = 32.1113, 32.5221 # span 14 = 32.1513, 32.5197 # span 15 = 2.2235, 3.6218 # span 16 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.0416667 # start_time = Oct 17 2025 09:05:58 [System UTC, first data scan.] # bad_flag = -9.990e-29 # # # # # 2663 # 10-Jan-25 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.36563715e-003 # 6.42350536e-004 # 2.40542266e-005 # 2.42039173e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 2280 # 28-Jan-25 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -1.01897296e+001 # 1.37317538e+000 # -5.65881021e-003 # 4.71996825e-004 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 1222 # 09-Jan-25 # -4.347316e+004 # -5.952300e-002 # 1.148340e-002 # 3.616900e-002 # 0.000000e+000 # 3.018331e+001 # -3.346180e-004 # 3.804690e-006 # 2.740660e-009 # 1.00007632 # -0.64095 # 0.000000e+000 # 1.282870e-002 # -9.293680e+000 # # # # # # 5725 # 10-Jan-25 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.38084989e-003 # 6.41483004e-004 # 2.30380398e-005 # 2.18042055e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 1763 # 03-Jan-25 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -4.23007419e+000 # 5.08548000e-001 # -6.25095530e-004 # 5.59936257e-005 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 4367 # 06-Feb-25 # 1 # # # 0.0000 # 0.0000e+000 # 0.0000 # 0.00e+000 # 0.0000 # 0.0 # # # # 4.3641e-001 # -0.5158 # -2.8571e-003 # 1.0741e-004 # -1.6663e-006 # 2.5826e+000 # 1.92634e-004 # -4.64803e-002 # 3.6000e-002 # 0.8800 #

-3.3000e-002

#

5.0000e+003

#

1.4500e+003

#
#
#
# # # # 2214 # 2019-01-19 # 1.20000000e+001 # # 0.0280 # # # # # # 73171 # 2024-01-30 # 15.000 # 0.000 # # # # # # # # # 70613 # 2021-02-24 # 1.00000000 # 0.00000000 # 8620689655.17000010 # 1.00000000 # -0.11660000 # # # # # # # # # # # #
# datcnv_date = Sep 10 2026 11:32:14, 7.26.7.129 [datcnv_vars = 13] # datcnv_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps \RawData\2025-023-0173.hex C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps\ RawData\2025-023-0173.XMLCON # datcnv_skipover = 0 # datcnv_ox_hysteresis_correction = yes # wildedit_date = Sep 10 2026 13:13:04, 7.26.7.129 # wildedit_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSte ps\1_DATACNV\2025-023-0173.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 flECO-AFL par # wildedit_excl_bad_scans = yes # alignctd_date = Sep 10 2026 13:16:08, 7.26.7.129 # alignctd_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSte ps\2_WILDEDIT\2025-023-0173.cnv # alignctd_adv = sbeox0V 2.500 # celltm_date = Sep 10 2026 13:19:33, 7.26.7.129 # celltm_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps \3_ALIGNCTD\2025-023-0173.cnv # celltm_alpha = 0.0245, 0.0245 # celltm_tau = 9.5000, 9.5000 # celltm_temp_sensor_use_for_cond = primary, secondary # Derive_date = Sep 10 2026 13:36:54, 7.26.7.129 [derive_vars = 3] # Derive_in = C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps \4_CELLTM\2025-023-0173.cnv C:\Users\BEDARDJ\Desktop\Data_Processing\CTD-2025-023\SeaBirdSteps\ RawData\2025-023-0001.XMLCON # derive_time_window_docdt = seconds: 2 # derive_ox_tau_correction = yes # file_type = ascii END* Remarks from CTDEDIT (2026/09/18 11:15:57): Removed data where descent rate was below zero. ---------------------------------------------------------------------------------------- Data Processing Notes: ---------------------- There was no calibration sampling but temperature, conductivity, pressure and dissolved oxygen sensors had all been recently serviced and recalibrated. For details on data processing see: 2025-023_Processing_Report.doc. !--1--- --2--- ---3---- ----4---- ---5---- --6--- --7-- ---8--- --9--- -10- !Pressu Depth Temperat Conductiv Salinity Oxygen Oxyge Fluores PAR Numb !re ure: ity: :T0:C0 : n: cence: er_o ! Primary Primary Dissol Disso URU: ~bin ! ved: lved: Wetlabs _rec ! SBE SBE ords !------ ------ -------- --------- -------- ------ ----- ------- ------ ---- *END OF HEADER 2.0 2.3 9.9443 3.52772 32.1850 3.57 155.5 0.462 1.8 17 3.0 3.0 9.9426 3.52559 32.1646 3.56 155.1 0.395 1.5 21 4.0 4.0 9.9345 3.52579 32.1734 3.58 156.1 0.255 1.1 20 5.0 5.0 9.9348 3.52662 32.1811 3.62 157.5 0.257 0.7 29 6.0 6.0 9.9353 3.52725 32.1867 3.62 157.7 0.260 0.4 26 7.0 6.9 9.9321 3.52735 32.1900 3.62 157.6 0.254 0.3 22 8.0 8.0 9.9294 3.52716 32.1901 3.60 156.8 0.268 0.2 23 9.0 8.9 9.9294 3.52716 32.1897 3.58 155.9 0.250 0.2 23 10.0 9.9 9.9295 3.52735 32.1911 3.57 155.5 0.254 0.1 25 11.0 10.9 9.9303 3.52755 32.1920 3.58 156.1 0.249 0.1 26 12.0 11.9 9.9293 3.52761 32.1931 3.57 155.6 0.307 0.0 25 13.0 12.9 9.9302 3.52766 32.1923 3.51 153.1 0.259 0.0 22 14.0 13.9 9.9296 3.52772 32.1931 3.48 151.5 0.294 0.0 22 15.0 14.9 9.9288 3.52775 32.1937 3.50 152.4 0.261 0.0 28 16.0 15.9 9.9303 3.52781 32.1925 3.56 155.0 0.375 0.0 32 17.0 16.8 9.9282 3.52784 32.1942 3.57 155.8 0.360 0.0 12 18.0 17.9 9.9264 3.52773 32.1942 3.56 155.0 0.259 0.0 23 19.0 18.8 9.9276 3.52779 32.1934 3.52 153.4 0.247 0.0 23 20.0 19.8 9.9281 3.52793 32.1938 3.48 151.7 0.276 0.0 23 21.0 20.8 9.9250 3.52785 32.1954 3.48 151.5 0.291 0.0 24 22.0 21.8 9.9238 3.52774 32.1950 3.50 152.6 0.315 0.0 24 23.0 22.8 9.9256 3.52788 32.1943 3.54 154.1 0.261 0.0 27 24.0 23.8 9.9238 3.52785 32.1952 3.56 155.0 0.276 0.0 28 25.0 24.8 9.9216 3.52779 32.1962 3.54 154.4 0.279 0.0 27 26.0 25.8 9.9148 3.52759 32.1997 3.52 153.3 0.264 0.0 24 27.0 26.8 9.9126 3.52750 32.2003 3.53 153.7 0.248 0.0 23 28.0 27.8 9.9088 3.52754 32.2037 3.53 154.0 0.272 0.0 23 29.0 28.8 9.9106 3.52762 32.2025 3.52 153.5 0.229 0.0 23 30.0 29.8 9.9085 3.52768 32.2045 3.50 152.4 0.236 0.0 24 31.0 30.7 9.9061 3.52764 32.2058 3.50 152.5 0.279 0.0 24 32.0 31.7 9.9051 3.52765 32.2063 3.52 153.3 0.279 0.0 27 33.0 32.7 9.9030 3.52769 32.2082 3.51 152.8 0.246 0.0 27 34.0 33.7 9.8934 3.52757 32.2152 3.49 152.2 0.275 0.0 27 35.0 34.7 9.8753 3.52708 32.2259 3.49 152.2 0.231 0.0 20 36.0 35.7 9.8729 3.52694 32.2262 3.47 151.3 0.206 0.0 22 37.0 36.7 9.8728 3.52697 32.2262 3.45 150.4 0.216 0.0 24 38.0 37.7 9.8730 3.52704 32.2263 3.42 148.8 0.248 0.0 26 39.0 38.7 9.8732 3.52707 32.2260 3.42 148.9 0.254 0.0 26 40.0 39.7 9.8724 3.52706 32.2262 3.42 149.2 0.226 0.0 24 41.0 40.7 9.8722 3.52706 32.2259 3.40 148.4 0.235 0.0 24 42.0 41.7 9.8725 3.52711 32.2257 3.38 147.5 0.261 0.0 25 43.0 42.6 9.8723 3.52717 32.2260 3.40 148.3 0.248 0.0 25 44.0 43.6 9.8728 3.52720 32.2255 3.41 148.7 0.242 0.0 25 45.0 44.6 9.8740 3.52721 32.2240 3.42 149.1 0.237 0.0 23 46.0 45.6 9.8740 3.52732 32.2247 3.42 149.2 0.291 0.0 25 47.0 46.6 9.8737 3.52735 32.2249 3.46 150.6 0.230 0.0 25 48.0 47.6 9.8732 3.52736 32.2250 3.49 151.9 0.202 0.0 22 49.0 48.6 9.8565 3.52709 32.2367 3.44 150.1 0.189 0.0 19 50.0 49.6 9.8302 3.52598 32.2486 3.39 147.6 0.151 0.0 18 51.0 50.6 9.8289 3.52585 32.2479 3.36 146.5 0.174 0.0 23 52.0 51.5 9.8081 3.52539 32.2613 3.36 146.6 0.166 0.0 21 53.0 52.5 9.7897 3.52447 32.2681 3.36 146.3 0.173 0.0 25 54.0 53.5 9.7824 3.52407 32.2703 3.36 146.6 0.154 0.0 25 55.0 54.5 9.7620 3.52300 32.2772 3.38 147.2 0.148 0.0 21 56.0 55.5 9.7402 3.52165 32.2822 3.35 146.0 0.110 0.0 15 57.0 56.5 9.7224 3.52095 32.2909 3.27 142.4 0.075 0.0 17 58.0 57.5 9.7204 3.52087 32.2914 3.16 137.7 0.045 0.0 18 59.0 58.5 9.7305 3.52103 32.2836 3.09 134.8 0.066 0.0 21 60.0 59.5 9.7276 3.52128 32.2883 3.08 134.3 0.070 0.0 27 61.0 60.5 9.6978 3.52157 32.3176 3.08 134.0 0.075 0.0 29 62.0 61.5 9.6905 3.52199 32.3280 3.07 133.8 0.076 0.0 26 63.0 62.4 9.6849 3.52237 32.3365 3.06 133.5 0.055 0.0 23 64.0 63.5 9.6769 3.52242 32.3437 3.04 132.5 0.058 0.0 22 65.0 64.4 9.6707 3.52243 32.3490 3.07 133.7 0.065 0.0 23 66.0 65.4 9.6659 3.52248 32.3534 3.14 137.0 0.053 0.0 23 67.0 66.4 9.6595 3.52242 32.3581 3.15 137.2 0.082 0.0 19 68.0 67.4 9.6511 3.52237 32.3646 3.10 135.0 0.038 0.0 18 69.0 68.4 9.6382 3.52192 32.3712 3.04 132.5 0.039 0.0 19 70.0 69.4 9.6258 3.52174 32.3801 2.99 130.5 0.025 0.0 23 71.0 70.4 9.6099 3.52171 32.3937 2.96 128.9 0.045 0.0 26 72.0 71.4 9.5870 3.52165 32.4133 2.93 127.8 0.069 0.0 27 73.0 72.4 9.5572 3.52156 32.4388 2.92 127.4 0.012 0.0 28 74.0 73.4 9.5301 3.52186 32.4658 2.90 126.3 0.021 0.0 30 75.0 74.4 9.5257 3.52320 32.4833 2.81 122.5 0.147 0.0 41