*2013/12/16 15:38:29.76 *IOS HEADER VERSION 1.10 2011/10/26 2011/10/26 *FILE START TIME : UTC 2012/06/22 23:18:55.000 TIME INCREMENT : 0 0 0 0.125 0 ! (day hr min sec ms) NUMBER OF RECORDS : 61 DATA DESCRIPTION : CTD FILE TYPE : ASCII CRC : D242220E NUMBER OF CHANNELS : 4 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------- --------------- -------------- -------------- 1 Pressure decibar 2.127286 61.73775 2 Temperature:Primary 'deg C (ITS90)' 8.607991 12.11626 3 Salinity:T0:C0 PSS-78 28.3035 30.54862 4 Number_of_bin_records n/a 4 11 $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 7 F ' ' 1 2 -99 ' ' 9 F ' ' 4 3 -99 ' ' 9 F ' ' 4 4 ' ' ' ' 5 I I 0 $END $REMARKS This file converted from Sea-Bird file: P:\Cruise_Data_Processing\2012-50\Pro $END *ADMINISTRATION MISSION : 2012-50 AGENCY : PBS, Salmon And Freshwater Ecosystems, Nanaimo, B.C. COUNTRY : Canada PROJECT : High Seas Salmon SCIENTIST : Thiess M. PLATFORM : Viking Storm *LOCATION GEOGRAPHIC AREA : WCVI / QCSound / QCStrait STATION : IVI08 EVENT NUMBER : 116 LATITUDE : 50 36.30000 N ! (deg min) LONGITUDE : 127 48.20000 W ! (deg min) WATER DEPTH : 72 *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-25 SERIAL NUMBER : 404 $REMARKS SOFTWARE VERSION 1.59 $END *HISTORY $TABLE: PROGRAMS ! Name Vers Date Time Recs In Recs Out ! ------------------------ ------ ---------- -------- --------- --------- SBE_IOS 3.1.2 2012/12/14 13:35:24 2725 2725 CLEAN 5.0.4 2012/12/14 15:46:27 2725 2725 MERGEHDR 1.1 2012/12/14 15:47:17 2725 2725 ADTIMCH 4.3 2012/12/14 15:48:10 2725 2725 CALIB 11.7 2012/12/14 15:49:04 2725 2725 SHIFTDAT 3.4 2012/12/14 15:49:56 2725 2725 DELETE 6.3 2012/12/14 15:50:45 2725 713 CTDEDIT 4.61 2012/12/18 09:50:12 713 603 BINAVE 4.1.1 2012/12/18 17:20:01 603 61 REMOVECH 8.1.1 2012/12/20 09:33:18 61 61 HDREDIT2 2.5.1 2012/12/20 10:14:02 ? ? CHANGE_CTD_CHANNEL_NAMES 1.0 2013/12/16 15:38:29 61 61 $END $REMARKS -CLEAN functions: 2012/12/14 15:46:09 20 Reset #RECS, MIN & MAX values in header. Interpolation by Record Number, in Pressure:StrainGauge Set event to last 4 characters of file name -The following ADTIMCH parameters were used. Add 7.00 hours to times in header file section -CALIB parameters: 2012/12/14 15:49:04 Calibration type = Correct Mode: ONLY - calibration specs from Cal File only. Calibration file = P:\Cruise_Data_Processing\2012-50\Processing\doc\2012-50-recal1.ccf Calibrations applied: Ch Name Units Fmla Coefficents -- ----------------------------- --------- --- ----------------------------- 2 Pressure:StrainGauge dbars 10 0.2200000E+00 0.1000000E+01 -The following SHIFT parameters were used. Shift Channel: Conductivity:Primary # of Records to Advance (-ve for Delay): At REC# 0 Shift= 0.50 Salinity was recalculated after shift -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 NOT filtered. Swells deleted. Warning message if pressure difference of 2.00 Drop rates < 0.30m/s (calculated over 5 points) will be deleted. Drop rate applies in the range 10.00 to 51.92 dbars Sample interval (from FILE section of header) = 0.125 seconds. -CTDEDIT 2012/12/18 09:50:12 110 records were deleted in this editing session. 25 changes in channel Salinity:T0:C0 -The following BINAVE parameters were used: Bin channel = Pressure:StrainGauge Averaging interval = 1.00 Minimum bin value = 0.000 Average value was used Interpolated values were NOT used for empty bins Channel 'NUMBER_OF_BIN_RECORDS' was added to file. -REMOVECH 2012/12/20 09:33:18 The following CHANNEL(S) were removed: Scan_Number Conductivity:Primary [S/m] pH:SBE [pH Units] Descent_Rate [m/s] Flag -HEADER EDITS: 2012/12/20 10:14:02 Applied edit header: P:\Cruise_Data_Processing\2012-50\Processing\doc\2012-50-HDR-25.TXT Channel 1: Pressure [decibar] Name: Pressure:StrainGauge ==> Pressure Units: dbars ==> decibar Format: F10.3 ==> F7.1 Channel 3: Salinity:Practical:T0:C0 [PSS-78] Name: Salinity:T0:C0 ==> Salinity:Practical:T0:C0 $END *COMMENTS SBE HEADER Sea-Bird SBE25 Data File: FileName = C:\Users\WaterProperties-8\Desktop\HS201250\HS201250_116_IVI08.hex Software Version 1.59 Temperature SN = 4484 Conductivity SN = 3184 System UpLoad Time = Jun 22 2012 18:33:30 ds SBE 25 CTD V 4.1c SN 0404 06/22/12 18:32:38.644 external pressure sensor, range = 1450 psia, tcval = -32 xtal = 9437232 clk = 32768.117 vmain = 11.1 iop = 179 vlith = 5.3 ncasts = 6 samples = 21178 free = 817287 lwait = 0 msec CTD configuration: number of scans averaged = 1, data stored at 8 scans per second real time data transmitted at 1 scans per second minimum conductivity frequency for pump turn on = 3000 pump delay = 45 seconds battery type = ALKALINE 1 external voltages sampled stored voltage # 0 = external voltage 4 S> dh cast 5 06/22 16:18:55 smpls 18478 to 21177 nv = 1 avg = 1 stp = switch of S> # nquan = 8 # nvalues = 2725 # units = specified # name 0 = scan: Scan Count # name 1 = prSM: Pressure, Strain Gauge [db] # name 2 = t090C: Temperature [ITS-90, deg C] # name 3 = c0S/m: Conductivity [S/m] # name 4 = ph: pH # name 5 = dz/dtM: Descent Rate [m/s] # name 6 = sal00: Salinity, Practical [PSU] # name 7 = flag: flag # span 0 = 1, 2700 # span 1 = -0.207, 61.697 # span 2 = 8.6075, 14.9052 # span 3 = 0.051295, 3.365209 # span 4 = -2.642, 8.420 # span 5 = -1.249, 1.249 # span 6 = 0.3489, 30.5494 # span 7 = 0.0000e+00, 0.0000e+00 # interval = seconds: 0.125 # start_time = Jun 22 2012 16:18:55 [Instrument's time stamp, header] # bad_flag = -9.990e-29 # # # # # 4484 # 27-Mar-12 # 1 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.000 # 4.39927478e-003 # 6.40237498e-004 # 2.13708788e-005 # 1.80396545e-006 # 1000.000 # 1.00000000 # 0.0000 # # # # # # 3184 # 21-Mar-12 # 1 # # 0.0000 # 2000.0000 # 0 # # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.00000000e+000 # 0.0 # -9.57000000e-008 # # # -1.02203365e+001 # 1.42981964e+000 # -2.27200653e-004 # 9.38032659e-005 # -9.57000000e-008 # 3.2500e-006 # # 0.00000000e+000 # # 1.00000000 # 0.00000 # # # # # # 0573 # 01-Mar-12 # 9.200504e+002 # -2.513562e-001 # -2.051144e-008 # 0.00000 # # # # # # 0852 # 21-apr-11 # 4.6009 # 2.5060 # # # # datcnv_date = Dec 13 2012 16:25:35, 7.21d [datcnv_vars = 6] # datcnv_in = P:\Cruise_Data_Processing\2012-50\RAW\CTD\SBE25_16JUN-04JUL\2012-5 0-0116.hex P:\Cruise_Data_Processing\2012-50\Processing\doc\2012-50-SBE25.xmlcon # datcnv_skipover = 0 # wildedit_date = Dec 13 2012 16:31:33, 7.21d # wildedit_in = P:\Cruise_Data_Processing\2012-50\Processing\convert\2012-50-011 6.cnv # wildedit_pass1_nstd = 2.0 # wildedit_pass2_nstd = 20.0 # wildedit_pass2_mindelta = 0.000e+000 # wildedit_npoint = 25 # wildedit_vars = prSM t090C c0S/m # wildedit_excl_bad_scans = yes # wfilter_date = Dec 13 2012 16:33:31, 7.21d # wfilter_in = P:\Cruise_Data_Processing\2012-50\Processing\wildedit\2012-50-011 6.cnv # wfilter_excl_bad_scans = yes # wfilter_action prSM = cosine, 5 # wfilter_action t090C = cosine, 5 # wfilter_action c0S/m = cosine, 5 # celltm_date = Dec 13 2012 16:58:51, 7.21d # celltm_in = P:\Cruise_Data_Processing\2012-50\Processing\wfilter\2012-50-0116. cnv # celltm_alpha = 0.0400, 0.0000 # celltm_tau = 9.0000, 0.0000 # celltm_temp_sensor_use_for_cond = primary, # Derive_date = Dec 13 2012 17:00:09, 7.21d [derive_vars = 1] # Derive_in = P:\Cruise_Data_Processing\2012-50\Processing\celltm\2012-50-0116.c nv P:\Cruise_Data_Processing\2012-50\Processing\doc\2012-50-SBE25.xmlcon # file_type = ascii END* CTDEDIT was used to remove surface records and records corrupted by shed wakes; salinity was cleaned lightly. Data Processing Notes: ---------------------- THe comparison of SBE25 salinity with bottle samples suggests that the CTD was reading low. However, Salinity samples were stored for 4 months before they were analyzed. Based on recent cruises using the same types of bottle inserts, it appears that significant evaporation occurs after 2 months, and that by 4 months, bottle values are likely to read high by an average of >0.01. Furthermore, all samples came from about 8db where the salinity gradients were high, making the comparison even less suitable for recalibration of salinity. This was the first use of this CTD since the temeprature and conductivity sensors were last recalibrated, so it is expected that their calibrations would not have drifted significantly. No recalibration was applied to CTD salinity. The pressure sensor appeared to read high by 0.22db, which is within the accuracy quoted for the sensor. Pressure was recalibrated by adding 0.22db to avoid negative values. A pH sensor was attached to the CTD, but the data are not included in the files to be placed in the IOS Data Library because no field calibration information was available at the time of processing, and there are some concerns about how the sensors perform. For details on the processing see the report: 2012-50-proc.doc. *CALIBRATION $TABLE: CORRECTED CHANNELS ! Name Units Fmla Pad Coefficients ! ---------------------- ------- ---- ------ ------------ Pressure:StrainGauge dbars 10 -99 () (0.22 1) $END !--1--- ---2---- ---3---- -4-- !Pressu Temperat Salinity Numb !re ure: :T0:C0 er_o ! Primary ~bin ! _rec ! ords !------ -------- -------- ---- *END OF HEADER 2.1 12.1163 28.3035 7 3.0 11.5808 28.8303 9 4.0 10.6078 29.5946 11 5.0 10.1301 29.8494 10 6.0 9.8375 29.9926 11 6.9 9.6424 30.0904 11 8.0 9.4386 30.1730 11 9.0 9.2085 30.2039 10 10.0 9.0803 30.2193 10 11.0 9.0333 30.2240 9 12.0 8.9795 30.2371 11 13.1 8.9040 30.2574 10 14.0 8.8831 30.2604 9 15.0 8.8773 30.2631 10 16.0 8.8804 30.2660 10 17.0 8.8846 30.2721 10 18.0 8.8590 30.2876 9 19.0 8.8164 30.3087 10 20.0 8.7904 30.3239 10 21.0 8.7558 30.3441 10 22.0 8.7369 30.3618 9 23.0 8.7297 30.3699 9 24.0 8.7243 30.3782 9 25.0 8.7153 30.4088 8 26.0 8.7104 30.4222 9 27.0 8.7070 30.4299 10 28.0 8.7048 30.4362 10 29.0 8.7038 30.4401 10 30.0 8.7039 30.4418 9 31.0 8.7029 30.4482 10 32.0 8.7025 30.4604 10 33.0 8.7032 30.4652 10 34.0 8.7121 30.4733 11 35.0 8.7400 30.4860 10 36.0 8.7120 30.4911 10 37.0 8.6925 30.4962 10 38.0 8.6952 30.5014 10 39.0 8.6926 30.5102 11 40.0 8.6826 30.5133 10 41.0 8.6776 30.5142 10 42.0 8.6772 30.5144 11 43.0 8.6714 30.5167 11 44.1 8.6532 30.5246 10 45.0 8.6379 30.5311 10 46.0 8.6265 30.5362 11 47.0 8.6227 30.5379 10 48.0 8.6208 30.5389 11 49.0 8.6160 30.5418 10 50.0 8.6119 30.5447 11 51.0 8.6103 30.5458 10 52.0 8.6084 30.5476 11 53.0 8.6081 30.5481 11 53.9 8.6085 30.5479 10 55.0 8.6080 30.5485 11 56.0 8.6085 30.5482 10 57.0 8.6086 30.5484 9 58.0 8.6086 30.5486 10 59.1 8.6092 30.5480 9 60.0 8.6099 30.5477 10 61.0 8.6098 30.5478 10 61.7 8.6098 30.5480 4