*2013/10/15 10:33:06.13 *IOS HEADER VERSION 1.10 2011/10/26 2011/10/26 *FILE START TIME : UTC 2009/02/05 03:29:36.000 TIME INCREMENT : 0 0 0 0.416667E-01 0 ! (day hr min sec ms) NUMBER OF RECORDS : 24 DATA DESCRIPTION : Bottle:Rosette:Up:Stop + CTD:Up FILE TYPE : ASCII CRC : EB21F19 NUMBER OF CHANNELS : 19 $TABLE: CHANNELS ! No Name Units Minimum Maximum !--- ----------------------------------- --------------- -------------- -------------- 1 Sample_Number n/a 426 449 2 Bottle_Number n/a 1 24 3 Pressure:CTD dbar 2.9 599.3 4 Temperature:CTD deg_C_(ITS90) 3.6388 6.0596 5 Salinity:Practical:CTD PSS-78 32.5673 34.1742 6 Sigma-t:CTD kg/m^3 25.6506 27.1913 7 Transmissivity:CTD %/m 54.5 61.7 8 Fluorescence:CTD:Seapoint mg/m^3 0.168 0.853 9 PAR:CTD µE/m^2/sec 0 0.1 10 Nitrate_plus_Nitrite:Bottle µmol/l 14.3 14.6 11 Flag:Nitrate_plus_Nitrite:Bottle n/a 12 Phosphate:Bottle µmol/l 1.37 1.39 13 Flag:Phosphate:Bottle n/a 14 Silicate:Bottle µmol/l 21.3 21.4 15 Flag:Silicate:Bottle n/a 16 Chlorophyll:Extracted:Bottle mg/m^3 0.35 0.39 17 Flag:Chlorophyll:Extracted:Bottle n/a 18 Dimethyl_Sulphide:Bottle nmol/l 0.2 0.34 19 Flag:Dimethyl_Sulphide:Bottle n/a $END $TABLE: CHANNEL DETAIL ! No Pad Start Width Format Type Decimal_Places !--- ---- ----- ----- ------ ---- -------------- 1 -99 ' ' 5 I I 0 2 -99 ' ' 3 I I 0 3 -99 ' ' 7 F ' ' 1 4 -99 ' ' 9 F ' ' 4 5 -99 ' ' 9 F ' ' 4 6 -99 ' ' 9 F R4 4 7 -99 ' ' 6 F ' ' 1 8 -99 ' ' 8 F ' ' 3 9 -99 ' ' 7 F ' ' 1 10 -99 ' ' 6 F R4 1 11 0 ' ' 3 NQ C ' ' 12 -99 ' ' 7 F R4 2 13 0 ' ' 3 NQ C ' ' 14 -99 ' ' 6 F R4 1 15 0 ' ' 3 NQ C ' ' 16 -99 ' ' 7 F R4 2 17 0 ' ' 3 NQ C ' ' 18 -99 ' ' 7 F R4 2 19 0 ' ' 3 NQ C ' ' $END *ADMINISTRATION MISSION : 2009-03 AGENCY : IOS, Ocean Sciences Division, Sidney, B.C. COUNTRY : Canada PROJECT : Line P SCIENTIST : Robert M. PLATFORM : John P. Tully *LOCATION GEOGRAPHIC AREA : North-East Pacific STATION : P26 EVENT NUMBER : 44 LATITUDE : 49 59.91000 N ! (deg min) LONGITUDE : 144 59.94000 W ! (deg min) WATER DEPTH : 4220 *INSTRUMENT TYPE : Sea-Bird CTD MODEL : SBE-911plus SERIAL NUMBER : 0443 *COMMENTS Analysis methods: ----------------- Chlorophyll samples were analyzed at sea using a Chemistry Turner Designs 10AU fluorometer which was calibrated in April 2008 using pure chlorophyll a. Chlorophyll precision was determined by analyzing replicate samples drawn from one Niskin. For details see file 2009-03_CHL.pdf. Oxygen samples were analyzed at sea using an automated titration system consisting of a Brinkman Dosimat (model 665) and a PC 950 Colorimeter. For details on precision see file 2009-03_OXY.pdf. ****************************************************************** Final Dissolved Oxygen data may not match those on rosette logs. Errors in endpoints were corrected based on manual inspection of titration curve data and DO values were then re-calculated. ****************************************************************** Salinity samples were collected in glass bottles and analyzed at IOS on a Guildline model 8400B Autosal standardized with IAPSO standard seawater. See file 2009-03_SAL.pdf for information on precision. Nutrient samples were collected in plastic tubes and analyzed fresh at sea using an Astoria-Pacific autoanalyzer following methods described in Barwell-Clarke and Whitney (1996). For details on nutrient duplicates and precision see file 2009-03_NUT.pdf. NOTE: July 2013: A correction has been applied to Nitrate_plus_Nitrite:Bottle and Phosphate:Bottle data from deep-water cruises analyzed at IOS between 2009 and 2012. For details see the report: Corrections_to_Nitrate_and_Phosphate_Data_2009-2012.pdf. The minimum detectable level for DMS is 0.10 nM, so “0” values should be interpreted as <0.10. For details on the collection and analysis of the DMS data see file 2009-03_DMS_report.pdf. For duplicates see 2009-03_DMS.pdf. References: 1. Carpenter, J.H. 1965. The Chesapeake Bay Institute Technique for the Winkler Dissolved Oxygen Method. Limmnol. & Oceanogr., 10: 141-143. 2. J. Barwell-Clarke and F. Whitney. 1996. Institute of Ocean Sciences Nutrient Methods and Analysis. Canadian Technical Report of Hydrography and Ocean Sciences, No. 182, 43 pp. ********************************************************************************** NOTE: There were a number of problems with the Oxygen:Dissolved:CTD sensors that limit the reliability of the data: For casts 0001 to 0040, the data below 1400 dbar are considered less reliable than usual. For casts 0042 and 0044 the Oxygen:Dissolved:CTD channel was removed. For casts 0046 to 0060 there was no bottle sampling so the Oxygen:Dissolved:CTD data were recalibrated based on an intercomparison with casts using a different sensor. ********************************************************************************** Transmissometer #1005DR was calibrated in March 2008, and drifted significantly but steadily until July 2009; then a sudden shift occurred, so that maximum values between September 2009 and July 2010 were very low, ~25%/m. In August 2010 a study was made of transmissivity that led to a decision to apply post-processing corrections to all cruises between March 2008 and June 2010. Transmissivity data from this cruise were corrected by multiplying the original values by a correction factor, which was based on assumptions that deep offshore transmissivity from a June 2009 cruise should be about 62%/m and that drift was linear with time between March 2008 and July 2009. The corrections produced reasonable results for all cruises in that time period. For details on how the correction factor was derived see: Transmissometer_1005DR_Corrections.pdf These data should be considered estimates. ****************************************************************************** For details on the processing see processing report: 2009-03-proc.pdf NOTE: July 2013: A correction has been applied to Nitrate_plus_Nitrite:Bottle and Phosphate:Bottle data from deep-water cruises analyzed at IOS between 2009 and 2012. For details see the report: Corrections_to_Nitrate_and_Phosphate_Data_2009-2012.pdf $REMARKS Data quality is expressed with the following flags ------------------------------------------------------------------------------ 1 = Sample for this measurement was drawn from water bottle but not analyzed (not normally used). 2 = Acceptable measurement (not normally used). 3 = Questionable measurement (no problem observed in sampling or analysis, but value is not trusted, nonetheless; includes outlyers). 4 = Bad measurement (known problem with sampling or analysis, but not serious enough to completely discard the value). 5 = Not reported (lost sample; unredeemably bad measurement). 6 = Mean of replicate measurements. 7 = Manual chromatographic peak measurement. 8 = Irregular digital chromatographic peak integration. 9 = Sample not drawn for this measurement from this bottle (not normally used). ------------------------------------------------------------------------------ $END !-1-- 2- --3--- ---4---- ---5---- ---6---- --7-- ---8--- --9--- --10- 11 --12-- 13 --14- 15 --16-- 17 --18-- 19 !Samp Bo Pressu Temperat Salinity Sigma-t: Trans Fluores PAR: Nitra Fl Phosph Fl Silic Fl Chloro Fl Dimeth Fl !le_ tt re:CTD ure:CTD : CTD missi cence: CTD te_pl ag ate: ag ate: ag phyll: ag yl_ ag !Numb ~u Practica vity: CTD: ~Nitr ~o Bottle ~o Bottl ~o Extrac ~o Sulphi ~o !er mb l:CTD CTD Seapoin ite:B tt tt e tt ted: tt de: tt ! er t ottle le le le Bottle le Bottle le !---- -- ------ -------- -------- -------- ----- ------- ------ ----- -- ------ -- ----- -- ------ -- ------ -- *END OF HEADER 449 24 3.2 6.0563 32.5691 25.6510 54.5 0.832 0.1 -99.0 -99.00 -99.0 -99.00 -99.00 448 23 3.6 6.0553 32.5692 25.6512 57.4 0.845 0.1 14.4 1.37 21.4 0.36 0.28 447 22 3.8 6.0499 32.5692 25.6519 56.4 0.835 0.1 14.3 1.38 21.4 0.39 0.30 446 21 2.9 6.0522 32.5684 25.6510 55.8 0.839 0.1 -99.0 -99.00 -99.0 -99.00 -99.00 445 20 11.2 6.0514 32.5690 25.6516 57.4 0.832 0.0 14.3 1.38 21.4 0.38 6 0.34 444 19 10.1 6.0532 32.5690 25.6513 57.4 0.816 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 443 18 15.0 6.0510 32.5685 25.6512 57.4 0.826 0.0 14.4 1.38 21.4 0.35 0.30 442 17 23.0 6.0577 32.5690 25.6508 57.4 0.839 0.0 14.4 1.38 21.4 0.36 0.27 6 441 16 23.5 6.0596 32.5691 25.6506 57.3 0.847 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 440 15 25.1 6.0538 32.5688 25.6511 57.4 0.853 0.0 14.4 1.39 21.4 0.38 0.26 439 14 29.7 6.0533 32.5687 25.6511 57.4 0.849 0.0 14.5 1.39 21.4 0.37 0.27 438 13 28.2 6.0513 32.5686 25.6513 57.4 0.842 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 437 12 38.8 6.0385 32.5681 25.6524 57.7 0.824 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 436 11 38.7 6.0444 32.5681 25.6517 57.4 0.839 0.0 14.6 1.38 21.4 0.37 0.20 435 10 38.7 6.0443 32.5681 25.6517 57.4 0.833 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 434 9 49.6 6.0396 32.5679 25.6521 57.6 0.828 0.0 14.6 6 1.39 6 21.3 6 0.38 0.24 433 8 76.5 6.0116 32.5673 25.6551 58.0 0.750 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 432 7 78.0 6.0111 32.5673 25.6551 58.1 0.752 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 431 6 99.5 6.0091 32.5674 25.6555 58.3 0.727 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 430 5 99.1 6.0087 32.5673 25.6554 58.3 0.729 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 429 4 120.8 5.5684 32.6400 25.7656 59.8 0.397 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 428 3 150.8 4.3902 33.1085 26.2675 61.1 0.168 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 427 2 302.8 4.0691 33.8828 26.9161 61.4 0.168 0.0 -99.0 -99.00 -99.0 -99.00 -99.00 426 1 599.3 3.6388 34.1742 27.1913 61.7 0.171 0.0 -99.0 -99.00 -99.0 -99.00 -99.00