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ctd-SIO

Data Object CTD
contact PIs:
name        title
Dr Kenneth Coale         Principal Investigator
Dr David Siegel         Principal Investigator
Dr Ken O. Buesseler         Principal Investigator

Dataset description

SOFeX project CTD profile data

Acquisition description

 dates:           12 February 2002 to 20 February 2002  (20020212-20020220)
 location:        N: -65.854  S: -74.120  W: 172.924  E: -172.315
 project/cruise:  SOFeX/USCGC Polar Star (WAGB-10) cruise: PS02
 
 Methodology:  data were collected with SeaBird 911 CTD profiler

Processing description

 Change history: YYMMDD
   060110: original version prepared from Scripps standard CTD (SIO CTD) casts
   060119: added to OCB database by Cyndy Chandler, OCB DMO, (cchandler@whoi.edu)
   070327: dates and position information corrected to match Seabird header records.

 Methodology

10 January 2006: Prepared for OCB data system by Terry McKee (PO Dept, WHOI) and Cyndy Chandler, OCB DMO (WHOI).

Data were processed using the standard set of Seabird utilities, to generate final 1-decibar pressure sorted downtrace files for all CTD casts. All final processed *.asc CTD files were downloaded by the OCB DMO in December 2005 from the SOFeX web site:
http://www.mbari.org/SOFeX/Revelle_Data/Revelle_Station_Data/Revelle_SIO_CTD_data.htm

The event number, date, time, latitude and longitude position information were taken from the *.hdr CTD header files. Dates and positions as initially entered in the database were incorrect. This information was corrected in the 27 March 2007 version of the database.

Final CTD station header record:
SIO-CTD station 2

Final CTD station configuration (con report) files were not provided with .asc files.

Also, note there is no data file for station 31.

PI note: the following SIO CTD casts from Revelle have bad oxygen data. Please consult this list to avoid using bad data.

SX020C01
SX021C01
SX021C02
SX022C01
SX024C01
SX024C03
SX024C04
SX026C04
SX027C01
SX027C02
SX028C01
SX028C02
SX028C03
SX029C01


Note that the following SIO CTD casts from Revelle have bad transmissometer data:

SX002C01
SX003C01
SX004C01
SX005C01
SX006C01
SX007C01
SX008C01
SX009C01
SX009C04
SX010C01
SX010C02
SX011C02
SX011C03
SX012C02
SX015C01
SX016C01
SX017C01
SX018C01
SX019C01
SX019C02
SX019C03
SX019C04
SX020C01
SX027C01
SX028C02

Field Names List

ParameterDescriptionUnits
eventunique sampling event number from event log (day of year and time (UTC))doYhhmm
datedate sampling began (UTC)YYYYMMDD
timetime sampling began (UTC)hhmm
time_Ltime, local (GMT +13)hhmm
lonlongitude, negative denotes Westdecimal degrees
latlatitude, negative denotes Southdecimal degrees
seafloorseafloor depthmeters
Pmaxpressure, maximum in profilemeters
stationstation location numberdimensionless
castCTD cast number per cruisedimensionless
presspressure, from CTDdecibars
depthdepth, calculated from pressuremeters
temptemperature, from CTD, ITS-90 (from primary T0 sensor)degrees Celsius
potemppotential temperature, ITS-90 (from primary T0,C0 sensors)degrees Celsius
salsalinity, from CTD, PSS-78 (PSU) (from primary T0,C0 sensor)dimensionless
sigma_0sigma theta (potential density) (from primary T0,C0 sensors)kilograms/meter^3
O2_ml_Loxygen, dissolvedml/liter
O2_satoxygen saturationml/liter
O2_satPoxygen saturation, percentpercent
transtransmissivity (CST-492D)percent
fluorfluorescence, chelsea FlCunknown ??
PARPhotosynthetically Available Radiation irradianceunknown ??
SPARsurface PAR irradianceunknown ??
condconductivitymS/cm
batunknownunknown ??
SvWunknownunknown ??
stastation identifierdimensionless
ev_typeevent type descriptor stringdimensionless
oxygen_ctdoxygen, dissolved from SBE CTD (is this O2_umol_kg ??)Mm/Kg
V2unknown, possibly altimeter ??unknown ??
V3unknown, zeroed, possibly SPARunknown ??
yrDayday of year sampling begandecimal day of year
sigma-tsigma-T (density)kilograms/meter^3
beam_attBeam attenuation Chelsea/Seatech1/meter
altaltimetermeters
temp_Stemperature, from CTD, ITS-90degrees Celsius
sal_Ssalinity, from CTD, PSS-78 (PSU)dimensionless
potemp_Spotential temperature, ITS-90degrees Celsius
sigma-t_Ssigma-T (density)kilograms/meter^3
sigma_0_Ssigma theta (potential density)kilograms/meter^3
cond_Sconductivity, from CTDmilliSiemens/centimeter

Platforms List

R/V Melville COOK19MV R/V Roger Revelle DRFT08RR USCGC Polar Star PS02_2002

Instruments List

  1. CTD Seabird 9:

  2. CTD Seabird 911:


This document is created from the content of the BCO-DMO metadata database.    2009-11-22  08:57:21

info app: /home/ocb/dbase v.090827 CLC
Data URL: http://ocb.whoi.edu/jg/serv/OCB/SOFeX/Melville/ctd-SIO.