Dataset: CARGO CTD Profiles
Deployment: BH08-01

CTD profile data from lake superior

Principal Investigator:

Dr Robert W. Sterner (University of Minnesota Twin Cities, UMTC)

Contact:

Dr Robert W. Sterner (University of Minnesota Twin Cities, UMTC)

Technician:

Ms Sandra Brovold (University of Minnesota Twin Cities, UMTC)

BCO-DMO Data Manager:

Stephen R. Gegg (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Amber D. York (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Primary Production and Grazing Dynamics In the Ultra-Oligotrophic Waters of Lake Superior (CARGO)

Current State:

Final no updates expected

Version:

20 July 2012

Deployment Synonyms:

CARGO 4

Version Date:

2012-07-20

Data URL:

https://www.bco-dmo.org/dataset-deployment/455115/data

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Description

This dataset contains CTD profile data collected during R/V Blue Heron cruises in Lake Superior.

Methods & Sampling

Dataset acquisition description

CTD casts were conducted during R/V Blue Heron cruises at designated stations.

Deployment-specific acquisition description

* Sea-Bird SBE 9 Data File:
* FileName = C:SeasaveRawCTD_2008Sternerapr2008CD1.dat
* Software Version Seasave Win32 V 5.37d
* Temperature SN = 2723
* Conductivity SN = 2271
* Number of Bytes Per Scan = 34
* Number of Voltage Words = 5
* Number of Scans Averaged by the Deck Unit = 1
* System UpLoad Time = Apr 29 2008 10:56:01
* NMEA Latitude = 47 03.88 N
* NMEA Longitude = 091 25.53 W
* NMEA UTC (Time) = Apr 29 2008 15:51:05
* Store Lat/Lon Data = Append to Every Scan
** Ship:
** Cruise:
** Station:
** Latitude:
** Longitude:
# nquan = 18
# nvalues = 30756
# units = specified
# name 0 = prDM: Pressure, Digiquartz [db]
# name 1 = t090C: Temperature [ITS-90, deg C]
# name 2 = c0uS/cm: Conductivity [uS/cm]
# name 3 = specc: Specific Conductance [uS/cm]
# name 4 = xmiss: Beam Transmission, Chelsea/Seatech/Wetlab CStar [%]
# name 5 = wetStar: Fluorescence, Wetlab Wetstar [mg/m^3]
# name 6 = dz/dtM: Descent Rate [m/s]
# name 7 = ph: pH
# name 8 = par: PAR/Irradiance, Biospherical/Licor
# name 9 = sal00: Salinity [PSU]
# name 10 = sbeox0Mm/Kg: Oxygen, SBE 43 [umol/Kg]
# name 11 = sbeox0Mg/L: Oxygen, SBE 43 [mg/l]
# name 12 = wetCDOM: Fluorescence, Wetlab CDOM [mg/m^3]
# name 13 = spar: SPAR/Surface Irradiance
# name 14 = latitude: Latitude [deg]
# name 15 = longitude: Longitude [deg]
# name 16 = scan: Scan Count
# name 17 = flag: 0.000e+00
# span 0 =      0.253,    244.807
# span 1 =     1.7997,     3.3803
# span 2 = 54.011600, 57.477159
# span 3 =     99.934,    104.224
# span 4 =    76.2442,    85.0006
# span 5 =     0.2501,     2.7697
# span 6 =     -0.869,      0.737
# span 7 =      3.541,      3.618
# span 8 = 5.1288e+00, 9.9990e+03
# span 9 =     0.0423,     0.0441
# span 10 =    375.601,    414.188
# span 11 =   12.01915,   13.25345
# span 12 =     1.6440,     4.7619
# span 13 = 2.1633e+03, 2.2247e+03
# span 14 =   47.06466,   47.06650
# span 15 = -91.42556, -91.42046
# span 16 =          1,      30756
# span 17 = 0.0000e+00, 0.0000e+00
# interval = seconds: 0.0416667
# start_time = Apr 29 2008 10:56:01
# bad_flag = -9.990e-29
# sensor 0 = Frequency 0 temperature, 2723, 30 Jan 2008
# sensor 1 = Frequency 1 conductivity, 2271, 29 Jan 2008, cpcor = -9.5700e-08
# sensor 2 = Frequency 2 pressure, 756869, 17-Feb-04
# sensor 3 = Extrnl Volt 0 Oxygen, SBE, primary, 0471, 5 Mar 2008
# sensor 4 = Extrnl Volt 1 WET Labs, CDOM
# sensor 5 = Extrnl Volt 2 pH, 270135, 26 Feb 2008
# sensor 6 = Extrnl Volt 3 oxidation reduction potential, 270135, 26 Feb 2008
# sensor 7 = Extrnl Volt 4 transmissometer, primary, CST-268PR, 27 Feb 2007
# sensor 8 = Extrnl Volt 5 WET Labs, WETStar fluorometer, 11 Mar 2008
# sensor 9 = Extrnl Volt 6 altimeter
# sensor 10 = Extrnl Volt 7 irradiance (PAR), primary, 4554, 8 Feb 2007
# sensor 11 = Extrnl Volt 9 surface irradiance (SPAR), degrees = 0.0
# datcnv_date = May 01 2008 06:52:08, 5.37e
# datcnv_in = C:SeasaveRawCTD_2008Sternerapr2008CD1.dat C:SeasaveRawCTD_2008Sternerapr2008CD1.CON
# datcnv_skipover = 0
# file_type = ascii
*END*

Data Processing Description

Dataset Processing Description

BCO-DMO Processing Notes
- Generated from original .asc files contributed by Bob Sterner and Zack Ruff
- Upcast data removed from original files
- Awk written to reformat original files
- AWK: CARGO[x]_CTDasc_2_BCODMO.awk
- Header data (parameter names) for CTD data generated from .hdr files
- Space delimited reformatted to tab delimited
- All records with "#" or "*" ignored
- Blank lines ignored
- BCO-DMO header o/p from routine
- Parameter "sbeox0_Mn" corrected to "sbeox0_Mm" 20July2012/srg

More information about this dataset deployment

Funding

Award Number	Funding Source
unknown CARGO MN Sea Grant	Minnesota Sea Grant

Instruments

CTD Sea-Bird SBE 911plus

Supplied Description:

Instrument Type

Generic Name: CTD Sea-Bird SBE 911plus

Acronym: CTD SBE 911plus

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0058/

Generic Description:

The Sea-Bird SBE 911 plus is a type of CTD instrument package for continuous measurement of conductivity, temperature and pressure. The SBE 911 plus includes the SBE 9plus Underwater Unit and the SBE 11plus Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 plus and SBE 11 plus is called a SBE 911 plus. The SBE 9 plus uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 plus and SBE 4). The SBE 9 plus CTD can be configured with up to eight auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). more information from Sea-Bird Electronics

pH Sensor

Supplied Name: SBE 27I

Supplied Description:

Instrument Type

Generic Name: pH Sensor

Generic Description:

An instrument that measures the hydrogen ion activity in solutions.

The overall concentration of hydrogen ions is inversely related to its pH. The pH scale ranges from 0 to 14 and indicates whether acidic (more H+) or basic (less H+).

Photosynthetically Available Radiation Sensor

Supplied Name: PAR/Irradiance Biospherical QSP-200L

Supplied Description:

Instrument Type

Generic Name: Photosynthetically Available Radiation Sensor

Acronym: PAR sensor

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/122/

Generic Description:

A PAR sensor measures photosynthetically available (or active) radiation. The sensor measures photon flux density (photons per second per square meter) within the visible wavelength range (typically 400 to 700 nanometers). PAR gives an indication of the total energy available to plants for photosynthesis. This instrument name is used when specific type, make and model are not known.

Salinity Sensor

Supplied Name: SBE 4C

Supplied Description:

Instrument Type

Generic Name: Salinity Sensor

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/350/

Generic Description:

Category of instrument that simultaneously measures electrical conductivity and temperature in the water column to provide temperature and salinity data.

Sea-Bird SBE 43 Dissolved Oxygen Sensor

Supplied Name: SBE 43 Dissolved Oxygen Sensor

Supplied Description:

SBE 43

Instrument Type

Generic Name: Sea-Bird SBE 43 Dissolved Oxygen Sensor

Acronym: SBE-43 DO

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0036/

Generic Description:

The Sea-Bird SBE 43 dissolved oxygen sensor is a redesign of the Clark polarographic membrane type of dissolved oxygen sensors. more information from Sea-Bird Electronics

Transmissometer

Supplied Description:

Instrument Type

Generic Name: Transmissometer

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/124/

Generic Description:

A transmissometer measures the beam attenuation coefficient of the lightsource over the instrument's path-length. This instrument designation is used when specific manufacturer, make and model are not known.

WETLabs WETStar fluorometer

Supplied Name: Chl-a Wetlabs Wetstar WS3S

Supplied Description:

Instrument Type

Generic Name: WETLabs WETStar fluorometer

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0075/

Generic Description:

Submersible fluorometer designed for through-flow or pumped CTD applications manufactured by WetLabs and which can be configured for various types of fluorescence. The probe has a temperature range of 0-30 degrees C and a depth rating of 600m.

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
CruiseId	Cruise Id	text	cruiseid
Station	Station - From Station List	text	station
Cast	CTD cast at the same station	integer	cast
Date	Station date (GMT)	YYYYMMDD	date
Time	Station time (GMT)	HHMMSS	time
Lat	Station latitude (South is negative)	decimal degrees	lat
Lon	Station longitude (West is negative)	decimal degrees	lon
prDM	Pressure digiquartz SBE 9+ SeaBird documentaion for converting pressure in decibars to depth in meters available at: http://www.seabird.com/application_notes/AN69.htm Formula for fresh water: depth (meters) = pressure (decibars) * 1.019716	db	press
t090	Temp ITS-90 SBE 3+	deg C	temp
c0	Conductivity SBE 4C	uS/cm	cond
specc	Specific Conductance SBE 4C	uS/cm	specc
wetStar	Chl-a Wetlabs Wetstar WS3S	mg/m^3	chl_a
wetCDOM	CDOM Wetlabs Wetstar WSCD	mg/m^3	CDOM
par	PAR/Irradiance Biospherical QSP-200L	(tbd)	PAR
dz_dt	Descent Rate calculated by software	m/s	descent_rate
ph	pH SBE 27I	pH	pH
sal00	Salinity SBE 4C	PSU	sal
xmiss	Beam Transmission Chelsea/Seatech/Wetlab CStar	percentage	trans
sbeox0_Mm	DO SBE 43	umol/Kg	O2
spar	SPAR/Surface Irradiance	(tbd)	SPAR
latitude	Data latitude (South is negative)	decimal degrees	lat
longitude	Data longitude (West is negative)	decimal degrees	lon
scan	scan count calculated by software	integer	scan
flag	Flag calculated by software	integer	flag
sbeox0_Mg	DO SBE 43	mg/l	O2_mg_L

Database

Contribute Data

Dataset: CARGO CTD Profiles
Deployment: BH08-01

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: CARGO CTD ProfilesDeployment: BH08-01

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: CARGO CTD Profiles
Deployment: BH08-01