Dataset: CTD profiles
Deployment: OC415-02

CTD pressure, temperature, salinity profiles

Principal Investigator:

James R. Ledwell (Woods Hole Oceanographic Institution, WHOI)

BCO-DMO Data Manager:

Theresa McKee (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Eddies Dynamics, Mixing, Export, and Species composition (EDDIES)

Version:

15 February 2006

Deployment Synonyms:

EDDIES 2005 Tracer 1, OC415-2, OC415_T1

Version Date:

2006-02-15

Data URL:

https://www.bco-dmo.org/dataset-deployment/452299/data

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Description

CTD pressure, temperature, salinity profiles

Methods & Sampling

Dataset acquisition description

Deployment-specific acquisition description

 
 PI:              Jim Ledwell (Chief Scientist)
 of:              Woods Hole Oceanographic Institution (WHOI)
 dataset:         CTD profiles; pres, temp, salinity, etc.
 dates:           19 July 2005 to 01 August 2005  (20050719-20050801)
 location:        N: 30.785  S: 28.306  W: -67.826  E: -66.576
 project/cruise:  EDDIES/OC415-2 2005 Tracer 1
 platform:        R/V Oceanus
 
 Methodology

 Change history: YYMMDD
    050906: downloaded original data from EDDIES data web site;
            added to OCB database by Cyndy Chandler, OCB DMO
    070524: units confirmed via email by Larry Anderson (WHOI)
 
 Map:  CTD cast locations
       and without casts 19 and 20
 
 OCB DMO Note: Data were recovered from Seabird *.cnv files and are
     reported as 1 dbar pressure sorted profiles.  Data from both
     primary (T0 and C0) and secondary (T1 and C1) sensors are
     included. Secondary sensor parameter names all end in "_S".

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-0241310	NSF Division of Ocean Sciences

Instruments

CTD Sea-Bird SBE 911plus

Supplied Description:

SBE 911/917 plus CTD
Pressure, Digiquartz with TC
dual Temperature and Conductivity sensors
Fluorometer, Wetlab ECO-AFL/FL
PAR/Irradiance, Biospherical/Licor
Transmissometer, Chelsea/Seatech/Wetlab CStar
ISUS_NO3
Oxygen, SBE 43
SPAR/Surface Irradiance

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

LI-COR Biospherical PAR Sensor

Supplied Description:

Instrument Type

Generic Name: LI-COR Biospherical PAR Sensor

Acronym: LI-COR Biospherical PAR

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0074/

Generic Description:

The LI-COR Biospherical PAR Sensor is used to measure Photosynthetically Available Radiation (PAR) in the water column. This instrument designation is used when specific make and model are not known.

Sea-Bird SBE 43 Dissolved Oxygen Sensor

Supplied Name: SBE 43 Dissolved Oxygen Sensor

Supplied Description:

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.

Wet Labs ECO-AFL/FL Fluorometer

Supplied Description:

Instrument Type

Generic Name: Wet Labs ECO-AFL/FL Fluorometer

Acronym: ECO AFL/FL

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0172/

Generic Description:

The Environmental Characterization Optics (ECO) series of single channel fluorometers delivers both high resolution and wide ranges across the entire line of parameters using 14 bit digital processing. The ECO series excels in biological monitoring and dye trace studies. The potted optics block results in long term stability of the instrument and the optional anti-biofouling technology delivers truly long term field measurements.
more information from Wet Labs

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
event	unique sampling event number	YYYYMMDDhhmm	event
date	start date of event (GMT)	YYYYMMDD	date
time	start time of event (GMT)	hhmm	time
lon	longitude, negative denotes West	decimal degrees	lon
lat	latitude, negative denotes South	decimal degrees	lat
Pmax	pressure, maximum during cast	decibars	Pmax
sta	station number	dimensionless	sta
press	pressure, from CTD	decibars	press
depth	depth, calculated from pressure	meters	depth
temp	temperature, from CTD, ITS-90 (from primary T0 sensor)	degrees Celsius	temp
potemp	potential temperature, ITS-90 (from primary T0,C0 sensors)	degrees Celsius	potemp
sal	salinity, from CTD, PSS-78 (PSU) (from primary T0,C0 sensors)	dimensionless	sal
sigma_0	sigma theta (potential density) (from primary T0,C0 sensors)	kilograms/meter^3	sigma_0
temp_S	temperature, from CTD, ITS-90 (from secondary T1 sensor)	degrees Celsius	temp2
sal_S	salinity, from CTD, PSS-78 (PSU) (from secondary T1,C1 sensors)	dimensionless	sal2
sigma_S	sigma theta (potential density) (from secondary T1,C1 sensors)	kilograms/meter^3	sigma_theta
cond	conductivity, from CTD (from primary C0 sensor)	Siemens/meter	cond
cond_S	conductivity, from CTD (from secondary C1 sensor)	Siemens/meter	cond2
O2_ml_L	oxygen, dissolved from SBE CTD	milliliters/liter	O2_ml_L
fluor_chla	fluorescence, from CTD profiler WET Labs ECO-AFL/FL sensor, rescaled units are numerically equivalent to chlorophyll-a concentrations	micrograms/liter	chl_a_fluor
PAR	irradiance, Biospherical/Licor	microEinsteins/meter^2/second	PAR
SPAR	surface irradiance	microEinsteins/meter^2/second	SPAR
trans	light transmission from Chelsea/Seatech/Wetlab CStar 0.000 indicates missing or no data	percent/100	trans
sigma_0_S	sigma theta (potential density) (from secondary T1,C1 sensors)	kilograms/meter^3	sigma_theta
O2_umol_kg	oxygen, dissolved from SBE CTD	micromoles/kilogram	O2_umol_kg
turb	seapoint turbidity meter data	FTU	turbidity
O2_mg_L	oxygen, dissolved from SBE 43	milligrams/liter	O2
fluor	fluorescence, (wetlabs eco)	micrograms/liter	fluor
O2_ml_L_S	oxygen, dissolved (secondary)	milliliters/liter	O2
sigma_t	sigma -T (density) from primary cond and temp	kilograms/meter^3	sigma_t

Database

Contribute Data

Dataset: CTD profiles
Deployment: OC415-02

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: CTD profilesDeployment: OC415-02

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: CTD profiles
Deployment: OC415-02