Dataset: CTD - Hydro Nutrients - EN496

Name: CTD hydrographic and nutrients data from R/V Endeavor cruise EN496 in July 2011 in the Gulf of Mexico (GoMX - N2 Fixation project)
Published: 2013-11-01
Keywords: oceans

Cite This Dataset

Spatial Extent: N:28.85322 E:-86.7517 S:25.86147 W:-92.60462

Project:

Nitrogen fixation, nutrient supply and biological production in the Gulf of Mexico (GoMX - N2 Fixation)

Program:

Gulf of Mexico - Deepwater Horizon Oil Spill (GoMX - DHOS)

Ocean Carbon and Biogeochemistry (OCB)

Principal Investigator:

Joseph Montoya (Georgia Institute of Technology, GA Tech)

Contact:

Joseph Montoya (Georgia Institute of Technology, GA Tech)

BCO-DMO Data Manager:

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

Version:

01 November 2013

Version Date:

2013-11-01

Validated:

Current State:

Final no updates expected

CTD hydrographic and nutrients data from R/V Endeavor cruise EN496 in July 2011 in the Gulf of Mexico (GoMX - N2 Fixation project)

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Description

CTD Hydro Nutrients Data - EN496

Data Processing Description

BCO-DMO Processing Notes
Original file: "EN496-Hydro_Nutrients.xls" contributed by Joseph Montoya
- Latitude/Longitude for Op_Number inserted from CTD Station data
- Parameter names edited to conform to BCO-DMO parameter naming conventions

Data Files

File
CTD_HydroNuts_EN496.csv (Comma Separated Values (.csv), 145.88 KB) MD5:9bc1079c577a44e1b63487c01e117fe4 Primary data file for dataset ID 4071

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-0928495

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
EN496	GoM2011	2011-07-02	R/V Endeavor	Joseph Montoya (Chief Scientist)	data info

Instruments

Altimeter

Supplied Name: Benthos model PSA-916

Supplied Description:

Benthos model PSA-916

Instrument Type

Generic Name: Altimeter

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/379/

Generic Description:

An instrument that measures height above a fixed surface. The data can be used to map ocean-surface topography and generate gridded surface height fields.

CTD Sea-Bird SBE 911plus

Supplied Description:

CTD Sea-Bird SBE 911plus

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

Fluorometer

Supplied Name: Wet Labs WETStar flow through

Supplied Description:

Wet Labs WETStar flow through

Instrument Type

Generic Name: Fluorometer

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/113/

Generic Description:

A fluorometer or fluorimeter is a device used to measure parameters of fluorescence: its intensity and wavelength distribution of emission spectrum after excitation by a certain spectrum of light. The instrument is designed to measure the amount of stimulated electromagnetic radiation produced by pulses of electromagnetic radiation emitted into a water sample or in situ.

Niskin bottle

Supplied Description:

Instrument Type

Generic Name: Niskin bottle

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/

Generic Description:

A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends. The bottles can be attached individually on a hydrowire or deployed in 12, 24, or 36 bottle Rosette systems mounted on a frame and combined with a CTD. Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc.

Photosynthetically Available Radiation Sensor

Supplied Name: Biospherical Instruments models QSP200L/QSR-240

Supplied Description:

Biospherical Instruments models QSP200L/QSR-240

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.

Sea-Bird SBE 43 Dissolved Oxygen Sensor

Supplied Name: SBE 43 Dissolved Oxygen Sensor

Supplied Description:

SBE 43 Dissolved Oxygen Sensor

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

Sea-Bird SBE-3 Temperature Sensor

Supplied Description:

SBE model 3

Instrument Type

Generic Name: Sea-Bird SBE-3 Temperature Sensor

Acronym: SBE-3 Temperature

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/134/

Generic Description:

The SBE-3 is a slow response, frequency output temperature sensor manufactured by Sea-Bird Electronics, Inc. (Bellevue, Washington, USA). It has an initial accuracy of +/- 0.001 degrees Celsius with a stability of +/- 0.002 degrees Celsius per year and measures seawater temperature in the range of -5.0 to +35 degrees Celsius. more information from Sea-Bird Electronics

Sea-Bird SBE-4 Conductivity Sensor

Supplied Description:

SBE model 4

Instrument Type

Generic Name: Sea-Bird SBE-4 Conductivity Sensor

Acronym: SBE-4 Conductivity

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0417/

Generic Description:

The Sea-Bird SBE-4 conductivity sensor is a modular, self-contained instrument that measures conductivity from 0 to 7 Siemens/meter. The sensors (Version 2; S/N 2000 and higher) have electrically isolated power circuits and optically coupled outputs to eliminate any possibility of noise and corrosion caused by ground loops. The sensing element is a cylindrical, flow-through, borosilicate glass cell with three internal platinum electrodes. Because the outer electrodes are connected together, electric fields are confined inside the cell, making the measured resistance (and instrument calibration) independent of calibration bath size or proximity to protective cages or other objects.

Transmissometer

Supplied Name: Wet Labs C-Star 25-cm

Supplied Description:

Wet Labs C-Star 25-cm

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:

Wet Labs ECO Chlorophyll Fluorometer

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

Date and time formats are described in python strftime() syntax.

Supplied Name	Supplied description	Supplied Units	Standard Name
Op_Number	Operation Number (Stn.Evt)	Dimensionless	operation
Bottle	Bottle	Dimensionless	bot
Date	Date UTC	YYYYMMDD	date
Time	Time UTC	HHMMSS	time
Latitude	Station Latitude (South is negative)	decimal degrees	lat
Longitude	Station Longitude (West is negative)	decimal degrees	lon
Sal00	Salinity 0	PSU	sal
Sal11	Salinity 1	PSU	sal
Sigma_t00	Sigma-t 0 Density	Kg/m^3	sigma_theta
Sigma_t11	Sigma-t 1 Density	Kg/m^3	sigma_theta
OxsatML_per_L	Oxygen Saturation	Ml/L	O2sat
Sbeox0ML_per_L	Oxygen 0 SBE 43	Ml/L	O2
Sbeox0ML_per_L_SD	Oxygen 0 SBE 43 SDev	Ml/L	O2
Sbeox1ML_per_L	Oxygen 1 SBE 43	Ml/L	O2
Sbeox1ML_per_L_SD	Oxygen 1 SBE 43 SDev	Ml/L	O2
Potemp090C	Potential Temp 0 - ITS-90	Degrees Celsius	potemp
Potemp090C_SD	Potential Temp 0 - ITS-90 SDev	Degrees Celsius	potemp
Potemp190C	Potential Temp 1 - ITS-90	Degrees Celsius	potemp
Potemp190C_SD	Potential Temp 1 - ITS-90 SDev	Degrees Celsius	potemp
SvCM	Sound Velocity	m/sec	sound_vel
SvCM_SD	Sound Velocity SDev	m/sec	sound_vel
SvCM1	Sound Velocity 1	m/sec	sound_vel
SvCM1_SD	Sound Velocity 1 SDev	m/sec	sound_vel
Scan	Scan	Dimensionless	scan
Scan_SD	Scan SDev	Dimensionless	scan
TimeJ	Julian Time	DDD.xxxxxx	julian_day
TimeJ_SD	Julian Time SDev	.xxxxxx	julian_day
TimeS	Elapsed Time	seconds	time_elapsed
TimeS_SD	Elapsed Time SDev	seconds	time_elapsed
PrDM	Pressure	decibars	press
PrDM_SD	Pressure SDev	decibars	press
DepSM	Depth	meters	depth
DepSM_SD	Depth SDev	meters	depth
T090C	Temp 0 - ITS-90	Degrees Celsius	temp
T090C_SD	Temp 0 - ITS-90 SDev	Degrees Celsius	temp
T190C	Temp 1 – ITS-90	Degrees Celsius	temp
T190C_SD	Temp 1 – ITS-90 SDev	Degrees Celsius	temp
T2_minus_T190C	T2-T190C	Degrees Celsius	temp
T2_minus_T190C_SD	T2-T190C-SD	Degrees Celsius	temp
C0S_per_m	Conductivity 0	Siemens/meter	cond
C0S_per_m_SD	Conductivity 0 SDev	Siemens/meter	cond
C1S_per_m	Conductivity 1	Siemens/meter	cond
C1S_per_m_SD	Conductivity 1 SDev	Siemens/meter	cond
C2_minus_C1S_per_m	C2-C1S/m	Siemens/meter	cond
C2_minus_C1S_per_m_SD	C2-C1S/m-SD	Siemens/meter	cond
V0	Voltage 0	volts	no_bcodmo_term
V0_SD	Voltage 0 SDev	volts	no_bcodmo_term
Bat	Beam Attenuation	1/m	beam_cp
Bat_SD	Beam Attenuation SDev	1/m	beam_cp
Xmiss	Beam Transmission	percentage	trans
Xmiss_SD	Beam Transmission SDev	percentage	trans
V2	Voltage 2	volts	no_bcodmo_term
V2_SD	Voltage 2 SDev	volts	no_bcodmo_term
Nominal_Z	Nominal Depth	meters	depth_n
Mean_PO4	Mean PO4	(tbd)	PO4
Mean_Si	Mean Si	(tbd)	Si_part
Mean_NO3_plus_NO2	Mean NO3+NO2	(tbd)	NO3_NO2
Mean_NH4	Mean NH4	(tbd)	NH4
Mean_N_star	Mean N*	(tbd)	no_bcodmo_term

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Dataset: CTD - Hydro Nutrients - EN496