Dataset: CTD profiles - Hood Canal
Deployment: CB982

CTD hydrodata from Hood Canal Washington

Principal Investigator:

Timothy Essington (University of Washington, UW)

Co-Principal Investigator:

John K. Horne (University of Washington, UW)

Julie E. Keister (University of Washington, UW)

Sandra Parker-Stetter (Northwest Fisheries Science Center - Seattle, NOAA NWFSC)

Contact:

Julie E. Keister (University of Washington, UW)

BCO-DMO Data Manager:

Ms Dicky Allison (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

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

Project:

Consequences of hypoxia on food web linkages in a pelagic marine ecosystem (PelagicHypoxia)

Version Date:

2016-08-05

Data URL:

https://osprey.bco-dmo.org/dataset-deployment/649855/data

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Description

CTD profiles of temperature, oxygen, salinity, density, fluorescence, PAR, and transmission.

Methods & Sampling

Dataset acquisition description

CTD (Sea Bird SBE 911) casts with WETLabs ECO-AFL fluorometer and SBE 43 oxygen sensor calibrated in the field using modified Winkler titrations.

Data Processing Description

Dataset Processing Description

Data started at 1m depth from surface were processed using Sea-Bird software to create 1-m data bins. Oxygen data were aligned. Dates and times are in local time, PDT.

The O2_mg_L data are aligned (standard procedure for CTD processing is to advance the oxygen 3-7 seconds relative to the pressure).

The oxygen saturation values were the same aligned and unaligned.

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-1154648	NSF Division of Ocean Sciences

Instruments

CTD Sea-Bird 911

Supplied Name: Sea-Birt SBE 911 CTD

Supplied Description:

Instrument Type

Generic Name: CTD Sea-Bird 911

Acronym: CTD SBE 911

Community Identifier: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0035/

Generic Description:

The Sea-Bird SBE 911 is a type of CTD instrument package. The SBE 911 includes the SBE 9 Underwater Unit and the SBE 11 Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 and SBE 11 is called a SBE 911. The SBE 9 uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 and SBE 4). The SBE 9 CTD can be configured with 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 Name: PAR/ Irradiance, Biospherical/Licor

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

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

Wet Labs ECO-AFL/FL Fluorometer

Supplied Name: WETLabs ECO-AFL 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
cruise_id	cruise identifier	unitless	cruise_id
station	station identifier	unitless	station
depth_w	water depth	meters	depth_w
latitude	latitude of station	decimal degrees	lat
longitude	longitude of station	decimal degrees	lon
time_local	hours minutes and seconds in format HH:MM:SS ; time is in PDT	unitless	time_local
date_local	day month and year in format D-MMM-YYYY	unitless	date_local
ISO_DateTime_Local	Date/Time (local) in ISO format YYYY-MM-DDTHH:MM:SS[.xx] Time Zone is PDT	unitless	ISO_DateTime_Local
press	water pressure at measurement; depth reported as pressure; positive number increasing with water depth	pounds per square inch	press
depth	sample depth as measured by the CTD	meters	depth
density	quantity of mass per unit volume	kilograms per cubic meter	density
fluor	fluorescence	miligrams per cubic meter	fluor
lat	latitude of sample as measured by the CTD	decimal degrees	lat
lon	longitude of sample as measured by the CTD	decimal degrees	lon
O2sat_GG	oxygen saturation as calculated by Garcia and Gordon (1992)	miligrams per liter	O2sat
O2sat_Weiss	oxygen saturation as calculated by Weiss (1970)	miligrams per liter	O2sat
PAR	photosynthetically available (active) radiation	unknown	PAR
pH	measure of the acidity or basicity of an aqueous solution	pH scale	pH
sal	salinity	practical salinity unit (PSU)	sal
sv_Delgross	sound velocity calculated using Del Grosso (1972)	meters per second	sound_vel
temp	temperature; ITS 90	degrees Celsius	temp
potemp	potential temperature; ITS 90	degrees Celsius	potemp
press_psi	pressure	pounds per square inch	press
sv_chen	sound velocity calculated using Millero and Chen (1977)	meters per second	sound_vel
sv_wilson	sound velocity calculated using Wilson (1959)	meters per second	sound_vel
O2_mg_L	dissolved oxygen	milligrams per liter	O2_mg_L
flag	data flag from SeaBird sata processing software (0 = good)	unitless	flag
year	year of sample in format YYYY	unitless	year

Database

Contribute Data

Dataset: CTD profiles - Hood Canal
Deployment: CB982

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: CTD profiles - Hood CanalDeployment: CB982

Dataset acquisition description

Dataset Processing Description

Dataset: CTD profiles - Hood Canal
Deployment: CB982