Dataset: FRRFluorometry

Name: Fast Repetition Rate Fluorometry from CTD casts from R/V Roger Revelle KIWI9 cruiss in the Southern Ocean, 1998 (U.S. JGOFS AESOPS project)
Published: 2001-12-11
Keywords: oceans

Cite This Dataset

Project:

U.S. JGOFS Antarctic Environment and Southern Ocean Process Study (AESOPS)

Program:

U.S. Joint Global Ocean Flux Study (U.S. JGOFS)

Principal Investigator:

Robert Olson (Woods Hole Oceanographic Institution, WHOI)

Co-Principal Investigator:

Heidi M. Sosik (Woods Hole Oceanographic Institution, WHOI)

BCO-DMO Data Manager:

Cynthia L. Chandler (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Version:

December 11, 2001

Version Date:

2001-12-11

Validated:

Yes

Current State:

Final no updates expected

Fast Repetition Rate Fluorometry from CTD casts from R/V Roger Revelle KIWI9 cruiss in the Southern Ocean, 1998 (U.S. JGOFS AESOPS project)

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Description

Fast Repetition Rate Fluorometry from CTD casts

Methods & Sampling

   PI:              Rob Olson and Heidi Sosik
   of:              Woods Hole Oceanographic Institution
   dataset:         Fast Repetition Rate Fluorometry from CTD casts
   dates:           February 14, 1998 to March 15, 1998
   location:        N: -49.9867  S: -71.3157  W: -178.826  E: -165.9145
   project/cruise:  AESOPS/KIWI9 - APFZ Polar Front Process 2 cruise
   ship:            R/V Roger Revelle
 
   Sampling Methodology

Data Files

File
FRRFluorometry.csv (Comma Separated Values (.csv), 85.85 KB) MD5:bb1b989c2b2ef93bf7a430d404fc83ee Primary data file for dataset ID 2779

More Information about this dataset

Funding Sources

None available yet

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
KIWI9	RR9 https://usjgofs.whoi.edu/aesops/aboutrr8.html AESOPS	1998-02-13	R/V Roger Revelle	Wilford D. Gardner (Chief Scientist)	data info

Instruments

Fluorometer

Supplied Description:

A battery-powered FRR fluorometer with internal data logging (Chelsea Instruments, Ltd. FASTtracka) was used to measure FRR fluorometer data.

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 Name: Niskin Bottle

Supplied Description:

CTD clean rosette (Niskin) bottles were used to collect water samples.

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.

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
event	event number from event log		event
sta	station number from event log		sta
cast	cast number		cast
depth	depth in the water column	meters	depth
Fo	initial value of chlorophyll fluorescence yield before light saturation	relative	no_bcodmo_term
Fm	final value of chlorophyll fluorescence yield after saturation of photosynthetic reaction centers	relative	no_bcodmo_term
Fv_Fm_ratio	normalized variable fluorescence, equivalent to (Fm-Fo)/Fm	dimensionless	no_bcodmo_term
sigma_PSII	photosystem II (PSII) functional absorption cross-section	angstrom^2	no_bcodmo_term
tau_PSII	photosystem II turnover time	microseconds	no_bcodmo_term

Status message

Database

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Dataset: FRRFluorometry