Dataset: chlTM
Deployment: TT007

TM cast Fluorometric chlorophyll a and total phaeopigment

Principal Investigator:

Jan Newton (University of Washington, UW)

Co-Principal Investigator:

James W. Murray (University of Washington, UW)

BCO-DMO Data Manager:

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

Project:

U.S. JGOFS Equatorial Pacific (EqPac)

Version:

June 24, 2002

Deployment Synonyms:

EqPac Spring Survey

Version Date:

2002-06-24

Data URL:

https://www.bco-dmo.org/dataset-deployment/450837/data

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Description

TM cast Fluorometric chlorophyll a and total phaeopigment

Methods & Sampling

Dataset acquisition description

See Platform deployments for cruise specific documentation

Deployment-specific acquisition description

   PI:              Jan Newton/James Murray
   of:              University of Washington
   dataset:         TM cast Fluorometric chlorophyll a and total phaeopigment
   dates:           February 04, 1992 to March 09, 1992
   location:        N: 11.972  S: -12.1113  W: -140.3975  E: -135.0183
   project/cruise:  EQPAC/TT007 - Spring Survey
   ship:            R/V Thomas Thompson
 
   PI note:  Due to chlorophyll degradation by the acetone (reagent grade, in
   cans) the data for the following Station/TM casts have been deleted from the
   file:  2/5, 2/6, and 3/3.
 
   For cruise TT007, TM casts were numbered consecutively within Station
   and as a result the cast number is not unique for the cruise.  When
   comparing with other data sets be sure the station/cast numbers agree.

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Instruments

Trace Metal Bottle

Supplied Description:

Trace metal (TM) clean rosette bottles were used to collect water samples.

Instrument Type

Generic Name: Trace Metal Bottle

Acronym: TM Bottle

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/30/

Generic Description:

Trace metal (TM) clean rosette bottle used for collecting trace metal clean seawater samples.

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
event	event/operation number from event log		event
sta	station number from event log		no_bcodmo_term
cast	TM cast number from event log		cast
comment	free text quality statement		no_bcodmo_term
bot	TM rosette bottle number		no_bcodmo_term
depth_n	nominal sample depth based on wire out	meters	no_bcodmo_term
fluor_vol_filt	volume of sample filtered	liters	no_bcodmo_term
scale	sensitivity scale on the fluorometer		no_bcodmo_term
df	door factor; true value of sensitivity scale		no_bcodmo_term
B	calibration factor		no_bcodmo_term
Fo	original fluorometer reading		no_bcodmo_term
Fa	fluorometer reading after 2 drops 1N HCL		no_bcodmo_term
chl_a_fluor	chlorophyll a; fluorometric method	micrograms/liter	no_bcodmo_term
phaeo	total phaeopigment	micrograms/liter	phaeo
Fo_to_Fa	Fo/Fa ratio; ranges between: max. 2.10, meaning all chlorophyll-a and no Phaeopigment min. 1.00, meaning no chlorophyll-a and all Phaeopigment		no_bcodmo_term

Database

Contribute Data

Dataset: chlTM
Deployment: TT007

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: chlTMDeployment: TT007

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: chlTM
Deployment: TT007