Dataset: nutrients
Deployment: AII-119-5

Nutrient pump observations

Principal Investigator:

Dr Christopher Garside (Bigelow Laboratory for Ocean Sciences)

BCO-DMO Data Manager:

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

Project:

U.S. JGOFS North Atlantic Bloom Experiment (NABE)

Version:

October 29,2002

Version Date:

2002-10-29

Data URL:

https://osprey.bco-dmo.org/dataset-deployment/450778/data

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Description

Nutrient pump observations merged w/ MLML CTD data

Methods & Sampling

Dataset acquisition description

   PI:              Christopher Garside
   of:              Bigelow Laboratory for Ocean Science
   dataset:         Nutrient pump observations merged w/ MLML CTD data
   dates:           May 18, 1989 to May 31, 1989
   location:        N: 46.8317  S: 46.24  W: -18.3717  E: -17.68
   project/cruise:  North Atlantic Bloom Experiment/Atlantis II 119, leg 5
   ship:            R/V Atlantis II
 
   Note:
   Garside - Bloom nutrients

   Methods are continuous flow colorimetric procedures modified from Whitledge
   et al., 1981.  Automated Nutrient Analysis in Seawater, Brookhaven National
   Laboratory Pub. No. 51398

   Nutrient profile data.  All data were taken on MLML (Moss Landing) BOPS casts
   from which correlated CTD data have been submitted by MLML.  MLML reports that
   its CTD Oxygen data should be used with caution.

   DMO Note:
   These data are presented as received from Chris Garside.
   However, we suggest that you use the MLML CTD data within
   this file with CAUTION.  It is unclear whether values in
   this file are the final calibrated version of the CTD data.
   We therefore recommend using the CTD data as supplied by
   Moss Landing Marine Laboratory (MLML).

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Funding

Award Number	Funding Source
unknown NABE NSF	National Science Foundation

Instruments

CTD - profiler

Supplied Name: Conductivity, Temperature, Depth

Supplied Description:

MLML CTD

Instrument Type

Generic Name: CTD - profiler

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/130/

Generic Description:

The Conductivity, Temperature, Depth (CTD) unit is an integrated instrument package designed to measure the conductivity, temperature, and pressure (depth) of the water column. The instrument is lowered via cable through the water column. It permits scientists to observe the physical properties in real-time via a conducting cable, which is typically connected to a CTD to a deck unit and computer on a ship. The CTD is often configured with additional optional sensors including fluorometers, transmissometers and/or radiometers. It is often combined with a Rosette of water sampling bottles (e.g. Niskin, GO-FLO) for collecting discrete water samples during the cast.

This term applies to profiling CTDs. For fixed CTDs, see https://www.bco-dmo.org/instrument/869934.

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
sta	station number from event log	dimensionless	no_bcodmo_term
cast	cast number, numbered consecutively within station, from event log	dimensionless	cast
event	event number from event log	dimensionless	event
year	year reported as YYYY	dimensionless	year
lat	latitude, minus equals South	degrees	lat
lon	longitude, minus equals West	degrees	lon
depth_n	nominal sample depth	meters	no_bcodmo_term
sal	salinity (from MLML CTD)	dimensionless	sal
temp	temperature (from MLML CTD)	degrees C	temp
sigma_t	sigma-t (calculated by Garside)		sigma_t
NH4_umol_kg	ammonium	micromoles/kilogram	no_bcodmo_term
NO3_umol_kg	nitrate	micromoles/kilogram	no_bcodmo_term
NO2_umol_kg	nitrite	micromoles/kilogram	no_bcodmo_term
PO4_umol_kg	phosphate	micromoles/kilogram	no_bcodmo_term
Urea_umol_kg	urea	micromoles N/kilogram	no_bcodmo_term
O2	oxygen (from MLML CTD)	milliliters/liter	O2
beam_cp	beam attenuation coefficient due to particles (from MLML CTD)	1/meter	no_bcodmo_term
fluor_re	rescaled fluorescense (numerically equivalent to chlorophyll-a), (from MLML CTD)	micrograms chl_a/liter	no_bcodmo_term

Database

Contribute Data

Dataset: nutrients
Deployment: AII-119-5

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: nutrientsDeployment: AII-119-5

Dataset acquisition description

Dataset Processing Description

Dataset: nutrients
Deployment: AII-119-5