Dataset: production vs. irradiance
Deployment: NBP0103

Production vs Irradiance data from NBP0103

Principal Investigator:

Dr Maria Vernet (University of California-San Diego, UCSD-SIO)

BCO-DMO Data Manager:

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

Project:

U.S. GLOBEC Southern Ocean (SOGLOBEC)

Deployment Synonyms:

GLOBECI

Coordinated Deployments:

LMG0104

Data URL:

https://www.bco-dmo.org/dataset-deployment/450348/data

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Description

Production vs Irradiance

A short note on the "Southern Ocean Grid System": The grid is a Cartesian plane covering the sample region in which distances are easy to calculate. The grid system used for SOGLOBEC is a universal transverse mercator (UTM) projection with a certain base point and rotation. The base point was chosen in the far south and the rotation was chosen to create one axis along the peninsula, and the other offshore. The units of UTM are meters, but the points are chosen in km rounded to the nearest km. Negative numbers mean that samples were taken southwest of the y axis or southeast of the x axis. For more details see: Complete explanation of the Southern Ocean grid system.

Reference:
Platt, T, and Jassby, A.D., 1976. The relationship between Photosynthesis and Light for Natural Assemblages of Coastal Marine Phytoplankton. Journal of Phycology. Vol. 12; p. 421-430.

Data Contributed by:
Maria Vernet
Integrative Oceanographic Division
Scripps Institution of Oceanography
University of California San Diego
La Jolla, California 92093-0218

Phone: 1-858-534-5322
E-mail: mvernet@ucsd.edu

Last updated: December 01, 2005; gfh

Methods & Sampling

Dataset acquisition description

roduction vs Irradiance data from Southern Ocean Globec for NBP0103 cruise

Deployment-specific acquisition description

roduction vs Irradiance data from Southern Ocean Globec for NBP0103 cruise

Data Processing Description

Dataset Processing Description

More information about this dataset deployment

Funding

Award Number	Funding Source
ANT-9910175	NSF Antarctic Sciences

Instruments

Niskin bottle

Supplied Name: Niskin Bottle

Supplied Description:

Niskin bottle cast used to collect water samples for pigment, nutrient, plankton, etc. analysis

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

Supplied Name	Supplied description	Supplied Units	Standard Name
cruiseid	cruise identification. (e.g. NBP0104)		cruiseid
year	year, GMT, (e.g. 2001)		year
station_desc	station description, as defined in a grid system, or plain text		station_desc
station	station number, generally numbered consecutively within cruise		station
grid_line	standard grid line, a grid location system used by GLOBEC Southern Ocean, see grid notes below		grid_line
grid_sta	a grid location for a sampling obseration/station, used with grid_line		grid_sta
yrday_gmt	year day, based on Julian Calendar	YYY.Y	yrday_gmt
lat	latitude, negative = South	degrees	lat
lon	longitude, negative = West	degrees	lon
event	event number, a unique number assigned to a specific sampling event.		event
cast	cast number, or text description		cast
bottle	CTD rosette bottle number, or text description		bottle
depth	depth of sample collected	meters	depth
diff_from_8C	deviation from 8 degrees C., the incubation temperature	degrees C	no_bcodmo_term
replicate	replicate samples, marked as A or B		replicate
alpha	light limited photosynthesis, calculated from curve	(mgC/chla/h)/(uE/m<sup>2</sup>/s)	alpha
beta	rate of photoinhibition, calculated from curve	(mgC/chla/h)/(uE/m<sup>2</sup>/s)	beta
Ik	light intensity where Pmax is reached	(uE/m<sup>2</sup>/s)	Ik
Pmax	maximum rate of photosynthesis, at given incubation temperature, under light-limiting conditions	(mgC/chla/h)	Pmax

Database

Contribute Data

Dataset: production vs. irradiance
Deployment: NBP0103

Production vs Irradiance

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: production vs. irradianceDeployment: NBP0103

Production vs Irradiance

Dataset acquisition description

Deployment-specific acquisition description

Dataset Processing Description

Dataset: production vs. irradiance
Deployment: NBP0103