Dataset: Prochlorococcus in situ growth rates
Deployment: CH0409

Prochlorococcus in situ growth rates from cell cycle analysis.

Principal Investigator:

Dr Brian Binder (University of Georgia, UGA)

BCO-DMO Data Manager:

Hannah Ake (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Top-Down Regulation of Picophytoplankton in the Sargasso Sea: Application of a Reciprocal Transplant / Dilution Approach (Picophytoplankton_Regulation)

Current State:

Final no updates expected

Version:

Final

Data URL:

https://www.bco-dmo.org/dataset-deployment/717006/data

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Description

Prochlorococcus in situ growth rates from cell cycle analysis.

These data were published in:

Hynes et al., 2015

Rhodes, 2019.

Other relevant files and publications:

Braunwarth & Sommer, 1985

Liu et al., 1997

McDuff & Chrisholm, 1982

Methods & Sampling

Dataset acquisition description

Prochlorococcus growth rates were calculated from diel time courses of the cell cycle phase fractions in data set ProCellCyclePhase from this project, as described in McDuff & Chisholm (1982) and modified by Liu et al. (1997). These calculations require an estimate of Td, the duration of the terminal cell cycle phase (in this case the combined duration of S and G2). Td is derived here using the areal median of the S and G2 time series (Braunwarth and Sommer 1985) as recommended by Hynes et al. (2015).

Data Processing Description

Dataset Processing Description

BCO-DMO Data Processing Notes:

- separated dateTime columns from Time.Start.UTC and Time.End.UTC to date_start_UTC and time_start_UTC and date_end_UTC and time_end_UTC (created 2 new columns)
- replaced all decimal points in column names with underscores
- reformatted date from mm/dd/yy to yyyy/mm/dd and time from AM/PM to 24hr time
- added ISO_DateTime_UTC column

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-0751672	NSF Division of Ocean Sciences

Instruments

None available yet

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
Cruise	R/V Cape Hatteras Cruise Designation	unitless	cruise_id
Wx	Experiment Designation	unitless	exp_id
Depth	Sample depth	meters	depth
date_start_UTC	Starting date; yyyy/mm/dd	unitless	date_start
time_start_UTC	Starting time; hh:mm	unitless	time_start
date_end_UTC	End date; yyyy/mm/dd	unitless	date_end
time_end_UTC	End time; hh:mm	unitless	time_end
lat_min	Lowest Latitude among set of stations	decimal degrees	lat
lat_max	Highest Latitude among set of stations	decimal degrees	lat
lon_min	Lowest Longitude among set of stations	decimal degrees	lon
lon_max	Highest Longitude among set of stations	decimal degrees	lon
Td	Calculated duration of terminal cell cycle phase	days	duration
pro_gr_cc	Prochlorococcus growth rate based on cell cycle	day -1	growth
ISO_DateTime_UTC	DateTime UTC; ISO formatted	unitless	ISO_DateTime_UTC

Database

Contribute Data

Dataset: Prochlorococcus in situ growth rates
Deployment: CH0409

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: Prochlorococcus in situ growth ratesDeployment: CH0409

Dataset acquisition description

Dataset Processing Description

Dataset: Prochlorococcus in situ growth rates
Deployment: CH0409