URLhttps://www.bco-dmo.org/dataset/816527
Download URLhttps://www.bco-dmo.org/dataset/816527/data/download
Media Type text/tab-separated-values
Created June 23, 2020
Modified June 30, 2020
State Preliminary and in progress

Processing Description

Data were processed in Excel.

BCO-DMO Data Manager Processing Notes:
* Data from originally submitted Excel file Data_MRP.xlsx exported as csv.  Sheets for step 1 and step 2 combined into one data table.  Values exported as formatted in excel with decimals with three decimal places.
* added a conventional header with dataset name, PI name, version date
* modified parameter names to conform with BCO-DMO naming conventions
* blank values in this dataset are displayed as “nd” for “no data.” nd is the default missing data identifier in the BCO-DMO system.
* Date format changed to ISO 8601 format yyyy-mm-dd

Instruments

QuikChem 8000 automated ion analyzer [Flow Injection Analyzer]
Details
An instrument that performs flow injection analysis. Flow injection analysis (FIA) is an approach to chemical analysis that is accomplished by injecting a plug of sample into a flowing carrier stream. FIA is an automated method in which a sample is injected into a continuous flow of a carrier solution that mixes with other continuously flowing solutions before reaching a detector. Precision is dramatically increased when FIA is used instead of manual injections and as a result very specific FIA systems have been developed for a wide array of analytical techniques.

Parameters

Extract [sample_descrip]
Details
Extract
Extraction solution
text description of sample collected
Details
Step
Step in the sequential extraction scheme (1–4)
text description of sample collected
Dilution [treatment]
Details
Dilution
Sample dilution or "None"

Experimental conditions applied to experimental units.  In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.

Date [date]
Details
Date
Date the samples were analyzed in ISO 8601 format yyyy-mm-dd

date; generally reported in GMT as YYYYMMDD (year; month; day); also as MMDD (month; day); EqPac dates are local Hawaii time. ISO_Date format is YYYY-MM-DD (http://www.iso.org/iso/home/standards/iso8601.htm)

Sample_ID [sample]
Details
Sample_ID
Unique sample identifier

unique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent

Analyte_Name [sample_descrip]
Details
Analyte_Name
Element analyzed
text description of sample collected
Peak_Concentration [PO4]
Details
Peak_Concentration
Phosphate concentration (uncorrected)

Orthophosphate (phosphate, reactive phosphorus), Various units. 

Blank_corrected [sample_descrip]
Details
Blank_corrected

Concentration adjusted after blank

text description of sample collected
Actual_PO4 [PO4]
Details
Actual_PO4
Concentration corrected for dilution

Orthophosphate (phosphate, reactive phosphorus), Various units. 

P_extracted [PO4]
Details
P_extracted
Amount of phosphorus extracted

Orthophosphate (phosphate, reactive phosphorus), Various units. 

Sed_mass [mass_dry]
Details
Sed_mass
Dried sediment mass
mass of freeze-dried specimen
PO4 [PO4]
Details
PO4
Micromoles of phosphorus per gram of sediment (ground dry weight)

Orthophosphate (phosphate, reactive phosphorus), Various units. 

Peak_Area [unknown]
Details
Peak_Area

Peak area

association with a community-wide standard parameter is not yet defined
Peak_Height [unknown]
Details
Peak_Height

Peak height

association with a community-wide standard parameter is not yet defined

Dataset Maintainers

NameAffiliationContact
Adina PaytanUniversity of California-Santa Cruz (UC Santa Cruz)
Delphine DefforeyUniversity of California-Santa Cruz (UC Santa Cruz)
Amber YorkWoods Hole Oceanographic Institution (WHOI BCO-DMO)

BCO-DMO Project Info

Project Title Potential phosphorus uptake mechanisms of the deep sedimentary biosphere
Acronym Deep sea sediments
URLhttps://www.bco-dmo.org/project/664073
Created November 7, 2016
Modified November 7, 2016
Project Description

The goal of this project is to explore potential microbial P uptake mechanisms in marine sediments beneath the North Atlantic Gyre and their effects on the relative distribution of organic P compounds as a function of burial depth and changing redox conditions. We use a combination of metagenomic analyses and solution 31P nuclear magnetic resonance spectroscopy (31P NMR) to investigate (1) the presence of microbial functional genes pertaining to P uptake and metabolism and (2) the possible P substrates for the deep biosphere in these oligotrophic sediments.

NSF C-DEBI Award #156246 to Dr. Adina Paytan

NSF C-DEBI Award #157598 to Dr. Delphine Defforey 

Data Project Maintainers
NameAffiliationRole
Adina PaytanUniversity of California-Santa Cruz (UC Santa Cruz)Principal Investigator
Benjamin J. TullyUniversity of Southern California (USC)Co-Principal Investigator
Jason B. SylvanTexas A&M University (TAMU)Co-Principal Investigator
Delphine DefforeyUniversity of California-Santa Cruz (UC Santa Cruz)Co-Principal Investigator
Barbara J. Cade-MenunAgriculture and Agri-Food Canada (AGR GC)Co-Principal Investigator
Brandi Kiel ReeseTexas A&M, Corpus Christi (TAMU-CC)Co-Principal Investigator
Laura A. ZinkeUniversity of Southern California (USC)Co-Principal Investigator
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