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Total molybdate reactive and unreactive phosphorus concentrations from sediment extracts from sediment samples collected during cruises in the Arctic Ocean, California Margin, and Equatorial Pacific from 1992-1998 (NCEI Accession 0278771)


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            title:  Total molybdate reactive and unreactive phosphorus concentrations from sediment extracts from sediment samples collected during cruises in the Arctic Ocean, California Margin, and Equatorial Pacific from 1992-1998 (NCEI Accession 0278771)
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                date:  2023-05-26
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                  Anchor:  http://lod.bco-dmo.org/id/person/50821 Adina Paytan
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/980 University of California - Santa Cruz (UCSC)
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                  Anchor:  http://lod.bco-dmo.org/id/person/664058 Delphine Defforey
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        abstract:  This dataset contains chemical data collected on R/V Thomas G. Thompson, R/V Wecoma, and USCGC Polar Sea during cruises P194AR, TT013, and W9807A from 1992-10-30 to 1998-07-24. These data include reactive phosphorus (PO4). The instruments used to collect these data include Flow Injection Analyzer. These data were collected by Adina Paytan and Dr Delphine Defforey of University of California-Santa Cruz as part of the "A new marine sediment sample preparation scheme for solution 31P NMR analysis (Marine Sediment Analysis 31P NMR)" project and "Center for Dark Energy Biosphere Investigations (C-DEBI)" program. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-07-02. The following is the text of the dataset description provided by BCO-DMO: Dataset Description: Total molybdate reactive and unreactive phosphorus concentrations from sediment extracts from sediment samples collected during cruises in the Arctic Ocean, California Margin, and Equatorial Pacific from 1992-1998. These data were published in Defforey et al. (2017). See the related-resource page https://www.bco-dmo.org/related-resource/794727 for other datasets related to this publication. Sediment sample information for this dataset is available as a supplemental document (Sediment_Sample_Info.csv) which contains collection date, water depth, sediment depth, latitude, and longitude. Additional award information: * NSF C-DEBI subaward # 156246 to Adina Paytan * NSF C-DEBI subaward # 157598 to Delphine Defforey
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          Anchor:  https://www.nsf.gov/awardsearch/showAward?AWD_ID=0939564 Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-0939564 Award URL: http://www.nsf.gov/awardsearch/showAward?AWD_ID=0939564
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            otherConstraints:  Cite as: Paytan, Adina; Defforey, Delphine (2023). Total molybdate reactive and unreactive phosphorus concentrations from sediment extracts from sediment samples collected during cruises in the Arctic Ocean, California Margin, and Equatorial Pacific from 1992-1998 (NCEI Accession 0278771). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278771. Accessed [date].
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            otherConstraints:  Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
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                title:  Paytan, A., Defforey, D. (2020) Total molybdate reactive and unreactive phosphorus concentrations from sediment extracts from sediment samples collected during cruises in the Arctic Ocean, California Margin, and Equatorial Pacific from 1992-1998. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2020-06-23. https://doi.org/10.26008/1912/bco-dmo.805206.1
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                      Anchor:  http://lod.bco-dmo.org/id/person/50821 Adina Paytan
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/980 University of California - Santa Cruz (UCSC)
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                      Anchor:  http://lod.bco-dmo.org/id/person/50821 Paytan, Adina
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/980 University of California-Santa Cruz
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                      Anchor:  http://lod.bco-dmo.org/id/person/664058 Defforey, Delphine
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/980 University of California-Santa Cruz
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1416 Biological and Chemical Oceanography Data Management Office (BCO-DMO)
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        language:
          LanguageCode:  eng; USA
        characterSet:  (MD_CharacterSetCode) utf8
        topicCategory:  (MD_TopicCategoryCode) environment
        topicCategory:  (MD_TopicCategoryCode) oceans
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -174.967
                eastBoundLongitude:  -125.017
                southBoundLatitude:  -12
                northBoundLatitude:  84.083
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                    beginPosition:  1992-10-30
                    endPosition:  1998-07-24
        supplementalInformation:  Acquisition Description: Locations: Arctic Ocean: P-1-94-AR P21, 84°5' N, 174°58' W California margin: W-2-98-NC TF1, 41°5' N, 125°1' W Equatorial Pacific: TT013-06MC, 12°00' S, 134°56' W Methodology: We used the ignition method to determine total P and molybdate-reactive P concentrations (MRP, which includes primarily free orthophosphate) for each sediment sample used for this study. Samples for total P analyses were ashed in crucibles at 550oC for 2 h and then extracted in 25 mL of 0.5 M sulfuric acid for 16 h. Samples for MRP analyses were extracted in the same manner, without the ashing step (Olsen and Sommers 1982; Cade-Menun and Lavkulich 1997). We derived molybdate-unreactive P concentrations (MUP, which includes primarily organic P and polyphosphates) in supernatants by subtracting MRP from total P concentrations. For ashed and unashed extracts, MRP was determined as described below. Total P concentrations in sediment extracts were measured using inductively coupled plasma optical emission spectroscopy (ICP-OES). Standards were prepared with the same solutions as those used for the extraction procedure in order to minimize matrix effects on P measurements. Sediment extracts and standards (0 μM, 3.2 μM, 32 μM and 320 μM) were diluted to lower salt content to prevent salt buildup on the nebulizer. Concentration data from both wavelengths (213 nm and 214 nm) were averaged to obtain extract concentrations for each sample. The detection limit for P on this instrument for both wavelengths is 0.4 μM. The MRP concentrations were measured on a QuikChem 8000 automated ion analyzer. Standards were prepared with the same solutions used for the extraction step to minimize matrix effects on P measurements. Sediment extracts and standards (0 – 30 μM PO4) were diluted ten-fold to prevent matrix interference with color development. The detection limit for P on this instrument is 0.2 μM. We derived MUP concentrations by subtracting MRP from total P concentrations.
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
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                fees:  In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
                orderingInstructions:  Contact NCEI for other distribution options and instructions.
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                description:  NCEI Accession 0278771 v1.1 was published.
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                  DateTime:  2023-05-26T10:31:33Z
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                        title:  NCEI Accession 0278771 v1.1
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                                    description:  published 2023-05-26T10:31:33Z
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                code:  flow injection analyzer
            type:  flow injection analyzer
            description:  automated chemical analysis instrument 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. https://www.bco-dmo.org/instrument/657 (accessed 2018-01-26) Laboratory instrument that analyzes multiple media for ions. The media include various solids and liquids. Models include: QuikChem 8000 Series FIA System
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                code:  R/V THOMAS G. THOMPSON
            description:  Use this platform for data attributed to R/V Thomas G. Thompson that were collected between July 1991 and present. R/V Thomas G. Thompson (AGOR-23) Owned by US Navy, leased to University of Washington. Active dates: July 1991 (Source: http://www.navsource.org/archives/09/57/5723.htm, last accessed on 20 Dec 2011)
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                code:  USCGC Polar Sea
            description:  Hull Classification: WAGB-11. Commissioned on 27 September 1971 and the current status is active. The POLAR SEA's home page URL is http://www.uscg.mil/pacarea/cgcpolarsea/
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