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Dissolved organic carbon (DOC) from US GEOTRACES North Atlantic Transect cruise on the R/V Knorr KN199-04 in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project) (NCEI Accession 0278628)

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This dataset contains chemical data collected on R/V Knorr during cruise KN199-04 in the North Atlantic Ocean from 2010-10-16 to 2010-11-02. These data include depth, dissolved organic Carbon, and dissolved organic Carbon standard deviation. The instruments used to collect these data include Niskin bottle, Pump surface, and Total Organic Carbon Analyzer. These data were collected by Charles McClain and Joaquin Chaves of National Aeronautics and Space Administration as part of the "U.S. GEOTRACES North Atlantic Transect (U.S. GEOTRACES NAT)" project and "U.S. GEOTRACES (U.S. GEOTRACES)" program. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-05-01.

The following is the text of the dataset description provided by BCO-DMO:

Dissolved organic carbon (DOC) data from the GT10 cruise KN199-04

Dataset Description:
Dissolved organic carbon (DOC) on samples were collected during Geotraces 2010 (KN199-04).

The following metadata was extracted from the original file header:

/begin_header
/investigators=Joaquin_Chaves Charles_McClain
/affiliations=NASA
/contact=joaquin.chaves@nasa.gov
/experiment=GEOTRACES
/cruise=kn199-04
/station=NA
/data_file_name=kn199-04_DOC_BCODMO.csv
/documents=DOC_protocols.pdf
/calibration_files=kn199-04_DOC_run.pdf
/data_type=bottle
/data_status=final
/start_date=20101016
/end_date=20101103
/start_time=15:10:00[GMT]
/end_time=00:19:00[GMT]
/north_latitude=38.3307[DEG]
/south_latitude=17.3497[DEG]
/east_longitude=-9.66[DEG]
/west_longitude=-24.4998[DEG]
/water_depth=-999
/measurement_depth=-999
/secchi_depth=-999
/wind_speed=-999
/cloud_percent=-999
/wave_height=-999 !
! The field "replicates" indicates how many replicate samples were
! averaged to produce the reported value
-----
Note : The following header line was incorrect and subsequently corrected by BCO-DMO
! sample_no==-999 were collected with NASA's surface peristaltic pump
----
! quality = 1 good; 2 = medium; 3 = suspect
!
/missing=-999
/delimiter=comma

Dataset Citation

Cite as: Chaves, Joaquin; McClain, Charles (2023). Dissolved organic carbon (DOC) from US GEOTRACES North Atlantic Transect cruise on the R/V Knorr KN199-04 in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project) (NCEI Accession 0278628). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278628. Accessed [date].

Dataset Identifiers

ISO 19115-2 Metadata

gov.noaa.nodc:0278628

Full Text · XML

Download Data	HTTPS (download) Navigate directly to the URL for data access and direct download. FTP (download) These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).
Distribution Formats	TSV
Ordering Instructions	Contact NCEI for other distribution options and instructions.
Distributor	NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov
Dataset Point of Contact	NOAA National Centers for Environmental Information ncei.info@noaa.gov

Time Period	2010-10-16 to 2010-11-02
Spatial Bounding Box Coordinates	West: -24.5 East: -9.66 South: 17.35 North: 38.331
Spatial Coverage Map

General Documentation

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Descriptive Information
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Associated Resources

Biological, chemical, physical, biogeochemical, ecological, environmental and other data collected from around the world during historical and contemporary periods of biological and chemical oceanographic exploration and research managed and submitted by the Biological and Chemical Oceanography Data Management Office (BCO-DMO)
- NCEI Collection
  Navigate directly to the URL for data access and direct download.
Chaves, J., McClain, C. (2013) Dissolved organic carbon (DOC) from US GEOTRACES North Atlantic Transect cruise on the R/V Knorr KN199-04 in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project). Dataset version 2013-01-14. https://doi.org/10.26008/1912/bco-dmo.3855.1
- https://doi.org/10.26008/1912/bco-dmo.3855.1 (download)
  originator dataset

gov.noaa.nodc:BCO-DMO

Publication Dates	publication: 2023-05-22
Data Presentation Form	Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status	Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility
Data Update Frequency	As needed
Supplemental Information	Acquisition Description: Methods for the Collection and Measurement of Dissolved Organic Carbon (DOC): Seawater samples for analysis of dissolved organic carbon (DOC) and chromophoric dissolved organic matter (CDOM) absorption are filtered under a gentle vacuum (<5 in Hg) through pre-combusted (6 hours at 450°C) Whatman GF/F glass fiber filters and collected directly into pre-cleaned and pre-combusted sample glass bottles and vials. Duplicate samples at the surface and single samples at depth are collected for DOC analysis and stored frozen at -20°C. Samples are measured by high temperature combustion oxidation (HTCO) on a Shimadzu TOC-L carbon analyzer. Mean of replicate runs for individual samples must maintain a standard deviation <2% for a minimum of 3 of 7 injections (Benner and Strom 1993; Sharp et al. 2002; Mannino et al. 2008). Accuracy of analyses is monitored by running DOC consensus reference material standards (CRM; Hansell Laboratory, University of Miami RSMAS); CRM measurements must maintain an analytical error to within ±5% of the consensus values. Standard curves of the manufacturer-recommended carbon standard, potassium hydrogen phthalate (KHP), ranging from ~500 to 4000 μg C L-1 and from ~500 to 2000 μg C L-1 are conducted daily. KHP check standards are interspersed between every 6 samples for each sample batch to verify the consistency of the standard curve throughout each sample batch analyzed. To minimize salt accumulation in the instrument flow path, Milli-Q water blanks are inserted between every 3 samples for each batch of samples. Injection volumes for seawater samples, standards and blanks are typically 120μL.
Purpose	This dataset is available to the public for a wide variety of uses including scientific research and analysis.
Use Limitations	accessLevel: Public Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.

Dataset Citation	Cite as: Chaves, Joaquin; McClain, Charles (2023). Dissolved organic carbon (DOC) from US GEOTRACES North Atlantic Transect cruise on the R/V Knorr KN199-04 in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project) (NCEI Accession 0278628). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278628. Accessed [date].
Cited Authors	Chaves, Joaquin National Aeronautics and Space Administration McClain, Charles National Aeronautics and Space Administration
Principal Investigators	Joaquin Chaves US National Aeronautic and Space Administration (NASA) Charles McClain US National Aeronautic and Space Administration (NASA)
Contributors	US National Aeronautic and Space Administration (NASA)
Resource Providers	Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Points of Contact	Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Publishers	NOAA National Centers for Environmental Information
Acknowledgments	Funding provided by National Aeronautics & Space Administration (NASA) Award Number: NNX09AN94G

Theme keywords	NODC DATA TYPES THESAURUS DEPTH - OBSERVATION DISSOLVED ORGANIC CARBON NODC OBSERVATION TYPES THESAURUS chemical WMO_CategoryCode oceanography BCO-DMO Standard Parameters ISO_DateTime_UTC bottle cast cruise id date_gmt depth dissolved organic Carbon dissolved organic Carbon standard deviation event latitude longitude quality flag replicate sample identification station time_gmt yrday_gmt Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON Originator Parameter Names BTL_ISO_DateTime_UTC DOC DOC_qf DOC_sd bottle_GEOTRC cast_GEOTRC cruise_id date_gmt depth depth_GEOTRC_CTD event_GEOTRC lat lon replicate sample_GEOTRC sample_bottle_GEOTRC station_GEOTRC time_gmt yrday_gmt
Data Center keywords	NODC COLLECTING INSTITUTION NAMES THESAURUS US National Aeronautic and Space Administration NODC SUBMITTING INSTITUTION NAMES THESAURUS Biological and Chemical Oceanography Data Management Office Global Change Master Directory (GCMD) Data Center Keywords BCO-DMO > Biological and Chemical Oceanography Data Management Office
Platform keywords	NODC PLATFORM NAMES THESAURUS R/V Knorr BCO-DMO Platform Names R/V Knorr Global Change Master Directory (GCMD) Platform Keywords Ships ICES/SeaDataNet Ship Codes KNORR (call sign: KCEJ, ICES code: 316N, 1970)
Instrument keywords	NODC INSTRUMENT TYPES THESAURUS Niskin bottle Total Organic Carbon (TOC) analyzer BCO-DMO Standard Instruments Niskin bottle Pump surface Total Organic Carbon Analyzer Global Change Master Directory (GCMD) Instrument Keywords NISKIN BOTTLES TOC > Total Organic Carbon Analyzer Originator Instrument Names Niskin bottle Pump surface Total Organic Carbon Analyzer
Place keywords	NODC SEA AREA NAMES THESAURUS North Atlantic Ocean Global Change Master Directory (GCMD) Location Keywords OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN Provider Place Names Subtropical northern Atlantic Ocean
Project keywords	NODC PROJECT NAMES THESAURUS GEOTRACES BCO-DMO Standard Programs U.S. GEOTRACES (U.S. GEOTRACES) BCO-DMO Standard Projects U.S. GEOTRACES North Atlantic Transect (U.S. GEOTRACES NAT) Global Change Master Directory (GCMD) Project Keywords IPY-GEOTRACES > International Polar Year GEOTRACES: An international study of the biogeochemical cycles of Trace Elements and Isotopes in the Arctic and Southern Oceans Provider Cruise IDs KN199-04 Provider Funding Award Information Funding provided by National Aeronautics & Space Administration (NASA) Award Number: NNX09AN94G
Keywords	NCEI ACCESSION NUMBER 0278628

Use Constraints	Cite as: Chaves, Joaquin; McClain, Charles (2023). Dissolved organic carbon (DOC) from US GEOTRACES North Atlantic Transect cruise on the R/V Knorr KN199-04 in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project) (NCEI Accession 0278628). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278628. Accessed [date].
Data License	This dataset is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) License. SPDX License: Creative Commons Attribution 4.0 International (CC-BY-4.0)
Access Constraints	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.
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.

Lineage information for: dataset
Processing Steps	2023-05-22T05:00:29Z - NCEI Accession 0278628 v1.1 was published.
Output Datasets	NCEI Accession 0278628 v1.1 NCEI Accession 0278628 v1.1 (download) published 2023-05-22T05:00:29Z

Acquisition Information (collection)
Instrument	Niskin bottle Total Organic Carbon (TOC) analyzer
Platform	R/V Knorr

Last Modified: 2024-03-08T13:14:06Z
For questions about the information on this page, please email: ncei.info@noaa.gov

Dissolved organic carbon (DOC) from US GEOTRACES North Atlantic Transect cruise on the R/V Knorr KN199-04 in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project) (NCEI Accession 0278628)

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