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2024-03-08T13:16:58Z
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
An Internally Consistent Dataset of Del13C-DIC Data in the North Atlantic Ocean (NCEI Accession 0164569)
2017-08-04
publication
International DOI Foundation (IDF)
10.3334/cdiac/otg.nac13v1
NOAA National Centers for Environmental Information
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NCEI Archive Management System
0164569
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Meike Becker
GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR)
mbecker@geomar.de
http://www.geomar.de/
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GEOMAR Helmholtz Centre for Ocean Research Kiel website
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GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR)
http://www.geomar.de/
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GEOMAR Helmholtz Centre for Ocean Research Kiel website
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Becker, Meike
GEOMAR Helmholtz Centre for Ocean Research Kiel
mbecker@geomar.de
http://www.geomar.de/
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author
Andersen, Nils
author
Erlenkeuser, Helmut
author
Tanhua, Toste
GEOMAR Helmholtz Centre for Ocean Research Kiel
ttanhua@ifm-geomar.de
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author
Humphreys, Matthew P.
author
Körtzinger, Arne
GEOMAR Helmholtz Centre for Ocean Research Kiel
akoertzinger@geomar.de
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GEOMAR Helmholtz Centre for Ocean Research Kiel (GEOMAR)
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This dataset is a Del13C-DIC dataset for the North Atlantic, which has undergone strict quality control. The data, all in all 6569 samples, originate from oceanographic research cruises that took place between 1981 and 2014. During a primary quality control step based on simple range tests obviously bad data has been flagged. In a second quality control step systematic biases between of all cruises were quantified through a crossover analysis. The dataset consists of 32 cruises of which 24 could be compared quantitatively for systematic biases through an adequate crossover study. Additive adjustments were applied to 11 of the 24 cruises. Based on this analysis the internal consistency of this dataset is estimated to be 0.017 o/oo.
The NAC13v1.csv file contains the 13C data, a simple quality flag ('Del13Cf', 2: good, 9: bad/not measured) and a 2nd QC-flag ('Del13Cqc', 1: quality controlled, 0: not quality controlled). The NAC13v1_expocode.csv-File contains the allocation of the cruise numbers used in NAC13v1 and their EXPOCODEs as well as the respective cruise numbers in GLODAPv2 and CARINA. For this analysis some cruises that belong together were condensed to one, e.g., the TTO-NA cruises.
This dataset is available to the public for a wide variety of uses including scientific research and analysis.
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0164569
NCEI ACCESSION NUMBER
2017-07-31
publication
DELTA CARBON-13
SALINITY
WATER TEMPERATURE
theme
NODC DATA TYPES THESAURUS
carbon dioxide (CO2) gas analyzer
titrator
instrument
NODC INSTRUMENT TYPES THESAURUS
chemical
discrete sample
physical
theme
NODC OBSERVATION TYPES THESAURUS
GEOMAR Helmholtz Centre for Ocean Research Kiel
dataCentre
NODC COLLECTING INSTITUTION NAMES THESAURUS
GEOMAR Helmholtz Centre for Ocean Research Kiel
dataCentre
NODC SUBMITTING INSTITUTION NAMES THESAURUS
North Atlantic Ocean
South Atlantic Ocean
place
NODC SEA AREA NAMES THESAURUS
oceanography
theme
WMO_CategoryCode
2012-09-15
publication
DE/GEOMAR > GEOMAR - Helmholtz Centre for Ocean Research Kiel, Germany
dataCentre
Global Change Master Directory (GCMD) Data Center Keywords
2023
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17
Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)
Greenbelt
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Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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custodian
Ocean Carbon Data System (OCADS) Project
project
Ocean Acidification Search Keywords
EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY
EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE
EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY
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Global Change Master Directory (GCMD) Science Keywords
2023
revision
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Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)
Greenbelt
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GCMD Keyword Forum Page
Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
information
custodian
An Internally Consistent Dataset of δ13C-DIC Data in the North Atlantic Ocean
NAC13v1
NDP-096
δ13C-DIC Data
theme
Originator Keywords
CO2 ANALYZERS > CO2 ANALYZERS
instrument
Global Change Master Directory (GCMD) Instrument Keywords
2023
revision
17
Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)
Greenbelt
MD
https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
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GCMD Keyword Forum Page
Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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custodian
OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN
OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN
place
Global Change Master Directory (GCMD) Location Keywords
2023
revision
17
Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)
Greenbelt
MD
https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
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GCMD Keyword Forum Page
Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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accessLevel: Public
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Cite as: Becker, Meike; Andersen, Nils; Erlenkeuser, Helmut; Tanhua, Toste; Humphreys, Matthew P.; Körtzinger, Arne (2017). An Internally Consistent Dataset of Del13C-DIC Data in the North Atlantic Ocean (NCEI Accession 0164569). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.3334/cdiac/otg.nac13v1. Accessed [date].
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.
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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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environment
oceans
-80
11
-47
80
1981-01-01
2014-12-12
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https://doi.org/10.3334/cdiac/otg.nac13v1
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NCEI Accession 0164569 v1.1 was published.
2017-08-04T23:07:11Z
NCEI Accession 0164569 v1.1
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NCEI Accession 0164569 v1.1
published 2017-08-04T23:07:11Z
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carbon dioxide (CO2) gas analyzer
carbon dioxide (CO2) gas analyzer
measures gaseous carbon dioxide
Carbon dioxide gas analyzer has often been referred to as LI-COR, because a lot of researchers choose to use products manufactured by LI-COR incorporation for their carbon dioxide measurement. The main component of a carbon dioxide analyzer is a nondispersive infrared (NDIR) spectroscopic sensors to detect CO2 in a gaseous environment by its characteristic absorption.
Carbon dioxide (CO2) gas analyzer works together with carbon dioxide (CO2) equilibrator (insttypes_id 184) to measure carbon dioxide in the water.
To measure water carbon dioxide, water needs to be continuously supplied to a showerhead inside an equilibrator. As the water flows through the equilibrator chamber, dissolved carbon dioxide exchanges quickly with air in the headspace. This air is then sampled by the carbon dioxide analyzer to determine the mole fraction of CO2 in water.
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