Skip to main content
Skip to site search

NOAA/WDS Paleoclimatology - Norwegian Sea Foraminiferal Amino Acid Racemisation Data

browse graphicPaleoclimatology - Other Collections
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Other Collections. The data include parameters of others with a geographic location of Norwegian Sea, North Atlantic Ocean. The time period coverage is from 160000 to 0 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
  • Cite as: Wheeler, L.J.; Penkman, K.E.H.; Sejrup, H.P. (2020-11-19): NOAA/WDS Paleoclimatology - Norwegian Sea Foraminiferal Amino Acid Racemisation Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/ge27-6959. Accessed [date].
  • Please refer to Credit tab for full citation information.
noaa-other-31836
XML
Search Data
Download Data
Distribution Formats
  • Native Format(s)
Ordering InstructionsContact NCEI for other distribution options and instructions.
DistributorNOAA National Centers for Environmental Information
ncei.info@noaa.gov
Dataset Point of Contact NOAA National Centers for Environmental Information
ncei.info@noaa.gov
Dataset Point of Contact Data Center Contact
NOAA World Data Service for Paleoclimatology
828-271-4800
paleo@noaa.gov
Coverage DescriptionDate Range: 160000 cal yr BP to 0 cal yr BP;
Time Period-158050 to 1950
Spatial Bounding Box Coordinates
N: 64.65
S: 64.65
E: 4.2
W: 4.2
Spatial Coverage Map
General Documentation
Associated Resources
  • Assessing the intra-crystalline approach to amino acid geochronology of Neogloboquadrina pachyderma (sinistral)
    • Associated Reference published 2021
      Lucy J. Wheeler, Kirsty E.H. Penkman, Hans Petter Sejrup, 2021: Assessing the intra-crystalline approach to amino acid geochronology of Neogloboquadrina pachyderma (sinistral). Quaternary Geochronology, 61, , 10.1016/j.quageo.2020.101131
Publication Dates
  • publication: 2020-11-19
Data Presentation Form Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress StatusComplete - production of the data has been completed
Data Update Frequency Data update frequency not available
Supplemental Information
STUDY NOTES: Amino acid racemization (AAR) data on Neogloboquadrina pachyderma (sinistral) from Norwegian Sea IMAGES core MD99-2288/2289
ABSTRACT SUPPLIED BY ORIGINATOR: While amino acid (AA) geochronology has been widely applied to foraminiferal biomineral proteins, there has been limited assessment of the potential of isolating an 'intra-crystalline' fraction of proteins to improve the reliability of AA geochronology for foraminifera. In this study, bleaching experiments were carried out on the foraminifer Neogloboquadrina pachyderma (sinistral) from an independently dated core from the south eastern Norwegian Sea spanning the last 120 ka. Results show that this species contains a bleach-resistant fraction of biomineral proteins, and that this intra-crystalline fraction may behave as a closed system. Racemisation in both the intra-crystalline and whole-protein fractions was found to systematically increase with time. Isoleucine epimerisation showed reliable trends with depth when analysed by ion exchange chromatography (IEC); analysis by reverse-phase liquid chromatography (RP-HPLC) resulted in reliable age-D/L relationships for aspartic acid, glutamic acid and alanine. Isolating the intra-crystalline fraction with a 48 h bleach treatment reduced the influence of contamination in younger material. Therefore, this paper recommends that the intra-crystalline approach is used when analysing Neogloboquadrina pachyderma (sinistral) for AA geochronology, especially for younger samples. Material-specific regression equations developed in this study successfully convert IEC A/I to RP-HPLC D/L values for aspartic acid, glutamic acid and alanine, enabling integration of geochronologies developed using different methods for this class of biomineral.
PurposeData of past climate and environment derived from unusual proxy evidence. Parameter keywords describe what was measured in this data set. Additional summary information can be found in the abstracts of papers listed in the data set citations.
Dataset Citation
  • Cite as: Wheeler, L.J.; Penkman, K.E.H.; Sejrup, H.P. (2020-11-19): NOAA/WDS Paleoclimatology - Norwegian Sea Foraminiferal Amino Acid Racemisation Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/ge27-6959. Accessed [date].
  • Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.
Cited Authors
  • Wheeler, L.J.
  • Penkman, K.E.H.
  • Sejrup, H.P.
Originators
  • Wheeler, L.J.
  • Penkman, K.E.H.
  • Sejrup, H.P.
Publishers
  • NOAA National Centers for Environmental Information
Theme keywordsGlobal Change Master Directory (GCMD) Science Keywords
  • Earth Science > Climate Indicators > Paleoclimate Indicators > Paleoclimate Reconstructions
Global Change Master Directory (GCMD) Science Keywords
  • earth science > paleoclimate > others
Data Center keywordsGlobal Change Master Directory (GCMD) Data Center Keywords
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
Place keywords
  • Ocean > Atlantic Ocean > North Atlantic Ocean > Norwegian Sea > MD99-2288/2289 > LATITUDE 64.65 > LONGITUDE 4.2
Use Constraints
  • Cite as: Wheeler, L.J.; Penkman, K.E.H.; Sejrup, H.P. (2020-11-19): NOAA/WDS Paleoclimatology - Norwegian Sea Foraminiferal Amino Acid Racemisation Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/ge27-6959. Accessed [date].
  • 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.
  • Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.
Access Constraints
  • 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.
  • None
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.
Last Modified: 2022-02-22
For questions about the information on this page, please email: ncei.info@noaa.gov