NOAA/WDS Paleoclimatology - Dune Lake, Alaska 12,000 Year Multiproxy Sediment Data
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language: eng; USA
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electronicMailAddress: ncei.info@noaa.gov
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organisationName: NOAA World Data Service for Paleoclimatology
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city: Boulder
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dateStamp: 2024-02-16
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title: NOAA/WDS Paleoclimatology - Dune Lake, Alaska 12,000 Year Multiproxy Sediment Data
date: (CI_Date)
date: 2012-06-30
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Anchor: DOI doi:10.25921/d0g7-3v22
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code: noaa-lake-13076
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code: NCEI DSI 1200_02
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code: NCEI DSI 1200_01
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individualName: Finney, B.P.
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individualName: Bigelow, N.H.
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individualName: Bigelow, N.H.
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individualName: Barber, V.A.
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individualName: Barber, V.A.
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individualName: Edwards, M.E.
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individualName: Edwards, M.E.
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abstract: 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 Lake. The data include parameters of paleolimnology with a geographic location of Alaska, United States Of America. The time period coverage is from 11326 to -42 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
purpose: Records of past climate and environment derived from lake sediment records. Parameter keywords describe what was measured in this dataset. Additional summary information can be found in the abstracts of papers listed in the dataset citations.
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country: USA
electronicMailAddress: paleo@noaa.gov
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fileName: https://www.ncei.noaa.gov/pub/data/paleo/webimages/pc-default-lake.png
fileDescription: Paleoclimatology - Lake
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keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Ocean/Lake Records
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date: 2020-01-09
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organisationName: NASA Goddard Space Flight Center, Earth Science Data and Information System
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description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology
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keyword: earth science > paleoclimate > paleolimnology
keyword: earth science > paleoclimate > paleolimnology > physical properties
keyword: earth science > paleoclimate > paleolimnology > geochemistry
keyword: earth science > paleoclimate > paleolimnology > carbon isotopes
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name: Global Change Master Directory (GCMD) Keywords
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
function: (CI_OnLineFunctionCode) information
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descriptiveKeywords: (MD_Keywords)
keyword: Arctic
keyword: PAGES Arctic 2k
keyword: carbon cycle
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keyword: What: organic carbon; Material: dry sediment
keyword: What: delta 15N; Material: sediment
keyword: What: organic carbon; Material: sediment
keyword: What: organic matter; Material: sediment
keyword: What: sample identification; Material: null
keyword: What: water content; Material: sediment
keyword: What: delta 13C; Material: sediment
keyword: What: organic matter; Material: sediment
keyword: What: depth at sample end; Material: null
keyword: What: biogenic silica; Material: sediment
keyword: What: age; Material: null
keyword: What: accumulation rate; Material: dry sediment
keyword: What: biogenic silica; Material: sediment
keyword: What: depth at sample start; Material: null
keyword: What: age; Material: null
keyword: What: nitrogen; Material: dry sediment
keyword: What: density; Material: dry sediment
keyword: What: volume magnetic susceptibility; Material: sediment
keyword: What: volume magnetic susceptibility; Material: sediment
keyword: What: depth; Material: null
keyword: What: mass; Material: dry sediment
keyword: What: biogenic silica; Material: ostracod
keyword: What: delta 13C; Material: sediment
keyword: What: carbon/nitrogen; Material: sediment
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title: Paleoenvironmental Standard Terms (PaST) Thesaurus
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descriptiveKeywords: (MD_Keywords)
keyword: Continent > North America > United States Of America > Alaska > Dune Lake AK > LATITUDE 64.42 > LONGITUDE -149.9
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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name: Global Change Master Directory (GCMD) Keywords
description: The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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otherConstraints: Cite as: Finney, B.P.; Bigelow, N.H.; Barber, V.A.; Edwards, M.E. (2012-06-30): NOAA/WDS Paleoclimatology - Dune Lake, Alaska 12,000 Year Multiproxy Sediment Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/d0g7-3v22. Accessed [date].
resourceConstraints: Distribution Liability (MD_LegalConstraints)
accessConstraints: (MD_RestrictionCode) otherRestrictions
otherConstraints: 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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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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otherConstraints: 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.
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title: Holocene climate change and carbon cycling in a groundwater-fed, boreal forest lake: Dune Lake, Alaska
date: (CI_Date)
date: 2012
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individualName: Finney, B.P., N.H. Bigelow, V.A. Barber, and M.E. Edwards
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organisationName: Journal of Paleolimnology
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linkage: https://doi.org/10.1007/s10933-012-9617-2
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description: Finney, B.P., N.H. Bigelow, V.A. Barber, and M.E. Edwards, 2012: Holocene climate change and carbon cycling in a groundwater-fed, boreal forest lake: Dune Lake, Alaska. Journal of Paleolimnology, 48, 43-54, 10.1007/s10933-012-9617-2
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language: eng; USA
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extent: (EX_Extent)
description: Date Range: 11326 cal yr BP to -42 cal yr BP;
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westBoundLongitude: -149.9
eastBoundLongitude: -149.9
southBoundLatitude: 64.42
northBoundLatitude: 64.42
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description: Study Coordinates
pos: 64.42 -149.9
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beginPosition: -9376
endPosition: 1992
supplementalInformation: STUDY NOTES: Multiproxy sediment data from Dune Lake, Alaska, for the past 12,000 years. Dune Lake is a shallow, closed basin, groundwater-fed lake located in the boreal forest of central Alaska. Paleoenvironmental proxies measured include Opal, organic C and N contents, and organic d13C and d15N stable isotopes. ABSTRACT SUPPLIED BY ORIGINATOR: Opal, organic C and N contents, and organic d13C and d15N stable isotopes were analyzed on a sedimentary sequence spanning the past ~12,000 years from Dune Lake, a shallow groundwater-fed lake in the boreal forest region of central interior Alaska. The chronology, based on 210Pb and 15 AMS radiocarbon dates on terrestrial materials, indicates that 5 m of biogenic sediment accumulated following dune stabilization at ~10,000 cal yr BP. Previous studies on lake level and pollen were synthesized with these data to assess Holocene changes in hydrogeology and climate. Variability in groundwater level and flux has a strong control on lake level and are negatively correlated with the d13C of organic matter produced within the lake. This relationship results from the input of groundwater with high pCO2 and with dissolved inorganic carbon depleted in 13C, which subsequently affects lake phytoplankton d13C signatures. A rapid rise in lake level between ca. 11,000 and 9,500 cal yr BP coincided with stabilization of the dune field adjacent to the lake and expansion of vegetation around the lake, including white spruce. Organic d13C values are relatively low and constant between about 10,000 and 6,000 cal yr BP, and then steadily increase until about 2,000 cal yr BP, suggesting a pattern of high followed by dropping lake levels generally consistent with results from core-transect studies. Higher-frequency fluctuations of 2–3 ‰ in d13C are common, and suggest variability in aspects of the lake-carbon cycle over multi-decadal timescales. Recent trends in groundwater and lake level, river discharge, and precipitation suggest an important role for wintertime precipitation in the regional groundwater system. The unusual hydrology of this system relative to most other lakes studied for paleoclimate in this region provides a novel insight into different seasonal aspects of Alaskan paleoclimatology. The record is consistent with a general long-term decrease in wintertime precipitation, possibly accompanied by an increase in permafrost extent, over the Holocene.
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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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maintenanceNote: This ISO metadata record was translated from DIF metadata using dif-9x-to-iso-19115-2.xsl Version: 2022-06-21
