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NOAA/WDS Paleoclimatology - Fennoscandia 7500Yr Pollen-TreeRing July Temperature Reconstructions


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        organisationName:  NOAA World Data Service for Paleoclimatology
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  NOAA/WDS Paleoclimatology - Fennoscandia 7500Yr Pollen-TreeRing July Temperature Reconstructions
            date:  (CI_Date)
                date:  2012-06-30
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                  Anchor:  DOI doi:10.25921/e3j5-sv40
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                code:  noaa-lake-13119
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                code:  NCEI DSI 1200_02
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                code:  NCEI DSI 1200_01
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                individualName:  Helama, S.
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                individualName:  Helama, S.
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                individualName:  Seppä, H.T.
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                individualName:  Seppä, H.T.
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                individualName:  Bjune, A.E.
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                individualName:  Bjune, A.E.
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                individualName:  Birks, H.J.B.
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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 climate reconstructions|pollen|tree ring with a geographic location of Scandanavia, Northern Europe. The time period coverage is from 7450 to -55 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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                    city:  Boulder
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        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Climate Indicators > Paleoclimate Indicators > Ocean/Lake Records
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            keyword:  earth science > paleoclimate > climate reconstructions|pollen|tree ring
            keyword:  earth science > paleoclimate > climate reconstructions|pollen|tree ring
            keyword:  earth science > paleoclimate > climate reconstructions|tree ring
            keyword:  earth science > paleoclimate > climate reconstructions|tree ring
            keyword:  earth science > paleoclimate > paleolimnology > reconstruction
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            keyword:  Air Temperature Reconstruction
            keyword:  PAGES 2k Network
            keyword:  PAGES Arctic 2k
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            keyword:  What: age; Material: null
            keyword:  What: temperature; Material: null
            keyword:  What: temperature; Material: null
            keyword:  What: age; Material: null
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            keyword:  Continent > Europe > Northern Europe > Scandanavia > Fennoscandia > LATITUDE > LONGITUDE
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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: Helama, S.; Seppä, H.T.; Bjune, A.E.; Birks, H.J.B. (2012-06-30): NOAA/WDS Paleoclimatology - Fennoscandia 7500Yr Pollen-TreeRing July Temperature Reconstructions. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/e3j5-sv40. 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.
        resourceConstraints:  Use Liability (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            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:  None
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            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.
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  Fusing pollen-stratigraphic and dendroclimatic proxy data to reconstruct summer temperature variability during the past 7.5 ka in subarctic Fennoscandia
                date:  (CI_Date)
                    date:  2012
                    dateType:  (CI_DateTypeCode) publication
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                    individualName:  Helama, S., H. Seppä, A.E. Bjune, and H.J.B. Birks
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                    organisationName:  Journal of Paleolimnology
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                    organisationName: (missing)
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                            linkage: https://doi.org/10.1007/s10933-012-9598-1
                            protocol:  HTTPS
                            applicationProfile:  Web Browser
                            name:  Associated Reference published 2012
                            description:  Helama, S., H. Seppä, A.E. Bjune, and H.J.B. Birks, 2012: Fusing pollen-stratigraphic and dendroclimatic proxy data to reconstruct summer temperature variability during the past 7.5 ka in subarctic Fennoscandia. Journal of Paleolimnology, 48, 275-286, 10.1007/s10933-012-9598-1
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        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        extent:  (EX_Extent)
            description:  Date Range: -5500 CE to 2005 CE; Date Range: 7450 cal yr BP to -55 cal yr BP;
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  14.05
                eastBoundLongitude:  35.32
                southBoundLatitude:  66.42
                northBoundLatitude:  70.83
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  -5500
                    endPosition:  2005
        supplementalInformation:  STUDY NOTES: Pollen data and temperature reconstructions from 11 lakes in northern Fennoscandia, plus July pollen/tree-ring temperature reconstruction for the past 7500 years. Northern Fennoscandia: ~66°-70°N, ~14°-35°E ABSTRACT SUPPLIED BY ORIGINATOR: A new palaeoclimatic reconstruction of mid-summer (July) temperatures for the last 7.5 ka in northern Fennoscandia is presented. It is based on two botanical proxies: spectra of fossil pollen and tree rings of Scots pine logs recovered from lacustrine sediments in the Arctic tree-line region. A newly developed method of proxy fusion is used to integrate the proxy-specific reconstructions of past summer temperature variability based on the pollen-stratigraphic and dendroclimatic data. The rationale behind the method is that the two proxies are likely to be connected to climate variability in a timescale-dependent fashion and, accordingly, the new reconstruction makes use of the low- and high-frequencies from pollen-stratigraphic and tree-ring data, respectively. The most prominent features of the new reconstruction are: (1) the long-term decline of temperatures by 2.0°C over the past 7.5 ka, (2) the mid-Holocene warmth culminating between 5 and 4 ka as a deviation from the cooling trend, (3) the Little Ice Age cool phase between 0.7 and 0.1 ka, and (4) the subsequent warming during the past century. These periods are superimposed on year-to-year variations in climate as dated to calendar-year accuracy by dendrochronology. Within the modern period, the years 1934 and 1937 are among the warmest, and the years 1903 and 1910 are among the coldest summers in the context of the past 7.5 ka. On average, the reconstructed Holocene climate was approximately 0.85°C warmer than the twentieth century.
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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