noaa-insect-12443 eng; USA utf8 dataset Bauer, Bruce DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 303-497-6280 +1 303-497-6513 325 Broadway, E/CC23 Boulder CO 80305-3328 USA paleo@noaa.gov pointOfContact 2018-12-11 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) NOAA/WDS Paleoclimatology - Alaska Holocene Midge Data and July Temperature Reconstructions 2012-02-04 publication noaa-insect-12443 NCEI DSI 1200_01 Clegg, B.F. originator Clegg, B.F. author Kelly, R.F. originator Kelly, R.F. author Clarke, G.H. originator Clarke, G.H. author Walker, I.R. originator Walker, I.R. author Hu, F.S. originator Hu, F.S. author NOAA National Centers for Environmental Information publisher tableDigital 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 Insect. The data include parameters of climate reconstructions|insect|paleolimnology with a geographic location of Alaska, United States Of America. The time period coverage is from 13506 to -54 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data. Records of past temperature and environment derived from beetle and other insect fossils. 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. completed Bauer, Bruce DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 303-497-6280 +1 303-497-6513 325 Broadway, E/CC23 Boulder CO 80305-3328 USA paleo@noaa.gov pointOfContact https://www.ncdc.noaa.gov/c/images/pc-default-insect.png Paleoclimatology - Insect PNG Earth Science > Climate Indicators > Paleoclimate Indicators > Paleoclimate Reconstructions Earth Science > Paleoclimate > Paleoclimate Reconstructions theme Global Change Master Directory (GCMD) Science Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords 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. information publisher earth science > paleoclimate > climate reconstructions|insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > climate reconstructions|insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > climate reconstructions|insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > climate reconstructions|insect|paleolimnology earth science > paleoclimate > climate reconstructions|insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insect|paleolimnology earth science > paleoclimate > insecta > population abundance theme Global Change Master Directory (GCMD) Science Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords 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. information publisher Air Temperature Reconstruction Arctic Oscillation (AO) Milankovitch theme Continent > North America > United States Of America > Alaska> Hudson Lake Alaska > LATITUDE 61.9 > LONGITUDE -145.6833 Continent > North America > United States Of America > Alaska> Screaming Lynx Lake > LATITUDE 66.0667 > LONGITUDE -145.4 Continent > North America > United States Of America > Alaska> Rainbow Lake Alaska > LATITUDE 60.7167 > LONGITUDE -150.8 place otherRestrictions Cite as: Clegg, B.F.; Kelly, R.F.; Clarke, G.H.; Walker, I.R.; Hu, F.S. (2012-02-04): NOAA/WDS Paleoclimatology - Alaska Holocene Midge Data and July Temperature Reconstructions . [indicate subset used]. NOAA National Centers for Environmental Information. https://www.ncdc.noaa.gov/paleo/study/12443. Accessed [date]. otherRestrictions 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. otherRestrictions 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. otherRestrictions None otherRestrictions 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. eng; USA geoscientificInformation Date Range: 13506 cal yr BP to -54 cal yr BP; -150.8 -145.4 60.7167 66.0667 -11556 2004 STUDY NOTES: Holocene midge data and midge-inferred july temperatures from 3 lakes in Alaska, USA. Chironomid data are expressed as raw headcapsule counts. Taxonomy follows Barley et al. (2006). ABSTRACT SUPPLIED BY ORIGINATOR: Regional climate responses to large-scale forcings, such as precessional changes in solar irradiation and increases in anthropogenic greenhouse gases, may be nonlinear as a result of complex interactions among earth system components. Such nonlinear behaviors constitute a major source of climate "surprises" with important socioeconomic and ecological implications. Paleorecords are key for elucidating patterns and mechanisms of nonlinear responses to radiative forcing, but their utility has been greatly limited by the paucity of quantitative temperature reconstructions. Here we present Holocene July temperature reconstructions on the basis of midge analysis of sediment cores from three Alaskan lakes. Results show that summer temperatures during 10,000-5,500 calibrated years (cal) B.P. were generally lower than modern and that peak summer temperatures around 5,000 were followed by a decreasing trend toward the present. These patterns stand in stark contrast with the trend of precessional insolation, which decreased by ~10% from 10,000 y ago to the present. Cool summers before 5,500 cal B.P. coincided with extensive summer ice cover in the western Arctic Ocean, persistence of a positive phase of the Arctic Oscillation, predominantly La Niña-like conditions, and variation in the position of the Alaskan treeline. These results illustrate nonlinear responses of summer temperatures to Holocene insolation radiative forcing in the Alaskan sub-Arctic, possibly because of state changes in the Arctic Oscillation and El Niño-Southern Oscillation and associated land-atmosphere-ocean feedbacks. DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Customer Engagement Branch 1-828-271-4800 1-828-271-4876 151 Patton Avenue Veach-Baley Federal Building, Room 468 Asheville NC 28801-5001 USA ncei.orders@noaa.gov https://www.ncei.noaa.gov HTTPS Web Browser NOAA National Centers for Environmental Information (NCEI) NCEI home page with information, data access and contact information. information 8:00 - 6:00 Eastern distributor In most cases, electronic downloads of the data are free, however fees may apply for data certifications, copies of analog materials, and data distribution on physical media. Native Format(s) https://data.nodc.noaa.gov/cgi-bin/iso?id=noaa-insect-12443 HTTPS Landing Page NCEI landing page for this dataset Dataset landing page with general information and links to access the data. information https://www.ncdc.noaa.gov/paleo/study/12443 HTTPS Web Browser NCEI Study Page Study page with dataset access information. search https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/insect HTTPS Information NCEI Insect Page General information for this data type. information https://www1.ncdc.noaa.gov/pub/data/paleo/insecta/chironomidae/northamerica/usa/alaska/alaska2011midge-t.txt HTTP Download NCEI Direct Download Direct download links for dataset files. download https://www1.ncdc.noaa.gov/pub/data/paleo/insecta/chironomidae/northamerica/usa/alaska/alaska2011midge-t.xls HTTP Download NCEI Direct Download Direct download links for dataset files. download asNeeded This metadata record was translated from DIF using dif-9x-to-iso-19115-2.xsl Version: 2018-10-25