{"action":"create","ckan_id":null,"date_created":"Wed, 23 Jul 2025 03:25:27 GMT","date_finished":null,"harvest_job_id":"527daac2-533c-4e2c-bc94-523b955975d9","harvest_source_id":"c9b25d3a-f997-484c-92d5-c9348dca1f2f","id":"8e434d02-99b5-453b-8e17-0f96b070a2e4","identifier":"https://data.noaa.gov/waf/NOAA/NESDIS/ncei/paleo/iso/xml/noaa-lake-33552.xml","parent_identifier":null,"source_hash":"d93c5b11fa7f0c9aac61a097dcfbc4e034011f3c46778542fa32cbb66b91a9ea","source_raw":"\r\n \r\n noaa-lake-33552\r\n \r\n \r\n eng; USA\r\n \r\n \r\n utf8\r\n \r\n \r\n dataset\r\n \r\n \r\n \r\n \r\n NOAA National Centers for Environmental Information\r\n \r\n \r\n \r\n \r\n \r\n \r\n ncei.info@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.ncei.noaa.gov/contact\r\n \r\n \r\n NCEI Contact Information\r\n \r\n \r\n Information for contacts at NCEI.\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n pointOfContact\r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA World Data Service for Paleoclimatology\r\n \r\n \r\n Data Center Contact\r\n \r\n \r\n \r\n \r\n \r\n \r\n 828-271-4800\r\n \r\n \r\n 303-497-6513\r\n \r\n \r\n \r\n \r\n \r\n \r\n 325 Broadway, E/NE31\r\n \r\n \r\n Boulder\r\n \r\n \r\n CO\r\n \r\n \r\n 80305-3328\r\n \r\n \r\n USA\r\n \r\n \r\n paleo@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n pointOfContact\r\n \r\n \r\n \r\n \r\n 2024-01-22\r\n \r\n \r\n ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data\r\n \r\n \r\n ISO 19115-2:2009(E)\r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA/WDS Paleoclimatology - Lake El\u2019gygytgyn, Russia Biomarker Data During the Mid-Pleistocene Transition\r\n \r\n \r\n \r\n \r\n 2021-06-15\r\n \r\n \r\n publication\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n doi:10.25921/z73y-mx49\r\n \r\n \r\n \r\n \r\n \r\n \r\n noaa-lake-33552\r\n \r\n \r\n \r\n \r\n \r\n \r\n NCEI DSI 1200_02\r\n \r\n \r\n \r\n \r\n \r\n \r\n NCEI DSI 1200_01\r\n \r\n \r\n \r\n \r\n \r\n \r\n Lindberg, K.R.\r\n \r\n \r\n originator\r\n \r\n \r\n \r\n \r\n \r\n \r\n Lindberg, K.R.\r\n \r\n \r\n author\r\n \r\n \r\n \r\n \r\n \r\n \r\n Daniels, W.C.\r\n \r\n \r\n originator\r\n \r\n \r\n \r\n \r\n \r\n \r\n Daniels, W.C.\r\n \r\n \r\n author\r\n \r\n \r\n \r\n \r\n \r\n \r\n Casta\u00f1eda, I.S.\r\n \r\n \r\n originator\r\n \r\n \r\n \r\n \r\n \r\n \r\n Casta\u00f1eda, I.S.\r\n \r\n \r\n author\r\n \r\n \r\n \r\n \r\n \r\n \r\n Brigham-Grette, J.\r\n \r\n \r\n originator\r\n \r\n \r\n \r\n \r\n \r\n \r\n Brigham-Grette, J.\r\n \r\n \r\n author\r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA National Centers for Environmental Information\r\n \r\n \r\n publisher\r\n \r\n \r\n \r\n \r\n tableDigital\r\n \r\n \r\n \r\n \r\n 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 Russia, Eastern Europe. The time period coverage is from 1168000 to 752000 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.\r\n \r\n \r\n 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.\r\n \r\n \r\n completed\r\n \r\n \r\n \r\n \r\n NOAA National Centers for Environmental Information\r\n \r\n \r\n \r\n \r\n \r\n \r\n ncei.info@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.ncei.noaa.gov/contact\r\n \r\n \r\n NCEI Contact Information\r\n \r\n \r\n Information for contacts at NCEI.\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n pointOfContact\r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA World Data Service for Paleoclimatology\r\n \r\n \r\n Data Center Contact\r\n \r\n \r\n \r\n \r\n \r\n \r\n 828-271-4800\r\n \r\n \r\n 303-497-6513\r\n \r\n \r\n \r\n \r\n \r\n \r\n 325 Broadway, E/NE31\r\n \r\n \r\n Boulder\r\n \r\n \r\n CO\r\n \r\n \r\n 80305-3328\r\n \r\n \r\n USA\r\n \r\n \r\n paleo@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n pointOfContact\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.ncei.noaa.gov/pub/data/paleo/webimages/pc-default-lake.png\r\n \r\n \r\n Paleoclimatology - Lake\r\n \r\n \r\n PNG\r\n \r\n \r\n \r\n \r\n \r\n \r\n Earth Science > Climate Indicators > Paleoclimate Indicators > Ocean/Lake Records\r\n \r\n \r\n theme\r\n \r\n \r\n \r\n \r\n Global Change Master Directory (GCMD) Science Keywords\r\n \r\n \r\n \r\n \r\n 2024\r\n \r\n \r\n revision\r\n \r\n \r\n \r\n \r\n 19\r\n \r\n \r\n \r\n \r\n Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords\r\n \r\n \r\n GCMD Keyword Forum Page\r\n \r\n \r\n Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. 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\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n custodian\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology\r\n \r\n \r\n earth science > paleoclimate > paleolimnology > geochemistry\r\n \r\n \r\n theme\r\n \r\n \r\n \r\n \r\n Global Change Master Directory (GCMD) Science Keywords\r\n \r\n \r\n \r\n \r\n 2024\r\n \r\n \r\n revision\r\n \r\n \r\n \r\n \r\n 19\r\n \r\n \r\n \r\n \r\n Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords\r\n \r\n \r\n GCMD Keyword Forum Page\r\n \r\n \r\n Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. 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\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n custodian\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n What: C18 n-alkane; Material: null\r\n \r\n \r\n What: C25 n-alkane; Material: null\r\n \r\n \r\n What: C29 n-alkane; Material: null\r\n \r\n \r\n What: C32 n-alkane; Material: null\r\n \r\n \r\n What: age; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: sediment\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: sample identification; Material: null\r\n \r\n \r\n What: sample identification; Material: null\r\n \r\n \r\n What: depth at sample start; Material: null\r\n \r\n \r\n What: n-alkane; Material: sediment\r\n \r\n \r\n What: C28 n-alkane; Material: null\r\n \r\n \r\n What: C30 n-alkane; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: sample identification; Material: null\r\n \r\n \r\n What: C20 n-alkane; Material: null\r\n \r\n \r\n What: C23 n-alkane; Material: null\r\n \r\n \r\n What: C27 n-alkane; Material: null\r\n \r\n \r\n What: C31 n-alkane; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: C21 n-alkane; Material: null\r\n \r\n \r\n What: C33 n-alkane; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: depth; Material: null\r\n \r\n \r\n What: C19 n-alkane; Material: null\r\n \r\n \r\n What: C22 n-alkane; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: sample identification; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: C24 n-alkane; Material: null\r\n \r\n \r\n What: C26 n-alkane; Material: null\r\n \r\n \r\n What: isoprenoid glycerol dialkyl glycerol tetraether; Material: sediment\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: depth at sample end; Material: null\r\n \r\n \r\n What: age; Material: null\r\n \r\n \r\n What: C17 n-alkane; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n What: branched glycerol dialkyl glycerol tetraether; Material: null\r\n \r\n \r\n theme\r\n \r\n \r\n \r\n \r\n Paleoenvironmental Standard Terms (PaST) Thesaurus\r\n \r\n \r\n \r\n \r\n \r\n NOAA National Centers for Environmental Information\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.ncei.noaa.gov/products/paleoclimatology/paleoenvironmental-standard-terms-thesaurus\r\n \r\n \r\n PaST Thesaurus\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n publisher\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Continent > Europe > Eastern Europe > Russia > Lake El'gygytgyn > LATITUDE 67.4997 > LONGITUDE 172.1038\r\n \r\n \r\n place\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce\r\n \r\n \r\n dataCentre\r\n \r\n \r\n \r\n \r\n Global Change Master Directory (GCMD) Data Center Keywords\r\n \r\n \r\n \r\n \r\n 2020-01-09\r\n \r\n \r\n publication\r\n \r\n \r\n \r\n \r\n 9.1\r\n \r\n \r\n \r\n \r\n Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA)\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords\r\n \r\n \r\n GCMD Keyword Forum Page\r\n \r\n \r\n Global Change Master Directory (GCMD). 2024. GCMD Keywords, Version 19. 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\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n custodian\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n Cite as: Lindberg, K.R.; Daniels, W.C.; Casta\u00f1eda, I.S.; Brigham-Grette, J. (2021-06-15): NOAA/WDS Paleoclimatology - Lake El\u2019gygytgyn, Russia Biomarker Data During the Mid-Pleistocene Transition. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/z73y-mx49. Accessed [date].\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n 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.\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n 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.\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n None\r\n \r\n \r\n \r\n \r\n \r\n \r\n otherRestrictions\r\n \r\n \r\n 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.\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Biomarker Proxy Records of Arctic Climate Change During the Mid-Pleistocene Transition from Lake El'gygytgyn (Far East Russia)\r\n \r\n \r\n \r\n \r\n 2022\r\n \r\n \r\n publication\r\n \r\n \r\n \r\n \r\n \r\n \r\n Lindberg, Kurt R., William C. Daniels, Isla S. Casta\u00f1eda, Julie Brigham-Grette\r\n \r\n \r\n author\r\n \r\n \r\n \r\n \r\n \r\n \r\n Climate of the Past\r\n \r\n \r\n publisher\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n https://doi.org/10.5194/cp-18-559-2022\r\n \r\n \r\n HTTPS\r\n \r\n \r\n Web Browser\r\n \r\n \r\n Associated Reference published 2022\r\n \r\n \r\n Lindberg, Kurt R., William C. Daniels, Isla S. Casta\u00f1eda, Julie Brigham-Grette, 2022: Biomarker Proxy Records of Arctic Climate Change During the Mid-Pleistocene Transition from Lake El'gygytgyn (Far East Russia). Climate of the Past, 18, 559\u2013577, 10.5194/cp-18-559-2022\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n crossReference\r\n \r\n \r\n sciencePaper\r\n \r\n \r\n \r\n \r\n eng; USA\r\n \r\n \r\n geoscientificInformation\r\n \r\n \r\n \r\n \r\n Date Range: 1168000 cal yr BP to 752000 cal yr BP;\r\n \r\n \r\n \r\n \r\n 172.1038\r\n \r\n \r\n 172.1038\r\n \r\n \r\n 67.4997\r\n \r\n \r\n 67.4997\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Study Coordinates\r\n 67.4997 172.1038\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n -1166050\r\n -750050\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n STUDY NOTES: Dataset includes concentrations and fractional abundances of isoprenoid GDGTs, branched GDGTs, and leaf wax n-alkanes from 752-1142 ka at Lake El'gygytgyn, Far East Russia. The age model used in this study is that presented by Nowaczyk et al., 2013, Climate of the Past. Provided Keywords: branched GDGT, mid-Pleistocene, MPT, Arctic, Lake \r\nABSTRACT SUPPLIED BY ORIGINATOR: The Mid-Pleistocene Transition (MPT) is a widely recognized global climate shift occurring between approximately 1,250 to 700 ka. At this time, Earth's climate underwent a major transition from dominant 40 kyr glacial-interglacial cycles to quasi-100 kyr cycles. The cause of the MPT remains a puzzling aspect of Pleistocene climate. Presently, there are few, if any, continuous MPT records from the Arctic yet understanding the role and response of the high latitudes to the MPT is required to better evaluate the causes of this climatic shift. Here, we present new continental biomarker records of temperature and vegetation spanning 1,142 to 752 ka from Lake El'gygytgyn (Far East Russia). We reconstruct warm-season temperature variations across the MPT based on branched glycerol dialkyl glycerol tetraethers (brGDGTs) using the MBT'5ME proxy. The new Arctic temperature record does not display an overall cooling trend during the MPT but does exhibit strong glacial-interglacial cyclicity. Spectral analysis demonstrates persistent obliquity and precession pacing over the study interval and reveals substantial sub-orbital temperature variations at ~900 kyr during the first \u0093skipped\u0094 interglacial. Interestingly, Marine Isotope Stage (MIS) 31, which is widely recognized as a particularly warm interglacial, does not exhibit exceptional warmth at Lake El'gygytgyn. Instead, we find that MIS 29, 27 and 21 were as warm or warmer than MIS 31. In particular, MIS 21 (~870 to 820 ka) stands out as an especially warm and long interglacial in the continental Arctic while MIS 25 is a notably cold interglacial. Throughout the MPT, Lake El'gygytgyn pollen data exhibits a long-term drying trend, with a shift to an increasingly open landscape noted after around 900 ka (Zhao et al., 2018), which is also reflected in our higher plant leaf wax (n-alkane) distributions. Although the mechanisms driving the MPT remain a matter of debate, our new climate records from the continental Arctic exhibit some similarities to changes noted around the North Pacific region. Overall, the new organic geochemical data from Lake El'gygytgyn contribute to expanding our knowledge of the high-latitude response to the MPT.\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n NOAA National Centers for Environmental Information\r\n \r\n \r\n \r\n \r\n \r\n \r\n ncei.info@noaa.gov\r\n \r\n \r\n \r\n \r\n \r\n \r\n https://www.ncei.noaa.gov/contact\r\n \r\n \r\n NCEI Contact Information\r\n \r\n \r\n Information for contacts at NCEI.\r\n \r\n \r\n information\r\n \r\n \r\n \r\n \r\n \r\n \r\n distributor\r\n \r\n \r\n \r\n \r\n \r\n \r\n In most cases, electronic downloads of the data are free. 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