noaa-recon-23072 Northeastern United States 11,000 Year Precipitation Reconstructions Marsicek, J.P.; Shuman, B.N.; Brewer, S.; Foster, D.R.; Oswald, W. Northeastern United States 11,000 Year Precipitation Reconstructions 2017-11-15 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/23072 Investigator J.P. Marsicek Investigator B.N. Shuman Investigator S. Brewer Investigator D.R. Foster Investigator W. Oswald earth science paleoclimate climate reconstructions|lake levels|paleolimnology age,null,null,calendar year before present,null,climate reconstructions|lake levels|paleolimnology,null,null,N,null earth science paleoclimate climate reconstructions|paleolimnology salinity,diatom assemblage|lake water,null,dimensionless,null,climate reconstructions|paleolimnology,null,null,N,diatom-inferred mean log salinity earth science paleoclimate climate reconstructions|pollen age,null,null,year Common Era,null,climate reconstructions|pollen,null,null,N,null earth science paleoclimate climate reconstructions|lake levels|paleolimnology lake level,null,range lower bound,centimeter,null,climate reconstructions|lake levels|paleolimnology,null,null,N,elevation below modern earth science paleoclimate climate reconstructions|pollen precipitation,null,null,millimeter per year,annual,climate reconstructions|pollen,null,null,N,null earth science paleoclimate climate reconstructions|lake levels|paleolimnology lake level,null,null,centimeter,null,climate reconstructions|lake levels|paleolimnology,null,null,N,elevation below modern earth science paleoclimate climate reconstructions|lake levels|paleolimnology lake level,null,range upper bound,centimeter,null,climate reconstructions|lake levels|paleolimnology,null,null,N,elevation below modern earth science paleoclimate climate reconstructions|pollen age,null,null,calendar year before present,null,climate reconstructions|pollen,null,null,N,null earth science paleoclimate climate reconstructions|lake levels|paleolimnology age,null,null,year Common Era,null,climate reconstructions|lake levels|paleolimnology,null,null,N,null earth science paleoclimate reconstructions precipitation geoscientificInformation Precipitation Reconstruction 11000 cal yr BP 0 cal yr BP Complete 41.15833 42.68 -73.319 -70.20834 6 630 Continent North America United States Of America Massachusetts Little Pond Royalston>LATITUDE 42.68>LONGITUDE -72.19 Continent North America United States Of America Massachusetts Blood Pond>LATITUDE 42.083>LONGITUDE -71.916 Continent North America United States Of America Rhode Island Fresh Pond (FRESHPND)>LATITUDE 41.15833>LONGITUDE -71.575 Continent North America United States Of America Connecticut Rogers Lake (ROGERSLK)>LATITUDE 41.36666>LONGITUDE -72.11667 Continent North America United States Of America Massachusetts No Bottom Pond (NOBOTTOM)>LATITUDE 41.28333>LONGITUDE -70.20834 Continent North America United States Of America Massachusetts Berry Pond>LATITUDE 42.505>LONGITUDE -73.319 Continent North America United States Of America Massachusetts Deep Pond>LATITUDE 41.564>LONGITUDE -70.635 None 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. English DOC/NOAA/NESDIS/NCEI National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce https://www.ncdc.noaa.gov/data-access/paleoclimatology-data DATA Center Contact Bruce Bauer bruce.a.bauer@noaa.gov paleo@noaa.gov 303-497-6280 303-497-6513

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Boulder CO 80305-3328 USA online ASCII Jeremiah P. Marsicek, Bryan Shuman, Simon Brewer, David R. Foster, W. Wyatt Oswald 2013 Quaternary Science Reviews 80 129-142 10.1016/j.quascirev.2013.09.001 http://www.sciencedirect.com/science/article/pii/S0277379113003375

A decline of hemlock (Tsuga) populations at ca 5.5 ka (thousands of calibrated radiocarbon years before 1950 AD) stands out as the most abrupt vegetation change of the Holocene in North America, but remains poorly understood after decades of study. Recent analyses of fossil pollen have revealed a concurrent, abrupt oak (Quercus) decline and increases in the abundance of beech (Fagus) and pine (Pinus) on Cape Cod in eastern Massachusetts, but the replacement of drought-tolerant oaks by moisture-sensitive beeches appears inconsistent with low lake levels in the region at the same time. The oak and beech changes are also limited to coastal areas, and the coastal-inland differences require an explanation. Here, we develop a new lake-level reconstruction from Deep Pond, Cape Cod by using a transect of sediment cores and ground-penetrating radar (GPR) profiles to constrain the past elevations of the sandy, littoral zone of the pond. The reconstruction shows that a series of multi-century episodes of low water coincide with the abrupt hemlock and oak declines, and interrupt subsequent phases of hemlock recovery. The lake-level variations equal precipitation deficits of ~100 mm superimposed on a Holocene long moisture increase of >400 mm. However, because moisture deficits do not easily explain the oak and beech changes, we also evaluate how the climate preferences of the regional vegetation changed over time by matching the fossil pollen assemblages from Deep Pond with their modern equivalents. Reconstructions of the precipitation requirements of the vegetation correlate well even in detail with the lake-level record (r = 0.88 at Deep Pond), and indicate close tracking of effective moisture (precipitation minus evapotranspiration) by the vegetation despite the abrupt species declines, which could have decoupled climate and vegetation trends. Reconstructions of the temperature preferences of the vegetation indicate that coastal sites may have cooled by 0.5-2.5 C after ca 5.5 ka, while inland sites warmed by 0.5-1 C. The change in coastal temperature preferences agrees with sea surface cooling in the western Atlantic Ocean of >1 C. Consequently, the persistence of low hemlock abundance after 5.5 ka in the northeast U.S. may have resulted from oceanic changes that produced multi-century droughts and thus delayed the post-decline recovery of hemlock populations.

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/LittlePondRoyalston.Marsicek.2013.txt NOAA Template File; Little Pond Royalston Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/Rogers.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; Rogers Lake Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/BloodPond.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; Blood Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/FreshPond.Marsicek.2013.txt NOAA Template File; Fresh Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/NoBottomPond.Marsicek.2013.txt NOAA Template File; No Bottom Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/Deep.Marsicek.2013-2.txt NOAA Template File; Deep Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/BerryPondWest.Marsicek.2013.txt NOAA Template File; Berry Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/FreshPond.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; Fresh Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/LittlePondRoyalston.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; Little Pond Royalston Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/Rogers.Marsicek.2013.txt NOAA Template File; Rogers Lake Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/Deep.Marsicek.2013-1.txt NOAA Template File; Deep Pond Lake Level Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/NoBottomPond.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; No Bottom Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/Deep.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; Deep Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/BloodPond.Marsicek.2013.txt NOAA Template File; Blood Pond Precipitation Reconstruction GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/BerryPondWest.Marsicek.2013.lpd Linked Paleo Data (LiPD) File Format; Berry Pond Precipitation Reconstruction USA/NOAA DIF Version 9.8.4 2018-12-11 2018-12-11