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51. Planktonic Foraminiferal Cd/Ca: Paleonutrients or Paleotemperature? [NOAA_NCDC_PALEO_2002-035]
Planktonic Foraminiferal (G. bulloides) Cd/Ca, Mg/Ca, and d18O data from the subantarctic sector of the Southern Ocean.


52. Pleistocene Depth-derived Age Model and Composite d18O Record [NOAA_NCDC_PALEO_2006-075]
This collection of files provides the data used in constructing the extended depth-derived age-model, the resulting age-model and composite delta-18O records, the uncertainty estimates associated ...


53. Plio-Pleistocene Astronomical Timescale [NOAA_NCDC_PALEO_96-017]
This data set consists of a comparison of published astronomically calibrated timescales. The ASCII file lourens1996.dat contains composite depth,age, oxygen isotope data from G. ruber-obliquus, ...


54. Pliocene Warm Period Foraminifer Stable Isotope Data [NOAA_NCDC_PALEO2003-070]
Pliocene Warm Period Foraminifer Stable Isotope Data ODP Site 980/981 55.48N, 14.65W, 2200m depth (Abstract from the online documentation): We present a high-resolution climate record from a sediment ...


55. Pliocene/Pleistocene North Atlantic Intermediate Water Data [NOAA_NCDC_PALEO_1999-048]
This data set consists of benthic isotope and grain size data from ODP sites 981 and 983 used to reconstruct NAIW formation.


56. Precipitation Reconstruction for Huashan, China [NOAA_NCDC_PALEO_96-020]
This data set consists of precipitation reconstructions for Huashan, Shaanxi Province, in the central People's Republic Of China, based on tree-ring data.


57. Proxy-Based Pacific SST Reconstructions [NOAA_NCDC_PALEO_2001-068]
We have produced three sets of reconstructed Pacific Basin SST field and error estimates, based on three sets of observations. SST anomaly values reconstructed on the basis of proxies are small, and ...


58. Quelccaya Summit (Peru) Ice Core from WDC for Paleoclimatology [EARTH_LAND_NGDC_PALEOCL_QUELCCA]
This data set is derived from the Quelccaya Summit Ice Core by Drs. Lonnie Thompson and Ellen Mosley-Thompson of The Ohio State University. The record was updated in May 1992 to extend the data period ...


59. Quinn and Neal historical El Nino records, Climate Since A.D. 1500 Database, WDC Paleoclimatology [NOAA_WDCPALEO_CLIM1500_CH32]   PARENT METADATA
Data Quinn and Neal, historical El Nino record from Table 32.1 (Bradley and Jones, 1992). Data set includes El Nino events of moderate, strong and very strong intensities, their confidence ratings ...


60. Historical CO2 Records from the Law Dome DE08, DE08-2, and DSS Ice cores, CDIAC/Trends and WDC/Paleoclimatology [CDIAC_TRENDS_CO2_LAWDOME]
The CO2 records presented here are derived from three ice cores obtained at Law Dome, East Antarctica from 1987 to 1993. The Law Dom site satisfies many of the desirable characteristics of an ideal ...


61. New Zealand February-March Temperature Reconstruction [NOAA_NCDC_PALEO_2000-018]
The data consists of average February-March temperature and its' upper and lower 90% confidence interval. These data are given in degrees centigrade which derived from 11 New Zealand cedar (Libocedrus ...


62. North Atlantic Mollusc Isotopes [NOAA_NCDC_PALEO_95-018]
I. "Acal2" is calibration data for same period as stable isotope records and includes (from L to R) : 1) the date (based on 8-month (May-Dec) growth year and centered at mid-month); 2) mean monthly ...


63. Northeast Pacific Modern Planktonic Foraminifera Isotope Data [NOAA_NCDC_PALEO_1999-017]
Average oxygen and carbon isotopic composition of planktonic Foraminifera from the MOCNESS plankton tow, plus dissolved inorganic carbon d13C and [NO3-]at four sites along the Multitracers transect.


64. Northeast Pacific Uk37 Paleo-Temperatures [NOAA_NCDC_PALEO_2001-035]
This data set consists of Northeast Pacific Uk37 Paleo-Temperatures. Sediment core JT96-09 48° 54.7'N Latitude 126° 53.4'W Longitude 920 m Water depth Variable name and unit in each column from ...


65. Northwest Pacific Stable Isotope Data [NOAA_NCDC_PALEO_2001-039]
This data set consists of Northwest Pacific Stable Isotope Data. This directory contains foraminifer stable isotope data published in Keigwin (1998) Paleoceanography, plus additional files of d18-O ...


66. Time Dependent Ice Coverage and Ice Topography Through the Glacial Cycle [NOAA_NCDC_PALEO_93-015]
Topography and ice cover data files from the ICE-4G model. Data consists of topographical heights at 1 Kyr intervals since the last glacial maximum. Topographical heights are relative to paleo sea ...


67. N2O, CH4 and CO2 Data from Dome C Ice Core (Antarctica) Covering the Holocene, NOAA/NCDC/WDC Paleoclimatology [NOAA_NGDC_PALEO_DOMEC]
This data consists of nitrous oxide (N2O), carbon dioxide (CO2), and methane (CH4) concentrations from the EPICA Dome C ice core (Antarctica). [Abstract] Nitrous oxide (N2O ) concentration records ...


68. NADW Suborbital Timescale Variability [NOAA_NCDC_PALEO_95-027]
This data set consists of tables of stable isotope and 14C dates on benthic and planktonic foraminifer assemblages from core V29-202 (subpolar North Atlantic, ~50N, ~23W), used as proxy ...


69. NASA/GISS Model II General Circulation Model Output Data Set for Paleoclimate Simulations [NOAA_NCDC_PALEO_94-012]
GISS MODEL II NINE LAYER PALEOCLIMATE SIMULATIONS There are a number of different modern control runs for the paloeclimate experiments. It is important to be sure that the correct control run is ...


70. NASA/GISS Model Runs for Paleoclimate Modelling Intercomparison Project (PMIP) [PMIP_GISS]   PARENT METADATA
The GISS model used for the PMIP experiment is a modified version of Model II that is described by Hansen et al. (1983) . The current model (described by Hansen et al., 1997) differs from this predecessor ...


71. NICL Ice Cores Inventory (including GISP2) for Paleoclimate Data [EARTH_LAND_NGDC_PALEO_NICL_GISP]
The NICL Inventory describes the ice core holdings of the National Ice Core Laboratory (NICL), a facility for storing, curating, and studying ice cores recovered from the world's polar ...


72. Net accumulation data from Lomonosovfonna, Svalbard and Milcent from Arctic ice cores, Climate Since A.D. 1500 Database, WDC Paleoclimatology [NOAA_WDCPALEO_CLIM1500_CH26]   PARENT METADATA
Data from Tarussov. Net accumulation data from Lomonosovfonna, Svalbard and Milcent, Greenland (shown in Figure 26.4). Annual Melt percentage (AMP) data for Austfonna, Svalbard (shown in Figures ...


73. New England Lakes Plant Macrofossil Database [NOAA_NGDC_PALEO_NEPMD]
New England Lakes Plant Macrofossil Data. Surface sample study of 18 lakes in New England, NE USA. The New England Plant Macrofossil Data is part of the North American Plant Macrofossil Database.


74. New England Lakes Terrigenous Inwash and Holocene Paleostorm Data, NOAA/NCDC/WDC Paleoclimatology [NOAA_NCDC_PALEO_2002-077]
[Abstract] For the purpose of detecting the effects of human activities on climate change, it is important to document natural change in past climate. In this context, it has proved ...


75. Newall Glacier and Dome C Ice Core in situ 14C Data [NOAA_NCDC_PALEO_2003-065]
We have studied the levels of 14C in firn and ice from two regions accumulating ice in Antarctica, Dome C, and Newall Glacier. The observed concentrations indicate variable amounts of in-situ 14C ...


76. Nino 3 (El Nino) Index Reconstruction [NOAA_NCDC_PALEO_2000-052]
Reconstruction of the Nino3 Index of El Nino-Southern Oscillation variability, for the months of December through February each year, based on tree ring data from northern Mexico and Texas, USA. ...


77. Nitrogen and Argon Isotope Data from GISP2 Ice Core [SEVERINGHAUS_GISP2]
Isotope data on N15/N14 and Ar40/36 ratios in air trapped in bubbles in glacial ice.


78. Nitrogen and Carbon Isotope Data from the Central Arctic Ocean [NOAA_NCDC_PALEO_2001-037]
Nitrogen and Carbon Isotope Data from the Central Arctic Ocean Core Locations: Core PS2163-1, 86°14.5'N, 59°12.9'E, 3040m Core PS2170-4, 87°35.8'N, 60°53.7'E, 4083m Core PS2178-4, 88°01.3'N, 159°35.1'E, ...


79. Nordic Seas Eemian Paleoceanography [NOAA_NCDC_PALEO_97-029]
This data set consists of a comparison of Eemian and early Weichselian interglacial paleoceanography with that of the Holocene interglacial in the nordic seas (Norwegian, Iceland, and Greenland Seas) ...


80. Nordic Seas Pliocene-Pleistocene Ice Rafting Data [NOAA_NCDC_PALEO_2001-006]
This data set consists of two files and include Ice Rafting (IRD) data and agemodel which appears in the paper: Jansen et al., Pliocene-Pleistocene ice rafting history and cyclicity in the Nordic ...


81. North American 14,000 Year Pollen-based July Temperature Reconstructions [NOAA_NCDC_PALEO_2006-121]
A mean continental July temperature reconstruction based on pollen records from across North America quantifies temperature variations of several timescales for the past 14,000 cal yr BP. In North ...


82. North American Drought Variability PDSI Reconstructions [NOAA_NCDC_PALEO_2000-074]
Tree Ring reconstructions of Palmer Drought Severity Index (PDSI) across the continental United States and bordering areas of Canada and Mexico. Drought variability study for the last ca. 100 years ...


83. North American Lilac Phenology Data Since 1956 online [LILAC_PHENOLOGY]
Yearly date of first leaf and first bloom for lilac shrubs (Syringa chinensis clone and Syringa vulgaris) for 1126 locations in the United States and Canada. Schwartz and Reiter (2000): Onset of ...


84. North American Plant Macrofossil Database at WDC/Paleoclimatology [NOAA_NGDC_PALEO_NAPMD]
In order to support these and other paleoenvironmental applications of plant macrofossil data, a cooperative North American Plant Macrofossil Database is being organized and compiled under sponsorship ...


85. North American Pollen Atlas [NOAA_NCDC_PALEO_2007-001]
This atlas displays the distribution of modern pollen abundances in North America, both geographically and relative to various climatic, bioclimatic, and vegetational variables. It is intended to ...


86. North American Summer PDSI Reconstructions [NOAA_NCDC_PALEO_2004-045]
(from: Cook, et al. Long-Term Aridity Changes in the Western United States Science, Vol. 306, No. 5698, pp. 1015-1018, 5 November 2004.) The western United States is experiencing a severe multi-year ...


87. North Atlantic Cretaceous Calcareous Nannofossil Data [NOAA_NCDC_PALEO_2005-036]
Well-preserved nannofossil and stable isotope records from the mid-Cretaceous of ODP Leg 171B (western North Atlantic) indicate cyclical, productivity-based variations in surface water characteristics, ...


88. North Atlantic Dansgaard-Oeschger Cycle Salinity Reconstructions [NOAA_NCDC_PALEO_2006-094]
Geochemical and sedimentological evidence suggest that the rapid climate warming oscillations of the last ice age, the Dansgaard-Oeschger cycles, were coupled to fluctuations in North Atlantic meridional ...


89. North Atlantic Deep Water Production 70-130 KYrBP [NOAA_NCDC_PALEO_1998-013]
This data set consists of NADW production derived from benthic foraminifer stable isotopic data. Core KNR31-GPC9. Location: Bahama Outer Ridge Latitude 28 deg 14.7 min N Longitude 74 deg 26.4 min ...


90. North Atlantic Isotopic and Trace Element Data [NOAA_NCDC_PALEO_2000-031]
The data are presented with respect to VPDB based on an published values for NBS-19 of -2.20 for 18O and 1.95 for 13C. The methods for conversion to VPDB are described in: Ostermann, D. R. and ...


91. North Atlantic Oscillation (NAO) Reconstruction to 1500 AD, WDC/Paleoclimatology [NOAA_NGDC_PALEO_NAO1500]
Monthly (1659-2001) and seasonal (1500-1658) North Atlantic Oscillation (NAO) indices were estimated using instrumental and documentary proxy predictors from Eurasia. Uncertainty estimates were calculated ...


92. North Atlantic Oscillation Reconstruction [NOAA_NCDC_PALEO_2006-055]
A method is presented to reconstruct decadal variations of the North Atlantic Oscillation (NAO). The spectral characteristics of the NAO on time scales of decades and longer are of particular interest ...


93. North Atlantic Pleistocene Isotope Records [NOAA_NCDC_PALEO_2004-020]
Geochemical profiles from the North Atlantic Ocean suggest that the vertical d13C structure of the water column at intermediate depths did not change significantly between glacial and interglacial ...


94. North Atlantic Plio-Pleistocene IRD and Isotope Data [NOAA_NCDC_PALEO_2001-066]
This data set contains North Atlantic Plio-Pleistocene IRD and Isotope Data, as a proxy for millennial-scale climate change.


95. North Atlantic Postglacial Deep Water Ventilation Sediment Data [NOAA_NCDC_PALEO_2006-068]
Stable isotope, sedimentological, and radiocarbon data from cores at ~3 km water depth on the Blake Ridge, western subtropical North Atlantic, reveal the history of deep water ventilation since ...


96. North Atlantic Sea Surface Temperature Reconstruction, NOAA/NCDC/WDC Paleoclimatology [NOAA_NCDC_PALEO_2003-026]
North Atlantic paleotemperature data set from Fig. 2 of Bard (2002) (See References). These data correspond to the temperature record for the Iberian Margin. Site location: stack of deep-sea cores ...


97. North Atlantic Spectral Reflectance Data [NOAA_NCDC_PALEO_1999-025]
This data set is an electronic archive of the proxy carbonate estimates, data tables and figures from Ortiz, et al. (1999). The much larger reflectance data sets are archived by the Ocean Drilling ...


98. North Greenland Ice Core Project Oxygen Isotope Data [NOAA_NCDC_PALEO_2004-059]
Two deep ice cores from central Greenland, drilled in the 1990s, have played a key role in climate reconstructions of the Northern Hemisphere, but the oldest sections of the cores were disturbed in ...


99. North Iceland Shelf Carbonate and Foraminiferal Oxygen Isotope Data [NOAA_NCDC_PALEO_2004-048]
This dataset contains oxygen isotope data and percent total carbonate data for nine sediment cores collected from the North Iceland shelf. Methods: Cores were collected in the summer of 1997 ...


100. North Pacific Eolian Sediment Mass Accumulation Rate Data [NOAA_NCDC_PALEO_1998-024]
North Pacific Eolian Sediment Mass Accumulation Rate Data from ODP Site 885/886: Latitude: 44.7°N, Longitude: 168.3°W, Depth: 5710 m Data precision: Variable, commonly ±5 to 10%, see references.


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