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51. Annual Accumulation Data from 1997 and 1998 PARCA Ice Cores [NSIDC-0624]
This data set contains annual accumulation data in water equivalent from 14 ice cores collected in 1997 and 16 ice cores collected in 1998. Data are provided in Microsoft Excel Format. Users of these ...


52. Annual Mean Water Isotope (d18O) Record for the "DSS" Law Dome Ice Core [LD2012-d18O-Native-age]
The LD2012-d18O-Native-age record is the annual mean water isotope (d18O) record for the "DSS" (Dome Summit South) Law Dome ice core with extensions (e.g. As described in van Ommen et al., Nature ...


53. Annualized Summer Sea Salt From the Law Dome Ice Core Chemistry Record, 1000-2009 [summer_sea_salt_1000-2009]   PARENT METADATA
This data set is the logged, annualised summer sea salt (December to March, DJFM) concentrations from the Law Dome ice core chemistry record, spanning 1000-2009 AD (dates apply to the year of JFM, ...


54. Annually-resolved polar ice core 10Be records spanning the Neutron Monitor era [Neutron-Monitor-era-annual-10Be]   PARENT METADATA
Annually-resolved 10Be concentrations, stable water isotope ratios and accumualtion rate data from the DSS site on Law Dome, East Antarctica (spanning 1936-2009) and the Das2 site, south-east Greenland ...


55. Antarctic Climate Reconstruction Utilizing the US ITASE Ice Core Array (2009-2012) [NSF-ANT08-37988]
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). This award supports a project to reconstruct the past physical and chemical climate of Antarctica, ...


56. Antarctic Ice Core Deglacial Water Isotope Composite Record on GICC05 [deglacial_water_isotope_composite_gicc05]   PARENT METADATA
Precise information on the relative timing of north-south climate variations is a key to resolving questions concerning the mechanisms that force and couple climate changes between the hemispheres. ...


57. Antarctic Peninsula Long Term Environmental Monitoring and Surveying [GB-NERC-BAS-PDC-00526]
LTMS will build on and extend BAS's past collection of long-term time-series of key environmental variables. Examples include the ongoing collection of the temperature record which shows that the ...


58. Antarctic and Greenland Synchronization Data for the Last Glacial Period from WDC-A/Paleoclimatology [NOAA_NGDC_PALEOCLIMATE_SYNCHRO]
This data set consists of isotopic, carbon dioxide (CO2), and methane (CH4) data collected from the Byrd and Vostok ice cores (Antarctica) and the Greenland Ice Core Project (GRIP). Data from the ...


59. Arctic Environmental Change of the Last Four Centuries [NOAA_NCDC_PALEO_ARCTIC]
Abstract (from the online documentation): A compilation of paleoclimate records from lake sediments, trees, glaciers, and marine sediments provides a view of circum-Arctic environmental variability ...


60. Arctic Islands Glaciology Data [Canada_GSC_ArcticIsGlaciology]
This dataset includes glaciology field measurements and ice core work. Data cannot be released unless user is familiar with data. Ice core measurements include oxygen 18, melt, pollen, chemistry with ...


61. Atmospheric CO2 over the last 1000 years: A record from the WAIS Divide ice core [brook_0739766]
These data are a decadally resolved record of atmospheric CO2 concentration for the last 1000 years, obtained from the West Antarctic Ice Sheet (WAIS) Divide shallow ice core.


62. Atmospheric N2O Concentrations from GRIP Ice Cores During the Last Millenium [GRIP_N2O_NOAA_NGDC_PAGES]
This data set consists of nitrous oxide (N2O) concentrations derived from two ice cores from Summit in Greenland: GRIP and EUROCORE. Both records cover the past millenium and record pre-industrial ...


63. Atmospheric, Snow and Firn Chemistry Studies for Interpretation of WAIS-Divide Cores, Antarctica [bales_0636929]
This award supports a project to understand how recent changes in atmospheric chemistry, and historical changes as recorded in snow, firn and ice, have affected atmospheric photochemistry over Antarctica. ...


64. Axel Heiberg Island, Canada - Radiocarbon Sample Database [Canada_GSC_AxelRadiocarbSampDB]
A Cardbox file containing dated and undated radiocarbon samples collected during the course of a regional mapping project on Axel Heiberg Island, Nunavut.This database is to synthesize information ...


65. BHC1, BHC2, BHQ ice core data records [bhc1_bhc2_bhq_logs_notes]
Data and analysis of data from BHC1, BHC2 and BHQ boreholes on Law Dome. Includes caliper data, temperature, and inclination/azimuth. Physical copies of these documents have been stored in the Australian ...


66. Baffin Island, Canada - Radiocarbon Sample Database [Canada_GSC_BaffRadiocarbSampDB]
A Cardbox file containing dated and undated radiocarbon samples collected in the course of a regional mapping project on northwestern Baffin Island.This database is to synthesize information pertaining ...


67. Basal Peat Radiocarbon Dates From Northern North America and Greenland [Canada_GSC_BasalPeatRadiocarbon]
An Excel spreadsheet listing radiocarbon dates on wetland inception (basal peat) in Northern North America (north of 40?N) and Greenland along with depth interval of dated samples. As of June 2001, ...


68. Berkner Island Ice Cores 1994-95 [89738616867620]
Overview: 12 ice cores were drilled on and around the two main 'dome' locations on Berkner Island during the 1994/95 field season. These were drilled in a joint project between British Antarctic Survey ...


69. Boundaries and Tags for Major Geologic Units in the United States [UTC_majorgeologicunits]
This data set contains boundaries and tags for major geologic units in the conterminous United States. In addition to the polygons representing the areal extent of geologic units, it identifies boundaries ...


70. Bubble Number-density Data and Modeled Paleoclimates [NSIDC-0538]
This data set includes bubble number-density measured at depths from 120 meters to 560 meters at 20-meter intervals in both horizontal and vertical samples. The data set also includes modeled temperature ...


71. Building the Digital Earth [GEO_CORNEL_DIGITALEARTH]
The Cornell University's Geoscience Information System Project, started in 1995, is a major initiative that targets to develop a comprehensive Geoscience Information System for the geosciences. The ...


72. Byrd Station (Antarctica) N2O Ice Core Data from WDC/Paleoclimatology [NOAA_NGDC_PALEO_BYRD]
The N2O data consists of three files: - N2O data from the GRIP (Greenland) ice core covering the last glacial-interglacial transition. - N2O data from the GRIP ice core covering Dansgaard-Oeschger ...


73. Byrd Station Ice Core Microparticle Analyses Data from WDC/Paleoclimatology [NOAA_NGDC_PALEO_BYRD_MICROP]
This data consists of microparticle concentractions from the 2,164 m ice core from the Byrd Station, Antarctica.


74. C-axis Fabric from Physical Properties Samples of the WAIS Divide Ice Core [NSIDC-0605]
This data set contains c-axis fabric measurements and grain area from the physical properties samples taken from the main West Antarctic Ice Sheet (WAIS) Divide ice core, WDC06A , Antarctica.


75. CACHE PEP-P: James Ross Island Ice Cap Drilling - PROJECT [GB-NERC-BAS-AEDC-00303]
A team of eight scientists will visit James Ross Island to recover the first complete ice core climate record from the northern Antarctic Peninsula spanning for the Holocene (which began over 10,000 ...


76. CACHE-PEP: Natural climate variability - extending the Americas Pole-Equator-Pole paleoclimate transect through the Antarctic Peninsula to the Pole [GB-NERC-BAS-PDC-00510]
To determine how the climate of the Antarctic Peninsula during the Holocene (last 10,000 years) is related to global scale patterns and trends, in order to understand the significance of current environmental ...


77. CCM1 General Circulation Model Output Data Set for Paleoclimate Simulations of the Last 14,000 Years [NOAA_NCDC_PALEO_96-027]
The data set consists of CCM1 General Circulation model output for paleoclimatic simulations over the past 18,000 years. CCM1 Experiment 25 for 21k, 16k, 14k, 11k, 6k, and 0k, monthly data. CCM1 ...


78. CH4 concentration, the isotopic composition of O2 and N2, and the O2/N2/Ar ratio of clean, disturbed ice from the GISP2 core [Gas_properties_in_deep_Greenland_ice_cores]
This data set contains information on the isotopic composition and concentration of gases in Arctic ice cores. Included are Greenland cores GISP2, GRIP, Dye 3, and Canadian cores from Baffin, Ellesmere, ...


79. Canadian Archaeological Radiocarbon Database [Canada_GSC_ArchaeRadiocarbonDB]
This application of the Canadian Archaeological Radiocarbon Database illustrates the locations of radiocarbon-dated archaeological and palaeobiological sites near the time of the last glacial maximum ...


80. Canadian Diatom Database [CANADA_GSC_CanadianDiatomDbase]
The Canadian Diatom Database includes two components, the first one contains approximately 5,000 diatom samples with their description, precise geographic location and associated information, ...


81. Casey Ice Coring Program - Operations and Data Report, 1979 [casey_ice_coring_1979]
A handwritten copy of the 1979 report on ice core drilling on Law Dome (final draft?) Includes detailed notes on methods and equipment, as well as data for inclination, temperature and diameters of ...


82. Causes of Climate Change Over the Past 1000 Years, NOAA/NCDC/WDC Paleoclimatology [NOAA_NCDC_PALEO_2000-045]
Recent reconstructions of northern hemisphere temperatures and climate forcing over the last 1000 years allow the warming of the 20th century to be placed within a historical context and various mechanisms ...


83. Chemistry and Dynamics of Atmospheric Oxidation of Volcanic Sulfur [Cole-Dai0337933]
This dataset contains chemical measurements of volcanic sulfate deposits in Antarctic snow, in a collaborative project between South Dakota State University (SDSU, Jihong Cole-Dai, PI) ...


84. Climate Over Past Millennia [NOAA_NCDC_PALEO_2004-085]
We review evidence for climate change over the past several millennia from instrumental and high-resolution climate "proxy" data sources and climate modeling studies. We focus on changes over the ...


85. Climate Since AD 1500 Database, WDC Paleoclimatology [EARTH_LAND_NGDC_PALEOCLIM1500AD]   CHILD METADATA
This data set contains the data described in various chapters of the book: CLIMATE SINCE A.D. 1500 Edited by Raymond S. Bradley and Philip D. Jones published ...


86. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach - Cryosphere and Oceans [scambos_0732921]
This award supports the cryospheric and oceano-graphic components of an integrated multi-disciplinary program to address these rapid and fundamental changes now taking place in Antarctic Peninsula ...


87. Collaborative Research: Anisotropy, Abrupt Climate Change, and the Deep Ice in West Antarctica [pettit_0940650]
This award supports a project to constrain the accumulation rate, thickness, and temperature history for Siple Dome using a vertical velocity profile that includes the effects of an evolving fabric ...


88. Collaborative Research: Constructing an Ultra-high Resolution Atmospheric Methane Record for the Last 140,000 Years from WAIS Divide Core [Sowers_0538538]
This award supports a project to develop a high-resolution (every 50 yr) methane data set.


89. Collaborative Research: Continued Study of Physical Properties of the WAIS Divide Deep Core [spencer_1043313]
This data set includes ~50-m averaged annual layer thicknesses down to 3403 m depth at the West Antarctic Ice Sheet (WAIS) Divide ice core (WDC06A) as observed visually using diffuse transmitted light ...


90. Collaborative Research: Dating and Paleoenvironmental Studies on Ancient Ice in the Dry Valleys, Antarctica [NSF-ANT06-36731]
This project studies ancient ice buried in the Dry Valleys of Antarctica. The ice, which may approach ten million years in age, will be dated using argon and uranium radioisotope techniques. High-risk ...


91. Collaborative Research: Microparticle/tephra analysis of the WAIS Divide ice core [dunbar_0636767]
Visible tephra layers were found in the Byrd Station ice core, the first deep core drilled in Antarctica. Since then, tephra have been found in many other Antarctic ice cores. Tephra layers in ice ...


92. Collaborative Research: Molecular Level Characterization of Organic Matter in Ice Cores using High-resolution FTICR mass spectrometry [hatcher_0739684]
This award supports a project to fully develop the analytical protocols needed to exploit a relatively new technique for the analysis of soluble organic matter in ice core samples. The technique couples ...


93. Collaborative Research: Refining a 500-kyr Climate Record From the Mt. Moulton Blue Ice Field in West Antarctica [dunbar_NSF0230348]
There is intense scientific interest in the history, dynamics and future of the West Antarctic Ice Sheet because it is the world's only remaining marine ice sheet and is considered by ...


94. Collaborative Research: Stable Isotopes of Ice in the Transition and Glacial Sections of the WAIS Divide Deep Ice Core (NSF Award Number 1043092) [WAIS_Divide_Isotope_Data]
WAIS Divide Core 06A 68,000 years ago through 2000C.E. Isotope Data from University of Washington (Eric Steig). Data set of 0.25 to 1 meter averages of oxygen isotope data from the WAIS Divide ice ...


95. Collaborative Research: Stable Isotopes of Ice in the WAIS Divide Deep Ice Core [NSF-ANT05-37930]
This award supports analyses of stable isotopes of water, dD, d18O and deuterium excess in the proposed West Antarctic Ice Sheet Divide (WAIS) deep ice core. The project will produce a continuous ...


96. Collaborative Research: Western Divide West Antarctic Ice Cores (WAISCORES) Site Selection [conway_0087345]
This award supports a program of ground-based geophysical measurements to map in detail the spatial variations of ice flow, accumulation rate, internal layering and ice thickness at the sites which ...


97. Combatant Col ice core trace chemistry and oxygen isotopes [combatant_col_ice_core_trace_chemistry_and_oxygen_isotopes]
Microsoft Excel spreadsheet detailing records of black carbon, dust, lead, and oxygen isotopes plotted versus depth and age in the Combatant Col ice core (Coast Range, southwest British Columbia, ...


98. Continuous Measurement of Dust Concentration Along the Top 120 Meters of the Greenland Ice Sheet Project 2 (GISP2) Ice Core [SUNY_Buff_Phys_Greenland_Dust]
We measured the concentration of insoluble aerosols (i.e. dust) along the top 120 meters of the Greenland Ice Sheet Project 2 (GISP2) ice core, which was retrieved from the Summit location, central ...


99. Continuous flow measurements of MSA in the WAIS Divide (WDC06A) ice core [saltzman_0839122]
This dataset includes depths, ages, and concentrations of methanesulfonate. The analyses were conducted using the DRI continous melter system with electrospray MS/MS detection in negative ion mode. ...


100. Continuous glaciochemical ice core data from Norwegian-US Scientific Traverse of East Antarctica [mcconnell_0538416]
Continuous, high-depth-resolution glacio-chemical measurements in ice core from the Norwegian-U.S. Scientific Traverse of East Antarctica. The traverse traveled from the Norwegian Troll Station near ...


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