Global Change Master Directorygsfc-gcmduso@mail.nasa.gov502013-05-24T06:03:29ZGCMD Search: [Keyword='Ice Core']http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 125 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00509CACHE-DRAM: DRivers and AMplifiers of late Quaternary climate change2013-03-29T04:00:00ZIce core records provide highly detailed records of how different components of the climate system have behaved in the past. DRAM will make use of these and other data to pin down the main forcings ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]LD2012-d18O-Native-ageAnnual Mean Water Isotope (d18O) Record for the "DSS" Law Dome Ice Core112.81,-66.77,112.81,-66.770174-01-01T00:00:00Z2007-12-31T00:00:00Z2013-02-06T05:00:00ZThe 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 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]US_ITASE-99-1US ITASE-99-1 ice core (Research Funded by NSF OPP)-122.63,-80.62,-122.63,-80.621713-01-01T00:00:00Z2000-12-31T00:00:00Z2013-01-24T05:00:00ZSub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Byrd-SipleDome-CO2-GICC05Byrd and Siple Dome CO2 data on the GICC05 timescale (9--21 ka)119.5167,-80.0167,119.5167,-80.0167148.8167,-81.6667,148.8167,-81.66672012-07-22T00:00:00Z2012-07-22T00:00:00Z2013-01-08T05:00:00ZAntarctic ice cores provide clear evidence of a close coupling between variations in Antarctic temperature and the atmospheric concentration of CO2 during the glacial/interglacial cycles of at least ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]cuffey_0537661Collaborative Research: Stable Isotopes of Ice in the WAIS Divide Deep Ice Core-112.08,-79.47,-112.08,-79.472012-11-13T05:00:00ZThis 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 analyze a continuous ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]summer_sea_salt_1000-2009Annualized Summer Sea Salt From the Law Dome Ice Core Chemistry Record, 1000-2009112.8,-66.77,112.8,-66.771987-01-01T00:00:00Z2010-12-31T00:00:00Z2012-10-10T04:00:00ZThis 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, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_757Ice core paleoclimatology112.75,-66.75,112.85,-66.651994-01-01T00:00:00ZT00:00:00Z2012-09-20T04:00:00ZPrediction of future climate change requires knowledge of past changes. Polar snow forms an archive of environmental conditions that is accessible by drilling and analysing ice cores. This project ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]pettit_0940650Collaborative Research: Anisotropy, Abrupt Climate Change, and the Deep Ice in West Antarctica-165.0,-85.0,-105.0,-75.02012-09-12T04:00:00ZThis 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 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]waddington_0636997Self-consistent Ice Dynamics, Accumulation, Delta-age, and Interpolation of Sparse Age Data using an Inverse Approach2012-09-06T04:00:00ZWe provide a the synthetic, sparse depth-age data generated using a 1-d ice-flow model. The age data include red noise to simulate real depth-age data.
The inferred depth-age data profile are included. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]waddington_0636996Anisotropy, Abrupt Climate Change, and the Deep Ice in West Antarctica-165.0,-85.0,-105.0,-75.02012-09-04T04:00:00ZThis record includes two datasets and accompanying code.
The anisotropic flow dataset provides velocity and fabric evolution of anisotropic ice for several numerical experiments. The experiments ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDIAC_CO2_VOSTOK_ICECOREHistorical CO2 Record from the Vostok Ice Core in CDIAC107.0,-79.0,107.0,-79.02012-08-29T04:00:00ZAtmospheric concentrations of carbon dioxide (CO2) have been derived
from ice cores in Antarctica. In January 1998, the collaborative
ice-drilling project between Russia, the United States, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]alley_0539578Physical Properties of the WAIS Divide Deep Core112.1166,-79.4666,112.1166,-79.46662012-08-22T04:00:00ZThis award supports a five-year collaborative project to study the physical-properties of the planned deep ice core and the temperature of the ice in the divide region of the West Antarctic Ice Sheet. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dunbar_0636767Collaborative Research: Microparticle/tephra analysis of the WAIS Divide ice core112.11666,-79.46666,112.11666,-79.466662007-07-01T00:00:00Z2012-06-30T00:00:00Z2012-08-01T04:00:00ZVisible 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 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]law_dome_700yr_na700 Year Record of Winter Sodium Concentrations (May June July averages) from Law Dome112.806946,-66.76972,112.806946,-66.769721301-01-01T00:00:00Z1995-12-31T00:00:00Z2012-07-23T04:00:00ZThis file is a 700 year record of winter sodium concentrations (May June July averages) from Law Dome. This was calculated by dividing each annual cycle into 12 even time bins (nominally months) and ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]taylor_0440819Investigation of the Stratigraphy and Time Scale of the WAIS Divide Ice Core Using Electrical Methods112.1,-79.46667,112.1,-79.466672012-07-12T04:00:00ZThis award supports a project that is part of the West Antarctic Ice Sheet Divide (WAIS Divide) program; which is a multi-disciplinary multi-institutional program to investigate the causes of natural ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]price_0738658Climatology, Meteorology, and Microbial Metabolism in Ice with Dust Loggers and Fluorimetry112.1125,-79.4638,112.1125,-79.46382012-06-29T04:00:00ZThis award supports a project to use two new scanning fluorimeters to map microbial concentrations vs depth in the WAIS Divide ice core as portions of it become available at NICL, and selected portions ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]das_0632031IPY: Collaborative Proposal: Constraining the Mass-Balance Deficit of the Amundsen Coast's Glaciers2012-06-22T04:00:00ZThis award supports a project to gather data to better understand the mass balance of the West Antarctic Ice Sheet focusing on the Pine Island and Thwaites Glaciers along the Amundsen Sea coast. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]saltzman_0636953Methyl Chloride, Methyl Bromide, and Carbonyl Sulfide in Deep Antarctic Ice Cores119.51667,-80.01667,119.51667,-80.01667106.8,-72.46667,106.8,-72.46667148.8,-81.664,148.8,-81.664158.0,-74.666,158.0,-74.6662012-06-19T04:00:00ZThis award supports a project to measure methyl chloride, methyl bromide, and carbonyl sulfide in air extracted from Antarctic ice cores.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]brook_0739766Atmospheric CO2 over the last 1000 years: A record from the WAIS Divide ice core-112.08,-79.47,-112.08,-79.472007-03-01T00:00:00Z2010-02-25T00:00:00Z2012-05-31T04:00:00ZThese 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.
http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0436Microstructural Location and Composition of Impurities in Polar Ice Cores-119.51667,-80.01667,-119.51667,-80.01667106.8,-72.46667,106.8,-72.46667-38.466667,72.583336,-38.466667,72.5833361999-01-01T00:00:00Z2005-12-30T00:00:00Z2012-05-15T04:00:00ZThis data set contains measurements of impurities and ions in three polar ice cores: the Vostok 5G ice core and the Byrd ice core from Antarctica, and the Greenland Ice Sheet Project 2 (GISP2) D core. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0215Sulfate-Based Volcanic Record from South Pole Ice Core0.0,-90.0,0.0,-90.02012-05-15T04:00:00ZThis data set contains concentrations of soluble chemical species (ions) within a 120 m ice core retrieved at the South Pole station in 2001. The ice core was dated with annual resolution using annual ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0310Carbon-13 Isotopic Composition of Atmospheric Methane in Firn Air, South Pole and Siple Dome, Antarctica-148.3023,-81.403,-148.3023,-81.4031995-01-01T00:00:00Z1995-01-31T00:00:00Z2001-01-01T00:00:00Z2001-01-31T00:00:00Z2012-05-14T04:00:00ZThis data set includes records of the delta carbon-13 (?13C) of methane (CH4) in firn air from the South Pole and trapped in bubbles in a short ice core from Siple Dome, Antarctica. Using two firn ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0412Gases in Firn Air and Shallow Ice at the WAIS Drilling Site, Antarctica112.09,-79.47,112.09,-79.472006-11-01T00:00:00Z2007-02-01T00:00:00Z2012-05-14T04:00:00ZThis data set contains trace gas measurements of air extracted from ice core samples from the West Antarctic Ice Sheet Divide A core (WAIS-D 05A). The WAIS A core was dry-drilled at the WAIS site ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0493Methane Concentration and Chronology from the WAIS Divide Ice Core (WDC05A)112.09,-79.47,112.09,-79.472012-05-14T04:00:00ZThis data set provides a high-precision and high-resolution record of atmospheric methane from the West Antarctic Ice Sheet (WAIS) Divide ice core WDC05A, spanning the years 1000 to 1800 C.E. The ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0440Methane Measurements from the GISP2 and Siple Dome Ice Cores-148.81,-81.65,-148.81,-81.65-38.466667,73.583336,-38.466667,73.5833362007-01-01T00:00:00Z2009-12-31T00:00:00Z2012-05-14T04:00:00ZThis data set contains methane measurements made in trapped air in the Holocene sections of two ice cores: the Siple Dome ice core in Antarctica, and the Greenland Ice Sheet Project 2 (GISP2) ice ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0499Microparticle, Conductivity, and Density Measurements from the WAIS Divide Deep Ice Core, Antarctica-112.08833,-79.48278,-112.08833,-79.48278112.08833,-79.48278,112.08833,-79.482782006-01-01T00:00:00Z2006-12-31T00:00:00Z2012-05-14T04:00:00ZThis data set includes microparticle concentration, electrical conductivity, and density measurements from the West Antarctic Ice Sheet (WAIS) Divide deep ice core, WDC06A. Microparticle concentration ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0479Multiple Isotope Analysis of Sulfate in the West Antarctic Ice Sheet Divide Ice Core-114.21667,-78.916664,-114.21667,-78.9166642005-01-01T00:00:00Z2005-12-31T00:00:00Z2012-05-14T04:00:00ZThis data set contains measurements of multiple sulfur and oxygen isotopes from sulfates, from an ice core drilled at the West Antarctic Ice Sheet (WAIS) Divide site in 2005. The initial sulfate measurements, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0311Trapped Gas Composition and Chronology of the Vostok Ice Core-106.8,-72.4667,-106.8,-72.46672003-09-01T00:00:00Z2006-06-30T00:00:00Z2012-05-14T04:00:00ZThis data set includes a time scale for the Vostok ice core, retrieved from Vostok Station on the East Antarctic Plateau. This chronology is derived by orbitally tuning to molecular oxygen to nitrogen ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0375WAIS Divide Ice Core Images, Antarctica-112.083336,-79.46667,-112.083336,-79.466672006-01-01T00:00:00Z2007-12-30T00:00:00Z2012-05-14T04:00:00ZThis data set is comprised of optical images of ice core sections, acquired with a digital line-scan camera in the cold room facility at the U.S. National Ice Core Laboratory (NICL). Ice core sections ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS113Data Correlating the Shallow GISP2 Dust Profile with the Wolf Sunspot Number Series-38.5,72.58361,-38.5,72.583611752-01-01T00:00:00Z1988-12-31T00:00:00Z2012-05-11T04:00:00ZThese data were collected for a research project that utilized the Greenland Ice Sheet Project 2 (GISP2) ice core. The project sought evidence of an 11-year sunspot cycle and whether the cycle correlated ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS137GISP2 Stable Isotopes (Deuterium, Deuterium Excess, and Oxygen)-38.0,72.0,-38.0,72.01995-08-01T00:00:00Z1995-09-30T00:00:00Z2012-05-11T04:00:00ZThe data compiled here consist of GISP2 deuterium, deuterium excess, and oxygen isotope values measured at the Stable Isotope Laboratory, Institute of Arctic and Alpine Research (INSTAAR), University ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS041Thickness, Salinity and Stable Isotope Composition of Sea Ice Samples from the Laptev Sea, 1999124.9043,72.5893,131.6967,75.07451999-04-01T00:00:00Z1999-05-31T00:00:00Z2012-05-11T04:00:00ZThis data set consists of sea ice measurements including thickness, salinity, and stable isotope composition from the Laptev Sea. The data were obtained during the Transdrift VI expedition to the ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3064High resolution studies of cosmogenic beryllium isotopes (10Be and 7Be) at Law Dome112.81,-66.75,112.85,-66.712008-09-30T00:00:00Z2009-03-31T00:00:00Z2012-05-03T04:00:00ZMetadata record for data from AAS (ASAC) Project 3064.
Public
10Be and 7Be are naturally-occurring radioactive isotopes produced in the Earth's atmosphere and surface by cosmic rays, at a rate controlled ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2518Effect of Global Change on the Primary Production of Antarctic coastal Ecosystems110.3,-66.5,110.8,-66.02004-10-19T00:00:00ZT00:00:00Z2012-05-01T04:00:00ZMetadata record for data from ASAC Project 2518
See the link below for public details on this project.
Global climate change will lead to a reduction in the duration and thickness of sea ice in coastal ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]LGB_Cor_traverseShallow ice core data: LGB traverses 1989-9554.0,-77.0,78.0,-69.01989-11-01T00:00:00Z1995-02-28T00:00:00Z2012-04-27T04:00:00ZThe Lambert Glacier Basin (LGB) series of five oversnow traverses were conducted from 1989-95. Several shallow depth ice cores (15-60 m) were drilled at selected sites along 2014 km of the main traverse ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]trace_metalsIron, manganese and aluminium in East Antarctic snow and ice cores75.0,-76.0,180.0,-65.01994-09-21T00:00:00Z1998-03-31T00:00:00Z2012-01-13T05:00:00ZIron, manganese and aluminium concentrations have been determined in modern and ancient East Antarctic snow from sea-ice and continental sites. Modern snow samples were collected from sites in Prydz ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1224Amery shallow ice coring71.0,-69.0,72.5,-68.92000-09-30T00:00:00Z2005-03-31T00:00:00Z2011-12-08T05:00:00ZMetadata record for data from ASAC Project 1224
See the link below for public details on this project.
---- Public Summary from Project ----
Ice core drilling is used to extract information from glacial ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0509Constructing an Ultra-high Resolution Atmospheric Methane Record for the Last 140,000 Years from WAIS Divide Core112.09,-79.47,112.09,-79.472011-11-22T05:00:00ZA high-resolution (every 50 yr) methane data set that will play a pivotal role in developing the timescale for the new deep ice core being drilled at the West Antarctic Ice Sheet Divide (WAIS Divde) ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Sowers_0538538Collaborative Research: Constructing an Ultra-high Resolution Atmospheric Methane Record for the Last 140,000 Years from WAIS Divide Core1888-01-01T00:00:00ZT00:00:00Z2011-11-09T05:00:00ZThis award supports a project to develop a high-resolution (every 50 yr) methane data set.http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]air_methane_lawdomeDated Readings For Air Composition And Methane From Law Dome Ice Core112.8,-66.771,112.81,-66.771988-01-01T00:00:00Z1993-12-31T00:00:00Z2011-10-11T04:00:00ZThis work was completed as part of ASAC project 757 (ASAC_757).
This file comprises three main records compiled for publication in the following:
V. Morgan, M. Delmotte, T. van Ommen, J. Jouzel, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]DSS_age_scaleDerivation of an age scale for the Law Dome core - ice cores taken between 1987 and 1993112.8069,-66.7697,112.8069,-66.76971987-12-01T00:00:00Z2002-08-02T00:00:00Z2011-10-11T04:00:00ZRecords of methane, and oxygen isotopes (ice and air) for Law Dome DSS (Dome Summit South) core through the last deglaciation (9000-19000 before present).
Data are obtained from the entire DSS core, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]kreutz_0636740Microparticle/Tephra Analysis of the WAIS Divide Ice Core, Antarctica112.083336,-79.46667,112.083336,-79.466670000-01-01T00:00:00Z2006-01-01T00:00:00Z2011-09-19T04:00:00ZThis award supports a project to perform continuous microparticle concentration and size distribution measurements (using coulter counter and state-of-the-art laser detector methods), analysis of ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]barletta_0828786SGER - ยต-Raman Analysis of Ice-Core Samples-162.5,-77.61667,-162.5,-77.61667-166.16667,-85.25,-166.16667,-85.25-159.51,-77.12,-159.51,-77.12135.13,-76.05,135.13,-76.0538.466667,72.583336,38.466667,72.5833362011-09-12T04:00:00ZAnalysis of material preserved in glaciers and ice-sheets can provide a window into the climatological and environmental history of our planet. Current analytical methodology involves sectioning of ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0125GISP2 (B and D Core) Methane Concentrations-149.0,-81.0,-149.0,-81.01996-01-01T00:00:00Z1999-12-31T00:00:00Z2011-08-26T04:00:00ZThe data include methane data from the Greenland Ice Sheet Project 2 (GISP2) B & D Cores. Gas ages were calculated according to the methods described in Brook et al. 1996, and are subject to change. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0107Concentration and Isotopic Composition of O2 and N2 in Trapped Gases of the Vostok Ice Core106.48,-72.28,106.48,-72.282011-07-28T04:00:00ZThese data describe the d18O of O2, d15N of N2, d18Oatm, and O2/N2 ratios of trapped gases in the Vostok ice core from East Antarctica. The investigator used a mass spectrometer to measure gas concentrations ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0089Dronning Maud Land, Antarctica, Ice Core, 1991 and 199265.0,-75.0,65.0,-75.01991-11-01T00:00:00Z1992-01-31T00:00:00Z2011-07-28T04:00:00ZMajor ion concentration values (Na, Mg, Ca, Cl, NO3, SO4, MSA) were analyzed from a 20-meter ice core drilled in Dronning Maud Land, Antarctica (location - 65 01' East, 75 00' South, elevation - 2,900 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0123Siple Dome Core Date from Measurement of the d18O of Paleoatmospheric Oxygen-149.0,-81.0,-149.0,-81.01996-01-01T00:00:00Z1999-12-31T00:00:00Z2011-07-28T04:00:00ZThis data set is part of the West Antarctic Ice Sheet Cores (WAISCORES) project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0124Siple Dome Methane Record-149.0,-81.0,-149.0,-81.01996-01-01T00:00:00Z1999-12-31T00:00:00Z2011-07-28T04:00:00ZThis data set is part of the WAISCORES project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. WAISCORES researchers acquired and ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0108Carbon-Isotopic Composition of Atmospheric CO2 since the Last Glacial Maximum158.71,-77.8,158.71,-77.82011-07-26T04:00:00ZThese data describe the concentration and carbon-isotopic composition (d13CO2) of atmospheric CO2 from air trapped in ice between 27,000 and 1,300 years before present from Taylor Dome, Antarctica. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSIDC-0087Dominion Range Snow Pit and Ice Core, 1984 and 1985166.0,-85.0,166.0,-85.01984-11-01T00:00:00Z1985-01-31T00:00:00Z2011-07-25T04:00:00ZInformation from snow pits and an ice core were collected at Dominion Range (location - 166 10' East, 85 15' South, elevation - 2,700m) in 1984-1985. The 6 meter snow pit was dug and sampled in 1984-1985 ...