| 185 Titles Match Your Query |
Showing 1 through 50 of 185
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1.
Development of a mathematical model for both solute transport in snow and isotopic evolution of snowmelt [KPDC_DMMSIES_2012]
Chemical and isotopic variations of snowmelt provide important clues for understanding snowmelt processes and the timing and contribution of snowmelt to catchment or watershed in spring. The newly ...
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2.
Validations of a numerical model of solute transport in a snowpack [KPDC_VNMST_2012]
Snowmelt from seasonal snow covers can be significant in many environments of northern and alpine areas. Water flow and chemical transport resulting from snowmelt have been studied for an understanding ...
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3.
CACHE-CEFAC: Chemical Exchange and Feedbacks between the Atmosphere and Cryosphere [GB-NERC-BAS-PDC-00508]
We will conduct year-round atmospheric chemistry measurements at Halley of key oxidants (OH, HO2, NO, O3, CO, Js), to study the role of the snowpack in determining the oxidant system. This will be ...
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4.
US ITASE-99-1 ice core (Research Funded by NSF OPP) [US_ITASE-99-1]
PARENT DIF
Sub-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) ...
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5.
Nitrate profiles in snow on sea-ice collected during SIPEX II [SIPEX_II_Nitrate]
PARENT DIF
This dataset contains measurements of nitrate in snow on the sea-ice. These vertical nitrate profiles were collected from snow pits that were dug at each ice station during the SIPEX II voyage in ...
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6.
Ice shelf - ocean interaction in the cavity beneath the Amery Ice Shelf [ASAC_1164]
CHILD DIFs
---- Public Summary from Project ----
Most of the snow falling on inland Antarctica drains via large ice streams and floating ice shelves to the sea where it lost by iceberg calving or as melt beneath ...
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7.
Self-consistent Ice Dynamics, Accumulation, Delta-age, and Interpolation of Sparse Age Data using an Inverse Approach [waddington_0636997]
We 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. ...
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8.
Hypothesized Climate Forcing Time Series for the Last 500 Years [NOAA_NGDC_PALEO_CLIMATEFORCING]
[from NOAA/NCDC/WDC Paleoclimatology]
A new compilation of annually resolved time series of atmospheric
trace gas concentrations, solar irradiance, tropospheric aerosol
optical ...
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9.
Historical CO2 Record from the Vostok Ice Core in CDIAC [CDIAC_CO2_VOSTOK_ICECORE]
Atmospheric 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, ...
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10.
Amery Ice Shelf - hot water drill borehole, 2003-04 - AM01b - video footage [ASAC_1164_AM01b_video]
PARENT DIF
AM01b borehole drilled mid-December 2003.
Profiling measurements conducted over a period of a few days.
Video recording of borehole walls and sea floor benthos.
Sediment sample collected from sea ...
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11.
Determination of trace elements and Rare earth elements in the EPICA-Dome C ice core [KPDC_DTEREE_EPICA_2011]
We reconstruct the longest ice core records of the past atmospheric environmental changes by extending the previous records back to 800 kyr BP from EPICA(European Project for Ice Coring in Antarctica ...
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12.
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 ...
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13.
Sulfate-Based Volcanic Record from South Pole Ice Core [NSIDC-0215]
This 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 ...
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14.
Biogenic Sulfur in the Siple Dome Ice Core [NSIDC-0201]
This data set is a continuous, high-resolution record of biogenic sulfur (methanesulfonate, known as MSA and CH3SO3-) in the 1000 m deep Siple Dome A (SDMA) core, covering 100,000 to 20 years BP. ...
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15.
Late Holocene Climate Variability, Dry Valleys, Antarctica [NSIDC-0399]
This data set includes high-resolution ice core records from the Dry Valleys region of Antarctica, and provides interpretations of interannual to decadal-scale climate variability during the last ...
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16.
Methane Isotopes from the WAIS Divide Ice Core [NSIDC-0435]
This data set includes methane (CH4) isotope data from the West Antarctic Ice Sheet (WAIS) Divide ice core, WDC05A, in Antarctica. The data include depth, gas age, and the isotopic composition of ...
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17.
Microparticle, Conductivity, and Density Measurements from the WAIS Divide Deep Ice Core, Antarctica [NSIDC-0499]
This data set includes microparticle concentration, electrical conductivity, and density measurements from the West Antarctic Ice Sheet (WAIS) Divide deep ice core, WDC06A. Microparticle concentration ...
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18.
US International Trans-Antarctic Scientific Expedition (US ITASE) Glaciochemical Data [NSIDC-0273]
Sub-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) ...
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19.
WAIS Divide Snowpit Chemical and Isotope Measurements, Antarctica [NSIDC-0506]
This dataset includes major ion, trace element, microparticle and oxygen isotope (δ18O) data for a snowpit dug and sampled in December 2008 near the West Antarctic Ice Sheet (WAIS) Divide ice ...
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20.
Nitrogen and Oxygen Gas Isotopes in the Siple Dome and Byrd Ice Cores, Antarctica [NSIDC-0407]
PARENT DIF
This data set consists of Gas-isotopic data from the Siple Dome and and Greenland Ice Sheet Project 2 (GISP2) ice cores covering roughly the last 100,000 years (100 ka), consisting of d15N (15N/14N) ...
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21.
Sea Ice Mass Balance in the Antarctic - Ice Cores Physics and Biogeochemistry [SIMBA_Ice_Cores_Physics_and_Biogeochemistry]
PARENT DIF
The data supports modeling efforts involving the development of a new sea ice biogeochemical model (SIMCO). Its parameterization relies on the results obtained during process studies such as Arise ...
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22.
Air sampling and analysis from Antarctic firn and ice [ASAC_1004]
Air from the ice and firn (compressed snow) of the Antarctic ice sheet will be extracted and measured for atmospheric composition in the past. Gases of interest are greenhouse gases (carbon dioxide, ...
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23.
NITEDC: Series of snow pits at Dome C for nitrate isotopic analysis [1011_7_IPEV_FR]
Snow pits samples around 5 km SSW of the Concordia station at cm resolution for nitrate isotope analysis. 48 snow pits of 50cm deep covering the summer 2009/2010 season, collected weekly, radiation ...
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24.
NITEDC: Surface snow nitrate concentration and oxygen and nitrogen isotopic ratio measurements from 2008-02-01 to 2009-01-26 at Concordia station (Antarctica) [1011_6_IPEV_FR]
This dataset presents the concentration and oxygen and nitrogen isotopic ratio measurements of nitrate contained in the the first millimeter of Concordia (Antarctica) surface snow. Snow was scrapped ...
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25.
NITEDC: Winter snow pits for nitrate concentration and oxygen and nitrogen isotopic ratio measurements collected during the winterover 2008/2009/2010. [1011_5_IPEV_FR]
This dataset presents the concentration and oxygen and nitrogen isotopic ratio profile of snow nitrate collected during the winterover 2008 at the Concordia station (Antarctica). Depth resolution ...
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26.
SUNNITEDC: 6 shallow ice core drilled of 100 m each [1011_8_IPEV_FR]
Collection of 6 shallow ice cores of 100 m deep for extraction of 10Be and volcanic events in order to reconstruct the sun and volcanic forcing.
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27.
NITEDC: nitrate concentration and isotopic composition of a 6m snow pit collected at Dome C (East inland Antarctica) in 2004. [1011_1_IPEV_FR]
This database presents the concentration in ppbw and isotopic ratios of O and N (in permil with respect to SMOW reference for oxygen isotopes and air-N2 for nitrogen isotopes) of snow collected in ...
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28.
Amery Ice Shelf - hot water drill borehole, 2009-11 - AM05 caliper data [ASAC_1164_AM05_caliper]
PARENT DIF
AM05 borehole drilled December 2009.
Profiling measurements conducted to test borehole diameter integrity.
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29.
Amery Ice Shelf - hot water drill borehole, 2010-11 - AM06 caliper data [ASAC_1164_AM06_caliper]
PARENT DIF
AM06 borehole drilled January 2010.
Profiling measurements conducted to test borehole diameter integrity.
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30.
Amery Ice Shelf - hot water drill borehole, AM03 Brancker thermistor data [ASAC_1164_AM03_Brancker]
PARENT DIF
AM03 borehole drilled December 2005.
Partial annual data retrieved for 2006, and 2007.
Consult Readme file for detail of data files and formats.
Dataset was updated on 2011-12-01 to include 2011 ...
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31.
Amery Ice Shelf - hot water drill borehole, AM04 Brancker thermistor data [ASAC_1164_AM04_Brancker]
PARENT DIF
AM04 borehole drilled January 2006.
Annual data retrieved for 2006, and 2007.
Consult Readme file for detail of data files and formats.
New data for 2011 was added in November of 2011.
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32.
Constructing an Ultra-high Resolution Atmospheric Methane Record for the Last 140,000 Years from WAIS Divide Core [NSIDC-0509]
A 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) ...
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33.
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.
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34.
Microparticle/Tephra Analysis of the WAIS Divide Ice Core, Antarctica [kreutz_0636740]
This 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 ...
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35.
SGER - ยต-Raman Analysis of Ice-Core Samples [barletta_0828786]
Analysis 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 ...
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36.
GISP2 (B and D Core) Methane Concentrations [NSIDC-0125]
The 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. ...
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37.
2008 South Pole Firn Air Methane Isotopes [sowers_0739491]
This project will involve the measurement of methane and other trace gases in firn air collected at South Pole, Antarctica. The analyses will include: methane isotopes, light non-methane hydrocarbons ...
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38.
South Pole Snow Pit, 1988 and 1989 [NSIDC-0086]
Information from 6-meter snow pits dug close to the South Pole in austral summer 1988-1989 by the Glacier Research Group of the University of New Hampshire (location - 38 km on grid 90 from South ...
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39.
Concentration and Isotopic Composition of O2 and N2 in Trapped Gases of the Vostok Ice Core [NSIDC-0107]
These 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 ...
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40.
Newall Glacier Snow Pit and Ice Core, 1987 to 1989 [NSIDC-0088]
Snow pit and ice core data from the Newall Glacier (location - 162 30' East, 77 35' South) were collected during 1987 and 1988. These include information on chemistry, Beta profiles and stratigraphy. ...
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41.
Siple Dome Core Date from Measurement of the d18O of Paleoatmospheric Oxygen [NSIDC-0123]
This 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. ...
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42.
Siple Dome Methane Record [NSIDC-0124]
This 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 ...
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43.
Snow-atmosphere Transfer Function for Reversibly Deposited Chemical Species in West Antarctica [NSIDC-0122]
This 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. ...
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44.
WAISCORES: Deep Ice Coring in West Antarctica [NSIDC-0120]
The WAISCORES project is part of the National Science Foundation Office of Polar Programs' West Antarctic Ice Sheet (WAIS) initiative, which is aimed at understanding the influence of the West Antarctic ...
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45.
Dominion Range Snow Pit and Ice Core, 1984 and 1985 [NSIDC-0087]
Information 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 ...
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46.
Roosevelt Island Ice Core Density and Beta Count Data [NSIDC-0139]
This data set measures the radioactive decay of nuclear material from Northern and Southern hemisphere nuclear testing. Firn cores were taken from three locations on Roosevelt Island, an ice dome ...
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47.
Siple Dome Cores Electrical Measurement Data [NSIDC-0133]
This 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 ...
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48.
Siple Dome Highlights: Stable isotopes [NSIDC-0134]
This 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 ...
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49.
Siple Shallow Core Density Data [NSIDC-0129]
This 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 ...
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50.
Taylor Dome Ice Core Data [NSIDC-0132]
The collection site is Taylor Dome, an ice-accumulation area on the East Antarctic ice sheet. The dome is a ridge about 20 x 80 km, which lies inland of the Transantarctic Mountains. Deep drilling ...
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Showing 1 through 50 of 185
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