Data Announcements

AGDC Releases WAIS Divide Ice Core Vertical Thin Section Low-resolution Digital Imagery

7 March 2016

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, WAIS Divide Ice Core Vertical Thin Section Low-resolution Digital Imagery. This data set consists of a comprehensive, frame-stitched low‐resolution set of digital images of vertical thin sections of the main core (WDC 06A) from WAIS Divide.

AGDC Releases Grain Size Full Population Dataset from WDC06A Core

26 February 2016

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Grain Size Full Population Dataset from WDC06A Core. This data set contains the complete grain-size data for all analyses conducted on the vertical thin sections of the WAIS Divide Ice Core WDC06A. Complete grain-size distributions are provided here in order to address the shortcomings inherent in using only the mean values.

AGDC Releases King George and Livingston Islands: Velocities and Digital Elevation Model

18 February 2016

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, King George and Livingston Islands: Velocities and Digital Elevation Model. The data contain the time series totals of SAR derived detrended surface velocities from Livingston Island, as well as GeoTiff files generated from intensity tracking of Synthetic Aperture Radar (SAR) imagery.

AGDC Releases Ultra-trace Measurements in the WAIS Divide 06A Ice Core

15 January 2016

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Ultra-trace Measurements in the WAIS Divide 06A Ice Core. These data contain the results of gas chromatography mass spectrometry (GC-MS) analysis of 207 samples from the WAIS Divide 06A ice core. The trace gases found in the 207 samples are ethane (C2H6), propane (C3H8), n-butane (n-C4H10), carbonyl sulfide (COS), carbon disulfide (CS2), methyl chloride (CH3Cl), and methyl bromide (CH3Br).

AGDC Releases Ice Sheet Model Output, West Antarctic Ice Sheet Deglaciation

4 December 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Ice Sheet Model Output, West Antarctic Ice Sheet Deglaciation. This data set consists of Ice-sheet model output of Antarctic Ice Sheet simulations spanning 30,000 years BP to 5000+ years in the future.

 

AGDC Releases Mount Moulton Isotopes and Other Ice Core Data

2 December 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Mount Moulton Isotopes and Other Ice Core Data. These data consist of water isotope ratios from the Mt. Moulton ice-trench record, as well as data from the Taylor Dome, EPICA Dome C, Talos Dome, Vostok, and EPICA Dronning Maud Land ice cores.

 

AGDC Releases Ultra-High Resolution LA-ICP-MS Results: DO-21 Rapid Warming Event

27 October 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Ultra-High Resolution LA-ICP-MS Results: DO-21 Rapid Warming Event. These data contain the results of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) performed on an archive of the GISP2 ice core containing the rapid climate warming of Dansgaard-Oeschger Event 21.

AGDC Releases LA-ICP-MS Results: 3 Siple Dome A Glacial Age Archives

27 October 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, LA-ICP-MS Results: 3 Siple Dome A Glacial Age Archives. These data contain the results of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) performed on an archive of the Siple Dome A ice core containing the rapid climate warming of Dansgaard-Oeschger Event 21.

AGDC Releases Low-res d15N and d18O of O2 in the WAIS Divide 06A Deep Core Data Set

23 October 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Low-res d15N and d18O of O2 in the WAIS Divide 06A Deep Core. This data set is a low-resolution set of measurements of d15N of N2 and d18O of O2, along with dO2/N and dAr/N2 supporting data, in the WAIS Divide 3405 m long ice core recovered in 2011.

AGDC Releases WAIS Divide Ice Core CO2

6 October 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, WAIS Divide Ice Core CO2. These data are measurements of carbon dioxide (CO2) from the WAIS Divide Ice Core, WDC06A, Antarctica.

 

AGDC Releases Roosevelt Island Climate Evolution Ice Core ICP-MS Data

29 September 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Roosevelt Island Climate Evolution Ice Core ICP-MS Data. This data set includes three Roosevelt Island Climate Evolution (RICE) ice core samples drilled on Roosevelt Island, Ross Ice Shelf, Antarctica. The RICE elements analyzed were: Sr, Cd, Cs, Ba, La, Ce, Pr, Pb, Bi, U, As, Li, I, Al, S, Ca, Ti, V, Cr, Mn, Fe, Co, Na, Mg, Cu, Zn, and K verses depth.

AGDC Releases Whillans Ice Stream Stick-slip

17 September 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Whillans Ice Stream Stick-slip.These data contain ice velocity measurements obtained from seismic and GPS recordings during the 2010 and 2011 Antarctic field seasons.

AGDC Releases Borehole Temperatures at Pine Island Glacier, Antarctica

4 August 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Borehole Temperatures at Pine Island Glacier, Antarctica. This data set is a time series of borehole temperatures at different depths from three thermistor strings deployed in three boreholes drilled through the Pine Island Glacier ice shelf, Antarctica.

AGDC Releases Continuous, Ultra-high Resolution WAIS-Divide Ice Core Methane Record 9.8-67.2 ka BP

23 July 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Continuous, Ultra-high Resolution WAIS-Divide Ice Core Methane Record 9.8-67.2 ka BP.  This data set contains methane concentrations for the Last Glacial Period and the deglacial transition from the WAID Divide ice core. The concentrations were determined through a continuous measurement technique (Stowasser, et al. 2012).

AGDC Releases Inverted Basal Shear Stress of Antarctic and Greenland Ice Streams and Glaciers

7 July 2015

The Antarctic Glaciological Data Center (AGDC) at NSIDC is pleased to announce the release of a new data set, Inverted Basal Shear Stress of Antarctic and Greenland Ice Streams and Glaciers.  This data set includes basal shear distributions inferred from surface observations under ten selected locations in Greenland and Antarctica.