Site 

Data type 

Description

NEEM

Annual resolution δ18O from shallow cores and pits

Annual δ18O data from selected shallow ice cores and pits located at NEEM, Greenland (Masson-Delmotte, Steen-Larsen et al., The Cryosphere, 2015)

NEEM_ShallowCore_Pit_Annual_d18O.xlsx

EastGRIP, Greenland

Timescale, Acidity, Conductivity, Permittivity, Match points to NGRIP

EGRIP chronology for over the Holocene and last glacial termination (15 ka). Details can be found in the accompanying paper: Mojtabavi, et al. (2020): A first chronology for the East GReenland Ice-core Project (EGRIP) over the Holocene and last glacial termination. Climate of the Past, 16, 2359-2380, doi: 10.5194/cp-16-2359-2020.

EGRIP_age_scale.tab (Interpolated time scale for the ice with GICC05 ages for each bag depth (0.55 m segments) of the EGRIP core in the 13.7 - 1383.8 m depth interval).

EGRIP_acidity.tab (Acidity measured with the Electrical Conductivity Method (ECM) on the EGRIP ice core (down to 1383.84 m depth), converted to hydrogen ion concentration).

EGRIP_permittivity.tab (Permittivity measured with the dielectric profiling (DEP) technique on the EGRIP ice core, 13.77-1383.84 m depth).

EGRIP_conductivity.tab (Specific conductivity measured with the dielectric profiling (DEP) technique on the EGRIP ice core, 13.77-1383.84 m depth).

EGRIP-NGRIP1.tab Match points between the EGRIP core and the NGRIP1 core and corresponding GICC05 ages).

EGRIP-NGRIP2.tab (Match points between the EGRIP core and the NGRIP1 core and corresponding GICC05 ages).

Renland, Greenland

Timescale, Dust record, Associated measurements

RECAP ice core timescale and dust record. Associated measurements of gas (CH4, d15N, d18Oatm) in RECAP ice and Sr/Nd isotopes in East Greenland sediments and rock samples. Data accompanies the paper by Simonsen, et al., East Greenland ice core dust record reveals timing of Greenland ice sheet advance and retreat, Nature Communications, 2019. doi: 10.1038/s41467-019-12546-2.

RECAP_TimeScale_0_121ka_010318.xlsx

RECAP_CH4_15N_18Oatm_time_scale.xlsx

Greenland_SrNd_Isotope_Data.xlsx

RECAP_dust_record.xlsx

RECAP_dust_size_distributions.xlsx

RECAP_Dust_Abakus_CoulterCounter.xlsx

Renland, Greenland

Seasonal δ18O values with respect to age

Summer, winter and annually averaged δ18O data (1801-2015 CE) for three ice cores drilled on Renland (RECAP and Renland 1988 campaigns). The data sheet contain both individual core data and a stacked record. Details can be found in the accompanying paper: Holme, C., Gkinis, V., Lanzky, M., Morris, V., Olesen, M., Thayer, A., Vaughn, B. H., and Vinther, B. M.: Varying regional δ18O–temperature relationship in high resolution stable water isotopes from east Greenland, Climate of the Past, https://doi.org/10.5194/cp-2018-169, 2019.

Renland_annualized_d18O_data.xlsx

RICE, Antarctica

Timescale and accumulation history

Annually resolved timescale and snow accumulation record for the past 2,700 years derived from the RICE ice core, Roosevelt Island, Antarctica.

RICE_2700-year_timescale_and_accumulation.xlsx

Abakus instrument

Supplementary data

Supplementary data for the paper "Particle shape accounts for instrumental discrepancy in ice core
dust size distributions" by Marius Folden Simonsen, Llorenç Cremonesi,
Giovanni Baccolo, Samuel Bosch, Barbara Delmonte, Tobias Erhardt, Helle Astrid
Kjær, Marco Potenza, Anders Svensson, and Paul Vallelonga. 

Published in Climate of the Past.

Doi:10.5194/cp-14-601-2018

Abakus_data.zip

NGRIP

δ¹⁸O values and dust concentrations

The dataset provides NGRIP δ¹⁸O
values, dust concentrations, and GICC05 ages in 5cm depth resolution for the
period 0-60 ka (δ¹⁸O) and 10-60 ka (dust).

The dataset accompany the following papers:

NGRIP members, Nature, 431, 147-151, 2004.  DOI: 10.1038/nature02805

Gkinis et al., Earth Planet. Sci. Lett., 405, 132-141, 2014.  DOI:
10.1016/j.epsl.2014.08.022

Ruth et al., J. Geophys. Res., 108, 4098, 2003. DOI: 4010.1029/2002JD002376

NGRIP_d180_and_dust_5cm.xls

NEEM, NGRIP and North Central Greenland

Accumulation rates in 100yr averages 1311-2011
reconstructed from air-borne radar data.

The data presented in the paper by Karlsson et al., 2016, Frontiers in Earth Science.

The files contain accumulation rates in 100yr averages 1311-2011, the age of the traced radar layers and their two-way traveltime.

acc_rates.txt
layer_ages.txt
traced_layer_TWT.txt

NEEM

Methane date measured in the field along the NEEM core in 2010.

These data files accompany the following paper: Chappellaz, J., C. Stowasser, T. Blunier, D. Baslev-Clausen, E. J. Brook, R. Dallmayr, X. Faïn, J. E. Lee, L. E. Mitchell, O. Pascual, D. Romanini, J. Rosen, and S. Schüpbach (2013), High-resolution glacial and deglacial record of atmospheric methane... 

Details about the data can be found in the description file “NEEM continuous methane data obtained during the 2010 field season.pdf”. Please consult the detailed data description before using the data.
The data is given in the full data resolution for the two spectrometers used during the field measurements. Data is given as raw, uncelebrated data, filtered data and filtered calibrated data.

NEEM2010_CH4_WS-CRDS_cont.zip
NEEM2010_CH4_OF-CEAS_cont.zip

Mean data over depth intervals for both analyzers
NEEM2010_CH4_OF-CEAS_mean.txt
NEEM2010_CH4_WS-CRDS_mean.txt

Mean data over common depth intervals for both analyzers.
NEEM2010_CH4_OF-CEAS_WS-CRDS_SameSectionMean.txt

GISP2, GRIP and NGRIP

GICC05modelext timescale for the gas and ice phase of the GISP2 and GRIP ice cores (0-104 ka b2k) and various data series

A mirrored version of the xlsx file and a raw text version are available from WDC Paleo.

This data file accompanies the following two papers:

Seierstad et al. (2014):
Consistently dated records from the Greenland GRIP, GISP2 and NGRIP ice cores for the past 104 ka reveal regional millennial-scale δ¹⁸O gradients with possible Heinrich event imprint.
doi:10.1016/j.quascirev.2014.10.032

Rasmussen et al. (2014):
A stratigraphic framework for abrupt climatic changes during the Last Glacial period based on three synchronized Greenland ice-core records: refining and extending the INTIMATE event stratigraphy.
doi:10.1016/j.quascirev.2014.09.007

Download an Excel version of Table 2 of this paper

The data file (xlsx format) contains
-    Match points between the GRIP, GISP2, NGRIP1 and NGRIP2 cores.
-    NGRIP, GRIP and GISP2 δ¹⁸O and calcium concentration resampled to 20 yrs and 50 yrs resolution on the GICC05modelext timescale.
-    GRIP δ¹⁸O resampled to 0.55 m ("bag") resolution on the GICC05modelext timescale.
-    A GICC05modelext depth-age scale to be used with publicly available GISP2 ion concentration data.
-    GRIP and GISP2 GICC05modelext gas timescale.
-    Compilations of GRIP and GISP2 CH₄ concentration and δ¹⁵N of N₂ on the GICC05modelext gas timescale.

NEEM

GICC05modelext-NEEM-1 time scale for the NEEM core and supporting information

A mirrored version of the xls file and a raw text version is available from WDC Paleo.

Data file released with the paper by Rasmussen et al., 2013: "A first chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core".

The data file (xls format) includes:
- Match points used for the time scale transfer NGRIP->NEEM
- Time scale resampled to 0.55 m ("bag") resolution and associated gas ages
- Modelled total strain and accumulation in 0.55 m resolution
- Combined accumulation reconstruction

Data released with the paper by Rasmussen et al., 2013: "A first chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core".
- NEEM DEP data (text file)
- NEEM ECM data (text file)
- NGRIP DEP data (text file)
- NGRIP ECM data (text file)
Files are mirrowed at WDC Paleo.

Data released with the paper by Guillevic et al., 2013: "Spatial gradients of temperature, accumulation and δ¹⁸O-ice in Greenland over a series of Dansgaard–Oeschger events".

Data (text file) - mirrowed at WDC Paleo.

Data as presented in the paper Eemian interglacial reconstructed from a
Greenland folded ice core.

NGRIP Dust content (particles per mL) covering the period 10.3-107.6 ka b2k.

Time scale: GICC05 (to 60.2 ka b2k) and GICC05modelext (older than 60.2 ka b2k).

Data txt file.

Further info and references inside data file.

The depth of the Bølling-Allerød transition in North Greenland located in radio-echo sounding data, as described in Karlsson et al., Annals of Glaciology, 2013. 
(Data)

Greenland Ice Core Chronology 2005 (GICC05) time scale for the NGRIP ice core (down to 60 ka b2k) extended to the base of the NGRIP ice core by merging with the ss09sea06bm model time scale. The resulting time scale is called GIC05modelext.
Also supplied are 20 year means of δ¹⁸O data from NGRIP back to 123 ka b2k / 3085 m depth. (Excel / text)

Sulphate data from the NGRIP ice cores as presented in the paper by Plummer et al., Climate of the Past, 2012.

Data are supplied in original 5 cm resolution (xlsx / txt).

Seasonal δ¹⁸O data from multiple shallow ice cores located in southern and central Greenland (Excel) (Vinther et al., QSR, 2010)

The Holocene δ¹⁸O histories and temperature reconstruction. Elevation histories for Camp Century, DYE-3, GRIP and NGRIP. All data has been presented in Vinther et al., Nature, 2009.
Data in the following pdf files:
- Isotope data
- Uplift Corrected Data
- Elevation Data
- Temperature Reconstruction

High resolution δ¹⁸O data from Agassiz, DYE-3, NGRIP and Renland used in Kaufman et al., Science, 2009. The data are contained as a table in pdf files:
- 1-yr resolution data
- 5-yr resolution data