Soussaintjean, Lison; Schmitt, Jochen; Savarino, Joël; Menking, J. Andy; Brook, Edward J; Seth, Barbara; Lipenkov, Vladimir Ya; Röckmann, Thomas; Fischer, Hubertus: Bulk and position-specific isotopic composition of N2O (total and in situ) and nitrate from the EDC, EDML, Vostok, TALDICE, Taylor Glacier, and NGRIP ice cores [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.986638 (dataset in review)
Abstract:
The mixing ratio and bulk isotopic composition of nitrous oxide (N2O) was measured after wet extraction and purification of the air enclosed in 150 g ice core samples from EDC, EDML, Vostok, TALDICE, and NGRIP, following the analysis procedure described in Schmitt et al. (2014). The position-specific isotopic composition of N2O was measured after dry extraction and purification of the air enclosed in 600 g ice core samples from Vostok and Taylor Glacier, following the analysis procedure described in Menking et al. (2025). The mixing ratio and isotopic composition of in situ N2O – i.e., the fraction of N2O produced in the ice – was calculated using a mass balance approach (Soussaintjean et al., preprint). After gas extraction, the sample meltwater and ice chips were collected to measure the isotopic composition of nitrate (NO3-) following the bacterial denitrification method described in Erbland et al. (2013). Each sample was associated with its ice age and gas age based on the AICC2023 chronology (Bouchet et al., 2023) for EDC, EDML, Vostok, TALDICE, and NGRIP and Baggenstos et al. (2017, 2018) for Talyor Glacier. The samples cover the periods 11 – 26 ka, 41 – 75 ka, and 136 – 143 ka. Taylor Glacier is a horizontal core, meaning the age of the ice varies with distance along a transect close to the surface where the horizontal stratigraphy is preserved (Baggenstos et al., 2017).
Keyword(s):
Supplement to:
Soussaintjean, Lison; Schmitt, Jochen; Savarino, Joël; Menking, J. Andy; Brook, Edward J; Seth, Barbara; Lipenkov, Vladimir Ya; Röckmann, Thomas; Fischer, Hubertus (submitted): In situ production of hybrid N2O in dust-rich Antarctic ice. Biogeosciences
References:
Baggenstos, Daniel; Bauska, Thomas K; Severinghaus, Jeffrey P; Lee, James E; Schaefer, Hinrich; Buizert, Christo; Brook, Edward J; Shackleton, Sarah A; Petrenko, Vasilii V (2017): Atmospheric gas records from Taylor Glacier, Antarctica, reveal ancient ice with ages spanning the entire last glacial cycle. Climate of the Past, 13(7), 943-958, https://doi.org/10.5194/cp-13-943-2017
Baggenstos, Daniel; Severinghaus, Jeffrey P; Mulvaney, Robert; McConnell, Joseph R; Sigl, Michael; Maselli, Olivia J; Petit, Jean-Robert; Grente, Benjamin; Steig, Eric J (2018): A Horizontal Ice Core From Taylor Glacier, Its Implications for Antarctic Climate History, and an Improved Taylor Dome Ice Core Time Scale. Paleoceanography and Paleoclimatology, 33(7), 778-794, https://doi.org/10.1029/2017PA003297
Bouchet, Marie; Landais, Amaëlle; Grisart, Antoine; Parrenin, Frédéric; Prié, Frédéric; Jacob, Roxanne; Fourré, Elise; Capron, Emilie; Raynaud, Dominique; Lipenkov, Vladimir Ya; Loutre, Marie-France; Extier, Thomas; Svensson, Anders M; Martinerie, Patricia; Leuenberger, Markus Christian; Jiang, Wei; Ritterbusch, Florian; Lu, Zheng-Tian; Yang, Guo-Min (2023): The Antarctic ice core chronology (AICC2023) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.961017
Erbland, J; Vicars, W C; Savarino, Joël; Morin, Samuel; Frey, Matthias Max; Frosini, Daniele; Vince, E; Martins, Jean MF (2013): Air-snow transfer of nitrate on the East Antarctic Plateau - Part 1: Isotopic evidence for a photolytically driven dynamic equilibrium in summer. Atmospheric Chemistry and Physics, 13(13), 6403-6419, https://doi.org/10.5194/acp-13-6403-2013
Menking, James A; Lee, James E; Brook, Edward J; Schmitt, Jochen; Soussaintjean, Lison; Fischer, Hubertus; Kaiser, Jan; Rice, A (2025): Glacial-Interglacial and Millennial-Scale Changes in Nitrous Oxide Emissions Pathways and Source Regions. Global Biogeochemical Cycles, 39(5), e2024GB008287, https://doi.org/10.1029/2024GB008287
Schmitt, Jochen; Seth, Barbara; Bock, Michael; Fischer, H (2014): Online technique for isotope and mixing ratios of CH4, N2O, Xe and mixing ratios of organic trace gases on a single ice core sample. Atmospheric Measurement Techniques, 7(8), 2645-2665, https://doi.org/10.5194/amt-7-2645-2014
Funding:
Horizon 2020 (H2020), grant/award no. 955750: Research and training network on understanding Deep icE corE Proxies to Infer past antarctiC climatE dynamics (DEEPICE)
Swiss National Science Foundation (SNF), grant/award no. 200020_200328: iCEP2 - Climate and Environmental Physics: Innovation in ice core science
Coverage:
Median Latitude: -50.668342 * Median Longitude: 84.787265 * South-bound Latitude: -78.464420 * West-bound Longitude: -42.320000 * North-bound Latitude: 75.100000 * East-bound Longitude: 161.721200
Date/Time Start: 1980-01-01T00:00:00 * Date/Time End: 2014-01-15T00:00:00
Minimum DEPTH, ice/snow: 406.50 m * Maximum DEPTH, ice/snow: 2398.65 m
Event(s):
EDC (EPICA Dome C) * Latitude: -75.100000 * Longitude: 123.350000 * Date/Time Start: 1993-01-01T00:00:00 * Date/Time End: 2004-12-31T00:00:00 * Elevation: 3233.0 m * Recovery: 3300 m * Location: Dome C, Antarctica * Campaign: Dome_C * Method/Device: Ice drill (ICEDRILL) * Comment: Drill site is 56 km from the site of a previous Dome C core that provided records extending into the last glacial period, and 560 km from the site of the Vostok cores. The completion of the Dome C core was delayed when the first drilling became stuck at 788 m in 1999 (EDC96).
EDML (EPICA Dronning Maud Land, DML28C01_00) * Latitude: -75.002500 * Longitude: 0.068400 * Date/Time Start: 2001-01-10T00:00:00 * Date/Time End: 2006-01-17T00:00:00 * Elevation: 2891.7 m * Recovery: 2774.15 m * Campaign: EPICA-Campaigns * Basis: Kohnen Station * Method/Device: EPICA drill (EDRILL) * Comment: Elevation is given with reference to WGS84
NGRIP (NorthGRIP) * Latitude: 75.100000 * Longitude: -42.320000 * Date/Time: 1996-07-01T00:00:00 * Elevation: 2917.0 m * Location: Greenland * Campaign: NGRIP * Basis: Sampling/drilling ice * Method/Device: Ice drill (ICEDRILL)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Soussaintjean, Lison | |||
| 2 | DEPTH, ice/snow | Depth ice/snow | m | Soussaintjean, Lison | Geocode – top depth | |
| 3 | Sample thickness | Samp thick | cm | Soussaintjean, Lison | ||
| 4 | Distance | Distance | m | Soussaintjean, Lison | Taylor Glacier is a horizontal core, meaning the age of the ice varies with distance along a transect close to the surface where the horizontal stratigraphy is preserved (Baggenstos et al., 2017) | |
| 5 | Ice age | Ice age | ka BP | Soussaintjean, Lison | Antarctic Ice Core Chronology 2023 (AICC2023) | |
| 6 | Gas age | Gas age | ka BP | Soussaintjean, Lison | Antarctic Ice Core Chronology 2023 (AICC2023) | |
| 7 | Nitrous oxide | N2O | ppbv | Soussaintjean, Lison | Isotope ratio mass spectrometer, Elementar, IsoPrime | wet extraction; uncertainty: 3 ppb; N2O measured in ice: total N2O = atmospheric N2O + in situ N2O |
| 8 | δ15N, nitrous oxide | δ15N N2O | ‰ air | Soussaintjean, Lison | Isotope ratio mass spectrometer, Elementar, IsoPrime | wet extraction; uncertainty: 0.3 ‰; N2O measured in ice: total N2O = atmospheric N2O + in situ N2O |
| 9 | δ15N-alpha, nitrous oxide | δ15Na N2O | ‰ air | Soussaintjean, Lison | Isotope ratio mass spectrometry (IRMS), Thermo Scientific, Delta V Plus | dry extraction; uncertainty: 0.6 ‰, central N atom in N2O; N2O measured in ice: total N2O = atmospheric N2O + in situ N2O |
| 10 | δ15N-beta, nitrous oxide | δ15Nb N2O | ‰ air | Soussaintjean, Lison | Isotope ratio mass spectrometry (IRMS), Thermo Scientific, Delta V Plus | dry extraction; uncertainty: 0.8 ‰, terminal N atom in N2O; N2O measured in ice: total N2O = atmospheric N2O + in situ N2O |
| 11 | Site preference, N2O | SP N2O | ‰ | Soussaintjean, Lison | Isotope ratio mass spectrometry (IRMS), Thermo Scientific, Delta V Plus | dry extraction; uncertainty: 1.3 ‰, SP = d15N_alpha - d15N_beta; N2O measured in ice: total N2O = atmospheric N2O + in situ N2O |
| 12 | δ18O, nitrous oxide | δ18O N2O | ‰ SMOW | Soussaintjean, Lison | Isotope ratio mass spectrometer, Elementar, IsoPrime | VSMOW; wet extraction; uncertainty: 0.4 ‰; N2O measured in ice: total N2O = atmospheric N2O + in situ N2O |
| 13 | Nitrous oxide, in situ | N2O in situ | ppbv | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ |
| 14 | Nitrous oxide, in situ, standard deviation | N2O in situ std dev | ± | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ |
| 15 | δ15N, nitrous oxide, in situ | δ15N N2O in situ | ‰ air | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ |
| 16 | δ15N, nitrous oxide, in situ, standard deviation | δ15N N2O in situ std dev | ± | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ; error |
| 17 | δ15N-alpha, nitrous oxide, in situ | δ15Na N2O in situ | ‰ air | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ |
| 18 | δ15N-alpha, nitrous oxide, in situ, standard deviation | δ15Na N2O in situ std dev | ± | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ; error |
| 19 | δ15N-beta, nitrous oxide, in situ | δ15Nb N2O in situ | ‰ air | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ |
| 20 | δ15N-beta, nitrous oxide, in situ, standard deviation | δ15Nb N2O in situ std dev | ± | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ; error |
| 21 | Site preference, N2O, in situ | SP N2O in situ | ‰ | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ |
| 22 | Site preference, N2O, in situ, standard deviation | SP N2O in situ std dev | ± | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ; error |
| 23 | δ18O, nitrous oxide, in situ | δ18O N2O in situ | ‰ SMOW | Soussaintjean, Lison | Mass balance (Mass balance) | VSMOW; N2O produced in situ |
| 24 | δ18O, nitrous oxide, in situ, standard deviation | δ18O N2O in situ std dev | ± | Soussaintjean, Lison | Mass balance (Mass balance) | N2O produced in situ; error |
| 25 | Nitrate | NO3 | mg/kg | Soussaintjean, Lison | Ion Chromatograph, Thermo Fisher Scientific | uncertainty: 1 ng/g |
| 26 | δ15N, nitrate | δ15N NO3 | ‰ air | Soussaintjean, Lison | Denitrifier method; measured with an isotope ratio mass spectrometer (IRMS), Thermo Finnigan, MAT 253 | uncertainty: 0.8 ‰ |
| 27 | δ18O, nitrate | δ18O NO3 | ‰ SMOW | Soussaintjean, Lison | Denitrifier method; measured with an isotope ratio mass spectrometer (IRMS), Thermo Finnigan, MAT 253 | VSMOW; uncertainty: 1.0 ‰ |
| 28 | δ17O, nitrate | δ17O NO3 | ‰ SMOW | Soussaintjean, Lison | Denitrifier method; measured with an isotope ratio mass spectrometer (IRMS), Thermo Finnigan, MAT 253 | VSMOW; uncertainty: 1.0 ‰ |
| 29 | Δ17O, nitrate | Δ17O NO3 | ‰ | Soussaintjean, Lison | Denitrifier method; measured with an isotope ratio mass spectrometer (IRMS), Thermo Finnigan, MAT 253 | uncertainty: 0.5 ‰ |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1256 data points