Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica

Geographic information, surface mass balance (SMB) data, and sub-photic zone (>0.3 m) nitrate concentration and nitrogen isotopic composition (δ15NNO3) for 135 sites across East Antarctica. This database was used to examine and define the relationship between δ15NNO3 and SMB in Antarctica as part...

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Main Authors:	Akers, Pete D, Savarino, Joël, Caillon, Nicolas, Servettaz, Aymeric P M, Le Meur, Emmanuel, Magand, Olivier, Agosta, Cécile, Crockford, Peter, Kobayashi, Kanon, Hattori, Shohei, Curran, Mark, van Ommen, Tas D, Jong, Lenneke, Roberts, Jason L, Martins, Jean
Format:	Dataset
Language:	English
Published:	PANGAEA 2022
Subjects:	ABN1314-103 ice core Ant_ABN-1314 Ant_ABN-DL1 Ant_ABN-DL2 Ant_ABN-P4 Ant_ABN-P5 Ant_AGO5 Ant_asuma.2016.1 Ant_asuma.2016.2 Ant_CHIC-01 Ant_CHIC-04 Ant_CHIC-05 Ant_CHIC-07 Ant_CHIC-10 Ant_CHIC-11 Ant_CHIC-13 Ant_CHIC-15 Ant_CHIC-18 Ant_CHIC-20 Ant_cph.d17 Ant_cph.d24 Ant_cph.d5 Ant_cph1516 Ant_DA2005 Ant_DC04 Ant_DC07-1 Ant_DC07-2 Ant_DC07-3 Ant_dc14 Ant_dc2010pits Ant_DF1 Ant_DF2 Ant_dml.pit.a Ant_dml.pit.b Ant_eaiist.stop01 Ant_eaiist.stop02 Ant_eaiist.stop03 Ant_eaiist.stop04 Ant_eaiist.stop05 Ant_eaiist.stop06 Ant_eaiist.stop07 Ant_eaiist.stop08a Ant_eaiist.stop08b Ant_eaiist.stop09 Ant_eaiist.stop10 Ant_eaiist.stop11 Ant_eaiist.stop12 Ant_eaiist.stop13a Ant_eaiist.stop13b Ant_eaiist.stop14 Antarctic East Antarctica Antarc* Antarctica Antarctica Journal ice core Ice Sheet Journal of Glaciology Polar Research Polar Science The Cryosphere
Online Access:	https://doi.pangaea.de/10.1594/PANGAEA.941480 https://doi.org/10.1594/PANGAEA.941480

id	ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.941480
record_format	openpolar
institution	Open Polar
collection	PANGAEA - Data Publisher for Earth & Environmental Science
op_collection_id	ftpangaea
language	English
topic	ABN1314-103 ice core Ant_ABN-1314 Ant_ABN-DL1 Ant_ABN-DL2 Ant_ABN-P4 Ant_ABN-P5 Ant_AGO5 Ant_asuma.2016.1 Ant_asuma.2016.2 Ant_CHIC-01 Ant_CHIC-04 Ant_CHIC-05 Ant_CHIC-07 Ant_CHIC-10 Ant_CHIC-11 Ant_CHIC-13 Ant_CHIC-15 Ant_CHIC-18 Ant_CHIC-20 Ant_cph.d17 Ant_cph.d24 Ant_cph.d5 Ant_cph1516 Ant_DA2005 Ant_DC04 Ant_DC07-1 Ant_DC07-2 Ant_DC07-3 Ant_dc14 Ant_dc2010pits Ant_DF1 Ant_DF2 Ant_dml.pit.a Ant_dml.pit.b Ant_eaiist.stop01 Ant_eaiist.stop02 Ant_eaiist.stop03 Ant_eaiist.stop04 Ant_eaiist.stop05 Ant_eaiist.stop06 Ant_eaiist.stop07 Ant_eaiist.stop08a Ant_eaiist.stop08b Ant_eaiist.stop09 Ant_eaiist.stop10 Ant_eaiist.stop11 Ant_eaiist.stop12 Ant_eaiist.stop13a Ant_eaiist.stop13b Ant_eaiist.stop14
spellingShingle	ABN1314-103 ice core Ant_ABN-1314 Ant_ABN-DL1 Ant_ABN-DL2 Ant_ABN-P4 Ant_ABN-P5 Ant_AGO5 Ant_asuma.2016.1 Ant_asuma.2016.2 Ant_CHIC-01 Ant_CHIC-04 Ant_CHIC-05 Ant_CHIC-07 Ant_CHIC-10 Ant_CHIC-11 Ant_CHIC-13 Ant_CHIC-15 Ant_CHIC-18 Ant_CHIC-20 Ant_cph.d17 Ant_cph.d24 Ant_cph.d5 Ant_cph1516 Ant_DA2005 Ant_DC04 Ant_DC07-1 Ant_DC07-2 Ant_DC07-3 Ant_dc14 Ant_dc2010pits Ant_DF1 Ant_DF2 Ant_dml.pit.a Ant_dml.pit.b Ant_eaiist.stop01 Ant_eaiist.stop02 Ant_eaiist.stop03 Ant_eaiist.stop04 Ant_eaiist.stop05 Ant_eaiist.stop06 Ant_eaiist.stop07 Ant_eaiist.stop08a Ant_eaiist.stop08b Ant_eaiist.stop09 Ant_eaiist.stop10 Ant_eaiist.stop11 Ant_eaiist.stop12 Ant_eaiist.stop13a Ant_eaiist.stop13b Ant_eaiist.stop14 Akers, Pete D Savarino, Joël Caillon, Nicolas Servettaz, Aymeric P M Le Meur, Emmanuel Magand, Olivier Agosta, Cécile Crockford, Peter Kobayashi, Kanon Hattori, Shohei Curran, Mark van Ommen, Tas D Jong, Lenneke Roberts, Jason L Martins, Jean Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
topic_facet	ABN1314-103 ice core Ant_ABN-1314 Ant_ABN-DL1 Ant_ABN-DL2 Ant_ABN-P4 Ant_ABN-P5 Ant_AGO5 Ant_asuma.2016.1 Ant_asuma.2016.2 Ant_CHIC-01 Ant_CHIC-04 Ant_CHIC-05 Ant_CHIC-07 Ant_CHIC-10 Ant_CHIC-11 Ant_CHIC-13 Ant_CHIC-15 Ant_CHIC-18 Ant_CHIC-20 Ant_cph.d17 Ant_cph.d24 Ant_cph.d5 Ant_cph1516 Ant_DA2005 Ant_DC04 Ant_DC07-1 Ant_DC07-2 Ant_DC07-3 Ant_dc14 Ant_dc2010pits Ant_DF1 Ant_DF2 Ant_dml.pit.a Ant_dml.pit.b Ant_eaiist.stop01 Ant_eaiist.stop02 Ant_eaiist.stop03 Ant_eaiist.stop04 Ant_eaiist.stop05 Ant_eaiist.stop06 Ant_eaiist.stop07 Ant_eaiist.stop08a Ant_eaiist.stop08b Ant_eaiist.stop09 Ant_eaiist.stop10 Ant_eaiist.stop11 Ant_eaiist.stop12 Ant_eaiist.stop13a Ant_eaiist.stop13b Ant_eaiist.stop14
description	Geographic information, surface mass balance (SMB) data, and sub-photic zone (>0.3 m) nitrate concentration and nitrogen isotopic composition (δ15NNO3) for 135 sites across East Antarctica. This database was used to examine and define the relationship between δ15NNO3 and SMB in Antarctica as part of the SCADI (Snow Core Accumulation from Delta-15N Isotopes) and EAIIST (East Antarctic International Ice Sheet Traverse) projects. Of these 135 sites, 92 are newly reported here while the other site data were previously published and are cited accordingly. Snow bearing nitrate was sampled from snow pits and firn/ice cores at different dates depending on the original scientific campaign, but predominately between 2010 and 2020, with the earliest sampling occurring in 2004. Nitrate was later extracted from the snow, concentrated, and analyzed for δ15NNO3. Surface mass balance data comes from a combination of previous ground-based observations (e.g., stakes, ice core data) and the output from Modèle Atmosphérique Régional version 3.6.4 with European Centre for Medium-Range Weather Forecasts “Interim” re-analysis data (ERA-interim) data, adjusted for observed model SMB biases. Elevation data were extracted from the Reference Elevation Model of Antarctica (REMA, https://doi.org/10.5194/tc-13-665-2019).
format	Dataset
author	Akers, Pete D Savarino, Joël Caillon, Nicolas Servettaz, Aymeric P M Le Meur, Emmanuel Magand, Olivier Agosta, Cécile Crockford, Peter Kobayashi, Kanon Hattori, Shohei Curran, Mark van Ommen, Tas D Jong, Lenneke Roberts, Jason L Martins, Jean
author_facet	Akers, Pete D Savarino, Joël Caillon, Nicolas Servettaz, Aymeric P M Le Meur, Emmanuel Magand, Olivier Agosta, Cécile Crockford, Peter Kobayashi, Kanon Hattori, Shohei Curran, Mark van Ommen, Tas D Jong, Lenneke Roberts, Jason L Martins, Jean
author_sort	Akers, Pete D
title	Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
title_short	Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
title_full	Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
title_fullStr	Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
title_full_unstemmed	Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
title_sort	spatial variability in sub-photic zone nitrate δ15n and surface mass balance across east antarctica
publisher	PANGAEA
publishDate	2022
url	https://doi.pangaea.de/10.1594/PANGAEA.941480 https://doi.org/10.1594/PANGAEA.941480
op_coverage	MEDIAN LATITUDE: -73.063481 * MEDIAN LONGITUDE: 112.248815 * SOUTH-BOUND LATITUDE: -80.440000 * WEST-BOUND LONGITUDE: 0.070000 * NORTH-BOUND LATITUDE: -66.700000 * EAST-BOUND LONGITUDE: 139.890000 * DATE/TIME START: 2013-11-30T00:00:00 * DATE/TIME END: 2013-12-25T00:00:00 * MINIMUM ELEVATION: 114 m a.s.l. * MAXIMUM ELEVATION: 4092 m a.s.l.
long_lat	ENVELOPE(0.070000,139.890000,-66.700000,-80.440000)
geographic	Antarctic East Antarctica
geographic_facet	Antarctic East Antarctica
genre	Antarc* Antarctic Antarctica Antarctica Journal East Antarctica ice core Ice Sheet Journal of Glaciology Polar Research Polar Science Polar Science The Cryosphere
genre_facet	Antarc* Antarctic Antarctica Antarctica Journal East Antarctica ice core Ice Sheet Journal of Glaciology Polar Research Polar Science Polar Science The Cryosphere
op_relation	Akers, Pete D; Savarino, Joël; Caillon, Nicolas; Servettaz, Aymeric P M; Le Meur, Emmanuel; Magand, Olivier; Martins, Jean; Agosta, Cécile; Crockford, Peter; Kobayashi, Kanon; Hattori, Shohei; Curran, Mark; van Ommen, Tas D; Jong, Lenneke; Roberts, Jason L (2022): Sunlight-driven nitrate loss records Antarctic surface mass balance. Nature Communications, 13(1), 4274, https://doi.org/10.1038/s41467-022-31855-7 Agosta, Cécile; Amory, Charles; Kittel, Christoph; Orsi, Anaïs; Favier, Vincent; Gallée, Hubert; van den Broeke, Michiel R; Lenaerts, Jan T M; van Wessem, Jan Melchior; van de Berg, Willem Jan; Fettweis, Xavier (2019): Estimation of the Antarctic surface mass balance using the regional climate model MAR (1979-2015) and identification of dominant processes. The Cryosphere, 13(1), 281-296, https://doi.org/10.5194/tc-13-281-2019 Akers, Pete D; Savarino, Joël; Caillon, Nicolas; Magand, Olivier; Le Meur, Emmanuel (2022): Nitrate isotopic data from snow collected along the CHICTABA traverse, East Antarctica, 2013-2014. PANGAEA, https://doi.org/10.1594/PANGAEA.948355 Akers, Pete D; Savarino, Joël; Caillon, Nicolas; Servettaz, Aymeric P M; Le Meur, Emmanuel; Magand, Olivier; Agosta, Cécile; Crockford, Peter; Kobayashi, Kanon; Hattori, Shohei; Curran, Mark; van Ommen, Tas D; Jong, Lenneke; Roberts, Jason L; Martins, Jean (2022): Nitrate δ15N values and ice density-based surface mass balance from the ABN1314-103 ice core, Aurora Basin North, Antarctica. PANGAEA, https://doi.org/10.1594/PANGAEA.941491 Ding, Minghu; Xiao, Cunde; Yang, Yuande; Wang, Yetang; Li, Chuanjin; Yuan, Naiming; Shi, Guitao; Sun, Weijun; Ming, Jing (2016): Re-assessment of recent (2008–2013) surface mass balance over Dome Argus, Antarctica. Polar Research, 35(1), 26133, https://doi.org/10.3402/polar.v35.26133 Ekaykin, Alexey A; Teben'kova, N A; Lipenkov, Vladimir Ya; Tchikhatchev, K B; Veres, Arina N; Richter, A (2020): Underestimation of Snow Accumulation Rate in Central Antarctica (Vostok Station) Derived from Stake Measurements. Russian Meteorology and Hydrology, 45(2), 132-140, https://doi.org/10.3103/S1068373920020090 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 Favier, Vincent; Agosta, Cécile; Parouty, S; Durand, Gael; Delaygue, Gilles; Gallée, Hubert; Drouet, A-S; Trouvilliez, A; Krinner, Gerhard (2013): An updated and quality controlled surface mass balance dataset for Antarctica. The Cryosphere, 7(2), 583-597, https://doi.org/10.5194/tc-7-583-2013 Frey, Matthias Max; Savarino, Joël; Morin, Samuel; Erbland, J; Martins, Jean MF (2009): Photolysis imprint in the nitrate stable isotope signal in snow and atmosphere of East Antarctica and implications for reactive nitrogen cycling. Atmospheric Chemistry and Physics, 9(22), 8681-8696, https://doi.org/10.5194/acp-9-8681-2009 Hoshina, Yu; Fujita, Koji; Iizuka, Yoshinori; Motoyama, Hideaki (2016): Inconsistent relationships between major ions and water stable isotopes in Antarctic snow under different accumulation environments. Polar Science, 10(1), 1-10, https://doi.org/10.1016/j.polar.2015.12.003 Howat, Ian M; Porter, Claire; Smith, Ben E; Noh, Myoung-Jong; Morin, Paul (2019): The Reference Elevation Model of Antarctica. The Cryosphere, 13(2), 665-674, https://doi.org/10.5194/tc-13-665-2019 Jiang, Su; Shi, Guitao; Cole-Dai, Jihong; Geng, Lei; Ferris, David G; An, Chunlei; Li, Yuansheng (2019): Nitrate preservation in snow at Dome A, East Antarctica from ice core concentration and isotope records. Atmospheric Environment, 213, 405-412, https://doi.org/10.1016/j.atmosenv.2019.06.031 Kazushi, Noro; Hattori, Shohei; Uemura, Ryu; Fukui, Kotaro; Hirabayashi, Motohiro; Kawamura, Kenji; Motoyama, Hideaki; Takenaka, Norimichi; Yoshida, Naohiro (2018): Spatial variation of isotopic compositions of snowpack nitrate related to post-depositional processes in eastern Dronning Maud Land, East Antarctica. Geochemical Journal, 52(2), e7-e14, https://doi.org/10.2343/geochemj.2.0519 Parrenin, Frédéric; Dreyfus, Gabrielle; Durand, Gael; Fujita, Shuji; Gagliardini, Olivier; Gillet, F; Jouzel, Jean; Kawamura, K; Lhomme, N; Masson-Delmotte, Valerie; Ritz, Catherine; Schwander, Jakob; Shoji, Hitoshi; Uemura, Ryu; Watanabe, Okitsugu; Yoshida, Naohiro (2007): 1-D-ice flow modelling at EPICA Dome C and Dome Fuji, East Antarctica. Climate of the Past, 3(2), 243-259, https://doi.org/10.5194/cp-3-243-2007 Pourchet, M; Bartarya, S K; Maignan, M; Jouzel, Jean; Pinglot, Jean Francis; Aristarain, Alberto J; Furdada, G; Kotlyakov, Vladimir; Mosley-Thompson, Ellen; Preiss, N; Young, N W (1997): Distribution and fall-out of 137Cs and other radionuclides over Antarctica. Journal of Glaciology, 43(145), 435-445, https://doi.org/10.3189/S0022143000035024 Shi, Guitao; Buffen, A M; Hastings, M G; Li, C; Ma, H; Li, Y; Sun, B; An, Chunlei; Jiang, Su (2015): Investigation of post-depositional processing of nitrate in East Antarctic snow: isotopic constraints on photolytic loss, re-oxidation, and source inputs. Atmospheric Chemistry and Physics, 15(16), 9435-9453, https://doi.org/10.5194/acp-15-9435-2015 Sommer, Stefan; Wagenbach, Dietmar; Mulvaney, Robert; Fischer, Hubertus (2000): Glacio-chemical study spanning the past 2 kyr on three ice cores from Dronning Maud Land, Antarctica 2. Seasonally resolved chemical records. Journal of Geophysical Research: Atmospheres, 105(D24), 29423-29434, https://doi.org/10.1029/2000JD900450 Verfaillie, D; Fily, Michel; Le Meur, Emmanuel; Magand, Olivier; Jourdain, Bruno; Arnaud, Laurent; Favier, Vincent (2012): Snow accumulation variability derived from radar and firn core data along a 600 km transect in Adelie Land, East Antarctic plateau. The Cryosphere, 6(6), 1345-1358, https://doi.org/10.5194/tc-6-1345-2012 Winton, Victoria H L; Ming, Alison; Caillon, Nicolas; Hauge, Lisa Lolk; Jones, Anna E; Savarino, Joël; Yang, Xin; Frey, Markus M (2020): Deposition, recycling, and archival of nitrate stable isotopes between the air–snow interface: comparison between Dronning Maud Land and Dome C, Antarctica. Atmospheric Chemistry and Physics, 20(9), 5861-5885, https://doi.org/10.5194/acp-20-5861-2020 https://doi.pangaea.de/10.1594/PANGAEA.941480 https://doi.org/10.1594/PANGAEA.941480
op_rights	CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess
op_rightsnorm	CC-BY
op_doi	https://doi.org/10.1594/PANGAEA.941480 https://doi.org/10.1038/s41467-022-31855-7 https://doi.org/10.5194/tc-13-281-2019 https://doi.org/10.1594/PANGAEA.948355 https://doi.org/10.1594/PANGAEA.941491 https://doi.org/10.3402/polar.v35.26133 http
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spelling	ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.941480 2023-05-15T13:56:34+02:00 Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica Akers, Pete D Savarino, Joël Caillon, Nicolas Servettaz, Aymeric P M Le Meur, Emmanuel Magand, Olivier Agosta, Cécile Crockford, Peter Kobayashi, Kanon Hattori, Shohei Curran, Mark van Ommen, Tas D Jong, Lenneke Roberts, Jason L Martins, Jean MEDIAN LATITUDE: -73.063481 * MEDIAN LONGITUDE: 112.248815 * SOUTH-BOUND LATITUDE: -80.440000 * WEST-BOUND LONGITUDE: 0.070000 * NORTH-BOUND LATITUDE: -66.700000 * EAST-BOUND LONGITUDE: 139.890000 * DATE/TIME START: 2013-11-30T00:00:00 * DATE/TIME END: 2013-12-25T00:00:00 * MINIMUM ELEVATION: 114 m a.s.l. * MAXIMUM ELEVATION: 4092 m a.s.l. 2022-02-25 text/tab-separated-values, 1904 data points https://doi.pangaea.de/10.1594/PANGAEA.941480 https://doi.org/10.1594/PANGAEA.941480 en eng PANGAEA Akers, Pete D; Savarino, Joël; Caillon, Nicolas; Servettaz, Aymeric P M; Le Meur, Emmanuel; Magand, Olivier; Martins, Jean; Agosta, Cécile; Crockford, Peter; Kobayashi, Kanon; Hattori, Shohei; Curran, Mark; van Ommen, Tas D; Jong, Lenneke; Roberts, Jason L (2022): Sunlight-driven nitrate loss records Antarctic surface mass balance. Nature Communications, 13(1), 4274, https://doi.org/10.1038/s41467-022-31855-7 Agosta, Cécile; Amory, Charles; Kittel, Christoph; Orsi, Anaïs; Favier, Vincent; Gallée, Hubert; van den Broeke, Michiel R; Lenaerts, Jan T M; van Wessem, Jan Melchior; van de Berg, Willem Jan; Fettweis, Xavier (2019): Estimation of the Antarctic surface mass balance using the regional climate model MAR (1979-2015) and identification of dominant processes. The Cryosphere, 13(1), 281-296, https://doi.org/10.5194/tc-13-281-2019 Akers, Pete D; Savarino, Joël; Caillon, Nicolas; Magand, Olivier; Le Meur, Emmanuel (2022): Nitrate isotopic data from snow collected along the CHICTABA traverse, East Antarctica, 2013-2014. PANGAEA, https://doi.org/10.1594/PANGAEA.948355 Akers, Pete D; Savarino, Joël; Caillon, Nicolas; Servettaz, Aymeric P M; Le Meur, Emmanuel; Magand, Olivier; Agosta, Cécile; Crockford, Peter; Kobayashi, Kanon; Hattori, Shohei; Curran, Mark; van Ommen, Tas D; Jong, Lenneke; Roberts, Jason L; Martins, Jean (2022): Nitrate δ15N values and ice density-based surface mass balance from the ABN1314-103 ice core, Aurora Basin North, Antarctica. PANGAEA, https://doi.org/10.1594/PANGAEA.941491 Ding, Minghu; Xiao, Cunde; Yang, Yuande; Wang, Yetang; Li, Chuanjin; Yuan, Naiming; Shi, Guitao; Sun, Weijun; Ming, Jing (2016): Re-assessment of recent (2008–2013) surface mass balance over Dome Argus, Antarctica. Polar Research, 35(1), 26133, https://doi.org/10.3402/polar.v35.26133 Ekaykin, Alexey A; Teben'kova, N A; Lipenkov, Vladimir Ya; Tchikhatchev, K B; Veres, Arina N; Richter, A (2020): Underestimation of Snow Accumulation Rate in Central Antarctica (Vostok Station) Derived from Stake Measurements. Russian Meteorology and Hydrology, 45(2), 132-140, https://doi.org/10.3103/S1068373920020090 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 Favier, Vincent; Agosta, Cécile; Parouty, S; Durand, Gael; Delaygue, Gilles; Gallée, Hubert; Drouet, A-S; Trouvilliez, A; Krinner, Gerhard (2013): An updated and quality controlled surface mass balance dataset for Antarctica. The Cryosphere, 7(2), 583-597, https://doi.org/10.5194/tc-7-583-2013 Frey, Matthias Max; Savarino, Joël; Morin, Samuel; Erbland, J; Martins, Jean MF (2009): Photolysis imprint in the nitrate stable isotope signal in snow and atmosphere of East Antarctica and implications for reactive nitrogen cycling. Atmospheric Chemistry and Physics, 9(22), 8681-8696, https://doi.org/10.5194/acp-9-8681-2009 Hoshina, Yu; Fujita, Koji; Iizuka, Yoshinori; Motoyama, Hideaki (2016): Inconsistent relationships between major ions and water stable isotopes in Antarctic snow under different accumulation environments. Polar Science, 10(1), 1-10, https://doi.org/10.1016/j.polar.2015.12.003 Howat, Ian M; Porter, Claire; Smith, Ben E; Noh, Myoung-Jong; Morin, Paul (2019): The Reference Elevation Model of Antarctica. The Cryosphere, 13(2), 665-674, https://doi.org/10.5194/tc-13-665-2019 Jiang, Su; Shi, Guitao; Cole-Dai, Jihong; Geng, Lei; Ferris, David G; An, Chunlei; Li, Yuansheng (2019): Nitrate preservation in snow at Dome A, East Antarctica from ice core concentration and isotope records. Atmospheric Environment, 213, 405-412, https://doi.org/10.1016/j.atmosenv.2019.06.031 Kazushi, Noro; Hattori, Shohei; Uemura, Ryu; Fukui, Kotaro; Hirabayashi, Motohiro; Kawamura, Kenji; Motoyama, Hideaki; Takenaka, Norimichi; Yoshida, Naohiro (2018): Spatial variation of isotopic compositions of snowpack nitrate related to post-depositional processes in eastern Dronning Maud Land, East Antarctica. Geochemical Journal, 52(2), e7-e14, https://doi.org/10.2343/geochemj.2.0519 Parrenin, Frédéric; Dreyfus, Gabrielle; Durand, Gael; Fujita, Shuji; Gagliardini, Olivier; Gillet, F; Jouzel, Jean; Kawamura, K; Lhomme, N; Masson-Delmotte, Valerie; Ritz, Catherine; Schwander, Jakob; Shoji, Hitoshi; Uemura, Ryu; Watanabe, Okitsugu; Yoshida, Naohiro (2007): 1-D-ice flow modelling at EPICA Dome C and Dome Fuji, East Antarctica. Climate of the Past, 3(2), 243-259, https://doi.org/10.5194/cp-3-243-2007 Pourchet, M; Bartarya, S K; Maignan, M; Jouzel, Jean; Pinglot, Jean Francis; Aristarain, Alberto J; Furdada, G; Kotlyakov, Vladimir; Mosley-Thompson, Ellen; Preiss, N; Young, N W (1997): Distribution and fall-out of 137Cs and other radionuclides over Antarctica. Journal of Glaciology, 43(145), 435-445, https://doi.org/10.3189/S0022143000035024 Shi, Guitao; Buffen, A M; Hastings, M G; Li, C; Ma, H; Li, Y; Sun, B; An, Chunlei; Jiang, Su (2015): Investigation of post-depositional processing of nitrate in East Antarctic snow: isotopic constraints on photolytic loss, re-oxidation, and source inputs. Atmospheric Chemistry and Physics, 15(16), 9435-9453, https://doi.org/10.5194/acp-15-9435-2015 Sommer, Stefan; Wagenbach, Dietmar; Mulvaney, Robert; Fischer, Hubertus (2000): Glacio-chemical study spanning the past 2 kyr on three ice cores from Dronning Maud Land, Antarctica 2. Seasonally resolved chemical records. Journal of Geophysical Research: Atmospheres, 105(D24), 29423-29434, https://doi.org/10.1029/2000JD900450 Verfaillie, D; Fily, Michel; Le Meur, Emmanuel; Magand, Olivier; Jourdain, Bruno; Arnaud, Laurent; Favier, Vincent (2012): Snow accumulation variability derived from radar and firn core data along a 600 km transect in Adelie Land, East Antarctic plateau. The Cryosphere, 6(6), 1345-1358, https://doi.org/10.5194/tc-6-1345-2012 Winton, Victoria H L; Ming, Alison; Caillon, Nicolas; Hauge, Lisa Lolk; Jones, Anna E; Savarino, Joël; Yang, Xin; Frey, Markus M (2020): Deposition, recycling, and archival of nitrate stable isotopes between the air–snow interface: comparison between Dronning Maud Land and Dome C, Antarctica. Atmospheric Chemistry and Physics, 20(9), 5861-5885, https://doi.org/10.5194/acp-20-5861-2020 https://doi.pangaea.de/10.1594/PANGAEA.941480 https://doi.org/10.1594/PANGAEA.941480 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY ABN1314-103 ice core Ant_ABN-1314 Ant_ABN-DL1 Ant_ABN-DL2 Ant_ABN-P4 Ant_ABN-P5 Ant_AGO5 Ant_asuma.2016.1 Ant_asuma.2016.2 Ant_CHIC-01 Ant_CHIC-04 Ant_CHIC-05 Ant_CHIC-07 Ant_CHIC-10 Ant_CHIC-11 Ant_CHIC-13 Ant_CHIC-15 Ant_CHIC-18 Ant_CHIC-20 Ant_cph.d17 Ant_cph.d24 Ant_cph.d5 Ant_cph1516 Ant_DA2005 Ant_DC04 Ant_DC07-1 Ant_DC07-2 Ant_DC07-3 Ant_dc14 Ant_dc2010pits Ant_DF1 Ant_DF2 Ant_dml.pit.a Ant_dml.pit.b Ant_eaiist.stop01 Ant_eaiist.stop02 Ant_eaiist.stop03 Ant_eaiist.stop04 Ant_eaiist.stop05 Ant_eaiist.stop06 Ant_eaiist.stop07 Ant_eaiist.stop08a Ant_eaiist.stop08b Ant_eaiist.stop09 Ant_eaiist.stop10 Ant_eaiist.stop11 Ant_eaiist.stop12 Ant_eaiist.stop13a Ant_eaiist.stop13b Ant_eaiist.stop14 Dataset 2022 ftpangaea https://doi.org/10.1594/PANGAEA.941480 https://doi.org/10.1038/s41467-022-31855-7 https://doi.org/10.5194/tc-13-281-2019 https://doi.org/10.1594/PANGAEA.948355 https://doi.org/10.1594/PANGAEA.941491 https://doi.org/10.3402/polar.v35.26133 http 2023-01-20T09:15:45Z Geographic information, surface mass balance (SMB) data, and sub-photic zone (>0.3 m) nitrate concentration and nitrogen isotopic composition (δ15NNO3) for 135 sites across East Antarctica. This database was used to examine and define the relationship between δ15NNO3 and SMB in Antarctica as part of the SCADI (Snow Core Accumulation from Delta-15N Isotopes) and EAIIST (East Antarctic International Ice Sheet Traverse) projects. Of these 135 sites, 92 are newly reported here while the other site data were previously published and are cited accordingly. Snow bearing nitrate was sampled from snow pits and firn/ice cores at different dates depending on the original scientific campaign, but predominately between 2010 and 2020, with the earliest sampling occurring in 2004. Nitrate was later extracted from the snow, concentrated, and analyzed for δ15NNO3. Surface mass balance data comes from a combination of previous ground-based observations (e.g., stakes, ice core data) and the output from Modèle Atmosphérique Régional version 3.6.4 with European Centre for Medium-Range Weather Forecasts “Interim” re-analysis data (ERA-interim) data, adjusted for observed model SMB biases. Elevation data were extracted from the Reference Elevation Model of Antarctica (REMA, https://doi.org/10.5194/tc-13-665-2019). Dataset Antarc* Antarctic Antarctica Antarctica Journal East Antarctica ice core Ice Sheet Journal of Glaciology Polar Research Polar Science Polar Science The Cryosphere PANGAEA - Data Publisher for Earth & Environmental Science Antarctic East Antarctica ENVELOPE(0.070000,139.890000,-66.700000,-80.440000)

Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica

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