Firn cores obtained in Northern Greenland in 2015

Results from six firn cores obtained during a 426 km long northern Greenland traverse in 2015 between the NEEM and the EGRIP deep drilling stations situated on the Western and Eastern side of the Greenland ice sheet, respectively. The cores (9 to 14 m long) are analysed for chemical impurities by me...

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Main Authors: Kjær, Helle Astrid, Zens, Patrick, Black, Samuel, Lund, Kasper Holst, Svensson, Anders M, Vallelonga, Paul T
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
Accumulation of snow/ice per year
acidity
AGE
maximum/old
minimum/young
uncertainty
ammonium
Annual layer counting based on H₂O₂ and/or insoluble dust
Arctic Sea Ice and Greenland Ice Sheet Sensitivity
calcium
Conductivity
Core
Core length
dust
East Greenland Ice-core Project
EGRIP
ELEVATION
Event label
firn
Firn chemistry
Greenland
ice2ice
LATITUDE
LONGITUDE
NEEM
North Greenland Eemian Ice Drilling
peroxide
RULER
Ruler stick
Snow pits/firn core/ice core
T2015-A1
T2015-A2
T2015-A3
T2015-A4
T2015-A5
T2015-A6
TiPES
Tipping Points in the Earth System
East Greenland
Greenland ice core
Greenland Ice core Project
ice core
Ice Sheet
North Greenland
Sea ice
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.952933
https://doi.org/10.1594/PANGAEA.952933
id ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.952933
record_format openpolar
spelling ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.952933 2024-09-15T18:04:22+00:00 Firn cores obtained in Northern Greenland in 2015 Kjær, Helle Astrid Zens, Patrick Black, Samuel Lund, Kasper Holst Svensson, Anders M Vallelonga, Paul T MEDIAN LATITUDE: 76.239013 * MEDIAN LONGITUDE: -42.632487 * SOUTH-BOUND LATITUDE: 75.375010 * WEST-BOUND LONGITUDE: -51.095880 * NORTH-BOUND LATITUDE: 77.252190 * EAST-BOUND LONGITUDE: -35.588090 * DATE/TIME START: 2015-05-08T00:00:00 * DATE/TIME END: 2015-05-28T00:00:00 * MINIMUM ELEVATION: 2484 m a.s.l. * MAXIMUM ELEVATION: 2771 m a.s.l. 2023 text/tab-separated-values, 42 data points https://doi.pangaea.de/10.1594/PANGAEA.952933 https://doi.org/10.1594/PANGAEA.952933 en eng PANGAEA https://doi.org/10.1594/PANGAEA.952936 Kjær, Helle Astrid; Zens, Patrick; Black, Samuel; Lund, Kasper Holst; Svensson, Anders M; Vallelonga, Paul T (2022): Canadian forest fires, Icelandic volcanoes and increased local dust observed in six shallow Greenland firn cores. Climate of the Past, 18(10), 2211-2230, https://doi.org/10.5194/cp-2021-99 https://doi.pangaea.de/10.1594/PANGAEA.952933 https://doi.org/10.1594/PANGAEA.952933 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess Accumulation of snow/ice per year acidity AGE maximum/old minimum/young uncertainty ammonium Annual layer counting based on H₂O₂ and/or insoluble dust Arctic Sea Ice and Greenland Ice Sheet Sensitivity calcium Conductivity Core Core length dust East Greenland Ice-core Project EGRIP ELEVATION Event label firn Firn chemistry Greenland ice2ice LATITUDE LONGITUDE NEEM North Greenland Eemian Ice Drilling peroxide RULER Ruler stick Snow pits/firn core/ice core T2015-A1 T2015-A2 T2015-A3 T2015-A4 T2015-A5 T2015-A6 TiPES Tipping Points in the Earth System dataset 2023 ftpangaea https://doi.org/10.1594/PANGAEA.95293310.1594/PANGAEA.95293610.5194/cp-2021-99 2024-07-24T02:31:43Z Results from six firn cores obtained during a 426 km long northern Greenland traverse in 2015 between the NEEM and the EGRIP deep drilling stations situated on the Western and Eastern side of the Greenland ice sheet, respectively. The cores (9 to 14 m long) are analysed for chemical impurities by means of Continuous Flow Analysis (CFA); Insoluble dust, ammonium, calcium, acid, conductivity and peroxide. The data was dated by means of annual layer counting of mainly peroxide supplemented by calcium seasonal cycles and spans 18 to 53 years (±3 yrs) depending on local snow accumulation that decreases from west to east. Insoluble dust, ammonium, and calcium concentrations in the 6 firn cores overlap, and also the seasonal cycles are similar in timing and magnitude across sites, while peroxide (H2O2) and conductivity both have spatial variations. H2O2 is driven by the accumulation pattern and conductivity is likely influenced by sea salt. Data is published as part of Kjær et al. 2022, Climate of the past, https://doi.org/10.5194/cp-2021-99 Dataset East Greenland East Greenland Ice-core Project Greenland Greenland ice core Greenland Ice core Project ice core Ice Sheet North Greenland Sea ice PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-51.095880,-35.588090,77.252190,75.375010)
institution Open Polar
collection PANGAEA - Data Publisher for Earth & Environmental Science
op_collection_id ftpangaea
language English
topic Accumulation of snow/ice per year
acidity
AGE
maximum/old
minimum/young
uncertainty
ammonium
Annual layer counting based on H₂O₂ and/or insoluble dust
Arctic Sea Ice and Greenland Ice Sheet Sensitivity
calcium
Conductivity
Core
Core length
dust
East Greenland Ice-core Project
EGRIP
ELEVATION
Event label
firn
Firn chemistry
Greenland
ice2ice
LATITUDE
LONGITUDE
NEEM
North Greenland Eemian Ice Drilling
peroxide
RULER
Ruler stick
Snow pits/firn core/ice core
T2015-A1
T2015-A2
T2015-A3
T2015-A4
T2015-A5
T2015-A6
TiPES
Tipping Points in the Earth System
spellingShingle Accumulation of snow/ice per year
acidity
AGE
maximum/old
minimum/young
uncertainty
ammonium
Annual layer counting based on H₂O₂ and/or insoluble dust
Arctic Sea Ice and Greenland Ice Sheet Sensitivity
calcium
Conductivity
Core
Core length
dust
East Greenland Ice-core Project
EGRIP
ELEVATION
Event label
firn
Firn chemistry
Greenland
ice2ice
LATITUDE
LONGITUDE
NEEM
North Greenland Eemian Ice Drilling
peroxide
RULER
Ruler stick
Snow pits/firn core/ice core
T2015-A1
T2015-A2
T2015-A3
T2015-A4
T2015-A5
T2015-A6
TiPES
Tipping Points in the Earth System
Kjær, Helle Astrid
Zens, Patrick
Black, Samuel
Lund, Kasper Holst
Svensson, Anders M
Vallelonga, Paul T
Firn cores obtained in Northern Greenland in 2015
topic_facet Accumulation of snow/ice per year
acidity
AGE
maximum/old
minimum/young
uncertainty
ammonium
Annual layer counting based on H₂O₂ and/or insoluble dust
Arctic Sea Ice and Greenland Ice Sheet Sensitivity
calcium
Conductivity
Core
Core length
dust
East Greenland Ice-core Project
EGRIP
ELEVATION
Event label
firn
Firn chemistry
Greenland
ice2ice
LATITUDE
LONGITUDE
NEEM
North Greenland Eemian Ice Drilling
peroxide
RULER
Ruler stick
Snow pits/firn core/ice core
T2015-A1
T2015-A2
T2015-A3
T2015-A4
T2015-A5
T2015-A6
TiPES
Tipping Points in the Earth System
description Results from six firn cores obtained during a 426 km long northern Greenland traverse in 2015 between the NEEM and the EGRIP deep drilling stations situated on the Western and Eastern side of the Greenland ice sheet, respectively. The cores (9 to 14 m long) are analysed for chemical impurities by means of Continuous Flow Analysis (CFA); Insoluble dust, ammonium, calcium, acid, conductivity and peroxide. The data was dated by means of annual layer counting of mainly peroxide supplemented by calcium seasonal cycles and spans 18 to 53 years (±3 yrs) depending on local snow accumulation that decreases from west to east. Insoluble dust, ammonium, and calcium concentrations in the 6 firn cores overlap, and also the seasonal cycles are similar in timing and magnitude across sites, while peroxide (H2O2) and conductivity both have spatial variations. H2O2 is driven by the accumulation pattern and conductivity is likely influenced by sea salt. Data is published as part of Kjær et al. 2022, Climate of the past, https://doi.org/10.5194/cp-2021-99
format Dataset
author Kjær, Helle Astrid
Zens, Patrick
Black, Samuel
Lund, Kasper Holst
Svensson, Anders M
Vallelonga, Paul T
author_facet Kjær, Helle Astrid
Zens, Patrick
Black, Samuel
Lund, Kasper Holst
Svensson, Anders M
Vallelonga, Paul T
author_sort Kjær, Helle Astrid
title Firn cores obtained in Northern Greenland in 2015
title_short Firn cores obtained in Northern Greenland in 2015
title_full Firn cores obtained in Northern Greenland in 2015
title_fullStr Firn cores obtained in Northern Greenland in 2015
title_full_unstemmed Firn cores obtained in Northern Greenland in 2015
title_sort firn cores obtained in northern greenland in 2015
publisher PANGAEA
publishDate 2023
url https://doi.pangaea.de/10.1594/PANGAEA.952933
https://doi.org/10.1594/PANGAEA.952933
op_coverage MEDIAN LATITUDE: 76.239013 * MEDIAN LONGITUDE: -42.632487 * SOUTH-BOUND LATITUDE: 75.375010 * WEST-BOUND LONGITUDE: -51.095880 * NORTH-BOUND LATITUDE: 77.252190 * EAST-BOUND LONGITUDE: -35.588090 * DATE/TIME START: 2015-05-08T00:00:00 * DATE/TIME END: 2015-05-28T00:00:00 * MINIMUM ELEVATION: 2484 m a.s.l. * MAXIMUM ELEVATION: 2771 m a.s.l.
long_lat ENVELOPE(-51.095880,-35.588090,77.252190,75.375010)
genre East Greenland
East Greenland Ice-core Project
Greenland
Greenland ice core
Greenland Ice core Project
ice core
Ice Sheet
North Greenland
Sea ice
genre_facet East Greenland
East Greenland Ice-core Project
Greenland
Greenland ice core
Greenland Ice core Project
ice core
Ice Sheet
North Greenland
Sea ice
op_relation https://doi.org/10.1594/PANGAEA.952936
Kjær, Helle Astrid; Zens, Patrick; Black, Samuel; Lund, Kasper Holst; Svensson, Anders M; Vallelonga, Paul T (2022): Canadian forest fires, Icelandic volcanoes and increased local dust observed in six shallow Greenland firn cores. Climate of the Past, 18(10), 2211-2230, https://doi.org/10.5194/cp-2021-99
https://doi.pangaea.de/10.1594/PANGAEA.952933
https://doi.org/10.1594/PANGAEA.952933
op_rights CC-BY-4.0: Creative Commons Attribution 4.0 International
Access constraints: unrestricted
info:eu-repo/semantics/openAccess
op_doi https://doi.org/10.1594/PANGAEA.95293310.1594/PANGAEA.95293610.5194/cp-2021-99
_version_ 1810441863332626432

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