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Azharuddin, Syed; Ahn, Jinho; Ryu, Yeongjun; Brook, Edward J; Salehnia, Nasrin (2023): Nitrous oxide concentration from South Pole Ice (SPICE) core for the last 11 thousand years [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.964081

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Abstract:
Nitrous oxide (N2O) is an important greenhouse gas which destroys the ozone in the stratosphere. Primary sources of atmospheric N2O are nitrification and denitrification in terrestrial soils and the ocean, and the main sink is photolysis in the stratosphere. Studies have mostly focused on the climate-related response of N2O during glacial-interglacial periods. However, its mechanism of variation during the Holocene remains unclear. We present a high-resolution N2O record from the South Pole Ice (SPICE) core covering the Holocene epoch.
Keyword(s):
Holocene; Ice core; N2O; nitrous oxide; South Pole
Supplement to:
Azharuddin, Syed; Ahn, Jinho; Ryu, Yeongjun; Brook, Edward J; Salehnia, Nasrin (2024): Millennial‐Scale Changes in Atmospheric Nitrous Oxide During the Holocene. 11(1), e2023EA002840, https://doi.org/10.1029/2023EA002840
Related to:
Azharuddin, Syed; Ahn, Jinho; Ryu, Yeongjun; Brook, Edward J; Salehnia, Nasrin (2023): Holocene total nitrous oxide flux based on the composite nitrous oxide concentration data [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.964085
References:
Epifanio, Jenna A; Brook, Edward J; Buizert, Christo; Edwards, Jon S; Sowers, Todd A; Kahle, Emma C; Severinghaus, Jeffrey P; Steig, Eric J; Winski, Dominic A; Osterberg, Erich C; Fudge, Tyler J; Aydin, Murat; Hood, Ekaterina; Kalk, Michael L; Kreutz, Karl J; Ferris, David G; Kennedy, Joshua A (2020): The SP19 chronology for the South Pole Ice Core – Part 2: gas chronology, Δage, and smoothing of atmospheric records. Climate of the Past, 16(6), 2431-2444, https://doi.org/10.5194/cp-16-2431-2020
Funding:
National Research Foundation of Korea (NRF), grant/award no. 2018R1A2B3003256
Coverage:
Latitude: -89.990000 * Longitude: -98.160000
Date/Time Start: 2014-11-01T00:00:00 * Date/Time End: 2015-02-28T00:00:00
Minimum DEPTH, ice/snow: 131.235 m * Maximum DEPTH, ice/snow: 841.035 m
Event(s):
SPC14 (SPICE, South Pole Ice Core) * Latitude: -89.990000 * Longitude: -98.160000 * Date/Time Start: 2014-11-01T00:00:00 * Date/Time End: 2015-02-28T00:00:00 * Elevation: 2835.0 m * Method/Device: Electromechcanical / U.S. Intermediate Depth Drill
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DEPTH, ice/snowDepth ice/snowmAzharuddin, SyedGeocode
2 AGEAgeka BPAzharuddin, SyedGeocode – SP19 chronology of the South Pole (Epifanio et al., 2020)
3 Nitrous oxideN2Oµg/kgAzharuddin, SyedWet extraction technique; followed by Gas Chromatography-Mass Spectrometer, Agilent, 7890appb
4 Nitrous oxide, standard deviationN2O std dev±Azharuddin, SyedWet extraction technique; followed by Gas Chromatography-Mass Spectrometer, Agilent, 7890a
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
365 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Depth ice/snow [m]		2 
Age [ka BP]		3 
N2O [µg/kg]		4 
N2O std dev [±]
131.2350.13863268.60.5
134.9650.18360263.2
138.5350.22926264.41.6
151.2600.38760264.70.7
153.2550.41304262.10.0
163.0350.54233260.3
175.3350.70091262.51.3
181.0350.77778260.0
185.4250.83375268.00.8
190.9700.90576262.8
195.5400.96937262.20.4
201.0501.04175261.00.7
211.0501.15782259.10.8
217.5001.26343258.40.4
223.0501.32522256.11.8
229.5001.41202259.60.1
233.0501.45899263.01.0
239.0451.53706262.00.7
247.0501.63953262.41.9
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269.4801.95553267.91.2
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273.2702.01503267.62.7
277.0352.07176264.62.2
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841.03511.10000265.40.1