Citation:

PANGAEA.941480

Name: Spatial variability in sub-photic zone nitrate δ15N and surface mass balance across East Antarctica
Published: 2022-02-25
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Antarctica; Ice core; isotope; nitrate; nitrogen isotope ratio (δ15N); surface mass balance

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Abstract:

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).

Keyword(s):

Antarctica; Ice core; isotope; nitrate; nitrogen isotope ratio (δ15N); surface mass balance

Supplement to:

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

Related to:

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

Funding:

Agence Nationale de la Recherche (ANR), grant/award no. ANR10 LABX56

Agence Nationale de la Recherche (ANR), grant/award no. ANR-11-EQPX-0009-CLIMCOR

Agence Nationale de la Recherche (ANR), grant/award no. ANR-16- CE01-0011-01

BNP Paribas (France), grant/award no. 1115: BNP-Paribas Climate Initiative program 1115 (CHICTABA)

BNP Paribas (France), grant/award no. 1117: BNP-Paribas Climate Initiative program 1117 (CAPOXI 35-75)

BNP Paribas (France), grant/award no. 1169: BNP-Paribas Climate Initiative program 1169 (EAIIST)

European Commission (EC), grant/award no. 889508: European Horizon Marie Skłodowska-Curie individual fellowship 889508

Japan Society for the Promotion of Science (JSPS), grant/award no. MEXT/JSPS KAKENHI 20H04969

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.

Event(s):

Ant_ABN-1314 (ABN1314-103 ice core) * Latitude: -71.170000 * Longitude: 111.370000 * Elevation: 2679.0 m * Location: East Antarctica * Campaign: (Chemical and physical analysis in snow/firn for accumulation studies in Adelie L) * Method/Device: Ice corer (IC) * Comment: This 103 m long core was drilled beginning on 07 January 2014 as one of three ice cores at Aurora Basin North, Antarctica in the 2013-2014 field season.

Ant_ABN-DL1 * Latitude: -71.170000 * Longitude: 111.370000 * Elevation: 2679.0 m * Location: East Antarctica * Campaign: (Chemical and physical analysis in snow/firn for accumulation studies in Adelie L) * Method/Device: Snow pits/firn core/ice core

Ant_ABN-DL2 * Latitude: -71.170000 * Longitude: 111.370000 * Elevation: 2679.0 m * Location: East Antarctica * Campaign: (Chemical and physical analysis in snow/firn for accumulation studies in Adelie L) * Method/Device: Snow pits/firn core/ice core

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Akers, Pete D
2	Site	Site		Akers, Pete D
3	Site	Site		Akers, Pete D		Alternative site name
4	LATITUDE	Latitude		Akers, Pete D	GPS in field	Geocode
5	LONGITUDE	Longitude		Akers, Pete D	GPS in field	Geocode
6	ELEVATION	Elevation	m a.s.l.	Akers, Pete D	Extracted from REMA	Geocode – Reference Elevation Model of Antarctica (REMA)
7	Surface mass balance	SMB	kg/m²/a	Akers, Pete D	Physical measurement and observations	Reported from ground-based observations
8	Surface mass balance	SMB	kg/m²/a	Akers, Pete D	MAR output	Output from the Modèle Atmosphérique Régional (MAR) version 3.6.4 with European Centre for Medium-Range Weather Forecasts “Interim” re-analysis data, 1979-2017
9	Surface mass balance	SMB	kg/m²/a	Akers, Pete D	Bias-adjusted MAR output	As smb.mar.orig data adjusted for observed biases as described by Akers et al., 2022
10	Surface mass balance	SMB	kg/m²/a	Akers, Pete D		As a best option combination of smb.ground where available and smb.mar.adj otherwise
11	Type	Type		Akers, Pete D		Category of snow sampling methodology, as core (snow, firn, or ice core), pit (incrementally sampled snow pit), or dl (a ~5 cm thick layer at 1 m depth)
12	Campaign	Campaign		Akers, Pete D		Name of original scientific campaign that sampled the snow and nitrate
13	Transect	Transect		Akers, Pete D		Name of long-distance transect route on which site was sampled
14	Reference/source	Reference		Akers, Pete D		Citation of isotopic data
15	Reference/source	Reference		Akers, Pete D		Citation of surface mass balance data
16	Category	Cat		Akers, Pete D		Category of surface mass balance methodology, as stakes (repeatedly visited snow stakes), core (dated horizons in firn or ice core), or MAR (Modèle Atmosphérique Régional output)
17	Nitrate	[NO3]-	µg/kg	Akers, Pete D	Colorimetry and/or ion chromatography	Original concentration in ppb
18	δ15N	δ15N	‰ air	Akers, Pete D	Mass spectrometer, Finnigan, MAT 253	Isotopic ratio of nitrogen in archived nitrate, reported versus N2-Air standard
19	Comment	Comment		Akers, Pete D		Additional notes for the sample site and description of sample composition from original snow sampling

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Size:

1904 data points

Data

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

1 Event	2 Site	3 Site (Alternative site name)	4 Latitude (GPS in field)	5 Longitude (GPS in field)	6 Elevation [m a.s.l.] (Reference Elevation Model of ...)	7 SMB [kg/m²/a] (Reported from ground-based ob...)	8 SMB [kg/m²/a] (Output from the Modèle Atmosp...)	9 SMB [kg/m²/a] (As smb.mar.orig data adjusted...)	10 SMB [kg/m²/a] (As a best option combination ...)	11 Type (Category of snow sampling met...)	12 Campaign (Name of original scientific c...)	13 Transect (Name of long-distance transec...)	14 Reference (Citation of isotopic data)	15 Reference (Citation of surface mass bala...)	16 Cat (Category of surface mass bala...)	17 [NO3]- [µg/kg] (Original concentration in ppb...)	18 δ15N [‰ air] (Isotopic ratio of nitrogen in...)	19 Comment (Additional notes for the samp...)
Ant_asuma.2016.1	asuma.2016.1	glacioclim.c31	-67.54	138.01	1651	548.0	366.5	337.4	548.0	core	ASUMA	Other	This database	Glacioclim-c31	stakes	59.1	0.0065	weighted mean > 90 cm (excludes top core with surface)
Ant_asuma.2016.2	asuma.2016.2	asuma.03	-68.15	136.12	2101	488.0	312.5	288.3	488.0	core	ASUMA	Other	This database	Glacioclim-asuma03	stakes	43.5	0.0092	weighted mean > 90 cm (excludes top core with surface)
Ant_ABN-DL1	ABN-DL1	ABN	-71.17	111.37	2679	130.0	122.0	113.9	130.0	dl	CHICTABA	CHICTABA	This database	This database	core	49.0	0.0728	single sample 1 m depth
Ant_ABN-DL2	ABN-DL2	ABN	-71.17	111.37	2679	130.0	122.0	113.9	130.0	dl	CHICTABA	CHICTABA	This database	This database	core	96.4	0.0393	single sample 1 m depth
Ant_ABN-P4	ABN-P4	ABN	-71.17	111.37	2679	130.0	122.0	113.9	130.0	pit	CHICTABA	CHICTABA	This database	This database	core	82.2	0.0319	weighted mean of 30+ cm
Ant_ABN-P5	ABN-P5	ABN	-71.17	111.37	2679	130.0	122.0	113.9	130.0	pit	CHICTABA	CHICTABA	This database	This database	core	73.1	0.0458	weighted mean of 30+ cm
Ant_CHIC-01	CHIC-01		-70.43	134.14	2619		180.5	168.3	168.3	pit	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	104.5	0.0273	weighted mean of 30+ cm
Ant_CHIC-04	CHIC-04		-70.60	131.65	2741		159.9	149.6	149.6	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	97.3	0.0296	single sample 1 m depth
Ant_CHIC-05	CHIC-05		-70.68	130.17	2732		154.1	144.3	144.3	pit	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	68.0	0.0432	weighted mean of 30+ cm
Ant_CHIC-07	CHIC-07		-70.80	128.28	2780		161.7	151.2	151.2	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	84.6	0.0508	single sample 1 m depth
Ant_CHIC-10	CHIC-10		-70.98	125.86	2844		142.2	133.5	133.5	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	54.9	0.0621	single sample 1 m depth
Ant_CHIC-11	CHIC-11		-71.00	125.39	2828		139.9	131.4	131.4	pit	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	65.3	0.0311	weighted mean of 30+ cm
Ant_CHIC-13	CHIC-13		-71.14	122.97	2756		137.3	128.9	128.9	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	90.4	0.0416	single sample 1 m depth
Ant_CHIC-15	CHIC-15		-71.15	119.53	2667		145.1	136.1	136.1	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	72.6	0.0348	single sample 1 m depth
Ant_CHIC-18	CHIC-18		-71.17	116.15	2619		138.5	130.1	130.1	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	80.0	0.0253	single sample 1 m depth
Ant_CHIC-20	CHIC-20		-71.21	113.93	2638		133.3	125.0	125.0	dl	CHICTABA	CHICTABA	This database	Agosta et al. (2019)	MAR	78.3	0.0585	single sample 1 m depth
Ant_DC04	DC04	domeC	-75.10	123.35	3233	26.0	41.0	34.5	26.0	pit	DC Pits	Other	Frey et al. (2009)	Parrenin et al. (2007)	core	16.1	0.2200	weighted mean of 50+ cm
Ant_dc2010pits	dc2010pits	domeC	-75.10	123.35	3233	26.0	41.0	34.5	26.0	core	DC Pits	Other	This database	Parrenin et al. (2007)	core	29.9	0.2483	weighted mean of four pits; 30-50 cm
Ant_IV	IV		-69.91	136.70	2457		164.0	153.3	153.3	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	53.0	0.0063	single depth sample
Ant_VI	VI		-68.53	135.24	2306		286.1	264.3	264.3	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	131.0	0.0016	single depth sample
Ant_VIII	VIII		-69.31	134.33	2516		251.0	232.4	232.4	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	86.0	0.0348	single depth sample
Ant_X	X		-70.25	134.10	2610		192.6	179.3	179.3	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	76.0	0.0403	single depth sample
Ant_XII	XII		-71.61	132.99	2874		112.7	104.8	104.8	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	78.0	0.0378	single depth sample
Ant_XIV	XIV		-71.53	132.84	2865		115.6	107.6	107.6	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	87.0	0.0565	single depth sample
Ant_XVI	XVI		-72.32	130.47	3066		87.5	80.1	80.1	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	70.0	0.1121	single depth sample
Ant_XVIII	XVIII		-73.99	128.71	3121		54.8	48.0	48.0	dl	DC-CPH-0708	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	77.0	0.1389	single depth sample
Ant_DC07-1	DC07-1	domeC	-75.10	123.35	3233	26.0	41.0	34.5	26.0	pit	DC-D10-0708	DDU-Vostok	Erbland et al. (2013)	Parrenin et al. (2007)	core	37.4	0.2629	weighted mean of 30+ cm
Ant_DC07-2	DC07-2	domeC	-75.10	123.35	3233	26.0	41.0	34.5	26.0	pit	DC-D10-0708	DDU-Vostok	Erbland et al. (2013)	Parrenin et al. (2007)	core	21.9	0.3021	weighted mean of 30+ cm
Ant_DC07-3	DC07-3	domeC	-75.10	123.35	3233	26.0	41.0	34.5	26.0	pit	DC-D10-0708	DDU-Vostok	Erbland et al. (2013)	Parrenin et al. (2007)	core	68.4	0.2225	weighted mean of 30+ cm
Ant_S1	S1		-75.72	120.23	3206		35.7	29.3	29.3	pit	DC-Vostok-0910	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	10.6	0.2645	weighted mean of 30+ cm
Ant_S2	S2		-76.84	112.99	3326		31.8	25.4	25.4	pit	DC-Vostok-0910	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	13.7	0.2962	weighted mean of 30+ cm
Ant_S3	S3		-77.68	110.55	3398		30.8	24.4	24.4	pit	DC-Vostok-0910	DDU-Vostok	Erbland et al. (2013)	Agosta et al. (2019)	MAR	13.8	0.3366	weighted mean of 30+ cm
Ant_S4	S4	vostok	-78.47	106.80	3476	22.6	30.4	24.1	22.6	pit	DC-Vostok-0910	DDU-Vostok	Erbland et al. (2013)	Ekaykin et al. (2020)	stakes	45.0	0.2594	weighted mean of 30+ cm
Ant_V09-1	V09-1	vostok	-78.47	106.80	3476	22.6	30.4	24.1	22.6	pit	DC-Vostok-0910	DDU-Vostok	Erbland et al. (2013)	Ekaykin et al. (2020)	stakes	24.4	0.3349	weighted mean of 30+ cm
Ant_V09-2	V09-2	vostok	-78.47	106.80	3476	22.6	30.4	24.1	22.6	pit	DC-Vostok-0910	DDU-Vostok	Erbland et al. (2013)	Ekaykin et al. (2020)	stakes	29.2	0.2958	weighted mean of 30+ cm
Ant_ABN-1314	abn1314	ABN	-71.17	111.37	2679	130.0	122.0	113.9	130.0	core	EACores	Other	This database	This database	core	54.0	0.0426	weighted mean top 30 m (1996-1885 CE)
Ant_cph1516	cph1516		-66.75	139.59	556	120.0	247.2	228.9	120.0	core	EACores	Other	This database	This database	core	26.1	0.0042	weighted mean whole core
Ant_dc14	dc14	domeC	-75.10	123.35	3233	26.0	41.0	34.5	26.0	core	EACores	Other	This database	Parrenin et al. (2007)	core	19.0	0.1696	weighted mean 3.76-15.08 m (cores 3.2-14.2; excluding 5.1; 1970-1800 CE)
Ant_S80core	S80core		-80.00	40.50	3623	37.5	31.3	24.9	37.5	core	EACores	Other	This database	Hoshina et al. (2016)	stakes	14.9	0.1615	weighted mean 9-12.8 m (1870-1800 CE; avoiding abnormal upper oxygen values)
Ant_AGO5	AGO5	eaiist.out-11	-77.24	123.48	3087		32.3	25.9	25.9	pit	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	11.2	0.2974	weighted mean of 30+ cm
Ant_eaiist.stop01	eaiist.stop01	eaiist.out-02	-75.46	123.29	3218		38.3	31.8	31.8	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	9.1	0.2982	single sample 1 m depth
Ant_eaiist.stop02	eaiist.stop02	eaiist.out-03	-75.71	123.26	3198		36.8	30.3	30.3	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	32.0	0.2163	single sample 1 m depth
Ant_eaiist.stop03	eaiist.stop03	eaiist.out-04	-75.87	123.27	3182		36.1	29.6	29.6	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	9.6	0.2959	single sample 1 m depth
Ant_eaiist.stop04	eaiist.stop04	eaiist.out-06	-76.27	123.34	3143		34.3	27.9	27.9	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.9	0.3085	single sample 1 m depth
Ant_eaiist.stop05	eaiist.stop05	eaiist.out-08	-76.64	123.39	3122		33.2	26.8	26.8	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.2	0.2753	single sample 1 m depth
Ant_eaiist.stop06	eaiist.stop06	eaiist.out-10	-77.06	123.45	3095		32.5	26.1	26.1	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	6.1	0.2629	single sample 1 m depth
Ant_eaiist.stop07	eaiist.stop07	eaiist.out-11	-77.24	123.48	3087		32.3	25.9	25.9	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	5.8	0.3592	single sample 1 m depth
Ant_eaiist.stop08a	eaiist.stop08a	eaiist.out-12	-77.41	123.65	3078		32.3	25.9	25.9	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	6.2	0.2715	single sample 1 m depth
Ant_eaiist.stop08b	eaiist.stop08b	eaiist.out-14	-77.78	124.02	3058		32.6	26.2	26.2	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	21.3	0.2144	single sample 1 m depth
Ant_eaiist.stop09	eaiist.stop09	eaiist.out-15	-77.97	124.23	3043		32.8	26.4	26.4	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	18.9	0.2723	single sample 1 m depth
Ant_eaiist.stop10	eaiist.stop10	eaiist.out-17	-78.35	124.64	3010		33.9	27.5	27.5	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.2	0.2700	single sample 1 m depth
Ant_eaiist.stop11	eaiist.stop11	eaiist.out-20	-78.86	125.21	2950		36.1	29.6	29.6	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	7.2	0.2119	single sample 1 m depth
Ant_eaiist.stop12	eaiist.stop12	eaiist.out-22	-79.28	125.69	2898		37.0	30.5	30.5	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	9.5	0.3061	single sample 1 m depth
Ant_eaiist.stop13a	eaiist.stop13a	eaiist.out-24	-79.65	126.14	2864		37.6	31.1	31.1	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.1	0.3030	single sample 1 m depth
Ant_eaiist.stop13b	eaiist.stop13b	eaiist.out-27	-80.05	124.81	2870		37.4	30.9	30.9	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	24.9	0.2527	single sample 1 m depth
Ant_eaiist.stop14	eaiist.stop14	eaiist.out-29	-80.44	123.46	2907		36.9	30.4	30.4	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	5.4	0.2768	single sample 1 m depth
Ant_eaiist.stop19	eaiist.stop19	eaiist.return-10	-78.62	124.93	2982		35.2	28.8	28.8	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	28.9	0.2088	single sample 1 m depth
Ant_eaiist.stop20	eaiist.stop20	eaiist.return-12	-78.23	124.51	3019		33.5	27.1	27.1	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.6	0.3236	single sample 1 m depth
Ant_eaiist.stop21	eaiist.stop21	eaiist.return-14	-77.71	123.96	3062		32.5	26.1	26.1	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	10.1	0.2491	single sample 1 m depth
Ant_eaiist.stop22	eaiist.stop22	eaiist.return-17	-76.97	123.44	3099		32.6	26.2	26.2	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.1	0.2819	single sample 1 m depth
Ant_eaiist.stop23	eaiist.stop23	eaiist.return-20	-76.46	123.36	3127		33.7	27.3	27.3	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.0	0.3354	single sample 1 m depth
Ant_eaiist.stop24	eaiist.stop24	eaiist.return-22	-76.03	123.30	3168		35.3	28.9	28.9	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	8.7	0.3405	single sample 1 m depth
Ant_eaiist.stop25	eaiist.stop25	eaiist.return-23	-75.85	123.28	3184		36.2	29.7	29.7	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	11.0	0.2171	single sample 1 m depth
Ant_eaiist.stop26	eaiist.stop26	eaiist.return-24	-75.71	123.26	3198		36.8	30.3	30.3	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	9.6	0.3244	single sample 1 m depth
Ant_Paleo	Paleo	eaiist.out-24	-79.65	126.14	2864		37.6	31.1	31.1	pit	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	12.4	0.3091	weighted mean of 30+ cm
Ant_posteaiist.asuma01	posteaiist.asuma01	posteaiist-23	-67.80	137.05	1889	321.0	337.4	310.9	321.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma01	stakes	104.9	0.0020	single sample 1 m depth
Ant_posteaiist.asuma02	posteaiist.asuma02	posteaiist-22	-67.94	135.60	1981	239.0	343.0	316.0	239.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma02	stakes	44.0	0.0139	single sample 1 m depth
Ant_posteaiist.asuma03	posteaiist.asuma03	posteaiist-21	-68.15	136.12	2101	488.0	316.8	292.2	488.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma03	stakes	29.0	0.0033	single sample 1 m depth
Ant_posteaiist.asuma04	posteaiist.asuma04	posteaiist-20	-68.28	135.72	2195	215.0	304.2	280.8	215.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma04	stakes	34.0	0.0173	single sample 1 m depth
Ant_posteaiist.asuma05	posteaiist.asuma05	posteaiist-19	-68.48	135.31	2285	76.0	288.9	266.9	76.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma05	stakes	24.9	0.0190	single sample 1 m depth
Ant_posteaiist.asuma06	posteaiist.asuma06	posteaiist-18	-68.68	135.00	2363	131.0	280.4	259.1	131.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma06	stakes	59.4	-0.0008	single sample 1 m depth
Ant_posteaiist.asuma07	posteaiist.asuma07	posteaiist-17	-68.91	134.65	2437	273.0	271.1	250.7	273.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma07	stakes	44.9	0.0011	single sample 1 m depth
Ant_posteaiist.asuma08	posteaiist.asuma08	posteaiist-16	-69.07	134.41	2492	171.0	268.4	248.2	171.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma08	stakes	30.3	0.0065	single sample 1 m depth
Ant_posteaiist.asuma09	posteaiist.asuma09	posteaiist-15	-69.24	134.35	2523	219.0	256.6	237.5	219.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma09	stakes	47.9	0.0057	single sample 1 m depth
Ant_posteaiist.asuma10	posteaiist.asuma10	posteaiist-14	-69.43	134.79	2430	240.0	232.0	215.1	240.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma10	stakes	59.0	0.0305	single sample 1 m depth
Ant_posteaiist.asuma11	posteaiist.asuma11	posteaiist-13	-69.63	135.28	2422	243.0	203.6	189.3	243.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma11	stakes	39.6	0.0339	single sample 1 m depth
Ant_posteaiist.samba	posteaiist.samba	posteaiist-24	-67.60	137.77	1753		360.6	332.0	332.0	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	34.7	-0.0016	single sample 1 m depth
Ant_posteaiist.stop27	posteaiist.stop27	posteaiist-01	-74.75	124.43	3218	34.0	45.0	38.4	34.0	dl	EAIIST	EAIIST	This database	Pourchetet al. (1997) DC	core	46.4	0.1703	single sample 1 m depth
Ant_posteaiist.stop28	posteaiist.stop28	posteaiist-02	-74.35	125.57	3185		50.1	43.4	43.4	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	37.5	0.1742	single sample 1 m depth
Ant_posteaiist.stop29	posteaiist.stop29	posteaiist-03	-73.90	126.75	3155		56.0	49.2	49.2	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	36.7	0.1668	single sample 1 m depth
Ant_posteaiist.stop30	posteaiist.stop30	posteaiist-04	-73.47	127.86	3138		62.1	55.2	55.2	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	40.7	0.1643	single sample 1 m depth
Ant_posteaiist.stop31	posteaiist.stop31	posteaiist-05	-73.03	128.88	3141	80.0	70.4	63.3	80.0	dl	EAIIST	EAIIST	This database	Pourchetet al. (1997) D120	core	34.0	0.1244	single sample 1 m depth
Ant_posteaiist.stop32	posteaiist.stop32	posteaiist-06	-72.70	129.62	3120		77.7	70.5	70.5	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	50.9	0.1141	single sample 1 m depth
Ant_posteaiist.stop33	posteaiist.stop33	posteaiist-07	-72.25	130.64	3051		89.5	82.0	82.0	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	38.3	0.1297	single sample 1 m depth
Ant_posteaiist.stop34	posteaiist.stop34	posteaiist-08	-71.80	131.56	2984	86.0	103.6	95.9	86.0	dl	EAIIST	EAIIST	This database	Verfaillie et al. (2009) F3	stakes	44.1	0.1054	single sample 1 m depth
Ant_posteaiist.stop35	posteaiist.stop35	posteaiist-09	-71.41	132.33	2877	130.0	120.3	112.3	130.0	dl	EAIIST	EAIIST	This database	Pourchetet al. (1997) D100	core	48.0	0.0933	single sample 1 m depth
Ant_posteaiist.stop36	posteaiist.stop36	posteaiist-10	-70.93	133.24	2753	118.0	147.5	138.3	118.0	dl	EAIIST	EAIIST	This database	Verfaillie et al. (2009) F2	stakes	64.9	-0.0183	single sample 1 m depth
Ant_posteaiist.stop37	posteaiist.stop37	posteaiist-11	-70.43	134.14	2619		180.5	168.3	168.3	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	86.8	0.0200	single sample 1 m depth
Ant_posteaiist.stop38	posteaiist.stop38	posteaiist-12	-70.10	134.62	2521	198.0	197.5	183.7	198.0	dl	EAIIST	EAIIST	This database	Verfaillie et al. (2009) F1	stakes	58.9	0.0193	single sample 1 m depth
Ant_preeaiist.01	preeaiist.01	preeaiist-02	-66.70	139.83	210	97.6	133.1	124.8	97.6	dl	EAIIST	EAIIST	This database	Glacioclim-15	MAR	62.0	0.0236	single sample 1 m depth
Ant_preeaiist.02	preeaiist.02	preeaiist-03	-67.25	138.87	1375	487.8	439.0	403.3	487.8	dl	EAIIST	EAIIST	This database	Glacioclim-808	MAR	116.0	-0.0074	single sample 1 m depth
Ant_preeaiist.03	preeaiist.03	preeaiist-04	-67.57	137.92	1714	337.7	366.0	337.0	337.7	dl	EAIIST	EAIIST	This database	Glacioclim-c36.c39	MAR	36.0	-0.0108	single sample 1 m depth
Ant_preeaiist.04	preeaiist.04	preeaiist-06	-67.89	136.77	1925	280.0	330.1	304.3	280.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma01.asuma02	MAR	44.0	0.0039	single sample 1 m depth
Ant_preeaiist.05	preeaiist.05	preeaiist-09	-68.21	135.99	2156		310.3	286.3	286.3	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	40.0	0.0096	single sample 1 m depth
Ant_preeaiist.06	preeaiist.06	preeaiist-12	-68.59	135.14	2325	160.0	286.2	264.4	160.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma.05asuma06.asuma07	MAR	44.0	-0.0128	single sample 1 m depth
Ant_preeaiist.07	preeaiist.07	preeaiist-15	-69.03	134.46	2481	171.0	269.5	249.2	171.0	dl	EAIIST	EAIIST	This database	Glacioclim-asuma08	MAR	67.0	-0.0017	single sample 1 m depth
Ant_preeaiist.08	preeaiist.08	preeaiist-18	-69.57	134.27	2524		234.8	217.7	217.7	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	50.0	0.0059	single sample 1 m depth
Ant_preeaiist.09	preeaiist.09	preeaiist-20	-70.13	134.13	2596	198.0	201.0	186.9	198.0	dl	EAIIST	EAIIST	This database	Verfaillie et al. (2009) F1	stakes	89.0	0.0100	single sample 1 m depth
Ant_preeaiist.10	preeaiist.10	preeaiist-22	-70.43	134.14	2619		180.5	168.3	168.3	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	34.0	0.0450	single sample 1 m depth
Ant_preeaiist.11	preeaiist.11	preeaiist-23	-71.07	132.98	2786		139.1	130.7	130.7	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	48.1	0.0617	single sample 1 m depth
Ant_preeaiist.12	preeaiist.12	preeaiist-26	-71.57	132.02	2917	130.0	113.3	105.4	130.0	dl	EAIIST	EAIIST	This database	Pourchetet al. (1997) D100	core	71.7	0.0487	single sample 1 m depth
Ant_preeaiist.13	preeaiist.13	preeaiist-28	-72.04	131.08	3003	86.0	95.1	87.5	86.0	dl	EAIIST	EAIIST	This database	Verfaillie et al. (2009) F3	stakes	98.9	0.0585	single sample 1 m depth
Ant_preeaiist.14	preeaiist.14	preeaiist-30	-72.54	129.97	3104		82.1	74.8	74.8	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	42.2	0.0882	single sample 1 m depth
Ant_preeaiist.15	preeaiist.15	preeaiist-32	-73.04	128.84	3139	80.0	70.0	62.9	80.0	dl	EAIIST	EAIIST	This database	Pourchetet al. (1997) D120	core	44.7	0.1579	single sample 1 m depth
Ant_preeaiist.16	preeaiist.16	preeaiist-34	-73.56	127.63	3142		60.8	53.9	53.9	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	41.8	0.1581	single sample 1 m depth
Ant_preeaiist.17	preeaiist.17	preeaiist-36	-74.06	126.34	3165		53.9	47.1	47.1	dl	EAIIST	EAIIST	This database	Agosta et al. (2019)	MAR	32.3	0.1702	single sample 1 m depth
Ant_preeaiist.18	preeaiist.18	preeaiist-38	-74.53	125.05	3200	34.0	47.8	41.1	34.0	dl	EAIIST	EAIIST	This database	Pourchetet al. (1997) DC	core	24.7	0.1752	single sample 1 m depth
Ant_dml.pit.a	dml.pit.a	kohnen	-75.00	0.07	2892	75.0	97.6	90.0	75.0	pit	EPICA-DML	Other	Winton et al. (2020)	Sommer et al. (2000)	core		0.0489	weighted mean of 15+ cm
Ant_dml.pit.b	dml.pit.b	kohnen	-75.00	0.07	2892	75.0	97.6	90.0	75.0	pit	EPICA-DML	Other	Winton et al. (2020)	Sommer et al. (2000)	core		0.0714	weighted mean of 15+ cm
Ant_DF1	DF1	domeF	-77.30	39.70	3800	29.2	35.6	29.2	29.2	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.2365	single full depth sample; corrected for photic zone
Ant_DF2	DF2	domeF	-77.30	39.70	3800	29.2	35.6	29.2	29.2	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.2201	single full depth sample; corrected for photic zone
Ant_Fuji_Pass	Fuji Pass		-77.40	41.50	3769	40.7	35.0	28.6	40.7	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.1370	single full depth sample; corrected for photic zone
Ant_IM0	IM0		-70.70	44.30	2256	68.5	99.2	91.6	68.5	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.0403	single full depth sample; corrected for photic zone
Ant_MD590	MD590		-76.00	41.00	3688	37.9	42.6	36.0	37.9	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.1347	single full depth sample; corrected for photic zone
Ant_NDF	NDF		-77.80	39.10	3763	30.9	33.2	26.8	30.9	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.2072	single full depth sample; corrected for photic zone
Ant_NMD304	NMD304		-73.10	42.90	3087	65.8	75.6	68.4	65.8	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.0654	single full depth sample; corrected for photic zone
Ant_Plateau_S	Plateau S		-79.40	40.50	3660	32.4	31.2	24.8	32.4	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.3081	single full depth sample; corrected for photic zone
Ant_S80pit	S80pit		-80.00	40.50	3623	37.5	31.3	24.9	37.5	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.1678	single full depth sample; corrected for photic zone
Ant_Z2	Z2		-70.00	42.40	1750	113.5	116.9	108.9	113.5	pit	JARE54	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.0308	single full depth sample; corrected for photic zone
Ant_H108	H108		-69.30	41.40	1345	185.0	250.7	232.1	185.0	pit	JARE57	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		-0.0064	single full depth sample; corrected for photic zone
Ant_H128	H128		-69.40	41.60	1408	158.8	210.2	195.3	158.8	pit	JARE57	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		0.0213	single full depth sample; corrected for photic zone
Ant_H42	H42		-69.10	40.90	1116	234.9	272.5	251.9	234.9	pit	JARE57	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		-0.0066	single full depth sample; corrected for photic zone
Ant_H68	H68		-69.20	41.10	1217	225.4	255.7	236.7	225.4	pit	JARE57	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		-0.0145	single full depth sample; corrected for photic zone
Ant_H88	H88		-69.30	41.20	1269	207.3	245.5	227.4	207.3	pit	JARE57	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		-0.0194	single full depth sample; corrected for photic zone
Ant_S30-JARE	S30-JARE		-69.00	40.70	977	271.9	288.6	266.6	271.9	pit	JARE57	JARE	Noro et al. (2018)	Hoshina et al. (2016)	stakes		-0.0190	single full depth sample; corrected for photic zone
Ant_cph.d17	cph.d17	glacioclim.95	-66.72	139.72	364	446.0	178.1	166.1	446.0	pit	Nicoflex	Other	This database	Glacioclim-95	stakes	45.6	0.0128	weighted mean of 3+ cm, 4 pits; smb is 2015 obs from GLACIOCLIM
Ant_cph.d24	cph.d24	glacioclim.162	-66.75	139.59	556	120.0	247.2	228.9	120.0	pit	Nicoflex	Other	This database	Glacioclim-162	core	60.1	-0.0023	weighted mean of 3+ cm, 4 pits; smb is 2015 obs from GLACIOCLIM
Ant_cph.d5	cph.d5	glacioclim.15	-66.70	139.89	114	97.6	139.7	131.2	97.6	pit	Nicoflex	Other	This database	Glacioclim-15	stakes	49.4	0.0182	weighted mean of 3+ cm, 4 pits; smb is 2004-2015 mean
Ant_DA2005	DA2005	domeA	-80.37	77.37	4092	22.9	41.2	34.7	22.9	core	Zhongshan-DA	Zhongshan-DA	Jiang et al. (2019)	Ding et al. (2016)	core	9.7	0.2643	weighted mean top 4 samples
Ant_ZtoA-P1	ZtoA-P1		-71.13	77.31	2054	172.0	153.4	143.7	172.0	pit	Zhongshan-DA	Zhongshan-DA	Shi et al. (2015)	Shi et al. (2015)	stakes	53.8	0.0209	weighted mean of 30+ cm
Ant_ZtoA-P2	ZtoA-P2		-71.81	77.89	2297	99.4	95.6	88.0	99.4	pit	Zhongshan-DA	Zhongshan-DA	Shi et al. (2015)	Shi et al. (2015)	stakes	83.5	0.0269	weighted mean of 30+ cm
Ant_ZtoA-P3	ZtoA-P3		-73.40	77.00	2558	90.7	76.3	69.1	90.7	pit	Zhongshan-DA	Zhongshan-DA	Shi et al. (2015)	Shi et al. (2015)	stakes	89.2	0.0213	weighted mean of 30+ cm
Ant_ZtoA-P4	ZtoA-P4		-76.29	77.03	2850	54.8	55.4	48.6	54.8	pit	Zhongshan-DA	Zhongshan-DA	Shi et al. (2015)	Shi et al. (2015)	stakes	60.2	0.1296	weighted mean of 30+ cm
Ant_ZtoA-P5	ZtoA-P5		-77.91	77.13	3164	33.3	61.5	54.6	33.3	pit	Zhongshan-DA	Zhongshan-DA	Shi et al. (2015)	Shi et al. (2015)	stakes	36.0	0.2107	weighted mean of 30+ cm
Ant_ZtoA-P7	ZtoA-P7	domeA	-80.42	77.12	4091	22.9	40.9	34.4	22.9	pit	Zhongshan-DA	Zhongshan-DA	Shi et al. (2015)	Ding et al. (2016)	stakes	15.3	0.3536	weighted mean of 30+ cm