Brief communication: Candidate sites of 1.5&thinsp;Myr old ice 37&thinsp;km southwest of the Dome C summit, East Antarctica

Passalacqua, Olivier; Cavitte, Marie; Gagliardini, Olivier; Gillet-Chaulet, Fabien; Parrenin, Frédéric; Ritz, Catherine; Young, Duncan

doi:https://doi.org/10.5194/tc-12-2167-2018

Articles | Volume 12, issue 6

https://doi.org/10.5194/tc-12-2167-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-12-2167-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 6

Brief communication

| Highlight paper

|

28 Jun 2018

Brief communication | Highlight paper |

| 28 Jun 2018

Brief communication: Candidate sites of 1.5 Myr old ice 37 km southwest of the Dome C summit, East Antarctica

Olivier Passalacqua, Marie Cavitte, Olivier Gagliardini, Fabien Gillet-Chaulet, Frédéric Parrenin, Catherine Ritz, and Duncan Young

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Feb 2018	115	42	3	160
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Apr 2018	28	8	0	36
May 2018	19	6	0	25
Jun 2018	130	45	1	176
Jul 2018	571	79	3	653
Aug 2018	177	42	8	227
Sep 2018	101	26	0	127
Oct 2018	44	20	4	68
Nov 2018	44	21	1	66
Dec 2018	40	13	1	54
Jan 2019	48	17	0	65
Feb 2019	42	17	1	60
Mar 2019	38	20	0	58
Apr 2019	61	13	2	76
May 2019	72	18	3	93
Jun 2019	75	19	1	95
Jul 2019	56	13	2	71
Aug 2019	53	16	0	69
Sep 2019	44	10	0	54
Oct 2019	65	18	1	84
Nov 2019	48	6	3	57
Dec 2019	47	5	0	52
Jan 2020	71	11	7	89
Feb 2020	58	4	4	66
Mar 2020	65	11	0	76
Apr 2020	80	13	0	93
May 2020	93	9	1	103
Jun 2020	83	14	3	100
Jul 2020	92	59	9	160
Aug 2020	64	8	2	74
Sep 2020	80	7	0	87
Oct 2020	55	9	1	65
Nov 2020	40	11	1	52
Dec 2020	72	11	1	84
Jan 2021	91	18	2	111
Feb 2021	50	4	1	55
Mar 2021	56	11	0	67
Apr 2021	52	6	1	59
May 2021	59	6	2	67
Jun 2021	63	6	0	69
Jul 2021	69	12	0	81
Aug 2021	45	9	1	55
Sep 2021	49	16	0	65
Oct 2021	40	43	0	83
Nov 2021	48	22	0	70
Dec 2021	46	11	0	57
Jan 2022	51	21	0	72
Feb 2022	48	6	1	55
Mar 2022	49	8	2	59
Apr 2022	44	10	0	54
May 2022	50	15	1	66
Jun 2022	36	6	1	43
Jul 2022	52	7	0	59
Aug 2022	69	9	1	79
Sep 2022	39	7	2	48
Oct 2022	49	2	2	53
Nov 2022	45	11	2	58
Dec 2022	59	12	2	73
Jan 2023	63	13	2	78
Feb 2023	78	9	1	88
Mar 2023	82	9	2	93
Apr 2023	55	9	4	68
May 2023	46	11	0	57
Jun 2023	67	8	3	78
Jul 2023	44	4	2	50
Aug 2023	48	3	4	55
Sep 2023	49	12	3	64
Oct 2023	52	8	3	63
Nov 2023	20	1	0	21
Dec 2023	1	0	1

Cumulative views and downloads (calculated since 26 Feb 2018)

Month	HTML	PDF	XML	Total
Feb 2018	115	42	3	160
Mar 2018	131	42	0	173
Apr 2018	28	8	0	36
May 2018	19	6	0	25
Jun 2018	130	45	1	176
Jul 2018	571	79	3	653
Aug 2018	177	42	8	227
Sep 2018	101	26	0	127
Oct 2018	44	20	4	68
Nov 2018	44	21	1	66
Dec 2018	40	13	1	54
Jan 2019	48	17	0	65
Feb 2019	42	17	1	60
Mar 2019	38	20	0	58
Apr 2019	61	13	2	76
May 2019	72	18	3	93
Jun 2019	75	19	1	95
Jul 2019	56	13	2	71
Aug 2019	53	16	0	69
Sep 2019	44	10	0	54
Oct 2019	65	18	1	84
Nov 2019	48	6	3	57
Dec 2019	47	5	0	52
Jan 2020	71	11	7	89
Feb 2020	58	4	4	66
Mar 2020	65	11	0	76
Apr 2020	80	13	0	93
May 2020	93	9	1	103
Jun 2020	83	14	3	100
Jul 2020	92	59	9	160
Aug 2020	64	8	2	74
Sep 2020	80	7	0	87
Oct 2020	55	9	1	65
Nov 2020	40	11	1	52
Dec 2020	72	11	1	84
Jan 2021	91	18	2	111
Feb 2021	50	4	1	55
Mar 2021	56	11	0	67
Apr 2021	52	6	1	59
May 2021	59	6	2	67
Jun 2021	63	6	0	69
Jul 2021	69	12	0	81
Aug 2021	45	9	1	55
Sep 2021	49	16	0	65
Oct 2021	40	43	0	83
Nov 2021	48	22	0	70
Dec 2021	46	11	0	57
Jan 2022	51	21	0	72
Feb 2022	48	6	1	55
Mar 2022	49	8	2	59
Apr 2022	44	10	0	54
May 2022	50	15	1	66
Jun 2022	36	6	1	43
Jul 2022	52	7	0	59
Aug 2022	69	9	1	79
Sep 2022	39	7	2	48
Oct 2022	49	2	2	53
Nov 2022	45	11	2	58
Dec 2022	59	12	2	73
Jan 2023	63	13	2	78
Feb 2023	78	9	1	88
Mar 2023	82	9	2	93
Apr 2023	55	9	4	68
May 2023	46	11	0	57
Jun 2023	67	8	3	78
Jul 2023	44	4	2	50
Aug 2023	48	3	4	55
Sep 2023	49	12	3	64
Oct 2023	52	8	3	63
Nov 2023	20	1	0	21
Dec 2023	1	0	1

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Short summary

Locating a suitable drill site is a key step in the Antarctic oldest-ice challenge. Here we have conducted a 3-D ice flow simulation in the region of Dome C using a refined bedrock description. Five selection criteria are computed that together provide an objective overview on the local ice flow conditions. We delineate kilometer-scale favorable areas that overlap with the ones recently proposed by another group. We propose a few drill sites that should be surveyed during the next field seasons.