Citation:

PANGAEA.945087

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Abstract:

Manual measurements of sea ice thickness, sub-ice platelet layer thickness, freeboard, and snow thickness are distributed evenly and repeated along a 25km-long transect across Atka Bay every 2 to 4 weeks. At each measurement location, 5 holes were drilled through the ice in order to determine the aforementioned parameters, one in the center and one in a distance of five meters in each direction, to cover their small-scale spatial variabilities. The measurements have been mainly conducted by the meteorologist (Paul Ockenfuß) and Jess Bunchek, Tanguy Doron and Linda Ort of the overwintering team.

Related to:

Arndt, Stefanie; Hoppmann, Mario; Schmithüsen, Holger; Fraser, Alexander; Nicolaus, Marcel (2020): Seasonal and interannual variability of landfast sea ice in Atka Bay, Weddell Sea, Antarctica. The Cryosphere, 14(9), 2775-2793, https://doi.org/10.5194/tc-14-2775-2020

Project(s):

Antarctic Fast Ice Network (AFIN)

Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158)

Sea Ice Physics @ AWI (AWI_SeaIce)

Funding:

German Research Foundation (DFG), grant/award no. 5472008 : Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas

Coverage:

Median Latitude: -70.591276 * Median Longitude: -7.818324 * South-bound Latitude: -70.615500 * West-bound Longitude: -8.048360 * North-bound Latitude: -70.575040 * East-bound Longitude: -7.484250

Date/Time Start: 2021-05-24T10:55:00 * Date/Time End: 2021-12-30T12:55:00

Event(s):

ATKA03-2021 (Atka_Ice_Port) * Latitude: -70.575040 * Longitude: -8.048360 * Date/Time Start: 2021-05-24T10:55:00 * Date/Time End: 2021-12-30T10:54:00 * Location: Atka Bay * Campaign: * Basis: NEUMAYER III * Method/Device: Ice measurement (ICEM)

ATKA07-2021 (Atka_Ice_Port) * Latitude: -70.582000 * Longitude: -7.944000 * Date/Time Start: 2021-06-29T12:15:00 * Date/Time End: 2021-12-30T12:01:00 * Location: Atka Bay * Campaign: * Basis: NEUMAYER III * Method/Device: Ice measurement (ICEM)

ATKA11-2021 (Atka_Ice_Port) * Latitude: -70.591533 * Longitude: -7.824533 * Date/Time Start: 2021-06-29T17:49:00 * Date/Time End: 2021-12-30T12:55:00 * Location: Atka Bay * Campaign: * Basis: NEUMAYER III * Method/Device: Ice measurement (ICEM)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Arndt, Stefanie
2	DATE/TIME	Date/Time		Arndt, Stefanie		Geocode – start, UTC
3	DATE/TIME	Date/Time		Arndt, Stefanie		Geocode – end, UTC
4	LATITUDE	Latitude		Arndt, Stefanie		Geocode
5	LONGITUDE	Longitude		Arndt, Stefanie		Geocode
6	Sample code/label	Sample label		Arndt, Stefanie
7	Air temperature at 2 m height	T2	°C	Arndt, Stefanie	Digital thermometer
8	Temperature, air	TTT	°C	Arndt, Stefanie	Digital thermometer	surface
9	Temperature, ice/snow	t	°C	Arndt, Stefanie	Digital thermometer	Snow surface
10	Temperature, ice/snow	t	°C	Arndt, Stefanie	Digital thermometer	Snow-ice interface
11	Temperature, water	Temp	°C	Arndt, Stefanie	Digital thermometer
12	Sea ice thickness	EsEs	m	Arndt, Stefanie	Ruler stick (RULER)	Center
13	Sub-ice platelet-layer thickness	SIPL	m	Arndt, Stefanie	Ruler stick (RULER)	Center
14	Snow thickness	Snow thick	m	Arndt, Stefanie	Ruler stick (RULER)	Center
15	Freeboard	Freeboard	m	Arndt, Stefanie	Ruler stick (RULER)	Center
16	Comment	Comment		Arndt, Stefanie		Center measurements
17	Sea ice thickness	EsEs	m	Arndt, Stefanie	Ruler stick (RULER)	North
18	Sub-ice platelet-layer thickness	SIPL	m	Arndt, Stefanie	Ruler stick (RULER)	North
19	Snow thickness	Snow thick	m	Arndt, Stefanie	Ruler stick (RULER)	North
20	Freeboard	Freeboard	m	Arndt, Stefanie	Ruler stick (RULER)	North
21	Comment	Comment		Arndt, Stefanie		North measurements
22	Sea ice thickness	EsEs	m	Arndt, Stefanie	Ruler stick (RULER)	East
23	Sub-ice platelet-layer thickness	SIPL	m	Arndt, Stefanie	Ruler stick (RULER)	East
24	Snow thickness	Snow thick	m	Arndt, Stefanie	Ruler stick (RULER)	East
25	Freeboard	Freeboard	m	Arndt, Stefanie	Ruler stick (RULER)	East
26	Comment	Comment		Arndt, Stefanie		East measurements
27	Sea ice thickness	EsEs	m	Arndt, Stefanie	Ruler stick (RULER)	South
28	Sub-ice platelet-layer thickness	SIPL	m	Arndt, Stefanie	Ruler stick (RULER)	South
29	Snow thickness	Snow thick	m	Arndt, Stefanie	Ruler stick (RULER)	South
30	Freeboard	Freeboard	m	Arndt, Stefanie	Ruler stick (RULER)	South
31	Comment	Comment		Arndt, Stefanie		South measurements
32	Sea ice thickness	EsEs	m	Arndt, Stefanie	Ruler stick (RULER)	West
33	Sub-ice platelet-layer thickness	SIPL	m	Arndt, Stefanie	Ruler stick (RULER)	West
34	Snow thickness	Snow thick	m	Arndt, Stefanie	Ruler stick (RULER)	West
35	Freeboard	Freeboard	m	Arndt, Stefanie	Ruler stick (RULER)	West
36	Comment	Comment		Arndt, Stefanie		West measurements
37	Comment	Comment		Arndt, Stefanie		general comment

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

902 data points

Data

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

1 Event	2 Date/Time (start, UTC)	3 Date/Time (end, UTC)	4 Latitude	5 Longitude	6 Sample label	7 T2 [°C] (Digital thermometer)	8 TTT [°C] (surface, Digital thermometer)	9 t [°C] (Snow surface, Digital thermom...)	10 t [°C] (Snow-ice interface, Digital t...)	11 Temp [°C] (Digital thermometer)	12 EsEs [m] (Center, Ruler stick)	13 SIPL [m] (Center, Ruler stick)	14 Snow thick [m] (Center, Ruler stick)	15 Freeboard [m] (Center, Ruler stick)	16 Comment (Center measurements)	17 EsEs [m] (North, Ruler stick)	18 SIPL [m] (North, Ruler stick)	19 Snow thick [m] (North, Ruler stick)	20 Freeboard [m] (North, Ruler stick)	21 Comment (North measurements)	22 EsEs [m] (East, Ruler stick)	23 SIPL [m] (East, Ruler stick)	24 Snow thick [m] (East, Ruler stick)	25 Freeboard [m] (East, Ruler stick)	26 Comment (East measurements)	27 EsEs [m] (South, Ruler stick)	28 SIPL [m] (South, Ruler stick)	29 Snow thick [m] (South, Ruler stick)	30 Freeboard [m] (South, Ruler stick)	31 Comment (South measurements)	32 EsEs [m] (West, Ruler stick)	33 SIPL [m] (West, Ruler stick)	34 Snow thick [m] (West, Ruler stick)	35 Freeboard [m] (West, Ruler stick)	36 Comment (West measurements)	37 Comment (general comment)
ATKA03-2021	2021-05-24T10:55:00	2021-05-24T14:15:00	-70.575040	-8.048360	ATKA03	-31.1	-33.1	-13.6	-8.5	-2.8	3.34	1.00	0.40	0.17		3.13	1.26	0.50	0.15	snow depth 45-55cm	2.65	1.04	0.55	0.15		3.12	1.07	0.55	0.14	snow depth 50-60cm	3.19	1.10	0.40	0.15	snow depth 40-45cm
ATKA03-2021	2021-06-29T10:15:00	2021-06-29T10:41:00	-70.575040	-8.048360	ATKA03	-31.5	-31.7	-23.6	-17.5	-2.8	4.79	0.30	0.32	0.17		2.99	1.73	0.43	0.15		2.63	1.56	0.47	0.17		3.13	1.76	0.62	0.13		3.19	1.60	0.54	0.10	2 drill rods lost
ATKA07-2021	2021-06-29T12:15:00	2021-06-29T12:49:00	-70.582000	-7.944000	ATKA07	-30.8	-30.0			-2.2	1.04	0.33	0.02	0.10		1.01	0.38	0.02	0.09		1.02	0.20	0.02	0.09		1.02	0.20	0.02	0.11		1.02	0.03	0.02	0.09
ATKA11-2021	2021-06-29T17:49:00	2021-06-29T18:23:00	-70.591533	-7.824533	ATKA11	-25.9	-24.8	-23.2	-19.6	-2.2	1.05	0.61	0.04	0.10		1.05	0.59	0.02	0.09		1.05	1.62	0.04	0.09		1.11	0.64	0.09	0.09		1.03	0.57	0.07	0.09
ATKA16-2021	2021-06-29T14:00:00	2021-06-29T14:53:00	-70.599250	-7.701850	ATKA16	-29.2	-31.3	-17.5	-2.1	-2.5	2.27	1.92	0.14	0.22		2.23	2.19	0.22	0.14		2.44	2.10	0.13	0.22		2.22	1.85	0.16	0.17		2.29	2.15	0.14	0.16
ATKA21-2021	2021-06-29T16:21:00	2021-06-29T16:56:00	-70.607333	-7.578000	ATKA21	-27.7	-28.4	-22.0	-22.1	-2.4	1.24	3.38	0.01	0.13		1.16	2.85	0.06	0.13		1.40	3.52	0.01	0.18		1.10	3.50	0.30	0.10		0.92	3.43	0.26	0.05
ATKA24-2021	2021-06-29T15:30:00	2021-06-29T16:02:00	-70.615500	-7.484250	ATKA24	-26.0	-26.8	-19.4	-7.9	-2.4	0.87	2.02	0.09	0.09		0.86	1.93	0.03	0.08		0.84	2.34	0.07	0.06		0.94	2.15	0.04	0.10		0.89	2.15	0.07	0.10
ATKA03-2021	2021-07-29T10:39:00	2021-07-29T11:09:00	-70.575040	-8.048360	ATKA03	-37.8	-37.6	-27.8	-20.2	-3.0	3.17	2.63	0.43	0.11	thermometer rather slow	3.15	2.74	0.55	0.04		2.66	1.83	0.40	0.12		3.05	2.49	0.55	0.10		3.24	2.50	0.43	0.10
ATKA07-2021	2021-07-29T12:33:00	2021-07-29T13:05:00	-70.582000	-7.944000	ATKA07	-37.4	-37.2	-34.8	-3.9	-2.7	1.39	1.08	0.20	0.09		1.33	0.79	0.18	0.10		1.33	1.02	0.21	0.07		1.29	1.03	0.19	0.04		1.35	1.13	0.20	0.07
ATKA11-2021	2021-07-29T16:43:00	2021-07-29T17:20:00	-70.591533	-7.824533	ATKA11	-35.9	-36.0	-25.1	-27.0	-2.3	1.34	1.16	0.18	0.08		1.34	1.06	0.20	0.09		1.33	1.67	0.18	0.07		1.41	1.18	0.16	0.10		1.32	0.94	0.17	0.09
ATKA16-2021	2021-07-29T15:40:00	2021-07-29T16:20:00	-70.599250	-7.701850	ATKA16	-36.4	-36.9	-31.6	-28.3	-2.6	2.27	3.14	0.26	0.12		2.25	2.80	0.24	0.18		2.33	3.17	0.15	0.17		2.25	2.80	0.14	0.19		1.46	3.75	0.27	0.17	sea ice surface uneven in close vicinity to borehole
ATKA21-2021	2021-07-29T14:47:00	2021-07-29T15:24:00	-70.607333	-7.578000	ATKA21	-31.8	-34.6	-35.0	-19.2	-2.3	1.50	3.84	0.48	0.06		1.43	3.13	0.43	0.05		1.66	3.81	0.48	0.04		1.29	4.09	0.55	-0.01		1.40	3.43	0.42	0.00
ATKA24-2021	2021-07-29T13:55:00	2021-07-29T14:27:00	-70.615500	-7.484250	ATKA24	-29.9	-30.7	-27.5	-29.7	-2.5	1.21	2.29	0.06	0.11		1.19	2.64	0.07	0.13		1.45	2.36	0.07	0.15		1.24	2.07	0.04	0.14		1.23	2.32	0.06	0.14
ATKA03-2021	2021-09-08T09:48:00	2021-09-08T11:20:00	-70.575040	-8.048360	ATKA03	-21.4	-22.9	-22.7	-14.7	-2.9	3.29	3.14	0.80	0.12		3.34	3.10	0.65	0.08		3.34	2.90	0.88	0.13		3.33	3.08	0.87	0.12		4.06	1.24	0.88	0.13
ATKA07-2021	2021-09-08T11:35:00	2021-09-08T12:00:00	-70.582000	-7.944000	ATKA07	-21.2	-21.4	-20.2	-17.3	-2.6	1.61	2.13	0.21	0.10		1.62	2.03	0.23	0.11		1.57	1.58	0.21	0.09		1.57	1.84	0.26	0.07		1.60	1.83	0.25	0.10
ATKA11-2021	2021-09-08T12:19:00	2021-09-08T12:50:00	-70.591533	-7.824533	ATKA11	-20.5	-20.1	-20.4	-19.2	-2.6	1.64	1.34	0.15	0.15		1.66	2.01	0.18	0.14		1.65	2.43	0.16	0.15		1.78	1.78	0.12	0.18		1.65	1.47	0.16	0.16
ATKA16-2021	2021-09-08T13:10:00	2021-09-08T13:52:00	-70.599250	-7.701850	ATKA16	-20.2	-19.0	-21.5	-17.3	-2.4	1.54	4.16	0.28	0.09	uneven snow surface	2.29	3.41	0.46	0.16	uneven snow surface	2.29	3.34	0.30	0.08	uneven snow surface	2.33	3.72	0.23	0.12	uneven snow surface	2.34	3.67	0.29	0.15	uneven snow surface
ATKA21-2021	2021-09-08T14:21:00	2021-09-08T14:58:00	-70.607333	-7.578000	ATKA21	-20.6	-17.3	-19.5	-15.0	-3.1	1.71	4.20	0.20	0.15		1.64	4.58	0.23	0.11	uneven snow surface	1.87	3.59	0.42	0.16		1.62	4.00	0.12	0.10		1.43	4.03	0.24	0.08	uneven snow surface
ATKA24-2021	2021-09-08T15:18:00	2021-09-08T16:02:00	-70.615500	-7.484250	ATKA24	-21.0	-24.4	-18.4	-16.5	-2.4	1.56	2.56	0.08	0.19		1.58	2.44	0.04	0.20		1.62	2.69	0.04	0.19		1.58	2.14	0.04	0.17		1.59	2.52	0.04	0.20
ATKA03-2021	2021-10-06T09:44:00	2021-10-06T11:17:00	-70.575040	-8.048360	ATKA03	-22.0	-24.3	-16.3	-12.3	-2.2	3.48	3.57	0.90	0.09		3.38	3.88	1.02	0.09		3.03	4.10	0.92	0.08		3.34	3.74	0.91	0.02		3.42	3.80	0.95	-0.01		water shows clear brwon color at ATKA24, ice rather hard
ATKA07-2021	2021-10-06T12:01:00	2021-10-06T12:44:00	-70.582000	-7.944000	ATKA07	-20.5	-19.3	-16.0	-12.0	-2.3	1.76	3.04	0.52	0.07		1.72	3.43	0.35	0.07		1.75	3.32	0.40	0.06		1.69	5.39	0.54	-0.01		1.71	3.32	0.54	-0.01		water shows clear brwon color at ATKA24, ice rather hard
ATKA11-2021	2021-10-06T16:58:00	2021-10-06T17:31:00	-70.591533	-7.824533	ATKA11	-21.2	-20.8	-16.9	-14.1	-2.3	1.80	2.62	0.30	0.10		1.87	3.19	0.35	0.07		1.79	2.68	0.40	0.09		1.91	2.81	0.39	0.12		1.77	2.77	0.39	0.09		water shows clear brown color at ATKA24, ice rather hard
ATKA16-2021	2021-10-06T13:15:00	2021-10-06T14:08:00	-70.599250	-7.701850	ATKA16	-20.2	-18.6	-20.6	-13.9	-2.2	2.38	3.57	0.45	0.13		2.29	3.71	0.53	0.14		2.40	3.94	0.44	0.10		2.37	3.81	0.36	0.12	uneven sea ice surface	2.45	4.27	0.48	0.17	uneven sea ice surface	water shows clear brwon color at ATKA24, ice rather hard
ATKA21-2021	2021-10-06T15:41:00	2021-10-06T16:15:00	-70.607333	-7.578000	ATKA21	-21.2	-20.5	-19.1	-15.3	-2.2	1.88	4.78	0.36	0.10		1.77	5.01	0.50	0.06		2.02	4.96	0.31	0.16		1.67	4.83	0.50	0.04		1.74	4.61	0.45	0.06		water shows clear brown color at ATKA24, ice rather hard
ATKA24-2021	2021-10-06T14:39:00	2021-10-06T15:23:00	-70.615500	-7.484250	ATKA24	-20.8	-18.8	-18.7	-17.9	-3.0	1.75	2.55	0.09	0.20		1.76	2.56	0.10	0.20		1.79	2.61	0.04	0.20		1.82	2.54	0.02	0.22		1.76	2.87	0.05	0.19		water shows clear brown color at ATKA24, ice rather hard
ATKA03-2021	2021-11-08T09:53:00	2021-11-08T12:05:00	-70.575040	-8.048360	ATKA03	-10.5	-11.1	-10.0	-20.1	-2.1	4.53	3.04	1.05	0.01		3.35	4.10	1.30	0.00		3.27	4.31	1.06	0.05		3.42	3.80	1.27	0.06		3.51	4.44	1.27	0.05
ATKA07-2021	2021-11-08T13:26:00	2021-11-08T14:16:00	-70.582000	-7.944000	ATKA07	-7.6	-8.4	-7.8	-6.6	-2.0	1.88	3.65	0.64	0.04		1.89	3.74	0.65	0.03		1.90	3.93	0.55	0.07		1.85	3.59	0.62	0.04		1.86	3.76	0.68	0.03
ATKA11-2021	2021-11-08T14:54:00	2021-11-08T15:30:00	-70.591533	-7.824533	ATKA11	-6.3	-6.9	-9.1	-6.6	-2.9	1.95	2.99	0.29	0.12		1.97	3.98	0.34	0.12		1.95	3.22	0.42	0.13		2.00	3.31	0.45	0.14		1.92	3.62	0.37	0.11
ATKA03-2021	2021-12-07T09:30:00	2021-12-07T10:54:00	-70.575040	-8.048360	ATKA03	-9.3	-9.1	-7.0	-3.0	-2.2	3.66	3.70	1.16	0.02		3.47	3.75	1.18	-0.01		3.20	3.72	1.16	0.01		3.48	4.37	1.12	0.03		3.62	3.98	1.14	0.02
ATKA07-2021	2021-12-07T11:07:00	2021-12-07T11:57:00	-70.582000	-7.944000	ATKA07	-8.1	-8.2	-6.9	-5.0	-2.1	1.96	3.92	0.60	0.03		1.96	3.81	0.68	0.00		1.95	4.35	0.61	0.04		1.91	4.42	0.67	0.01		1.95	4.44	0.64	-0.01
ATKA11-2021	2021-12-07T12:15:00	2021-12-07T13:19:00	-70.591533	-7.824533	ATKA11	-3.5	-4.5	-7.6	-5.3	-2.1	2.01	3.28	0.61	0.04		2.02	3.75	0.48	0.03		2.02	3.39	0.69	0.02		2.12	2.65	0.63	0.04		2.01		0.68	0.04
ATKA03-2021	2021-12-30T09:08:00	2021-12-30T10:54:00	-70.575040	-8.048360	ATKA03	-0.9	-1.4	-4.2	-5.6	-2.1	3.55	3.78	1.40	-0.10		3.66	3.64	1.31	-0.12		3.20	3.09	1.33	-0.06		3.58	3.52	1.38	-0.05		3.39	3.84	1.38	-0.10
ATKA07-2021	2021-12-30T11:24:00	2021-12-30T12:01:00	-70.582000	-7.944000	ATKA07	0.8	-0.3	-3.3	-3.8	-2.0	1.95	3.41	0.83	-0.08		1.98	3.38	0.78	-0.08		1.93	3.45	0.77	-0.07		1.93	3.26	0.73	-0.08		1.99	3.34	0.86	-0.09
ATKA11-2021	2021-12-30T12:18:00	2021-12-30T12:55:00	-70.591533	-7.824533	ATKA11	0.9	0.1	-3.5	-4.0	-1.9	2.08	2.14	0.75	-0.07		2.08	2.63	0.83	-0.06		2.06	2.45	0.80	-0.06		2.25	2.31	0.80	-0.03		2.08	2.29	0.80	-0.05