Citation:

PANGAEA.935765

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Related to:

Kuhn, Gerhard; Gaedicke, Christoph; Gromig, Raphael; Smith, Emma Clare; Tiedemann, Ralph; Läufer, Andreas; Wilhelms, Frank; Eisen, Olaf; Gong, Da; Yazhou, Li; Dummann, Wolf; Berger, Sophie; Römpler, Oliver (2019): Sub-EIS-Obs – Seafloor sampling below the Ekström Ice Shelf. In: Fromm, T, Oberdieck, C, Heitland, T, and Köhler, P (eds.), Expeditions to Antarctica: ANT-Land 2018/19 Neumayer Station III, Kohnen Station, Flight Operations and Field Campaigns: Bremerhaven, Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 733, 91-101, https://doi.org/10.2312/BzPM_0733_2019

Project(s):

Paleoenvironmental Reconstructions from Marine Sediments @ AWI (AWI_Paleo)

Sub-EIS-Obs (Sub-EIS-Obs)

Coverage:

Median Latitude: -70.671413 * Median Longitude: -8.116508 * South-bound Latitude: -70.767860 * West-bound Longitude: -8.250430 * North-bound Latitude: -70.624800 * East-bound Longitude: -7.900900

Date/Time Start: 2018-01-01T00:00:00 * Date/Time End: 2019-01-01T00:00:00

Minimum Elevation: -115.0 m * Maximum Elevation: 335.0 m

Event(s):

ATKA-b * Latitude: -70.624800 * Longitude: -8.117800 * Date/Time: 2019-01-01T00:00:00 * Elevation: -87.0 m * Location: Atka Bight * Method/Device: Digital Camera, GoPro (GOPRO)

EIS-2a (20170553) * Latitude: -70.635290 * Longitude: -8.250430 * Date/Time: 2018-01-03T13:30:00 * Elevation Start: 35.0 m * Elevation End: 285.0 m * Recovery: 0.02 m * Location: Ekstroem Ice Shelf, Antarctic - 3500m NW of Neumayer III * Campaign: * Basis: NEUMAYER III * Method/Device: Grab (GRAB) * Comment: Ice shelf thickness 192 m, HWD sucessful; logging started at 12am immediately after hole was completed. This is a surface bulk sample, Elevation2 = Ice surface to sea floor depth = robe length [m]

EIS-2b (20170553) * Latitude: -70.635290 * Longitude: -8.250430 * Date/Time: 2018-01-03T15:00:00 * Elevation Start: 35.0 m * Elevation End: 285.0 m * Recovery: 0.5 m * Location: Ekstroem Ice Shelf, Antarctic - 3500m NW of Neumayer III * Campaign: * Basis: NEUMAYER III * Method/Device: Gravity corer (GC) * Comment: Ice shelf thickness 192 m, undisturbed intact surface, Elevation2 = Ice surface to sea floor depth = robe length [m]

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Site	Site		Kuhn, Gerhard
2	DATE/TIME	Date/Time		Kuhn, Gerhard	Geocode
3	Area/locality	Area		Kuhn, Gerhard
4	LATITUDE	Latitude		Kuhn, Gerhard	Geocode
5	LONGITUDE	Longitude		Kuhn, Gerhard	Geocode
6	Depth, relative	Depth rel	m	Kuhn, Gerhard	below ice-shelf surface
7	Ice thickness	Ice thick	m	Kuhn, Gerhard
8	Water column thickness	Water col thick	m	Kuhn, Gerhard
9	Distance	Distance	km	Kuhn, Gerhard	from open water
10	Substrate type	Substrate		Kuhn, Gerhard
11	Benthic fauna	Benthic fauna		Kuhn, Gerhard
12	Benthic fauna	Benthic fauna		Kuhn, Gerhard	continued
13	Pelagic fauna	Pelagic fauna		Kuhn, Gerhard
14	Comment	Comment		Kuhn, Gerhard
15	Uniform resource locator/link to movie	URL movie		Kuhn, Gerhard

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

41 data points

Data

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

1 Site	2 Date/Time	3 Area	4 Latitude	5 Longitude	6 Depth rel [m] (below ice-shelf surface)	7 Ice thick [m]	8 Water col thick [m]	9 Distance [km] (from open water)	10 Substrate	11 Benthic fauna	12 Benthic fauna (continued)	13 Pelagic fauna	14 Comment	15 URL movie
EIS-2: 2a WG, 2b GC, 2e PC, 2f PC, 2g PC	2018-01	Ekström Ice Shelf	-70.63529	-8.25043	250	192	58	3.4	gravelly muddy sand	from sediment samples: 57 Bryozoa species, 5 Annelida species (Suppl. Table 2)			WG = Wippermann grabber; GC = Gravity corer, PC = Percussion corer (Kuhn et al., 2019)
EIS-3: 3c GC, 3e PC, 3f GC, 3g VC, 3h VC	2018-01	Ekström Ice Shelf	-70.76786	-7.90090	300	190	110	9.6	gravelly muddy sand	from sediment samples: 44 Bryozoa species, 6 Annelida species (Suppl. Table 2)			mixed sample from top gear-box of upside down penetrated VG = vibrocorer (VC) (Gong et al., 2019)
EIS-4: 4c T	2018-12	Ekström Ice Shelf	-70.65770	-8.19690	293	214	115	2.5	gravelly muddy sand	from seafloor video: 10-20% seafloor cover by living bryozoans/hydrozoans min. 8 morphotypes (=putative spp), much higher coverage by at least partly dead debris, compound ascidians (min 2 spp: yellow & milky-transparent?)	pencil sea urchin (Cidaridae) 2 spp: dark red & beige, ophiuroid, gorgonians?, 1-3 solitary ascidian spp, 1 sponge most likely a Rossella (Hexactinellida, (glass sponge))		T = TONI device with GoPro in Benthic 3 pressure housing and Nautilux Custom underwater video light (Kuhn et al., 2019)	https://doi.org/10.1594/PANGAEA.935764
ATKA b T	2019-01	Atka Bight	-70.62480	-8.11780	87	0	87	0.0	gravelly muddy sand; iceberg scours	from seafloor video: sponges (min 1 sp: Stylocordyla chupachups), several octocoral spp: gorgonians (Arntzia, Dasystenella/Thouarella, Primnoisis)	several bryozoan spp, compount ascidian, solitary ascidian, ophiuroid overgrown by sponge (Iophon radiatus), pantopod?, hemicordate?	Isopod (Antarcturidae,2 indiv.)	T = TONI device with GoPro in Benthic 3 pressure housing and Nautilux Custom underwater video light (Kuhn et al., 2019)	https://doi.org/10.1594/PANGAEA.935760