Citation:

bg-16-4023-2019

Name: Environmental indicators in surface sediments of Lake Bolshoe Toko, Yakutia, Russia
Published: 2019-09-25
License: https://creativecommons.org/licenses/by/4.0/
Keywords: climate; Late Cretaceous; palaeoenvironment; West Antarctica

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Abstract:

Here we present sedimentological, micro- and macropalaeontological, inorganic and organic geochemical, palaeomagnetic, and geochronological data as well as X-ray computer-tomography (CT) imagery obtained from successional drill cores 9R and 10R at MARUM-MeBo70 Site PS104_20-2 (73.57°S, 107.09°W; 946 m water depth). The site is located within the Pine Island cross-shelf trough in the Amundsen Sea Embayment (ASE), West Antarctica (Fig. 1a) and was part of RV Polarstern Expedition PS104 in 2017.

Keyword(s):

climate; Late Cretaceous; palaeoenvironment; West Antarctica

Project(s):

Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)

Polar Terrestrial Environmental Systems @ AWI (AWI_Envi)

Coverage:

Median Latitude: 56.052577 * Median Longitude: 130.890096 * South-bound Latitude: 55.996400 * West-bound Longitude: 130.803670 * North-bound Latitude: 56.101100 * East-bound Longitude: 130.950400

Date/Time Start: 2013-04-01T00:00:00 * Date/Time End: 2013-04-05T00:00:00

Minimum Elevation: 901.0 m * Maximum Elevation: 901.0 m

Event(s):

PG2112-1 * Latitude: 56.081950 * Longitude: 130.893980 * Date/Time: 2013-04-03T00:00:00 * Elevation: 901.0 m * Lake water depth: 45 m * Recovery: 0.46 m * Location: Lake Bolshoe Toko, Yakutia, Russia * Campaign: (Yakutia2013) * Basis: AWI Arctic Land Expedition * Method/Device: Gravity corer (GC) * Comment: Ice thickness: 92 cm

PG2113-1 * Latitude: 56.054050 * Longitude: 130.832980 * Date/Time: 2013-04-03T00:00:00 * Elevation: 901.0 m * Lake water depth: 62 m * Recovery: 0.5 m * Location: Lake Bolshoe Toko, Yakutia, Russia * Campaign: (Yakutia2013) * Basis: AWI Arctic Land Expedition * Method/Device: Gravity corer (GC) * Comment: Ice thickness: 87 cm

PG2114-1 * Latitude: 56.041330 * Longitude: 130.835870 * Date/Time: 2013-04-03T00:00:00 * Elevation: 901.0 m * Lake water depth: 72.5 m * Recovery: 0.47 m * Location: Lake Bolshoe Toko, Yakutia, Russia * Campaign: (Yakutia2013) * Basis: AWI Arctic Land Expedition * Method/Device: Gravity corer (GC) * Comment: Ice thickness: 85 cm

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Biskaborn, Boris K
2	Latitude of event	Latitude		Biskaborn, Boris K
3	Longitude of event	Longitude		Biskaborn, Boris K
4	DEPTH, sediment/rock	Depth sed	m	Biskaborn, Boris K	Geocode
5	Ice thickness	Ice thick	m	Biskaborn, Boris K
6	DEPTH, water	Depth water	m	Biskaborn, Boris K	Geocode
7	Distance	Distance	km	Biskaborn, Boris K
8	Water plants	Water plants		Biskaborn, Boris K	presence (1) or absence (0)
9	Carbon, organic, total	TOC	%	Biskaborn, Boris K	wt. %
10	Carbon, total	TC	%	Biskaborn, Boris K	wt. %
11	Nitrogen, total	TN	%	Biskaborn, Boris K	wt. %
12	δ13C, organic carbon	δ13C Corg	‰ PDB	Biskaborn, Boris K
13	Carbon, organic, total/Nitrogen, total ratio	TOC/TN		Biskaborn, Boris K
14	Sand	Sand	%	Biskaborn, Boris K
15	Silt	Silt	%	Biskaborn, Boris K
16	Size fraction < 0.002 mm, clay	<2 µm	%	Biskaborn, Boris K
17	Gravel	Gravel	%	Biskaborn, Boris K
18	Grain size, mean	Grain size mean	µm	Biskaborn, Boris K
19	End member	EM		Biskaborn, Boris K	grain-size endmember 1 scores
20	End member	EM		Biskaborn, Boris K	grain-size endmember 2 scores
21	End member	EM		Biskaborn, Boris K	grain-size endmember 3 scores
22	Quartz	Qz	%	Biskaborn, Boris K
23	Plagioclase	Pl	%	Biskaborn, Boris K
24	Kalifeldspar	Kfs	%	Biskaborn, Boris K
25	Smectite+Chlorite	Smectite+Chlorite	%	Biskaborn, Boris K
26	Mica	Mica	%	Biskaborn, Boris K
27	Kaolinite+Chlorite	Kln+Chl	%	Biskaborn, Boris K
28	Pyrite, FeS2	Py	%	Biskaborn, Boris K
29	Hornblende	Hbl	%	Biskaborn, Boris K
30	Species richness	S		Biskaborn, Boris K	diatoms
31	Diatom valves, per unit sediment mass	Diatom valv/sed	#/g	Biskaborn, Boris K	dry sediment
32	Diatoms, planktic/benthic ratio	Diatom plankt/bent		Biskaborn, Boris K
33	Crysophyte/diatoms ratio	Crysophyte/diatom		Biskaborn, Boris K
34	Mallomonas/diatoms ratio	Mallomonas/diatom		Biskaborn, Boris K
35	Diatom dissolution index	DDI		Biskaborn, Boris K
36	Simpson index of diversity	Simpson I		Biskaborn, Boris K	diatoms
37	Diatoms, δ18O	Diatoms δ18O	‰ SMOW	Biskaborn, Boris K
38	Diatoms, epiphytic	Epiphytic	%	Biskaborn, Boris K
39	Diatoms, epibenthic	Diatom epibenthic	%	Biskaborn, Boris K
40	Diatoms, planktic	Diatom plank	%	Biskaborn, Boris K
41	Diatoms, achnanthoid taxa	Achnanthoid	%	Biskaborn, Boris K
42	Aulacoseira	Aulacoseira	%	Biskaborn, Boris K
43	Cyclotella	Cyclotella	%	Biskaborn, Boris K
44	Tabellaria	Tabellaria	%	Biskaborn, Boris K
45	Pliocaenicus bolshetokoensis	P. bolshetokoensis	%	Biskaborn, Boris K
46	Diatoms, fragilarioid taxa	Fragilarioid	%	Biskaborn, Boris K
47	Nitzschia	Nitzschia	%	Biskaborn, Boris K
48	Diatoms, naviculoid taxa	Naviculoid	%	Biskaborn, Boris K
49	Diatoms, cymbelloid taxa	Cymbelloid	%	Biskaborn, Boris K
50	Eunotia	Eunotia	%	Biskaborn, Boris K
51	Aluminium (centered log ratio)	Al (CLR)		Biskaborn, Boris K
52	Silicon (centered log ratio)	Si (CLR)		Biskaborn, Boris K
53	Potassium (centered log ratio)	K (CLR)		Biskaborn, Boris K
54	Calcium (centered log ratio)	Ca (CLR)		Biskaborn, Boris K
55	Titanium (centered log ratio)	Ti (CLR)		Biskaborn, Boris K
56	Manganese (centered log ratio)	Mn (CLR)		Biskaborn, Boris K
57	Iron (centered log ratio)	Fe (CLR)		Biskaborn, Boris K
58	Copper (centered log ratio)	Cu (CLR)		Biskaborn, Boris K
59	Zinc (centered log ratio)	Zn (CLR)		Biskaborn, Boris K
60	Bromine (centered log ratio)	Br (CLR)		Biskaborn, Boris K
61	Rubidium (centered log ratio)	Rb (CLR)		Biskaborn, Boris K
62	Strontium (centered log ratio)	Sr (CLR)		Biskaborn, Boris K
63	Zirconium (centered log ratio)	Zr (CLR)		Biskaborn, Boris K
64	Lead (centered log ratio)	Pb (CLR)		Biskaborn, Boris K
65	Strontium/Rubidium ratio	Sr/Rb		Biskaborn, Boris K	additive log ratio (ALR)
66	Zirconium/Rubidium ratio	Zr/Rb		Biskaborn, Boris K	additive log ratio (ALR)
67	Aluminium/Titanium ratio	Al/Ti		Biskaborn, Boris K	additive log ratio (ALR)
68	Silicon/Titanium ratio	Si/Ti		Biskaborn, Boris K	additive log ratio (ALR)
69	Silicon/Zirconium ratio	Si/Zr		Biskaborn, Boris K	additive log ratio (ALR)
70	Manganese/Titanium ratio	Mn/Ti		Biskaborn, Boris K	additive log ratio (ALR)
71	Manganese/Iron ratio	Mn/Fe		Biskaborn, Boris K	additive log ratio (ALR)
72	Chironomidae	Chironomidae	%	Nazarova, Larisa B	Littoral-Semiterrestrial Chironomids
73	Chironomidae	Chironomidae	%	Nazarova, Larisa B	littoral Chironomids
74	Chironomidae	Chironomidae	%	Nazarova, Larisa B	profundal Chironomids
75	Chironomidae	Chironomidae	%	Nazarova, Larisa B	biotop_unknown Chironomids
76	Chironomidae	Chironomidae	%	Nazarova, Larisa B	water energy running Chironomids
77	Chironomidae	Chironomidae	%	Nazarova, Larisa B	water energy running-standing Chironomids
78	Chironomidae	Chironomidae	%	Nazarova, Larisa B	water energy standing Chironomids
79	Chironomidae	Chironomidae	%	Nazarova, Larisa B	water energy unknown Chironomids
80	Chironomidae	Chironomidae	%	Nazarova, Larisa B	C_habitat_phytophilic Chironomids
81	Chironomidae	Chironomidae	%	Nazarova, Larisa B	C_habitat_Neutral Chironomids
82	Chironomidae	Chironomidae	%	Nazarova, Larisa B	C_habitat_unknown Chironomids
83	Chironomidae	Chironomidae	%	Nazarova, Larisa B	Temperature Optimum from 14to17 Chironomids
84	Chironomidae	Chironomidae	%	Nazarova, Larisa B	Temperature Optimum from11to13 Chironomids
85	Chironomidae	Chironomidae	%	Nazarova, Larisa B	Temperature Optimum from 7to10 Chironomids
86	Chironomidae	Chironomidae	%	Nazarova, Larisa B	Temperature Optimum unknown Chironomids
87	Species richness	S		Nazarova, Larisa B	Chironomid
88	Simpson index of diversity	Simpson I		Nazarova, Larisa B	Chironomid
89	Chironomini	Chironomini	%	Nazarova, Larisa B
90	Tanytarsini	Tanytarsini	%	Nazarova, Larisa B
91	Orthocladiinae	Orthocladiinae	%	Nazarova, Larisa B
92	Tanypodinae	Tanypodinae	%	Nazarova, Larisa B
93	Diamesinae	Diamesinae	%	Nazarova, Larisa B

License:

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

Size:

2030 data points

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