Citation:

PANGAEA.973601

Name: BrGDGT distributions in a composite sedimentary section from Lake Baikal, Russia
Published: 2025-02-28
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Age model; Branched GDGTs; calibration dataset; Composite depth; Lake Baikal

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Published: 2025-02-28 • DOI registered: 2025-03-29

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Keyword(s):

Age model; Branched GDGTs; calibration dataset; Composite depth; Lake Baikal

Related to:

Novak, Joseph B; Russell, James M; Lindemuth, Emma; Prokopenko, Alexander A; Pérez-Angel, Lina C; Zhao, Boyang; Swann, George E A; Polissar, Pratigya J (2025): The Branched GDGT Isomer Ratio Refines Lacustrine Paleotemperature Estimates. Geochemistry, Geophysics, Geosystems, 26(3), e2024GC012069, https://doi.org/10.1029/2024GC012069

Funding:

National Science Foundation (NSF), grant/award no. NNA 22-02918: Rainfall, Ecosystems, and Fire in Warm Late Neogene Climates of the Lake Baikal Region

Natural Environment Research Council (NERC), grant/award no. NE/J007765/1

Natural Environment Research Council (NERC), grant/award no. NE/J00829X/1

Natural Environment Research Council (NERC), grant/award no. NE/J010227/1

Coverage:

Median Latitude: 53.376642 * Median Longitude: 107.756250 * South-bound Latitude: 52.519400 * West-bound Longitude: 106.147200 * North-bound Latitude: 53.667170 * East-bound Longitude: 108.361000

Date/Time Start: 1991-08-02T00:00:00 * Date/Time End: 1992-07-28T00:00:00

Event(s):

333-PC2 * Latitude: 53.653000 * Longitude: 108.155800 * Lake water depth: 390 m * Location: Lake Baikal/Academician Ridge * Method/Device: Piston corer (PC)

340-PC1 * Latitude: 53.667170 * Longitude: 108.361000 * Lake water depth: 280 m * Location: Lake Baikal/Academician Ridge * Method/Device: Piston corer (PC)

340-TC1 * Latitude: 53.667000 * Longitude: 108.361000 * Lake water depth: 280 m * Location: Lake Baikal/Academician Ridge * Method/Device: Trigger corer (TC)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Novak, Joseph B
2	Sample ID	Sample ID		Novak, Joseph B
3	AGE	Age	ka BP	Novak, Joseph B		Geocode
4	Temperature, calculated	T cal	°C	Novak, Joseph B	Estimated according to Wang et al. (2024)	Growth temperature
5	Temperature, air, mean of months, above freezing	MAF	°C	Novak, Joseph B	Calculated according to Raberg et al. (2021)	Methylation set
6	Temperature, air, mean of months, above freezing	MAF	°C	Novak, Joseph B	Calculated according to Raberg et al. (2021)	Full set
7	Temperature, calculated	T cal	°C	Novak, Joseph B	Calculated according to Martinez-Sosa	2.5% MBT'5ME Martinez-Sosa global lakes
8	Temperature, calculated	T cal	°C	Novak, Joseph B	Calculated according to Martinez-Sosa	50% MBT'5ME Martinez-Sosa global lakes
9	Temperature, calculated	T cal	°C	Novak, Joseph B	Calculated according to Martinez-Sosa	97.5% MBT'5ME Martinez-Sosa global lakes
10	Temperature, calculated	T cal	°C	Novak, Joseph B	Estimated	MBT'5ME temp middle high lat IR0_4 calibration
11	Temperature, calculated	T cal	°C	Novak, Joseph B	Estimated	MBT'5ME global lakes IR0_4 calibration
12	Methylation index of 5-methyl branched glycerol dialkyl glycerol tetraether	MBT5ME		Novak, Joseph B	see reference(s)
13	Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers	IR6me		Novak, Joseph B	see reference(s)
14	Cyclization ratio of branched tetraethers prime	CBT'		Novak, Joseph B	see reference(s)
15	Branched and isoprenoid tetraether index	BIT		Novak, Joseph B	see reference(s)
16	Branched glycerol dialkyl glycerol tetraether, Ia, fractional abundance	brGDGT Ia		Novak, Joseph B	see reference(s)
17	Branched glycerol dialkyl glycerol tetraether, Ib, fractional abundance	brGDGT Ib		Novak, Joseph B	see reference(s)
18	Branched glycerol dialkyl glycerol tetraether, Ic, fractional abundance	brGDGT Ic		Novak, Joseph B	see reference(s)
19	Branched glycerol dialkyl glycerol tetraether, IIa, fractional abundance	brGDGT IIa		Novak, Joseph B	see reference(s)
20	Branched glycerol dialkyl glycerol tetraether, IIa', fractional abundance	brGDGT IIa'		Novak, Joseph B	see reference(s)
21	Branched glycerol dialkyl glycerol tetraether, IIb, fractional abundance	brGDGT IIb		Novak, Joseph B	see reference(s)
22	Branched glycerol dialkyl glycerol tetraether, IIb', fractional abundance	brGDGT IIb'		Novak, Joseph B	see reference(s)
23	Branched glycerol dialkyl glycerol tetraether, IIc, fractional abundance	brGDGT IIc		Novak, Joseph B	see reference(s)
24	Branched glycerol dialkyl glycerol tetraether, IIc', fractional abundance	brGDGT IIc'		Novak, Joseph B	see reference(s)
25	Branched glycerol dialkyl glycerol tetraether, IIIa, fractional abundance	brGDGT IIIa		Novak, Joseph B	see reference(s)
26	Branched glycerol dialkyl glycerol tetraether, IIIa', fractional abundance	brGDGT IIIa'		Novak, Joseph B	see reference(s)
27	Branched glycerol dialkyl glycerol tetraether, IIIb, fractional abundance	brGDGT IIIb		Novak, Joseph B	see reference(s)
28	Branched glycerol dialkyl glycerol tetraether, IIIb', fractional abundance	brGDGT IIIb'		Novak, Joseph B	see reference(s)
29	Branched glycerol dialkyl glycerol tetraether, IIIc, fractional abundance	brGDGT IIIc		Novak, Joseph B	see reference(s)
30	Branched glycerol dialkyl glycerol tetraether, IIIc', fractional abundance	brGDGT IIIc'		Novak, Joseph B	see reference(s)
31	Branched glycerol dialkyl glycerol tetraether	brGDGTs	ng/g	Novak, Joseph B	see reference(s)	Sum
32	Acyclic glycerol dialkyl glycerol tetraether, fractional abundance	GDGT-0		Novak, Joseph B	see reference(s)
33	Monocyclic glycerol dialkyl glycerol tetraether, fractional abundance	GDGT-1		Novak, Joseph B	see reference(s)
34	Dicyclic glycerol dialkyl glycerol tetraether, fractional abundance	GDGT-2		Novak, Joseph B	see reference(s)
35	Tricyclic glycerol dialkyl glycerol tetraether, fractional abundance	GDGT-3		Novak, Joseph B	see reference(s)
36	Crenarchaeol, fractional abundance	Cren		Novak, Joseph B	see reference(s)
37	Crenarchaeol regio-isomer, fractional abundance	Cren'		Novak, Joseph B	see reference(s)

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

2695 data points

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