Branched glycerol dialkyl glycerol dialkyl (brGDGT) distributions in Lake Baikal sediments
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| Format: | Dataset Open Access |
| Sprache: | en |
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PANGAEA
2026
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| author | Novak, Joseph B Prokopenko, Alexander A Tarasov, Pavel E Russell, James M Lindemuth, Emma Shichi, Koji Kashiwaya, Kenji Peck, John A Vachula, Richard Swann, George E A Polissar, Pratigya J |
| author_facet | Novak, Joseph B Prokopenko, Alexander A Tarasov, Pavel E Russell, James M Lindemuth, Emma Shichi, Koji Kashiwaya, Kenji Peck, John A Vachula, Richard Swann, George E A Polissar, Pratigya J |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | An 8.6-million-year record of branched glycerol dialkyl glycerol dialkyl (brGDGT) distributions from Lake Baikal, Russia. BrGDGTs are membrane spanning lipids produced by bacteria in numerous growth media. The methylation patterns of brGDGTs are empirically related to changes in environmental temperature, making brGDGTs a useful proxy for temperature changes in the geologic record. The data archived here document shifts in brGDGT distributions (methylation, cyclization, and isomerization) that form the basis of the Lake Baikal brGDGT temperature record. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_983541 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Branched glycerol dialkyl glycerol dialkyl (brGDGT) distributions in Lake Baikal sediments Novak, Joseph B Prokopenko, Alexander A Tarasov, Pavel E Russell, James M Lindemuth, Emma Shichi, Koji Kashiwaya, Kenji Peck, John A Vachula, Richard Swann, George E A Polissar, Pratigya J 333-PC2; 340-PC1; 340-TC1; Age; AGE; BDP-96-1; BDP-96-2; BDP-98-1; BDP-98-2; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether, Ia, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ib, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ic, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, per unit sediment mass; Cyclization ratio of branched tetraethers prime; Depth, section; Event label; global mean surface temperature; HPC; Hydraulic piston corer; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Lake Baikal; Lake Baikal/Academician Ridge; Latitude of event; Longitude of event; Measurement conducted; Miocene; Neogene; Paleoclimate; paleovegetation; PC; Piston corer; Pleistocene; Pliocene; Quaternary; RCD; Rotary core drilling; Sample comment; Sample ID; Section; See description in dataset comment; Site; TC; Temperature, air, monthly mean; Temperature index; Trigger corer An 8.6-million-year record of branched glycerol dialkyl glycerol dialkyl (brGDGT) distributions from Lake Baikal, Russia. BrGDGTs are membrane spanning lipids produced by bacteria in numerous growth media. The methylation patterns of brGDGTs are empirically related to changes in environmental temperature, making brGDGTs a useful proxy for temperature changes in the geologic record. The data archived here document shifts in brGDGT distributions (methylation, cyclization, and isomerization) that form the basis of the Lake Baikal brGDGT temperature record. |
| title | Branched glycerol dialkyl glycerol dialkyl (brGDGT) distributions in Lake Baikal sediments |
| topic | 333-PC2; 340-PC1; 340-TC1; Age; AGE; BDP-96-1; BDP-96-2; BDP-98-1; BDP-98-2; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether, Ia, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ib, fractional abundance; Branched glycerol dialkyl glycerol tetraether, Ic, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIa', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIb', fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc, fractional abundance; Branched glycerol dialkyl glycerol tetraether, IIIc', fractional abundance; Branched glycerol dialkyl glycerol tetraether, per unit sediment mass; Cyclization ratio of branched tetraethers prime; Depth, section; Event label; global mean surface temperature; HPC; Hydraulic piston corer; Isomer ratio of 6-methyl branched glycerol dialkyl glycerol tetraethers; Lake Baikal; Lake Baikal/Academician Ridge; Latitude of event; Longitude of event; Measurement conducted; Miocene; Neogene; Paleoclimate; paleovegetation; PC; Piston corer; Pleistocene; Pliocene; Quaternary; RCD; Rotary core drilling; Sample comment; Sample ID; Section; See description in dataset comment; Site; TC; Temperature, air, monthly mean; Temperature index; Trigger corer |
| url | https://doi.org/10.1594/PANGAEA.983541 |