Foraminifera density analyses of sediment core ML1208-16BB from central equatorial Pacific
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2026
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| author | Jacobel, Allison W Costa, Kassandra M Lynch-Stieglitz, Jean Marchitto, Thomas M |
| author_facet | Jacobel, Allison W Costa, Kassandra M Lynch-Stieglitz, Jean Marchitto, Thomas M |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Constraints on deep ocean carbonate chemistry are critical for understanding the processes responsible for glacial-interglacial changes in atmospheric pCO2 and the ocean feedbacks that amplify carbon cycle change. Here, we present the results of foraminifera density analyses (mass per feret diameter) as measured on the planktonic foraminifera G. ruber. These data are inconsistent with a co-registered B/Ca-based record of carbonate ion concentration (∆[CO32-]) suggesting a decoupling of bottom water and porewater carbonate chemistry. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_986847 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Foraminifera density analyses of sediment core ML1208-16BB from central equatorial Pacific Jacobel, Allison W Costa, Kassandra M Lynch-Stieglitz, Jean Marchitto, Thomas M Age model; B/Ca; carbonate preservation; Central equatorial Pacific; DEPTH, sediment/rock; Depth, sediment/rock, bottom/maximum; Depth, sediment/rock, top/minimum; Equatorial pacific ocean; GC; Globigerinoides ruber, Feret, diameter uncertainty; Globigerinoides ruber, Feret diameter; Globigerinoides ruber, mass per Feret diameter; Globigerinoides ruber, mass per Feret diameter, uncertainty; Gravity corer; LGM; Marcus G. Langseth; Mass; Mass, uncertainty; MGL2408; ML1208-16BB; see comment; trace metals; Ultramicrobalance, Mettler Toledo, XP2U Constraints on deep ocean carbonate chemistry are critical for understanding the processes responsible for glacial-interglacial changes in atmospheric pCO2 and the ocean feedbacks that amplify carbon cycle change. Here, we present the results of foraminifera density analyses (mass per feret diameter) as measured on the planktonic foraminifera G. ruber. These data are inconsistent with a co-registered B/Ca-based record of carbonate ion concentration (∆[CO32-]) suggesting a decoupling of bottom water and porewater carbonate chemistry. |
| title | Foraminifera density analyses of sediment core ML1208-16BB from central equatorial Pacific |
| topic | Age model; B/Ca; carbonate preservation; Central equatorial Pacific; DEPTH, sediment/rock; Depth, sediment/rock, bottom/maximum; Depth, sediment/rock, top/minimum; Equatorial pacific ocean; GC; Globigerinoides ruber, Feret, diameter uncertainty; Globigerinoides ruber, Feret diameter; Globigerinoides ruber, mass per Feret diameter; Globigerinoides ruber, mass per Feret diameter, uncertainty; Gravity corer; LGM; Marcus G. Langseth; Mass; Mass, uncertainty; MGL2408; ML1208-16BB; see comment; trace metals; Ultramicrobalance, Mettler Toledo, XP2U |
| url | https://doi.org/10.1594/PANGAEA.986847 |