Geochemistry of Globigerinoides ruber from ODP Hole 130-806B
Fuente:
PANGAEA
Guardado en:
| Autores principales: | , |
|---|---|
| Formato: | Dataset Open Access |
| Lenguaje: | en |
| Publicado: |
PANGAEA
2005
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1867168558870429696 |
|---|---|
| author | Medina-Elizalde, Martín Lea, David W |
| author_facet | Medina-Elizalde, Martín Lea, David W |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | A sea surface temperature (SST) record based on planktonic foraminiferal magnesium/calcium ratios from a site in the western equatorial Pacific warm pool reveals that glacial-interglacial oscillations in SST shifted from a period of 41,000 to 100,000 years at the mid-Pleistocene transition, 950,000 years before the present. SST changes at both periodicities were synchronous with eastern Pacific cold-tongue SSTs but preceded changes in continental ice volume. The timing and nature of tropical Pacific SST changes over the mid-Pleistocene transition implicate a shift in the periodicity of radiative forcing by atmospheric carbon dioxide as the cause of the switch in climate periodicities at this time. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_772015 |
| institution | PANGAEA |
| language | en |
| publishDate | 2005 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Geochemistry of Globigerinoides ruber from ODP Hole 130-806B Medina-Elizalde, Martín Lea, David W 130-806B; DRILL; Drilling/drill rig; Joides Resolution; Leg130; North Pacific Ocean; Ocean Drilling Program; ODP A sea surface temperature (SST) record based on planktonic foraminiferal magnesium/calcium ratios from a site in the western equatorial Pacific warm pool reveals that glacial-interglacial oscillations in SST shifted from a period of 41,000 to 100,000 years at the mid-Pleistocene transition, 950,000 years before the present. SST changes at both periodicities were synchronous with eastern Pacific cold-tongue SSTs but preceded changes in continental ice volume. The timing and nature of tropical Pacific SST changes over the mid-Pleistocene transition implicate a shift in the periodicity of radiative forcing by atmospheric carbon dioxide as the cause of the switch in climate periodicities at this time. |
| title | Geochemistry of Globigerinoides ruber from ODP Hole 130-806B |
| topic | 130-806B; DRILL; Drilling/drill rig; Joides Resolution; Leg130; North Pacific Ocean; Ocean Drilling Program; ODP |
| url | https://doi.org/10.1594/PANGAEA.772015 |