Historical August Sea-Surface Temperature Estimates Utilising a Diatom Transfer Function with Core MD88-787
The purpose of this study was to estimate past sea-surface temperature in the Southeast Indian Ocean. The accumulation of diatom microplankton assemblages in sediments being the proxy for these records of climatic change.
A transfer function is a mathematical method that allows quantitative estimations of environmental parameters from past biogenic sedimentation. In this study, a diatom transfer function was established to relate biological species to selected environmental parameter of the ocean (sea-surface temp). These equations were then employed on observed fossil species from core samples to provide quantitative estimates of sea-surface temperature.
Estimates of sea-surface temperature (SST) are given here based on the assemblages of diatoms found in core MD88-787. The information provided gives the extrapolated age-scale through the core, and an estimate of August SST based on a diatom transfer function - DTF 109/24/6.
Données et ressources
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Antarctic Diatom DatabasePDF Ouvrir
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Historical August sea-surface temperature estimates at location of core MD88-787PDF Ouvrir
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Raw diatom counts through core MD88-787PDF Ouvrir
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Core Data – Southern and Indian OceanWMS Ouvrir
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License GraphicPNG Ouvrir
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Informations supplémentaires
| Date (publication) | 2007-09-18 |
|---|---|
| Statut | completed |
| Fréquence de mise à jour | notPlanned |
| Langue des métadonnées | en |
| Licence | Creative Commons Attribution 4.0 |
| Métadonnées sources | ISO 19115 XML |
| Dernière mise à jour | 2026-11-05 |
| Créé | 2026-11-05 |
| API | package_show |