| _version_ | 1867169969939152896 |
|---|---|
| author | Chiessi, Cristiano Mazur Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold |
| author_facet | Chiessi, Cristiano Mazur Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Detrending natural and anthropogenic components of climate variability is arguably an issue of utmost importance to society. To accomplish this issue, one must rely on a comprehensive understanding of the natural variability of the climate system on a regional level. Here we explore how different proxies (e.g., stalagmite oxygen isotopic composition, pollen percentages, bulk sediment elemental ratios) record Holocene precipitation variability over southeastern South America. We found a general good agreement between the different records both on orbital and centennial time-scales. Dry mid Holocene, and wet late Holocene, Younger Dryas and a period between ~9.4 and 8.12 cal kyr BP seem to be pervasive features. Moreover, we show that proxy-specific sensitivity can greatly improve past precipitation reconstructions. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_736806 |
| institution | PANGAEA |
| language | en |
| publishDate | 2010 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Al/Si record of sediment core GeoB6211-2 Chiessi, Cristiano Mazur Mulitza, Stefan Pätzold, Jürgen Wefer, Gerold AGE; Aluminium/Silicon ratio; Argentine Basin; Calculated, see reference(s); Center for Marine Environmental Sciences; DEPTH, sediment/rock; GeoB6211-2; Gravity corer (Kiel type); M46/2; MARUM; Meteor (1986); SL Detrending natural and anthropogenic components of climate variability is arguably an issue of utmost importance to society. To accomplish this issue, one must rely on a comprehensive understanding of the natural variability of the climate system on a regional level. Here we explore how different proxies (e.g., stalagmite oxygen isotopic composition, pollen percentages, bulk sediment elemental ratios) record Holocene precipitation variability over southeastern South America. We found a general good agreement between the different records both on orbital and centennial time-scales. Dry mid Holocene, and wet late Holocene, Younger Dryas and a period between ~9.4 and 8.12 cal kyr BP seem to be pervasive features. Moreover, we show that proxy-specific sensitivity can greatly improve past precipitation reconstructions. |
| title | Al/Si record of sediment core GeoB6211-2 |
| topic | AGE; Aluminium/Silicon ratio; Argentine Basin; Calculated, see reference(s); Center for Marine Environmental Sciences; DEPTH, sediment/rock; GeoB6211-2; Gravity corer (Kiel type); M46/2; MARUM; Meteor (1986); SL |
| url | https://doi.org/10.1594/PANGAEA.736806 |