A holocene sedimentary record from Lake Silvana, SE Brazil : evidence for paleoclimatic changes from mineral, trace-metal and pollen data
Mineralogical-sedimentological and geochemical investigations in combination with pollen data of a 12.7-m-long dated sediment core from Lake Silvana, SE Brazil, permit the reconstruction of the climatic history over the past 10,000 years. The lowermost section (I) reflects a coarse paleosol-type sed...
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| Главные авторы: | , |
|---|---|
| Формат: | Livre numérique |
| Язык: | Anglais |
| Опубликовано: |
Berlin [etc.] :
Springer
[20..].
Cham : Springer Nature |
| Серии: | Lecture notes in Earth sciences
88 |
| Предметы: | |
| Online-ссылка: | Accès sur la plateforme de l'éditeur Accès sur la plateforme Istex Accès Université d'Orléans Accès INSA CVL |
| Примечание: |
Archives Springer e-books (Licence nationale) Archives Springer e-books (Licence nationale) |
| Autres localisations: | Voir dans le Sudoc |
| Edition sous un autre format: | • A Holocene sedimentary record from Lake Silvana, SE Brazil, evidence for paleoclimatic changes from mineral, trace-metal, and pollen data, Saulo Rodrigues-Filho, German Müller, New York, Springer, 1999, 1 vol. (95 p.), Lecture notes in earth sciences, 978-3-540-66205-1 • A Holocene Sedimentary Record from Lake Silvana, SE Brazil, Texte imprimé, 9783662174111 |
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| 245 | 1 | 0 | |a A holocene sedimentary record from Lake Silvana, SE Brazil : |b evidence for paleoclimatic changes from mineral, trace-metal and pollen data |c by Saulo Rodrigues-Filho, German Müller. |
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| 520 | |a Mineralogical-sedimentological and geochemical investigations in combination with pollen data of a 12.7-m-long dated sediment core from Lake Silvana, SE Brazil, permit the reconstruction of the climatic history over the past 10,000 years. The lowermost section (I) reflects a coarse paleosol-type sediment with abundant plant debris and rootlets; pollen indicates grassland vegetation. Section II represents fine-grained lake sediments; pollen indicates a savanna-like vegetation. Section III represents a pollen-free, coarse-grained allogenic sediment deposited under high transportation energy (increased precipitation). Section IV, a greenish sequence with increasing C content towards the top, has a pollen spectrum of present-day vegetation (semideciduous forest). The different sediment sections show a connection with erosional phases in the catchment of the lake, based on mineralogy and geochemistry, which are a response to climate development. | ||
| 650 | |a Paléoenvironnement | ||
| 650 | |a Paléoclimatologie | ||
| 650 | |a Géologie | ||
| 650 | |a Hydrogéologie | ||
| 650 | |a Sciences de la Terre | ||
| 650 | |a Océanographie | ||
| 650 | |a Holocène | ||
| 700 | 1 | |a Müller, German, |d 19..-...., |c géologue. |4 aut | |
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