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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Hauptverfasser: | , |
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Format: | Elektronisch E-Book |
Sprache: | English |
Veröffentlicht: |
Berlin, Heidelberg
Springer Berlin Heidelberg
1999
|
Schriftenreihe: | Lecture Notes in Earth Sciences
88 |
Schlagworte: | |
Online-Zugang: | BTU01 URL des Erstveröffentlichers |
Zusammenfassung: | 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 |
Beschreibung: | 1 Online-Ressource (XII, 98 p. 51 illus) |
ISBN: | 9783540486794 |
DOI: | 10.1007/BFb0048176 |
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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 | ||
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Datensatz im Suchindex
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any_adam_object | |
author | Rodrigues-Filho, Saulo Mller, German |
author_facet | Rodrigues-Filho, Saulo Mller, German |
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discipline | Geologie / Paläontologie Geographie |
doi_str_mv | 10.1007/BFb0048176 |
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isbn | 9783540486794 |
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spelling | Rodrigues-Filho, Saulo Verfasser aut A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data by Saulo Rodrigues-Filho, German Mller Berlin, Heidelberg Springer Berlin Heidelberg 1999 1 Online-Ressource (XII, 98 p. 51 illus) txt rdacontent c rdamedia cr rdacarrier Lecture Notes in Earth Sciences 88 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 Earth Sciences Geology Atmospheric Sciences Oceanography Hydrogeology Earth sciences Atmospheric sciences Palökologie (DE-588)4044430-2 gnd rswk-swf Palynologie (DE-588)4121448-1 gnd rswk-swf Geochemie (DE-588)4020198-3 gnd rswk-swf Holozän (DE-588)4160492-1 gnd rswk-swf Seesediment (DE-588)4180674-8 gnd rswk-swf Silvanasee (DE-588)4567598-3 gnd rswk-swf Silvanasee (DE-588)4567598-3 g Holozän (DE-588)4160492-1 s Seesediment (DE-588)4180674-8 s Geochemie (DE-588)4020198-3 s Palynologie (DE-588)4121448-1 s Palökologie (DE-588)4044430-2 s DE-604 Mller, German aut Erscheint auch als Druck-Ausgabe 9783540662051 https://doi.org/10.1007/BFb0048176 Verlag URL des Erstveröffentlichers Volltext |
spellingShingle | Rodrigues-Filho, Saulo Mller, German A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data Earth Sciences Geology Atmospheric Sciences Oceanography Hydrogeology Earth sciences Atmospheric sciences Palökologie (DE-588)4044430-2 gnd Palynologie (DE-588)4121448-1 gnd Geochemie (DE-588)4020198-3 gnd Holozän (DE-588)4160492-1 gnd Seesediment (DE-588)4180674-8 gnd |
subject_GND | (DE-588)4044430-2 (DE-588)4121448-1 (DE-588)4020198-3 (DE-588)4160492-1 (DE-588)4180674-8 (DE-588)4567598-3 |
title | A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data |
title_auth | A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data |
title_exact_search | A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data |
title_full | A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data by Saulo Rodrigues-Filho, German Mller |
title_fullStr | A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data by Saulo Rodrigues-Filho, German Mller |
title_full_unstemmed | A Holocene Sedimentary Record from Lake Silvana, SE Brazil Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data by Saulo Rodrigues-Filho, German Mller |
title_short | A Holocene Sedimentary Record from Lake Silvana, SE Brazil |
title_sort | a holocene sedimentary record from lake silvana se brazil evidence for paleoclimatic changes from mineral trace metal and pollen data |
title_sub | Evidence for Paleoclimatic Changes from Mineral, Trace-Metal and Pollen Data |
topic | Earth Sciences Geology Atmospheric Sciences Oceanography Hydrogeology Earth sciences Atmospheric sciences Palökologie (DE-588)4044430-2 gnd Palynologie (DE-588)4121448-1 gnd Geochemie (DE-588)4020198-3 gnd Holozän (DE-588)4160492-1 gnd Seesediment (DE-588)4180674-8 gnd |
topic_facet | Earth Sciences Geology Atmospheric Sciences Oceanography Hydrogeology Earth sciences Atmospheric sciences Palökologie Palynologie Geochemie Holozän Seesediment Silvanasee |
url | https://doi.org/10.1007/BFb0048176 |
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