A Holocene Sedimentary Record From Lake Silvana, Se Brazil: Evidence For Paleoclimatic Changes From Mineral, Trace-metal And Pollen Data by Saulo Rodrigues-filhoA Holocene Sedimentary Record From Lake Silvana, Se Brazil: Evidence For Paleoclimatic Changes From Mineral, Trace-metal And Pollen Data by Saulo Rodrigues-filho

A Holocene Sedimentary Record From Lake Silvana, Se Brazil: Evidence For Paleoclimatic Changes From…

bySaulo Rodrigues-filho, German Müller

Paperback | September 17, 1999

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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.
Title:A Holocene Sedimentary Record From Lake Silvana, Se Brazil: Evidence For Paleoclimatic Changes From…Format:PaperbackPublished:September 17, 1999Publisher:Springer Berlin HeidelbergLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3540662057

ISBN - 13:9783540662051

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