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|a Late Holocene sea-level rise in Tampa Bay: Integrated reconstruction using biomarkers, pollen, organic-walled dinoflagellate cysts, and diatoms |h [electronic resource]. |
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|a [S.l.] : |b Elsevier, |c 2010. |
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|a Estuarine, Coastal and Shelf Science 86. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a A suite of organic geochemical, micropaleontological and palynological proxies was applied to sediments
from Southwest Florida, to study the Holocene environmental changes associated with sea-level rise.
Sediments were recovered from Hillsborough Bay, part of Tampa Bay, and studied using biomarkers,
pollen, organic-walled dinoflagellate cysts and diatoms. Analyses show that the site flooded around
7.5 ka as a consequence of Holocene transgression, progressively turning a fresh/brackish marl-marsh
into a shallow, restricted marine environment. Immediately after the marine transgression started,
limited water circulation and high amounts of runoff caused stratification of the water column. A shift in
dinocysts and diatom assemblages to more marine species, increasing concentrations of marine
biomarkers and a shift in the Diol Index indicate increasing salinity between 7.5 ka and the present,
which is likely a consequence of progressing sea-level rise. Reconstructed sea surface temperatures for
the past 4 kyrs are between 25 and 26 [degree] C, and indicate stable temperatures during the Late Holocene. A
sharp increase in sedimentation rate in the top w50 cm of the core is attributed to human impact. The
results are in agreement with parallel studies from the area, but this study further refines the environmental
reconstructions having the advantage of simultaneously investigating changes in the
terrestrial and marine environment. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a J.S. Sinninghe Damste. |
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|t Late Holocene sea-level rise in Tampa Bay: Integrated reconstruction using biomarkers, pollen, organic-walled dinoflagel.. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15060939/00001 |y Click here for full text |
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|3 Host material |u http://www.sciencedirect.com/science/article/pii/S0272771409005253 |y Late Holocene sea-level rise in Tampa Bay: Integrated reconstruction using biomarkers, pollen, organic-walled dinoflagel.. |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/09/39/00001/FI15060939thm.jpg |
