Diatom chemistry as a potential paleoproxy for sea surface conditions

S.P. Akse; M.V.M. Kienhuis; J.B.M. Middelburg; L. Polerecky

Diatom chemistry as a potential paleoproxy for sea surface conditions

S.P. Akse, M.V.M. Kienhuis, J.B.M. Middelburg, L. Polerecky

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Abstract

Diatoms are responsible for over 40% of the total primary production and yet they are not a leading paleo-proxy. Instead, over the past few decades, foraminiferal-based proxies have dominated climate reconstruction research. Developments in analytical techniques have made it possible to look at chemical characteristics of samples on nanometer scale and may thus improve our understanding of the nature of diatoms. In this study we aim to identify changes in elemental ratios related to environmental changes, in both the diatom frustule itself and the occluded organic matter. Here we present the first results from Nano-SIMS (Secondary Ion Mass Spectrometer) analysis on Mediterranean diatoms obtained during the 2016 NESSC cruise.

Original language	English
Publication status	Published - Jul 2016
Event	Urbino Summer School in Paleoclimatology - Urbino, Italy Duration: 13 Jul 2016 → 28 Jul 2016

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Other	Urbino Summer School in Paleoclimatology
Abbreviated title	USSP
Country/Territory	Italy
City	Urbino
Period	13/07/16 → 28/07/16

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title = "Diatom chemistry as a potential paleoproxy for sea surface conditions",

abstract = "Diatoms are responsible for over 40% of the total primary production and yet they are not a leading paleo-proxy. Instead, over the past few decades, foraminiferal-based proxies have dominated climate reconstruction research. Developments in analytical techniques have made it possible to look at chemical characteristics of samples on nanometer scale and may thus improve our understanding of the nature of diatoms. In this study we aim to identify changes in elemental ratios related to environmental changes, in both the diatom frustule itself and the occluded organic matter. Here we present the first results from Nano-SIMS (Secondary Ion Mass Spectrometer) analysis on Mediterranean diatoms obtained during the 2016 NESSC cruise.",

author = "S.P. Akse and M.V.M. Kienhuis and J.B.M. Middelburg and L. Polerecky",

year = "2016",

month = jul,

language = "English",

note = "Urbino Summer School in Paleoclimatology, USSP ; Conference date: 13-07-2016 Through 28-07-2016",

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TY - CONF

T1 - Diatom chemistry as a potential paleoproxy for sea surface conditions

AU - Akse, S.P.

AU - Kienhuis, M.V.M.

AU - Middelburg, J.B.M.

AU - Polerecky, L.

PY - 2016/7

Y1 - 2016/7

N2 - Diatoms are responsible for over 40% of the total primary production and yet they are not a leading paleo-proxy. Instead, over the past few decades, foraminiferal-based proxies have dominated climate reconstruction research. Developments in analytical techniques have made it possible to look at chemical characteristics of samples on nanometer scale and may thus improve our understanding of the nature of diatoms. In this study we aim to identify changes in elemental ratios related to environmental changes, in both the diatom frustule itself and the occluded organic matter. Here we present the first results from Nano-SIMS (Secondary Ion Mass Spectrometer) analysis on Mediterranean diatoms obtained during the 2016 NESSC cruise.

AB - Diatoms are responsible for over 40% of the total primary production and yet they are not a leading paleo-proxy. Instead, over the past few decades, foraminiferal-based proxies have dominated climate reconstruction research. Developments in analytical techniques have made it possible to look at chemical characteristics of samples on nanometer scale and may thus improve our understanding of the nature of diatoms. In this study we aim to identify changes in elemental ratios related to environmental changes, in both the diatom frustule itself and the occluded organic matter. Here we present the first results from Nano-SIMS (Secondary Ion Mass Spectrometer) analysis on Mediterranean diatoms obtained during the 2016 NESSC cruise.

M3 - Poster

T2 - Urbino Summer School in Paleoclimatology

Y2 - 13 July 2016 through 28 July 2016

ER -

Diatom chemistry as a potential paleoproxy for sea surface conditions

Abstract

Other

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