The TEX86 Paleotemperature Proxy
The TEX86 paleothermometer is based upon the distribution of archaeal membrane lipids ('GDGTs') in marine sediments. GDGTs are ubiquitous, abundant and relatively resistant to degradation; as such, the TEX86 paleothermometer has been used to reconstruct sea surface temperature (SST) during the Cenozoic and early Mesozoic. We review the principles of the TEX86 proxy and developments made over the last two decades. We also discuss its application as a paleotemperature proxy and explore existing challenges and limitations.
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The TEX86 Paleotemperature Proxy
The TEX86 paleothermometer is based upon the distribution of archaeal membrane lipids ('GDGTs') in marine sediments. GDGTs are ubiquitous, abundant and relatively resistant to degradation; as such, the TEX86 paleothermometer has been used to reconstruct sea surface temperature (SST) during the Cenozoic and early Mesozoic. We review the principles of the TEX86 proxy and developments made over the last two decades. We also discuss its application as a paleotemperature proxy and explore existing challenges and limitations.
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The TEX86 Paleotemperature Proxy

The TEX86 Paleotemperature Proxy

The TEX86 Paleotemperature Proxy

The TEX86 Paleotemperature Proxy

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Overview

The TEX86 paleothermometer is based upon the distribution of archaeal membrane lipids ('GDGTs') in marine sediments. GDGTs are ubiquitous, abundant and relatively resistant to degradation; as such, the TEX86 paleothermometer has been used to reconstruct sea surface temperature (SST) during the Cenozoic and early Mesozoic. We review the principles of the TEX86 proxy and developments made over the last two decades. We also discuss its application as a paleotemperature proxy and explore existing challenges and limitations.

Product Details

ISBN-13: 9781108847520
Publisher: Cambridge University Press
Publication date: 10/22/2020
Series: Elements in Geochemical Tracers in Earth System Science
Sold by: Barnes & Noble
Format: eBook
File size: 5 MB

Table of Contents

1. Introduction; 2. History and systematics; 3. Extraction and analysis of GDGTs; 4. Ecophysiology and habitat of thaumarchaeota; 5. Preservation of GDGTs within the sedimentary record; 6. Constraints on the application of TEX86; 7. Calibration of TEX86 to SST; 8. Example applications of TEX86; 9. Future developments in TEX86 paleothermometry.
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