Biomarker-Based Inferences of Past Climate: The TEX86 Paleotemperature Proxy

J. E. Tierney

doi:10.1016/B978-0-08-095975-7.01032-9

Biomarker-Based Inferences of Past Climate: The TEX86 Paleotemperature Proxy

J. E. Tierney

Research output: Chapter in Book/Report/Conference proceeding › Chapter

21 Scopus citations

Abstract

This chapter provides an overview and critical assessment of the TEX₈₆ (tetraether index of 86 carbons) paleotemperature proxy. This proxy is widely used to reconstruct past temperatures, especially in deep geologic time where other proxy methods may not be viable. Uncertainties concerning the ecological aspects of TEX₈₆ remain large and the development of accurate calibration models to translate TEX₈₆ to temperatures is an active area of research. Nevertheless, TEX₈₆ has revealed important insights into Earth's climate system and illustrates the applicability of molecular geochemistry to paleoclimate problems.

Original language	English (US)
Title of host publication	Organic Geochemistry
Publisher	Elsevier Inc.
Pages	379-393
Number of pages	15
Volume	12
ISBN (Print)	9780080983004
DOIs	https://doi.org/10.1016/B978-0-08-095975-7.01032-9
State	Published - Nov 2013
Externally published	Yes

Keywords

Biomarker temperatures
Glycerol dialkyl glycerol tetraethers

ASJC Scopus subject areas

General Chemistry
General Earth and Planetary Sciences
General Environmental Science

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10.1016/B978-0-08-095975-7.01032-9

Cite this

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title = "Biomarker-Based Inferences of Past Climate: The TEX86 Paleotemperature Proxy",

abstract = "This chapter provides an overview and critical assessment of the TEX86 (tetraether index of 86 carbons) paleotemperature proxy. This proxy is widely used to reconstruct past temperatures, especially in deep geologic time where other proxy methods may not be viable. Uncertainties concerning the ecological aspects of TEX86 remain large and the development of accurate calibration models to translate TEX86 to temperatures is an active area of research. Nevertheless, TEX86 has revealed important insights into Earth's climate system and illustrates the applicability of molecular geochemistry to paleoclimate problems.",

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AB - This chapter provides an overview and critical assessment of the TEX86 (tetraether index of 86 carbons) paleotemperature proxy. This proxy is widely used to reconstruct past temperatures, especially in deep geologic time where other proxy methods may not be viable. Uncertainties concerning the ecological aspects of TEX86 remain large and the development of accurate calibration models to translate TEX86 to temperatures is an active area of research. Nevertheless, TEX86 has revealed important insights into Earth's climate system and illustrates the applicability of molecular geochemistry to paleoclimate problems.

KW - Biomarker temperatures

KW - Glycerol dialkyl glycerol tetraethers

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EP - 393

BT - Organic Geochemistry

PB - Elsevier Inc.

ER -

Biomarker-Based Inferences of Past Climate: The TEX86 Paleotemperature Proxy

Abstract

Keywords

ASJC Scopus subject areas

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