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GDGT-BASED PROXIES: STATE OF THE ART AND FUTURE DIRECTIONS

  23-25 April 2014

Organized by Jaap S. Sinninghe Damsté & Stefan Schouten

Keynote speakers

Isla Castaňeda

Kai Uwe Hinrichs

Brendan Keely

Jung-Hyun Kim

Guillemette Menot

Gesine Mollenhauer

Rich Pancost

Ann Pearson

Francien Peterse

Antoni Rosell-Mele

James Russell

Jaap S. Sinninghe Damsté

Jess Tierney

Joe Werne

Masanobu Yamamoto

Chuanlun Zhang

Program April 23

9:00

Arrival at NIOZ, coffee and tea; Set up posters (Noordzee room)

9:15

Opening words (Jaap Sinninghe Damsté organizer)

 

First session: Structural diversity and sources of GDGTs (Session chair Ellen Hopmans)

9:25

Keynote : Brendan Keely (York University) “Archaeal lipid core distributions in hyperthermophiles: responses to growth conditions”

10:05

Keynote : Kai Uwe Hinrichs (University of Bremen) “Distribution patterns of recently identified core GDGTs and their polar precursors in the marine environment”

10:45

Coffee/tea break

11:00

Steve Rowland (University of Plymouth) "Distributions of C80 tetraacids in regional oilfield deposits"

11:25

Julius Lipp (University of Bremen) "Separation of archaeal tetraether lipids: state of the art and future perspectives"

11:50

Keynote: Ann Pearson (Harvard University) “Using carbon isotopes to understand sources of archaeal GDGTs in the marine environment: A call for more measurements”

12:30

Lunch (buffet style, next to the meeting room).

 

 

13:15

Poster session 1.

 

Opportunity to visit NIOZ Organic Geochemistry labs

 

 

 

Second session: Sources and provenance of GDGTs (Session chair Joe Werne)

14:30

Keynote : Chuanlun Zhang (Tongji University) "A summary of 10 years of research on GDGTs from terrestrial hot springs"

15:10

Keynote : Jaap Sinninghe Damsté (NIOZ) “Branched GDGTs: Biological origin and transport from land to sea"

15:50

Coffee/tea break

16:15

Robert Sparkes (University of Manchester) "GDGT distribution across the east Siberian shelf"

16:40

Cindy De Jonge (NIOZ) “Novel branched GDGTs: occurrence in the environment and implications for the use of the CBT/MBT’ proxies”

17:05

Keynote : Rich Pancost (Bristol University) “We can measure MBT/CBT parameters in lignites but what are they telling us?”

17:45

End of day program. Catch ferry at 18.00 o’clock.

 

 

Program April 24

9:00

Arrival at NIOZ, coffee and tea; Set up posters (Noordzee room)

 

 

 

Third session: Calibration of GDGT proxies (Session chair Ann Pearson)

9:25

Keynote : Jess Tierney (WHOI) “Bayesian, spatially-varying calibration models for GDGT proxies"

10:05

Keynote : Gesine Mollenhauer (AWI) "What does TEX86 tell us in different regions of the world? Studies in the high latitudes and at continental margins"

10:45

Coffee/tea break

11:00

Yi Ge Zhang (Yale University) "Ring index: towards quality controls for the TEX86 paleothermometry"

11:25

XiaoXia Lü (University of Bremen) “Distribution of hydroxylated isoprenoidal GDGTs in Coastal East China Sea: potential SST proxies for a mid-latitude marginal sea"

11:50

Keynote: Jung Hyun Kim (NIOZ) "Influence of deep-water derived isoprenoid tetraether lipids on the paleothermometer"”

12.25

photo session

12:30

Lunch (buffet style, next to the meeting room).

 

 

13:15

Poster session 2.

 

Opportunity to visit NIOZ Organic Geochemistry labs

 

 

 

Fourth session: Applications in the marine environment (Session chair Rich Pancost)

14:30

Keynote : Masanobu Yamamoto (Hokkaido University) “TEX86 for paleotemperature estimation from polar to tropical oceans”

15:10

Keynote : Isla Castaňeda (University of Massachusetts) “Paleoceanographic insights from subsurface temperature reconstructions based on TEX86

15:50

Coffee/tea break

16:15

Sze Ling Ho (AWI Bremerhaven) “Dissimilar magnitudes of LGM cooling revealed by TEX86H and UK’37: ecology or calibration?“

16:40

Felix Elling (University of Bremen) “Influence of growth phase, temperature and salinity on the membrane lipid composition in the marine ammonia-oxidizing archaeon Nitrosopumilus maritimus

17:05

Courtney Warren (Yale) “GDGTs in Aquaria: Assessing the role of phylogeny in model environments”

17:45

Depart for the ferry of 18.00. (leave NIOZ 17:45)

18:45

Conference buffet at Willemsoord, Den Helder -21:00

Program April 25

 9.00

Arrival at NIOZ, coffee and tea.

 

Fifth session: Application in the marine & terrestrial environment (Session chair Isla Castaňeda)

 9:25

Laura Villanueva (NIOZ) “Depth-related distribution of a key gene of the GDGT biosynthetic pathway in marine thaumarchaeota and implications for the GDGT signal”

10:05

Keynote : Guillemette Menot (CEREGE) "Last glacial temperatures : a view from marginal basins and continental margins"

10:45

Coffee/tea break

11:00

Shannon Loomis (Brown University) “Seasonal variability of branched glycerol dialkyl glycerol tetraethers in a temperate lake system”

11:25

Yuki Weber (University of Basel) “In situ production of branched GDGT in lakes: new insights from sediments and soils of the Swiss Alps”

11:50

Keynote : Toni Rosell-Melé (AUB) "Reconstruction of terrestrial processes in marine records using GDGTs"

12:30

Lunch (buffet style, next to the meeting room)

 

 

 

Sixth session: Applications in the terrestrial environment (Session chair Kai Uwe Hinrichs)

13:30

Keynote : James Russell (Brown University) "The thermal history of tropical East Africa:  insights from branched GDGTs"

14:10

Keynote : Joe Werne (Pittsburgh University) "Applications of GDGTs as paleothermometers in lakes"

14:50

Coffee/tea break

15:15

Devon Colcord (University of Massachusetts) "Assessment of GDGTs as paleotemperature proxies in a series of lacustrine sediments from Southwestern Greenland"

15:40

Keynote : Francien Peterse (ETH) “Past air temperature and monsoon variability in East Asia - a GDGT perspective”

16:20

End discussion and concluding remarks

 

(Discussion leader: Jaap Sinninghe Damsté)

17:00

Farewell drinks

-18:30

 

Abstracts

Download here the abstractbook

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