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Past Climate Change

Past Climate Change as the Key to the Future!

PhD Positions 2 Dec 2023, 3:40 pm

DFG-funded PhD position

The causes and consequences of inception of glaciation at the Eocene- Oligocene boundary 

 

The Topic

One of the most important climate transitions in the past ~100 Myr is the establishment of permanent glaciation on Antarctica. This occurred at the Eocene-Oligocene Transition (EOT, 33.9Ma). This project will examine the key CO2 drawdown process, silicate weathering, across the EOT. 

Silicate weathering removes atmospheric CO2, and eventually sequesters it as marine carbonates. It is unknown whether weathering led to the CO2 decline that precipitated Antarctic glaciation, nor how weathering responded to the cooling and glaciation. 

This project will use lithium isotopes as a tracer of silicate weathering, and analyse them in both marine carbonates (an archive of global seawater) and detrital silicates (an archive of local weathering). The data from the EOT will be combined with laboratory weathering experiments to determine the effect of temperature change on weathering. Finally, all core and experimental data will be combined into an Earth System climate box model.

This is an exciting project, at the cutting edge of science, analysis and modelling. 

 

The University

Johannes Gutenberg Universität (JGU) Mainz is one of Germany’s largest Universities, currently having some 32,000 students. JGU has a strong research focus, regularly achieving solid positions in international research rankings. Annually, about 600 PhD students complete studies at JGU. The Welcome Centre for visiting scholars and students provides support for all contractual, insurance, visa and accommodation issues. 

The Institute for Geosciences https://www.geosciences.uni-mainz.de is one of the top-ranked Earth Science departments in Germany, and also collaborates closely with the Max Plank Institute for Chemistry, which is on the same campus. 

The Project

This is a DFG-funded PhD project, funded for 3 years at the JGU, at the standard DFG salary rates. The project will be in the Sedimentary Geochemistry https://www.geosciences.uni-mainz.de/isotope-geology/ working group of Prof. Philip Pogge von Strandmann, which is part of the wider MIGHTY (Mainz Isotope and Geochemistry) centre. It will make use of new isotope facilities (metal-free clean lab, ICP-MS and MC-ICP-MS). 

 

Qualifications

Required: A completed Masters degree in Earth Sciences, with a research project either related to isotope geochemistry, or Earth System modelling. 

Fluency in spoken and written English

Useful: Experience with Matlab, or a similar computing language. 

 

If you are interested in this project then submit your complete application by January 31st, 2024, by sending a single pdf containing i) motivation letter (max. 2 pages), ii) CV, iii) copies of BSc and MSc degree, and iv) names and addresses of two referees to

ppoggevo@uni-mainz.de

For questions and further information please contact

Philip Pogge von Strandmann ppoggevo@uni-mainz.de.

A solution to the climate crisis 26 Sep 2023, 8:57 am

Enhanced Chemical Weathering 26 Sep 2023, 8:50 am

 26 Sep 2023, 8:37 am

Beschleunigte Verwitterung – Ein Ausweg fürs Klimadilemma 7 Aug 2023, 8:46 am

 7 Aug 2023, 8:38 am

To apply click here

The Problem with Academic Publishing 9 May 2023, 8:37 am

Academic publishing is in trouble – this is not news for anyone even tangentially linked to Academia but bears repeating anyway in particular as it is becoming a topic in the mainstream press as well. 

So, here the summary. Just as in all publishing, dare I say all aspects of lie, the rise of the internet and online publications have brought a huge change. It could have been a change for the better, widening access to research pubications and allowing more and more people from all walks of life access to knowledge.

It wasn’t. Mainly becasue publishers also cottoned onto the idea that for a lot less money (no printing costs and by using a lot of free labour) you can now get payed for an online publication by a lot more people. That all would have worked fine – if not for the concept of greed. When a publisher demands 600 Pounds for an online copy of a book that costs 80 in the shop, it becomes an issue. 

The result is rich universities having access to electronic publications which allows their students to access knowledge everywhere and everywhen and smaller universities being stuck with one single paper copy (let’s be honest – 80 Pounds for a book is not cheap either) which only one students at a time has access to leaving the others without hte knowledge they need for the exam, essay or project they are working on. 

This does not even, as yet, address all the fees involved in reading a paper which can easlily come to 40-60 Pounds a paper. And whilst Universities and Academics have been moaning about this for years it appears that the recent reports on 40% profits at Elsevir have galvanised them into more concrete action. Good on them. Let’s hope they will persevere. 

The Biggest Climate Experiment 9 May 2023, 7:47 am

Setting up the Carbon Greenhouse Experiment 2023 16 Mar 2023, 7:49 am

Here you can read about an exciting new project trying to draw Carbon Dioxide out of the atmosphere using arable land. 

Talk Rheinische Naturforschende Gesellschaft 14 Feb 2023, 8:01 am

Wie schnell erholt sich das Klima?

Dienstag, 14. Februar 2023, 18:30 Uhr online über BBB

Foto: Philip Pogge von Strandmann

 

Prof. Dr. Philip Pogge von Strandmann
Universitätsprofessor für Sedimentgeochemie, Institut für Geowissenschaften, Johannes-Gutenberg-Universität.

Die Erde ist seit fast 85 % ihrer Existenz von Leben bewohnt. Aber das Leben selbst benötigt sehr enge klimatische Bedingungen, um zu überleben. Das bedeutet, dass es Prozesse geben muss, die das Klima seit Milliarden von Jahren bewohnbar halten und auch auf schnelle Veränderungen, wie Vulkanausbrüche, reagieren können.

Wir werden diese Prozesse erörtern und untersuchen, ob einige davon genutzt werden können, um den vom Menschen verursachten Klimawandel in Zukunft zu verhindern. 

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