Cait Witkowski
@CaitWitkowski
Royal Society Dorothy Hodgkin Fellow @UoBEarthScience @ogu_bristol interested in past climates, organic geochemistry, stable isotopes, and proxy development.
📢3.5 year PDRA opportunity with Dr Zoë Thomas and me at @unisouthampton📢 Involves developing new proxies of wind strength and temperature from South Atlantic peat deposits during global climate tipping points! Deadline 17.07.24. Please share widely! tinyurl.com/47bxyj4z
!!!Job alert!!! We are looking for a Research Technician to join @ogu_bristol @BristolChem @BristolAnthArch and analyse archaeological pottery using state-of-the-art analytical methods. Deadline 9th October. Job number: SUPP111719 on the bristol.ac.uk/jobs/find site.
🌋Mega El Niño instigated the end-Permian mass extinction📷. New research in @ScienceMagazine on how mega-El Niño solve a decades old problem in unifying both land and marine extinctions. The deadliest extinction in Earth's History. #sciencetwt #sciencetwt science.org/doi/10.1126/sc…
Fully-funded 4 year PhD to study CO2 release from sedimentary rocks during past warm climates. Work with me, @RichardStockey, @TMGernon + @bjwmills. Due to funding restrictions, UK-based students only. Deadline 17.10.24. Start date flexible. Please RT. tinyurl.com/5xfbb9de
📢Paper alert! Our organic geochemistry group at @CUBoulder ( @OGG_CUBoulder, @INSTAAR , @EGU_BioGeo, @HarryAllbrook ) has just published this amazing work on how environmental phytoplankton lipids respond to ocean changing conditions bg.copernicus.org/articles/21/39… Congrats to Sebastian
A reminder that this is happening. Please book your place to help celebrate Mike's career: eventbrite.co.uk/e/bentonfest-a…
BentonFest: A celebration of the career of Professor Michael Benton @BristolPalaeo invites you to a research symposium of leading researchers, celebrating Mike's astonishing career, Friday 6th September 2024 @BristolUni Reserve your free place: shorturl.at/v9ZC2
🚨 Liquid Ground Water Found on Mars 🚨 by: Myself, Michael Manga, and Mattias Morzfeld scripps.ucsd.edu/news/presence-… 1/n
I am going to hold a press conference Monday at 12:30 pm PST. Stay tuned!
.@Climate_AlexF at @BristolUni applies real science to fictional worlds. eos.org/features/alexa… Read more in our August career issue, out now: bit.ly/Eos-Aug2024
BentonFest: A celebration of the career of Professor Michael Benton @BristolPalaeo invites you to a research symposium of leading researchers, celebrating Mike's astonishing career, Friday 6th September 2024 @BristolUni Reserve your free place: shorturl.at/v9ZC2
Our latest: Nature of the Last Universal Common Ancestor and its impact on the early Earth system nature.com/articles/s4155… led by @ERR_Moody @BristolPalaeo and many other greay colleagues inc @tweethinking @sllsi @anjspa1 @zihengyang David Pisani, Tim Lenton and Graham Shields
Excited to nerd out over some organic geochemistry for the next two days!

Have you ever seen a #Coccolithophore outfit before? Designed by talented students at @artsuniplym, excited to deliver a costume with a significant educational message. See for yourself at @RoyalSociety's free #SummerScience Exhibition, we're here all week! #RoyalSocietyAtlantis
We are ready for an exciting day of Science Up Close at #HarwellOpen24. Join us in our mystery box at the RAL Visitor Centre (R112) to get fully immersed in the beauty of @GeogBristol climate science, thanks to the fascinating technology by @UkcricBic and @DAFNIfacility.
New paper out!!! Continuous sterane and phytane δ13C record reveals a substantial pCO2 decline since the mid-Miocene nature.com/articles/s4146…

🚨3 yr Postdoc in St Andrews🚨 Come join our lovely lab group and fill in a key gap in reconstructions of Cenozoic CO2! Part of exciting TONIC project on Oligocene carbon, climate, ice w great collabs. Looking 4 experience w isotopes / paleoclimate ⚒️🧪 vacancies.st-andrews.ac.uk/Vacancies/W/51…
New paper from @CaitWitkowski and co-authors: molecular fossils from marine phytoplankton reveal a substantial decline in CO2 values over the past 15 million years and may support higher climate sensitivity than previously reported. nature.com/articles/s4146…
📢📢looking for postdoc position? Come work in lipid microbiology with me @mmb_nioz Please repost! linkedin.com/posts/nioz-mar…
New Research article: Disentangling influences of climate variability and lake-system evolution on climate proxies derived from isoprenoid and branched glycerol dialkyl glycerol tetraethers (GDGTs): the 250 kyr Lake Chala record doi.org/10.5194/bg-21-…