Prof Sebastian Geiger
@geoenergyprof.bsky.social
Professor for Sustainable Geoenergy at TU Delft and passionate 🇪🇺, conducting #research in #geoenergy, #geoscience, & #energytransition (views are my own)
Pinned
Well, this was the last straw that caused me to close my account on the other site. So let's restart here. What I am passionate about (in no particular order)? Sustainability, a just energy transition, geothermal, CCS, DEI, learning from others, my students, my family, our dog, cycling, outdoors
Reposted by Prof Sebastian Geiger
High temperatures today and we’ve already had a long period of drought. Drinking water always seemed completely self-evident in NL. But it’s not.
Although the Dutch focus has traditionally been on how to keep water out, we need to focus more on storing water.
👉 www.tudelft.nl/en/stories/a...
Although the Dutch focus has traditionally been on how to keep water out, we need to focus more on storing water.
👉 www.tudelft.nl/en/stories/a...
July 1, 2025 at 8:58 AM
High temperatures today and we’ve already had a long period of drought. Drinking water always seemed completely self-evident in NL. But it’s not.
Although the Dutch focus has traditionally been on how to keep water out, we need to focus more on storing water.
👉 www.tudelft.nl/en/stories/a...
Although the Dutch focus has traditionally been on how to keep water out, we need to focus more on storing water.
👉 www.tudelft.nl/en/stories/a...
In times when funding becomes increasingly challenging and restrictive, this investment from Energi Simulation is a real difference maker for many PhDs and postdocs working in the field of #geoscience for the ##energytransition at our department at TU Delft
www.tudelft.nl/en/2025/citg...
www.tudelft.nl/en/2025/citg...
Energi Simulation continues geoenergy partnership with Delft University
share.google
June 26, 2025 at 7:06 PM
In times when funding becomes increasingly challenging and restrictive, this investment from Energi Simulation is a real difference maker for many PhDs and postdocs working in the field of #geoscience for the ##energytransition at our department at TU Delft
www.tudelft.nl/en/2025/citg...
www.tudelft.nl/en/2025/citg...
At this year's #EAGEAnnual2025 my colleague Anne gave a truly passionate and compassionate pitch why #geoscience #education needs to become more inclusive and diverse if we are serious about inspiring new talents to enter this field and work on the #energytransition @rockdeftud.bsky.social ⚒️💡🔋
June 3, 2025 at 5:03 PM
At this year's #EAGEAnnual2025 my colleague Anne gave a truly passionate and compassionate pitch why #geoscience #education needs to become more inclusive and diverse if we are serious about inspiring new talents to enter this field and work on the #energytransition @rockdeftud.bsky.social ⚒️💡🔋
Reposted by Prof Sebastian Geiger
On May 18, 1980, Richard Lasher got up early to get some photos at Spirit Lake. Instead, he was forced to stop because of the massive, explosive Mount St. Helens eruption and captured this iconic photo with his own red Ford Pinto on the road. 🧪⚒️ #OTD
www.hemmings.com/stories/mt-s...
www.hemmings.com/stories/mt-s...
May 18, 2025 at 7:02 AM
On May 18, 1980, Richard Lasher got up early to get some photos at Spirit Lake. Instead, he was forced to stop because of the massive, explosive Mount St. Helens eruption and captured this iconic photo with his own red Ford Pinto on the road. 🧪⚒️ #OTD
www.hemmings.com/stories/mt-s...
www.hemmings.com/stories/mt-s...
Reposted by Prof Sebastian Geiger
PhD Jesse came by in the afternoon and made my day with these freshly cored heterogeneous #Rotliegend #sandstone samples for #CrossScale w/ @geoenergyprof.bsky.social Aren't they pretty? Next: cutting them (and deciding where...), CT scan, porosimetry and then... Break them! 😎😎 #breakingrocks #rocks
May 7, 2025 at 7:46 PM
PhD Jesse came by in the afternoon and made my day with these freshly cored heterogeneous #Rotliegend #sandstone samples for #CrossScale w/ @geoenergyprof.bsky.social Aren't they pretty? Next: cutting them (and deciding where...), CT scan, porosimetry and then... Break them! 😎😎 #breakingrocks #rocks
Together with colleagues from @imperialcollegeldn.bsky.social we have tried to bring some clarity into the concept of capillary pinning during #CCS, considering the scales and heterogeneity in #geology www.sciencedirect.com/science/arti...
May 6, 2025 at 8:14 AM
Together with colleagues from @imperialcollegeldn.bsky.social we have tried to bring some clarity into the concept of capillary pinning during #CCS, considering the scales and heterogeneity in #geology www.sciencedirect.com/science/arti...
Reposted by Prof Sebastian Geiger
Harvard University @harvard.edu weigert op de eisen van president Trump in te gaan en zet 2,2 miljard dollar aan overheidsgeld op het spel. De universiteit is niet van plan haar “onafhankelijkheid op te geven”.
Harvard zwicht niet voor Donald Trump - Delta
Harvard University weigert op de eisen van president Trump in te gaan en zet 2,2 miljard dollar aan overheidsgeld op het spel. De universiteit is niet van
delta.tudelft.nl
April 17, 2025 at 9:57 AM
Harvard University @harvard.edu weigert op de eisen van president Trump in te gaan en zet 2,2 miljard dollar aan overheidsgeld op het spel. De universiteit is niet van plan haar “onafhankelijkheid op te geven”.
Reposted by Prof Sebastian Geiger
Proud of our postdoc Milady Naderloo rocking his #DeepNL plenary presentation, arguing the lessons learnt from #InducedSeismicity should not go to waste in #energytransition related scenarios
April 15, 2025 at 11:39 AM
Proud of our postdoc Milady Naderloo rocking his #DeepNL plenary presentation, arguing the lessons learnt from #InducedSeismicity should not go to waste in #energytransition related scenarios
Reposted by Prof Sebastian Geiger
De voorgenomen sluiting van de VU-afdeling aardwetenschappen is desastreus voor het geowetenschappelijk onderzoek en onderwijs. Dat schrijven TU-hoogleraren Timo Heimovaara en @geoenergyprof.bsky.social namens hun afdeling geosciences and engineering in deze solidariteitsverklaring.
‘Sluiting aardwetenschappen aan VU is precies de verkeerde boodschap’ - Delta
De voorgenomen sluiting van de VU-afdeling aardwetenschappen is desastreus voor het geowetenschappelijk onderzoek en onderwijs. Dat schrijven TU-hoogleraren Timo Heimovaara en Sebastian Geiger namens ...
delta.tudelft.nl
April 14, 2025 at 5:18 PM
De voorgenomen sluiting van de VU-afdeling aardwetenschappen is desastreus voor het geowetenschappelijk onderzoek en onderwijs. Dat schrijven TU-hoogleraren Timo Heimovaara en @geoenergyprof.bsky.social namens hun afdeling geosciences and engineering in deze solidariteitsverklaring.
Our open-ed statement in @tudelta.bsky.social, expressing solidarity with our colleagues and their students at the Vrije Universiteit of Amsterdam: delta.tudelft.nl/en/article/c... #geoscience #academia #science
‘Closing VU earth sciences sends exactly the wrong message’ - Delta
The planned closure of the VU Department of Earth Sciences is disastrous for geoscience research and education. That is what TU Delft professors Timo Heimovaara and Sebastian Geiger write in this soli...
delta.tudelft.nl
April 14, 2025 at 4:38 PM
Our open-ed statement in @tudelta.bsky.social, expressing solidarity with our colleagues and their students at the Vrije Universiteit of Amsterdam: delta.tudelft.nl/en/article/c... #geoscience #academia #science
Reposted by Prof Sebastian Geiger
#GirlsDay today! On behalf of our Faculty @tudelftceg.bsky.social. We talked about earthquakes, geology & geothermal energy. We used straws to drill geologically layered clay, jumped and registered the "seismic wave" with @phyphox.org and of course we broke a rock! #breakingrocks #rocks 🤓😎
April 10, 2025 at 3:41 PM
#GirlsDay today! On behalf of our Faculty @tudelftceg.bsky.social. We talked about earthquakes, geology & geothermal energy. We used straws to drill geologically layered clay, jumped and registered the "seismic wave" with @phyphox.org and of course we broke a rock! #breakingrocks #rocks 🤓😎
A statement of solidarity with our colleagues and their students from the Department of Earth Sciences at the Vrije Universiteit Amsterdam #geoscience #academia #science #earthscience #climatechange #energytransition ⚒️🧪🧬💡🔌
April 10, 2025 at 3:18 PM
A statement of solidarity with our colleagues and their students from the Department of Earth Sciences at the Vrije Universiteit Amsterdam #geoscience #academia #science #earthscience #climatechange #energytransition ⚒️🧪🧬💡🔌
Another excellent and insightful summary on the #netzero benefits (including the financial benefits) in the UK by @drsimevans.carbonbrief.org from @carbonbrief.org 🔽
NEW: Official advisers CCC say UK shld cut emissions 87% by 2040
⚖️Net cost of net-zero 73% less than thought
💷Total cost to 2050 = £108bn (~£4bn/yr, 0.2% GDP)
🏡🚗H’hold energy/fuel bills to fall £1,400
🔌Electrification is key
THREAD + charts
www.carbonbrief.org/...
1/10
⚖️Net cost of net-zero 73% less than thought
💷Total cost to 2050 = £108bn (~£4bn/yr, 0.2% GDP)
🏡🚗H’hold energy/fuel bills to fall £1,400
🔌Electrification is key
THREAD + charts
www.carbonbrief.org/...
1/10
April 9, 2025 at 9:29 AM
Another excellent and insightful summary on the #netzero benefits (including the financial benefits) in the UK by @drsimevans.carbonbrief.org from @carbonbrief.org 🔽
A beautiful and passionate inaugural lecture by our colleague Hadi Hajibeygi ⬇️
The ebb and flow of life... Today attending the inaugural lecture of esteemed and appreciated colleague Prof. Hadi Hajibeygi, professor of Geo Energy and Solid and Fluid Mechanics
April 5, 2025 at 10:07 AM
A beautiful and passionate inaugural lecture by our colleague Hadi Hajibeygi ⬇️
Reposted by Prof Sebastian Geiger
Amidst all terrible news, I am sad that here it is not better. Today the VU Amsterdam announced they'll cut Earth Sciences, and fire 39 staff. 130 students are left to figure out how to finish, and an unknown number of PhDs lose their supervisors. My heart goes out to my colleagues 😳😥
April 3, 2025 at 7:42 PM
Amidst all terrible news, I am sad that here it is not better. Today the VU Amsterdam announced they'll cut Earth Sciences, and fire 39 staff. 130 students are left to figure out how to finish, and an unknown number of PhDs lose their supervisors. My heart goes out to my colleagues 😳😥
Spring is in the air at TU Delft ☀️🌼🌸🌻
March 27, 2025 at 6:29 PM
Spring is in the air at TU Delft ☀️🌼🌸🌻
Me too 🔽
March 25, 2025 at 8:57 PM
Me too 🔽
Reposted by Prof Sebastian Geiger
Here's Jesse and Parvin taking a moment before the conference starts to check out the flowers! The right season to come visit us is starting 🥰 from now until mid-May the flower fields are blooming. Always good to take a moment with nature to recharge ☀️🌷
March 21, 2025 at 8:18 AM
Here's Jesse and Parvin taking a moment before the conference starts to check out the flowers! The right season to come visit us is starting 🥰 from now until mid-May the flower fields are blooming. Always good to take a moment with nature to recharge ☀️🌷
Reposted by Prof Sebastian Geiger
RIP academic freedom. This is a very sad day for academia in America.
Columbia Yields to Trump in Battle Over Federal Funding
Columbia’s agreement is a significant moment in the intensifying battle between Trump and elite universities.
www.wsj.com
March 21, 2025 at 9:25 PM
RIP academic freedom. This is a very sad day for academia in America.
Reposted by Prof Sebastian Geiger
For those of you who are Tired Of All This Shit, we bring you:
The relationship between volcanism and the invention of the bicycle!
We made this clip, with @vanhinsbergen.bsky.social, for last year's Tour de France stage over the Cantal Volcano, and its highest remaining peak, Puy Mary ❤️🤠
The relationship between volcanism and the invention of the bicycle!
We made this clip, with @vanhinsbergen.bsky.social, for last year's Tour de France stage over the Cantal Volcano, and its highest remaining peak, Puy Mary ❤️🤠
March 20, 2025 at 7:04 AM
For those of you who are Tired Of All This Shit, we bring you:
The relationship between volcanism and the invention of the bicycle!
We made this clip, with @vanhinsbergen.bsky.social, for last year's Tour de France stage over the Cantal Volcano, and its highest remaining peak, Puy Mary ❤️🤠
The relationship between volcanism and the invention of the bicycle!
We made this clip, with @vanhinsbergen.bsky.social, for last year's Tour de France stage over the Cantal Volcano, and its highest remaining peak, Puy Mary ❤️🤠
Reposted by Prof Sebastian Geiger
Campus is starting to blossom! Thanks to a bike detour I ran into the first trees bursting into full song this morning
March 17, 2025 at 2:16 PM
Campus is starting to blossom! Thanks to a bike detour I ran into the first trees bursting into full song this morning
Reposted by Prof Sebastian Geiger
First trip after maternity leave for Anne, together with @entelakane.bsky.social, Annemarie and Ilshat we visit the Geothermal Alliance Bavaria in Munich, with a special site visit to a local #geothermal plants 😁😁
March 13, 2025 at 2:17 PM
First trip after maternity leave for Anne, together with @entelakane.bsky.social, Annemarie and Ilshat we visit the Geothermal Alliance Bavaria in Munich, with a special site visit to a local #geothermal plants 😁😁
Reposted by Prof Sebastian Geiger
This is a great illustration of what the new energy order looks like:
➡️ large to small
➡️ centralised to decentralised
➡️ large grids to microgrids
➡️ one-directional to bi-directional
➡️ passive consumers to active prosumers
Of course simplified & highly stylised but it shows the direction of travel.
➡️ large to small
➡️ centralised to decentralised
➡️ large grids to microgrids
➡️ one-directional to bi-directional
➡️ passive consumers to active prosumers
Of course simplified & highly stylised but it shows the direction of travel.
March 6, 2025 at 11:39 AM
This is a great illustration of what the new energy order looks like:
➡️ large to small
➡️ centralised to decentralised
➡️ large grids to microgrids
➡️ one-directional to bi-directional
➡️ passive consumers to active prosumers
Of course simplified & highly stylised but it shows the direction of travel.
➡️ large to small
➡️ centralised to decentralised
➡️ large grids to microgrids
➡️ one-directional to bi-directional
➡️ passive consumers to active prosumers
Of course simplified & highly stylised but it shows the direction of travel.
Reposted by Prof Sebastian Geiger
Stunning new visualization of global temperatures since 1940, from @hausfath.bsky.social
www.theclimatebrink.com/p/visualizin...
www.theclimatebrink.com/p/visualizin...
March 5, 2025 at 8:36 PM
Stunning new visualization of global temperatures since 1940, from @hausfath.bsky.social
www.theclimatebrink.com/p/visualizin...
www.theclimatebrink.com/p/visualizin...
🚨Another new #openaccess papers discussing the connection between multi-scale #geology and fluid flow for low-carbon #energy applications such as #CCS and #geothermal. Once again very enjoyable research with colleagues and friends from Imperial College London www.lyellcollection.org/doi/full/10....
Impact of Sedimentological Heterogeneity on Subsurface Storage in Net-Transgressive, Shallow-Marine Sandstones: Cliff House Sandstone, New Mexico, USA | Geoenergy
Net-transgressive, shallow-marine sandstone reservoirs overlain by thick mudstone
seals are prime candidates for storage of CO2, H2 and thermal energy. Although these reservoirs have high net-to-gross...
www.lyellcollection.org
March 5, 2025 at 12:58 PM
🚨Another new #openaccess papers discussing the connection between multi-scale #geology and fluid flow for low-carbon #energy applications such as #CCS and #geothermal. Once again very enjoyable research with colleagues and friends from Imperial College London www.lyellcollection.org/doi/full/10....