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Manousos Valyrakis

@hydromechanic.bsky.social
167 followers 125 following 35 posts

Associate Professor in Environmental Hydraulics @ Aristotle U. of Thessaloniki. I study turbulence, geomorphic processes and critical infrastructure risks due to climate change.

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Manousos Valyrakis @hydromechanic.bsky.social · 24/03/2026
River Flow 2026 is proud to announce our distinguished panel of Keynote Speakers comprising of leading experts who will share groundbreaking insights into the future of river hydraulics and sustainable water management 💫💫💫 #RiverFlow #IAHR
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Manousos Valyrakis @hydromechanic.bsky.social · 26/12/2025
Abstract submission is now open for our #EGU26 #Geomorphology session GM2.6 “Measuring & modelling geomorphic processes across scales” (🌍 Vienna, 3–8 May 2026) Join discussions on #SedimentTransport #morphodynamics #NaturalHazards 📅 Submit by 15 Jan 👉 egu26.eu/session/56181
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Manousos Valyrakis @hydromechanic.bsky.social · 15/08/2025
🚨 Upon popular request the abstract submission deadline has been extended! 🌊Join us in Thessaloniki, June 30-July 4, 2026, to shape the future of #FluvialHydraulics #RiverFlow2026 @IAHR 📅 New Abstract Deadline: 15 September 2025 🌐 Submit your abstract now: riverflow2026.web.auth.gr
riverflow2026.web.auth.gr
The 13th International Conference on Fluvial Hydraulics - 13th International Conference on Fluvial Hydraulics
Abstract submission is open See the submission guidelines for AuthorsAnd submit your abstracts Abstract submission is now open (until the extended deadline of September 15th 2025!) See the submission ...
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Manousos Valyrakis @hydromechanic.bsky.social · 17/07/2025
One month to Abstract Submissions (short abstracts up to 500 words) 🌊 submit now 👉 riverflow2026.web.auth.gr/submission-g...
riverflow2026.web.auth.gr
Submission Guidelines - 13th International Conference on Fluvial Hydraulics
Submission Guidelines Two-Stage SubmissionAuthors are first invited to submit a short abstract (up to 500 words, one page max) outlining their research findings (by the deadline of 15 August 2025). Up...
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Manousos Valyrakis @hydromechanic.bsky.social · 30/06/2025
One year to go #RiverFlow2026 🇬🇷 Go with the flow and submit your abstract by mid August! Submission Guidelines - 13th International Conference on Fluvial Hydraulics: riverflow2026.web.auth.gr/submission-g... View our just released promotional video on @YouTube www.youtube.com/watch?v=Dha3...
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Manousos Valyrakis @hydromechanic.bsky.social · 27/06/2025
Call for Special Sessions #RiverFlow2026 🌊 Do you have ideas for shaping the scientific program while emphasising innovative topical themes in fluvial hydraulics and geomorphology? Submit your proposal: RiverFlow2026@civil.auth.gr For details see👇 riverflow2026.web.auth.gr/special-sess...
riverflow2026.web.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 27/06/2025
Call for Special Sessions #RiverFlow2026 🌊 Do you have ideas for shaping the scientific program while emphasising innovative topical themes in fluvial hydraulics and geomorphology? Submit your proposal: RiverFlow2026@civil.auth.gr For details see👇 riverflow2026.web.auth.gr/special-sess...
riverflow2026.web.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 20/06/2025
Are you attending IAHR’s World Congress 2025? Make sure to also meet with the Fluvial Hydraulic committee and prepare for #IAHR #RiverFlow2026 next year at Thessaloniki, Greece! For more information make sure to visit our main webpage: 🔗 riverflow2026.web.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 20/06/2025
Are you attending IAHR’s World Congress 2025? Make sure to also meet with the Fluvial Hydraulic committee and prepare for #IAHR #RiverFlow2026 next year at Thessaloniki, Greece! For more information make sure to visit our main webpage: 🔗 riverflow2026.web.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 22/05/2025
Calling all river scientists & engineers! #RiverFlow2026 is now accepting abstracts. Share your latest research in fluvial hydraulics and join us in Thessaloniki, Greece! Submit your abstract by August 15, 2025.
🔗 riverflow2026.web.auth.gr 
#Hydraulics #RiverScience
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Manousos Valyrakis @hydromechanic.bsky.social · 22/05/2025
Calling all river scientists & engineers! #RiverFlow2026 is now accepting abstracts. Share your latest research in fluvial hydraulics and join us in Thessaloniki, Greece! Submit your abstract by August 15, 2025.
🔗 riverflow2026.web.auth.gr 
#Hydraulics #RiverScience
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
1/ It has been only a short few days but was a great opportunity (as always!) to catch up with a number of colleagues and collaborators as well as meet up new ones! #EGU25 never disappoints👇
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
A big shout out to @kinarnicholas.bsky.social for promoting exciting work on hydrological sciences and engineering - definitely worthy of everyone’s following!
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KinarNicholas.bsky.social @kinarnicholas.bsky.social · 02/05/2025
Thanks so much @hydromechanic.bsky.social!
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
6/ Looking forward to continuing these conversations and collaborations beyond #EGU2025 We cordially share an advance welcome for both the #RIVERFLOW2026 & #EGU exciting 2026 sessions to shape the future of community! Stay tuned & get in touch: riverflow2026.web.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
Thank you @cznews.bsky.social for promoting briliant #CriticalZone research!
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Critical Zone News @cznews.bsky.social · 01/05/2025
A great thread taking you into the room where fascinating #CriticalZone research was presented during #EGU25 this morning. 🌐🧪
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
6/ Looking forward to continuing these conversations and collaborations beyond #EGU2025 We cordially share an advance welcome for both the #RIVERFLOW2026 & #EGU exciting 2026 sessions to shape the future of community! Stay tuned & get in touch: riverflow2026.web.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
5/ the poster sessions (virtual and onsite) were interesting and well attended too. Thank you to my students and colleagues (including from Aristotle University of Thessaloniki) who presented their work. Honoured to serve as mentor and OSPP judge for some early career students!
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
4/ A big shoutout also to all the conveners and invited speakers of our @EGU_GM GM2.7 session for their incredible dedication and expertise. Your hard work made it a success! 🙌🌍 #geomorphology Truly inspiring! 🚀📊 #EGU2025 #EarthScience
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
3/Our second #EGU25 @EGU_GM oral session followed up with contributions on the role of turbulence on geomorphic phenomena across scales. Your contributions sparked vibrant discussions towards advancing our understanding of Earth’s surface processes dynamically shaping landscapes
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
2/ A huge thank you to all the authors and presenters of our #EGU2025 session GM2.7 who shared their cutting-edge research and insights. Our first oral session focused more on granular processes from theoretical to numerical and experimental developments
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
1/ It has been only a short few days but was a great opportunity (as always!) to catch up with a number of colleagues and collaborators as well as meet up new ones! #EGU25 never disappoints👇
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Manousos Valyrakis @hydromechanic.bsky.social · 01/05/2025
A big shout out to @kinarnicholas.bsky.social for promoting exciting work on hydrological sciences and engineering - definitely worthy of everyone’s following!
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KinarNicholas.bsky.social @kinarnicholas.bsky.social · 01/05/2025
Hydrology Papers of the Day @hydromechanic.bsky.social on sediment transport: a review of bridge-pier scour, engineering interventions and countermeasures; plastic transport processes through vegetated areas of the river channel by a recirculating flume; and gravel-size particle movement.
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Manousos Valyrakis @hydromechanic.bsky.social · 30/04/2025
See you soon - you will find us at Room -2.93 for the Oral sessions and Hall X3 for the Poster sessions!!
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Manousos Valyrakis @hydromechanic.bsky.social · 25/04/2025
#EGU2025 starts in a few days!! Looking forward to seeing many friends and colleagues at Vienna while featuring some exciting sessions on geomorphic processes across scales and tools and methods to monitor and model them! Attending? Let’s catch up 🤝
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Manousos Valyrakis @hydromechanic.bsky.social · 17/04/2025
3/ Here’s to more discoveries and collaborations ahead! Thank you to everyone who’s cited, discussed, or built upon our work. #Research #Collaboration #Milestone #HydraulicEngineering #SedimentTransport
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Manousos Valyrakis @hydromechanic.bsky.social · 17/04/2025
2/ Recent highlights: - Zhao et al. (2024) on airflow structures & aeolian entrainment: doi.org/10.1029/2023... - Valyrakis et al. (2024) on sediment & plastic debris transport: doi.org/10.1007/s104... - Bharadwaj et al. (2024) review on scour countermeasures: doi.org/10.1007/s116...
doi.org
The Role of Coherent Airflow Structures on the Incipient Aeolian Entrainment of Coarse Particles
Coherent airflow sweep structures exerting sufficient drag force can set coarse particles in motion A work-based criterion has been established to define the full aerodynamic entrainment of coars...
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Manousos Valyrakis @hydromechanic.bsky.social · 17/04/2025
1/ Thrilled to share my reaching the 2000 citations milestone, reflecting the efforts of my coauthors, mentors and mentees, and their recognition from the broader research community. Thank you all for your support and collaboration! 🔗 scholar.google.com/citations?us...
scholar.google.com
Dr. Manousos Valyrakis
‪Associate Professor in Hydraulic Engineering, Aristotle Univesity of Thessaloniki‬ - ‪‪Cited by 2,000‬‬ - ‪Environmental Fluid Mechanics‬ - ‪Ecohydraulics‬ - ‪Sediment transport‬ - ‪Earth Surface Pro...
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Manousos Valyrakis @hydromechanic.bsky.social · 20/03/2025
Feel welcomed to email me directly a draft (title and abstract) if you want to check if your submission may fit the scope of the topical collection: mvalyra@civil.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 20/03/2025
Many thanks to our esteemed guest co-editors for this topical section: @ischalko.bsky.social @michaelnones.bsky.social MassimoGuerrero RuiFerreira and JoeAberle
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Manousos Valyrakis @hydromechanic.bsky.social · 20/03/2025
Many thanks to our esteemed guest co-editors for this topical section: @ischalko.bsky.social @michaelnones.bsky.social MassimoGuerrero RuiFerreira and JoeAberle
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Manousos Valyrakis @hydromechanic.bsky.social · 20/03/2025
Feel welcomed to email me directly a draft (title and abstract) if you want to check if your submission may fit the scope of the topical collection: mvalyra@civil.auth.gr
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Manousos Valyrakis @hydromechanic.bsky.social · 20/03/2025
📢 Call for Papers! "Recent advances in turbulence & transport measurements in earth sciences" special collection in #ActaGeophysica is now open for submissions until Oct 15, 2025. Share your cutting-edge research on flow dynamics & instrumentation! link.springer.com/collections/... #Turbulence
link.springer.com
Recent advances in turbulence and transport measurements and instrumentation in earth surface sciences and hydro-environment engineering
This new collection offers a unique platform to explore the latest advancements in the tools and methods used for gaining a better understanding of flow ...
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Manousos Valyrakis @hydromechanic.bsky.social · 13/01/2025
This year we are very pleased to announce invited talks by leading experts on granular flows and sediment transport processes: - Thomas Pähtz from Zhejiang University - Julien Chauchat, from Université de Grenoble. Abstract submission deadline is the 15th January 2025, 13:00!
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Manousos Valyrakis @hydromechanic.bsky.social · 08/01/2025
What better way to start the year than sending wishes for a 2025 full of health & successes, along with the final reminder for the #EGU2025 sessions on sediment transport processes!! meetingorganizer.copernicus.org/EGU25/sessio...
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Manousos Valyrakis @hydromechanic.bsky.social · 21/12/2024
We are excited to announce that our #EGU25 sessions will feature invited talks from leading experts (Prof Thomas Pähtz, Zhejiang U.). We will invite selected submissions to our special sessions (Acta Geophysica, @Applsci & @Water_MDPI). Submit here: meetingorganizer.copernicus.org/EGU25/sessio...
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Manousos Valyrakis @hydromechanic.bsky.social · 10/12/2024
3. Rock and roll: Incipient aeolian entrainment of coarse particles. pubs.aip.org/aip/pof/arti...
pubs.aip.org
Rock and roll: Incipient aeolian entrainment of coarse particles
Aeolian transport of coarse grains is an important topic, finding applications in nature (for infrastructure exposed to wind scour) as well as industry (e.g., c
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Manousos Valyrakis @hydromechanic.bsky.social · 10/12/2024
2. The Role of Coherent Airflow Structures on the Incipient Aeolian Entrainment of Coarse Particles. agupubs.onlinelibrary.wiley.com/doi/full/10....
agupubs.onlinelibrary.wiley.com
The Role of Coherent Airflow Structures on the Incipient Aeolian Entrainment of Coarse Particles
Coherent airflow sweep structures exerting sufficient drag force can set coarse particles in motion A work-based criterion has been established to define the full aerodynamic entrainment of coars...
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Manousos Valyrakis @hydromechanic.bsky.social · 10/12/2024
This presentation summarises the following published research: 1. The role of energetic flow structures on the aeolian transport of sediment and plastic debris. link.springer.com/article/10.1...
link.springer.com
The role of energetic flow structures on the aeolian transport of sediment and plastic debris - Acta Mechanica Sinica
Recently, significant progress has been made in conceptually describing the dynamic aspects of coarse particle entrainment, which has been explored experimentally for open channel flows. The aim of th...
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Manousos Valyrakis @hydromechanic.bsky.social · 10/12/2024
Are you attending #AGU24 online or in person at Washington DC this week? Feel free to reach out and interact during our presentation on the role of energetic flow structures inducing coarse grain responses (from rocking to full entrainment). agu24.ipostersessions.com/Default.aspx...
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Manousos Valyrakis @hydromechanic.bsky.social · 07/12/2024
Session description: meetingorganizer.copernicus.org/EGU25/sessio... Abstract submission: meetingorganizer.copernicus.org/EGU25/abstra...
meetingorganizer.copernicus.org
Session GM2.7
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Manousos Valyrakis @hydromechanic.bsky.social · 07/12/2024
Explore the fascinating interplay between fluid dynamics and sediment transport across Earth and beyond! 🌍🌊🌬️⛈️ Our #EGU25 session (GM2.7 Sediment Transport in Geophysical Flows) covers mountainous, fluvial, coastal, and even extraterrestrial environments. #Geomorphology #Hydrology #ClimateChange
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Manousos Valyrakis @hydromechanic.bsky.social · 18/11/2024
… then made the mistake to take up the offer to refine the picture focusing more on fluid dynamics and “sediment transport”, to realise it literally meant it 😅… Last picture is after I asked it to remove the truck (yet it kept the carriage!).
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Manousos Valyrakis @hydromechanic.bsky.social · 18/11/2024
I asked ChatGPT to generate a photo representing my professional life and it did an ok job upon first try! But… 👇
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