Bieito Fernandez Castro
@bfcastro.bsky.social
Physical oceanographer at @unisouthampton.bsky.social
Reposted by Bieito Fernandez Castro
👩🎓 PhD position at the National Oceanography Centre 👨🎓
🔍 Project: Heat, Freshwater and Oxygen Budgets in the Eastern Subpolar North Atlantic: Implications for UK continental shelf and European Weather.
🤝Team: Tiago, Neil, Lidia, & Bieito @bfcastro.bsky.social
🌊 Info: www.o-snap.org/phd-at-noc-uk/
🔍 Project: Heat, Freshwater and Oxygen Budgets in the Eastern Subpolar North Atlantic: Implications for UK continental shelf and European Weather.
🤝Team: Tiago, Neil, Lidia, & Bieito @bfcastro.bsky.social
🌊 Info: www.o-snap.org/phd-at-noc-uk/
PhD at NOC (UK) - OSNAP
Dear all, We are currently advertising an exciting PhD project opportunity on “Heat, Freshwater and Oxygen Budgets in the Eastern Subpolar North Atlantic: Implications for UK continental shelf and Eu...
www.o-snap.org
October 28, 2025 at 4:19 PM
👩🎓 PhD position at the National Oceanography Centre 👨🎓
🔍 Project: Heat, Freshwater and Oxygen Budgets in the Eastern Subpolar North Atlantic: Implications for UK continental shelf and European Weather.
🤝Team: Tiago, Neil, Lidia, & Bieito @bfcastro.bsky.social
🌊 Info: www.o-snap.org/phd-at-noc-uk/
🔍 Project: Heat, Freshwater and Oxygen Budgets in the Eastern Subpolar North Atlantic: Implications for UK continental shelf and European Weather.
🤝Team: Tiago, Neil, Lidia, & Bieito @bfcastro.bsky.social
🌊 Info: www.o-snap.org/phd-at-noc-uk/
What supplies nutrients to the surface layer of subtropical gyres is a long standing question in oceanography
Recent work by Kate Oglethorpe shows that horizontal nutrient fluxes by mesoscale eddies are as (if not more) important than vertical fluxes:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Recent work by Kate Oglethorpe shows that horizontal nutrient fluxes by mesoscale eddies are as (if not more) important than vertical fluxes:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
The Role of Mesoscale Eddy Stirring and Microscale Turbulence in Sustaining Biological Production in the Subtropical Gyres
Mesoscale eddy stirring and diapycnal mixing supply nutrients to the world ocean's subtropical gyres Mesoscale eddy stirring supply dominates over diapycnal mixing in the thermocline and plays a ...
agupubs.onlinelibrary.wiley.com
September 10, 2025 at 9:12 PM
What supplies nutrients to the surface layer of subtropical gyres is a long standing question in oceanography
Recent work by Kate Oglethorpe shows that horizontal nutrient fluxes by mesoscale eddies are as (if not more) important than vertical fluxes:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Recent work by Kate Oglethorpe shows that horizontal nutrient fluxes by mesoscale eddies are as (if not more) important than vertical fluxes:
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Reposted by Bieito Fernandez Castro
Earth system models are plagued by uncertainties in the response of microbes to climate change. We leveraged metabolic insights from genome scale models when coupled to an ocean model in this new exciting work 🌊
www.science.org/doi/full/10....
www.science.org/doi/full/10....
Unveiling the link between phytoplankton molecular physiology and biogeochemical cycling via genome-scale modeling
A genome-enabled ESM built on genomic data assesses physiological acclimation and biogeochemical effects through nutrient stress.
www.science.org
June 7, 2025 at 8:02 PM
Earth system models are plagued by uncertainties in the response of microbes to climate change. We leveraged metabolic insights from genome scale models when coupled to an ocean model in this new exciting work 🌊
www.science.org/doi/full/10....
www.science.org/doi/full/10....
Reposted by Bieito Fernandez Castro
Researchers modeled the paths of 100,000 particles of water backward in time over multiple decades to learn more about the origins of Subantarctic Mode Waters.
On the Origins of Subantarctic Mode Waters - Eos
A modeling study shows how warm subtropical waters and cold Antarctic waters combine to form an Indo-Pacific water mass that plays a key role in Earth’s climate.
eos.org
June 7, 2025 at 1:02 PM
Researchers modeled the paths of 100,000 particles of water backward in time over multiple decades to learn more about the origins of Subantarctic Mode Waters.
Thanks @aguadvances.bsky.social and @eos.org for sharing our work on the sources and formation process of sub-Antarctic Mode Waters!
Thanks for spotlighting this great research @eos.org!
You can read the full #OpenAccess article by Fernández Castro et al. for free: doi.org/10.1029/2024...
#AGUPubs #SDG13 #ClimateAction #CHOW2025 #Oceans #OceanScience
You can read the full #OpenAccess article by Fernández Castro et al. for free: doi.org/10.1029/2024...
#AGUPubs #SDG13 #ClimateAction #CHOW2025 #Oceans #OceanScience
What goes into the Subantarctic Mode Waters? New @aguadvances.bsky.social research investigates. eos.org/research-spo...
June 2, 2025 at 8:27 PM
Thanks @aguadvances.bsky.social and @eos.org for sharing our work on the sources and formation process of sub-Antarctic Mode Waters!
[1/7] Check our latest paper investigating the sources, pathways and drivers leading to the formation of Sub-Antarctic Mode Waters!
agupubs.onlinelibrary.wiley.com/doi/epdf/10....
agupubs.onlinelibrary.wiley.com/doi/epdf/10....
April 19, 2025 at 10:28 AM
[1/7] Check our latest paper investigating the sources, pathways and drivers leading to the formation of Sub-Antarctic Mode Waters!
agupubs.onlinelibrary.wiley.com/doi/epdf/10....
agupubs.onlinelibrary.wiley.com/doi/epdf/10....
Reposted by Bieito Fernandez Castro
📣 Exciting opportunity! We're hiring a #postdoctoral fellow in #gutmicrobiome research to explore the activity and function of the gut microbiome in situ and its regulation by the immune system.🦠🔬
Post based at @sotonbiosciences.bsky.social
Apply here 👇
jobs.soton.ac.uk/Vacancy.aspx...
Post based at @sotonbiosciences.bsky.social
Apply here 👇
jobs.soton.ac.uk/Vacancy.aspx...
Job Opportunity at the University of Southampton: Research Fellow (Postdoctoral) in Microbiology/Microbiome
Applications are invited for a Postdoctoral Research Fellow position in the Gut Microbiome Group, School of Biological Sciences at the University of Southampton. The University of Southampton is a wor...
jobs.soton.ac.uk
March 27, 2025 at 9:16 PM
📣 Exciting opportunity! We're hiring a #postdoctoral fellow in #gutmicrobiome research to explore the activity and function of the gut microbiome in situ and its regulation by the immune system.🦠🔬
Post based at @sotonbiosciences.bsky.social
Apply here 👇
jobs.soton.ac.uk/Vacancy.aspx...
Post based at @sotonbiosciences.bsky.social
Apply here 👇
jobs.soton.ac.uk/Vacancy.aspx...
About ten days left for this job! Don't miss the chance!
WE ARE HIRING. Interested in ocean mixing? Come work with us in the ARIA-funded POLEMIX project to create and deploy a float-based mixing observing system in the subpolar North Atlantic. Applications here: jobs.soton.ac.uk/Vacancy.aspx...
@sotonoceanearth.bsky.social @noc.ac.uk
@sotonoceanearth.bsky.social @noc.ac.uk
March 27, 2025 at 7:55 PM
About ten days left for this job! Don't miss the chance!
Reposted by Bieito Fernandez Castro
The Greenland Sea is undergoing dramatic changes due to climate change, which has altered deep water production in the Northern Hemisphere. This is not just a regional issue—it has global consequences, especially for ocean circulation and carbon absorption.🧪🌊
Dramatic Changes in the Greenland Sea
Due to climate change, deep water production has changed fundamentally in the Northern Hemisphere. This has major consequences for ocean circulation and…
bjerknes.uib.no
March 18, 2025 at 1:31 PM
The Greenland Sea is undergoing dramatic changes due to climate change, which has altered deep water production in the Northern Hemisphere. This is not just a regional issue—it has global consequences, especially for ocean circulation and carbon absorption.🧪🌊
WE ARE HIRING. Interested in ocean mixing? Come work with us in the ARIA-funded POLEMIX project to create and deploy a float-based mixing observing system in the subpolar North Atlantic. Applications here: jobs.soton.ac.uk/Vacancy.aspx...
@sotonoceanearth.bsky.social @noc.ac.uk
@sotonoceanearth.bsky.social @noc.ac.uk
March 10, 2025 at 1:44 PM
WE ARE HIRING. Interested in ocean mixing? Come work with us in the ARIA-funded POLEMIX project to create and deploy a float-based mixing observing system in the subpolar North Atlantic. Applications here: jobs.soton.ac.uk/Vacancy.aspx...
@sotonoceanearth.bsky.social @noc.ac.uk
@sotonoceanearth.bsky.social @noc.ac.uk
Reposted by Bieito Fernandez Castro
Fernández Castro et al. (2024) find that mesoscale eddies play a dominant role in mixing heat and salt in the North Atlantic, helping us to better understand the Atlantic Meridional Overturning Circulation and its future behavior.
🔗 doi.org/10.1029/2023...
#AGUPubs
🔗 doi.org/10.1029/2023...
#AGUPubs
January 8, 2025 at 9:33 PM
Fernández Castro et al. (2024) find that mesoscale eddies play a dominant role in mixing heat and salt in the North Atlantic, helping us to better understand the Atlantic Meridional Overturning Circulation and its future behavior.
🔗 doi.org/10.1029/2023...
#AGUPubs
🔗 doi.org/10.1029/2023...
#AGUPubs
POLEMIX will deploy a mixing observing system in the North Atlantic and feed the observations into ocean models to disentangle the fate of freshwater and its impacts on dense water formation. Hiring soon! @sotonoceanearth.bsky.social @nocmarinephys.bsky.social @imev-mer.fr @mitpress.bsky.social
How close are we to a dangerous North Atlantic tipping point?
We’ve received £5m from @aria-research.bsky.social to find out by collecting data on ocean mixing.
Read more 👉 brnw.ch/21wQKkT
We’ve received £5m from @aria-research.bsky.social to find out by collecting data on ocean mixing.
Read more 👉 brnw.ch/21wQKkT
February 17, 2025 at 10:39 AM
POLEMIX will deploy a mixing observing system in the North Atlantic and feed the observations into ocean models to disentangle the fate of freshwater and its impacts on dense water formation. Hiring soon! @sotonoceanearth.bsky.social @nocmarinephys.bsky.social @imev-mer.fr @mitpress.bsky.social
Reposted by Bieito Fernandez Castro
Sea ice in the Arctic and around Antarctica cool our climate, drive ocean circulation across the planet, and provide a unique habitat for polar ecosystems.
Sea ice amounts have now fallen to their lowest since we started measuring them. This is not good.
🌊🥼❄️🧪
www.bbc.co.uk/news/article...
Sea ice amounts have now fallen to their lowest since we started measuring them. This is not good.
🌊🥼❄️🧪
www.bbc.co.uk/news/article...
World's sea-ice falls to record low
The world's frozen oceans keep the planet cool, but they currently have less ice than ever recorded before.
www.bbc.co.uk
February 15, 2025 at 9:28 AM
Sea ice in the Arctic and around Antarctica cool our climate, drive ocean circulation across the planet, and provide a unique habitat for polar ecosystems.
Sea ice amounts have now fallen to their lowest since we started measuring them. This is not good.
🌊🥼❄️🧪
www.bbc.co.uk/news/article...
Sea ice amounts have now fallen to their lowest since we started measuring them. This is not good.
🌊🥼❄️🧪
www.bbc.co.uk/news/article...
Great views of sea ice in the Greenland Sea
February 14, 2025 at 2:17 PM
Great views of sea ice in the Greenland Sea
Soon on our way to the Fram strait thanks to a NERC-funded Seedcorn grant and our colleages at U Bergen. We will investigate organic matter transport and export along the East Greenland margin. @sotonoceanearth.bsky.social
February 6, 2025 at 9:23 AM
Soon on our way to the Fram strait thanks to a NERC-funded Seedcorn grant and our colleages at U Bergen. We will investigate organic matter transport and export along the East Greenland margin. @sotonoceanearth.bsky.social
Reposted by Bieito Fernandez Castro
We are leading a new project which could transform our understanding of how the ocean ‘breathes’ - storing heat and greenhouse gases from the atmosphere 🌊
It will use sensors onboard high-tech floats to provide unprecedented detail on ocean mixing.
Read more 👉 brnw.ch/UoS_News_Oce...
It will use sensors onboard high-tech floats to provide unprecedented detail on ocean mixing.
Read more 👉 brnw.ch/UoS_News_Oce...
Research set to transform our understanding of how the ocean breathes
Research set to transform our understanding of how the ocean breathes
brnw.ch
December 4, 2024 at 11:18 AM
We are leading a new project which could transform our understanding of how the ocean ‘breathes’ - storing heat and greenhouse gases from the atmosphere 🌊
It will use sensors onboard high-tech floats to provide unprecedented detail on ocean mixing.
Read more 👉 brnw.ch/UoS_News_Oce...
It will use sensors onboard high-tech floats to provide unprecedented detail on ocean mixing.
Read more 👉 brnw.ch/UoS_News_Oce...
Reposted by Bieito Fernandez Castro
Two postdoc positions in my group are opening: First is part of SOCCOM3 (3 years, NSF funded, S. Ocean carbon/oxygen/nutrient budgets), Second is part of InMOS (4.25 yrs, Schmidt Sciences / OBVI funded, long-term oxygen/carbon flux and inventory constraints). More info: bushinskyoceanlab.org/people/
People
Looking for two postdocs (SOCCOM and InMOS), details below. I am not currently planning to take on new students in Fall 2025. HI Cycles group at the 10th annual SOCCOM meeting at Princeton Universi…
bushinskyoceanlab.org
November 27, 2024 at 10:58 PM
Two postdoc positions in my group are opening: First is part of SOCCOM3 (3 years, NSF funded, S. Ocean carbon/oxygen/nutrient budgets), Second is part of InMOS (4.25 yrs, Schmidt Sciences / OBVI funded, long-term oxygen/carbon flux and inventory constraints). More info: bushinskyoceanlab.org/people/
Reposted by Bieito Fernandez Castro
A new paper led by Sebastian Sippel just appeared in Nature arguing that ocean temperature measurements in the early 20th century have a cold bias.
It's a fun story illustrating the process of scientific discovery, so let me talk about it a bit. 🧵
www.nature.com/articles/s41...
It's a fun story illustrating the process of scientific discovery, so let me talk about it a bit. 🧵
www.nature.com/articles/s41...
Early-twentieth-century cold bias in ocean surface temperature observations - Nature
Independent statistical reconstructions of the global mean surface temperature from either ocean or land data show that existing estimates of early-twentieth-century ocean surface temperatures are too...
www.nature.com
November 22, 2024 at 9:38 AM
A new paper led by Sebastian Sippel just appeared in Nature arguing that ocean temperature measurements in the early 20th century have a cold bias.
It's a fun story illustrating the process of scientific discovery, so let me talk about it a bit. 🧵
www.nature.com/articles/s41...
It's a fun story illustrating the process of scientific discovery, so let me talk about it a bit. 🧵
www.nature.com/articles/s41...
Reposted by Bieito Fernandez Castro
Interested in how the ocean works?🌊
Want to find out more about how the wind, sun, sea ice and more impact nutrients in the Southern Ocean?🦠
Come do a PhD with me @bfcastro.bsky.social and others at
@bas.ac.uk 🇦🇶 and @unisouthampton.bsky.social via the IGNITE DLA (ignite-dla.soton.ac.uk).
Want to find out more about how the wind, sun, sea ice and more impact nutrients in the Southern Ocean?🦠
Come do a PhD with me @bfcastro.bsky.social and others at
@bas.ac.uk 🇦🇶 and @unisouthampton.bsky.social via the IGNITE DLA (ignite-dla.soton.ac.uk).
November 20, 2024 at 9:47 AM
Interested in how the ocean works?🌊
Want to find out more about how the wind, sun, sea ice and more impact nutrients in the Southern Ocean?🦠
Come do a PhD with me @bfcastro.bsky.social and others at
@bas.ac.uk 🇦🇶 and @unisouthampton.bsky.social via the IGNITE DLA (ignite-dla.soton.ac.uk).
Want to find out more about how the wind, sun, sea ice and more impact nutrients in the Southern Ocean?🦠
Come do a PhD with me @bfcastro.bsky.social and others at
@bas.ac.uk 🇦🇶 and @unisouthampton.bsky.social via the IGNITE DLA (ignite-dla.soton.ac.uk).
Reposted by Bieito Fernandez Castro
Interested in how the ocean works?🌊 Want to find out more about how the wind, sun, sea ice and more impact nutrients in the Southern Ocean?🦠 Come do a PhD with me
at the British Antarctic Survey 🇦🇶 and University of Southampton! www.findaphd.com/phds/project...
at the British Antarctic Survey 🇦🇶 and University of Southampton! www.findaphd.com/phds/project...
What are the physical controls on nutrients in the Southern Ocean? at University of Southampton on FindAPhD.com
PhD Project - What are the physical controls on nutrients in the Southern Ocean? at University of Southampton, listed on FindAPhD.com
www.findaphd.com
October 18, 2024 at 1:24 PM
Interested in how the ocean works?🌊 Want to find out more about how the wind, sun, sea ice and more impact nutrients in the Southern Ocean?🦠 Come do a PhD with me
at the British Antarctic Survey 🇦🇶 and University of Southampton! www.findaphd.com/phds/project...
at the British Antarctic Survey 🇦🇶 and University of Southampton! www.findaphd.com/phds/project...