The first paper for the IronMan project led by @altagliabue.bsky.social has been published in @globalchangebio.bsky.social onlinelibrary.wiley.com/doi/10.1111/... This January we set sail on the @bas.ac.uk research vessel the Sir David Attenborough to collect a whole suite of new observations 🌊

The Evolution of Southern Ocean Net Primary Production in a Changing Climate: Challenges and Opportunities

Net primary production in the Southern Ocean plays a critical role in governing ecosystem production, the biological carbon pump, and global biogeochemical cycles. Recent work has advanced our unders...

onlinelibrary.wiley.com

The 2025 GEOTRACES Summer School was a success! 🌊 A sincere thank-you to all organisers, lecturers & participants! 📅 17–21 Nov 2025 | 📍 Cape Town, SA geotraces-2025.sciencesconf.org Sponsors @cnrs.fr @scor-int.bsky.social @campusfrance.bsky.social @FranceInSouthAfrica #EarlyCareers 📽️ S. Fietz

🌊 We’re hiring! Permanent position for an assistant research scientist in marine autonomous systems at NOC Southampton. Do you enjoy developing python tools and data workflows? And have an interest in marine science? Apply before 10 December! careers.noc.ac.uk/vacancy/assi...

🌊 The GEOTRACES Summer School has started! 📅 17–21 Nov 2025 - Cape Town, South Africa 🔗 geotraces-2025.sciencesconf.org Training 36 students in marine biogeochemistry of trace elements & isotopes Thanks @cnrs.fr @scor-int.bsky.social #EarlyCareers #summerschool #marinescience #oceanscience

We’re proud to launch our new 10-year strategy: by deepening our knowledge of the ocean, we help every living thing on our planet flourish. Our focus: 🌎 Climate 🐟Biodiversity 🌪️ Hazards & Pollution 🌊 Sustainable Marine Economy 🧊 Arctic changes. Watch through our eyes here: 🎬 youtu.be/v6MSq2Qi2Sk

Our Vision For The Next Decade

YouTube video by National Oceanography Centre

youtu.be

🌊 Postdoc Opportunity: Ocean Biogeochemical Modelling Alessandro Tagliabue at the University of Liverpool is hiring a 3-year Postdoctoral Research Associate @altagliabue.bsky.social 🔗Details & apply www.jobs.ac.uk/job/DPG117/p... #Postdoc #Oceanography #Biogeochemistry #AcademicJobs #ScienceJobs

Western Indian subantarctic phytoplankton blooms fertilized by iron-enriched Agulhas water 🌊 rdcu.be/eMTV2?utm_ca...

Western Indian subantarctic phytoplankton blooms fertilized by iron-enriched Agulhas water

Nature Geoscience - Recurrent phytoplankton blooms in the western Indian Subantarctic Zone are largely supported by iron-rich water transported into the region by the Agulhas Current, according to...

rdcu.be

Seeking a three year postdoc in the field of ocean biogeochemistry and productivity using mechanistic models and synthesis of observations. Note the short fuse for applications. Please help distribute. All nationalities welcome to apply! 🌊 www.jobs.ac.uk/job/DPG117/p...

Postdoctoral Research Associate at University of Liverpool

Looking for a new job opportunity in academia? Check out this job opening for a Postdoctoral Research Associate on jobs.ac.uk!

jobs.ac.uk

🚨 Register now! Launch of GEOTRACES Intermediate Data Product 2025! 🌊 🎥 Join our release webinars: 20 Nov 13:15 UTC | 25 Nov 05:00 UTC 📝 Register: forms.gle/H4bMQ6PgjtQR... Discover a rich collection of hydrographic and marine geochemical data! @scor-int.bsky.social @unoceandecade.bsky.social

August 2025 data is now available for both Antarctic sea-ice thickness/volume (zacklabe.com/antarctic-se...) and global sea-ice volume (zacklabe.com/global-sea-i...) from GIOMAS. Another monthly record low (globally)! #DataViz #SciComm #OpenScience #OpenData 🧪🌊⚒️

Whilst trace metals influence ocean productivity, there are a paucity of regions where their spatial and temporal variability are well explored. Ortega et al., investigate the drivers of trace metal dynamics in the productive Northern Gulf of Alaska 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

🌊New paper out using 7Be to constrain global atmospheric deposition. "aerosol processes are more dynamic than previously estimated, with important implications for...aerosol-driven climate effects and marine biogeochemical processes globally." In memory of David Kadko. rdcu.be/eHihM

Constraining aerosol deposition over the global ocean

Nature Geoscience - Aerosol deposition onto the surface of the ocean has been underestimated, suggesting that aerosol lifetimes over the ocean are longer than previously appreciated, according to a...

rdcu.be

🌊 I have a new paper out in L&O Letters! We show that ocean color-based estimates of chlorophyll concentrations within 100 km of the Antarctic coastline are severely underestimated when applying the standard NASA L2gen atmospheric processing. This is caused by adjacency effects from ice and snow.

Excited to start my new position at the @noc.ac.uk today. Feels like coming home to where my academic career began

Researchers from the NOC have begun ground-breaking Arctic fieldwork in the fjords around Greenland to understand glacial meltwater’s impact on the carbon cycle, supported by Augmentum. 🧊🔁🌊 Read more here ➡️https://noc.ac.uk/news/noc-partners-augmentum-support-arctic-mission

🌊 I’m hiring! Last few days to apply!! Research Scientist in Marine Ecology & Machine Learning at the National Oceanography Centre, Southampton (UK). Got experience with machine learning techniques applied to marine ecology, biogeochemistry or climate change? careers.noc.ac.uk/vacancy/rese...

Phytoplankton are microscopic plants living in the water column. They flourish around Antarctica, where they both remove carbon from the atmosphere and are the base of the food web. Over the last 25 years, they have changed, and it's related to ice lose. 🧪🌊 Link: www.nature.com/articles/s41...

Today I had my farewell drinks at SOCCO. My 2 year postdoc position that turned into a beautiful 10 year adventure. From September I will be starting my new position @noc.ac.uk as a Senior Researcher in the Ocean BioGeoSciences group.

The circumpolar Southern Ocean circulation seems to have tipped and is in transition to a new state. Not good. 🌊🧪

Rising surface salinity and declining sea ice: A new Southern Ocean state revealed by satellites | PNAS

For decades, the surface of the polar Southern Ocean (south of 50°S) has been freshening—an expected response to a warming climate. This freshening...

pnas.org

🌊PhD Positions Available🌊 If you are interested in studying marine CDR check out the link below. There are 3 positions available at Stellenbosch University in the School of Climate Science. The applications will remain open until all positions are filled. climate.sun.ac.za/blog/three-p...

🌊 blogs.egu.eu/divisions/os...

Monitoring the Ocean’s Green Pulse: A New Global Dataset for Phytoplankton Phenology

Phytoplankton are tiny, single-celled organisms mainly found in the ocean’s sunlit surface, where they grow through photosynthesis, forming the marine food web’s base and regulating Earth’s climate by...

blogs.egu.eu

En route to the final SWINGS/GEOTRACES GS02 post cruise meeting. Prepared for a week of sharing ideas and drafting papers.

En route to the final SWINGS/GEOTRACES GS02 post cruise meeting. Prepared for a week of sharing ideas and drafting papers.

🌊 Registration now open for the GEOTRACES summer school. 📅 17-21 November | Cape Town 🎓Training in marine biogeochemistry of trace elements and isotopes for 36 students Applications close 30 June 2025 geotraces-2025.sciencesconf.org

🌊 New paper led by @sarahnicholson.bsky.social, myself and others. We generated a multi-year, multi-algorithm data product of global phytoplankton bloom phenology. The data is provided at 3 different spatial resolutions depending upon your study requirements. essd.copernicus.org/articles/17/...

Satellite-derived global-ocean phytoplankton phenology indices

Abstract. Phytoplankton bloom phenology is an important indicator for the monitoring and management of marine resources and the assessment of climate change impacts on ocean ecosystems. Despite its re...

essd.copernicus.org

10 years ago today I landed in Cape Town for a 2 year postdoc position. Countless memories, 3 job promotions and 1 husband later I would say accepting this position was one of the best decisions I’ve ever made.

🌊 interesting article on the status of polar research in South Africa. Here’s hoping something will finally be done to fix the many issues. www.dailymaverick.co.za/article/2025...

Marion Island ‘power crisis’: Generator clings to life as relief ship takes its time

Just one life-saving machine is still limping along at the isolated outpost. Back-up systems have thrown in the towel. As help from the South African mainland has been delayed again, all base staff ca...

dailymaverick.co.za

🌊 SOCCO’s brand new website is finally live. socco.org.za Check it out to find out more details about the team and the research projects we are involved in.

🌊

Oxygen and biogeochemical dynamics along the west African margin@westafricanmargin.bsky.social · last yr.

📣 Project Launch: Oxygen and biogeochemical dynamics along the west African margin (WAM): Processes and consequences 🌍 An interdisciplinary research project on ocean deoxygenation, funded by @schmidtsciences.bsky.social within the Ocean Biogeochemistry Virtual Institute (OBVI).

🌊 Today I presented at #icshmo2025 on some recent work I have been doing with @altagliabue.bsky.social and others. Where we performed a systematic assessment of NPP trends in models and observations, whilst also highlighting critical knowledge gaps that represent future research priorities.