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Gage Mele

@gagemele

PhD student with @eco-oce-lab.bsky.social at KAUST| Three Seas Alumnus | Oceanography | Coral Reef Ecology πŸͺΈπŸŒŠ

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19.10.2024
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Latest posts by Gage Mele @gagemele

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Winners of the 2026 Underwater Photographer of the Year Contest A collection of honored images from this year’s competition celebrating β€œphotography beneath the surface of the ocean, lakes, rivers and even swimming pools”

See a collection of honored images from this year’s competition celebrating β€œphotography beneath the surface of the ocean, lakes, rivers, and even swimming pools”:

28.02.2026 02:45 πŸ‘ 34 πŸ” 13 πŸ’¬ 2 πŸ“Œ 0
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πŸ“’PAPER ALERT! New Capability in Autonomous Ocean Carbon Observations Using the Autosub Long-Range AUV Equipped with Novel pH and Total Alkalinity Sensors
🌊 @biogeosensing.bsky.social sensors integrated in NOC ALR during OCEANIDS cruise
For more infoπŸ‘‰https://pubs.acs.org/doi/10.1021/acs.est.4c10139

10.04.2025 12:07 πŸ‘ 11 πŸ” 5 πŸ’¬ 2 πŸ“Œ 0
Depth (0 to 300 m) by time (2022 to 2026) plots of temperature, salinity, particulate organic carbon (POC), chlorophyll (CHL_A), oxygen, nitrate, pH at in situ temp/pressure, and computed dissolved inorganic carbon (DIC) for float 5906497 (adopted name Hedy Lamarr).

Depth (0 to 300 m) by time (2022 to 2026) plots of temperature, salinity, particulate organic carbon (POC), chlorophyll (CHL_A), oxygen, nitrate, pH at in situ temp/pressure, and computed dissolved inorganic carbon (DIC) for float 5906497 (adopted name Hedy Lamarr).

🌊BGC-Argo float of the month is 5906497 with 4 years under Antarctic sea ice, just popped out. It was adopted by the American School in Jeddah, Saudi Arabia and named β€œHedy Lamarr” – the actress who co-invented and patented frequency hopping communications.Β  Named for her science contribution. 1/2

03.01.2026 00:29 πŸ‘ 38 πŸ” 13 πŸ’¬ 3 πŸ“Œ 2
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New GEOTRACES Science Highlight! 🌊

Long-range transport of iron via the #Agulhas Current and counter-current: a boon for the phytoplankton
www.geotraces.org/long-range-t...

Paper first authors: Eva Bucciarelli & Pierrick Penven, LEMAR

#oceanscience #traceelements
@scor-int.bsky.social

27.11.2025 10:00 πŸ‘ 19 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0

Google Scholar now offers a new feature, Scholar Labs, that uses AI to help you search for papers by asking complex research questions. The search will provide you with a list of papers and, for each one, a brief explanation of how it addresses your query. 🌊πŸ§ͺ scholar.google.com/scholar_labs...

26.11.2025 12:01 πŸ‘ 10 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1
The 3 graphs show temperature, salinity, and oxygen from the surface to 300 m versus year from 2018 through 2025 for profiling float 5905383. The map shows the trajectory of the float from deployment in the Weddell Gyre (green square) and a loop around the Weddell sea to the present position at the red square.

The 3 graphs show temperature, salinity, and oxygen from the surface to 300 m versus year from 2018 through 2025 for profiling float 5905383. The map shows the trajectory of the float from deployment in the Weddell Gyre (green square) and a loop around the Weddell sea to the present position at the red square.

What's interesting as the Thanksgiving Holiday arrives? The first @bgc-argo.bsky.social profiling floats begin to emerge from under Antarctic sea ice each year. Float 5905383 is the first @soccomproject.bsky.social float for 2025/26. It has spent 7.9 years operating under ice.
#argofloats #oneargo

25.11.2025 06:07 πŸ‘ 32 πŸ” 10 πŸ’¬ 3 πŸ“Œ 3

🌊πŸ§ͺπŸ¦‘πŸŒ

24.11.2025 08:57 πŸ‘ 8 πŸ” 7 πŸ’¬ 0 πŸ“Œ 0

🌊πŸ§ͺπŸ¦‘πŸŒ

24.11.2025 08:57 πŸ‘ 7 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Ocean Carbon From Space 2025 The 2nd Ocean Carbon from Space workshop will support progress towards an integrated approach for characterising the ocean carbon cycle using satellite observations and will advance our understanding ...

Starting Monday! 🌊 A free online @esa.int Scope Project workshop bringing the #ScientificCommunity together to tackle key gaps & challenges in #CceanCarbon #research.
Join the discussions on #FieldData, #satellites & #modelling πŸ‘‰
oceancarbonfromspace2025.esa.int

21.11.2025 15:02 πŸ‘ 8 πŸ” 3 πŸ’¬ 1 πŸ“Œ 1
Schematics of the upwelling circulation in submarine canyons

Schematics of the upwelling circulation in submarine canyons

Submarine canyons are incisions of the continental slope that favor exchange of coastal and abyssal waters. Brun et al., present new work from the Cassidaigne canyon showing its key role for vertical exchange in the Mediterranean 🌊

agupubs.onlinelibrary.wiley.com/doi/10.1029/...

12.11.2025 01:45 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Single-particle genomics uncovers abundant non-canonical marine viruses from nanolitre volumes Nature Microbiology - Environmental micro-compartment genomics provides efficient and high-throughput single-particle DNA sequencing that captures overlooked members of microbial communities.

πŸš€ New in @natmicrobiol.nature.com
EMCG β€” droplet-based single-particle genomics method 🧬⚠️Sequencing marine microbes one by one β€” in nL of seawater!

Ultra-high resolution β€” no culture, no bulk averaging. A new way to see the invisible πŸ«₯ 🌊 rdcu.be/eOsUF #protistsonsky @bigelowlab.bsky.social

05.11.2025 20:34 πŸ‘ 43 πŸ” 11 πŸ’¬ 0 πŸ“Œ 0

Characterization of Phytoplankton-Excreted Metabolites Mediating Carbon Flux through the Surface Ocean www.biorxiv.org/content/10.1... #jcampubs 🌊

06.11.2025 15:17 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
A surface drifter floating in the blue sea. The drifter is a wood and fabric construction, mostly white, with 4 yellow buoys and an emerged case with a white box and a red light on top.

A surface drifter floating in the blue sea. The drifter is a wood and fabric construction, mostly white, with 4 yellow buoys and an emerged case with a white box and a red light on top.

ok, this is maybe a long shot, but anyone here using GPS tags (the ones you can put in luggage etc) for self-built surface drifters? 🌊 So far we've used raspberry-pi with a GPS module, but we have lots of connection problems, so we're looking to simplify this....

07.11.2025 09:36 πŸ‘ 7 πŸ” 3 πŸ’¬ 3 πŸ“Œ 0
Depth-time sections from Seaglider data

Depth-time sections from Seaglider data

Episodic events, such as swirling water from eddies, fronts, and strong winds, can transport large amounts of organic carbon into deeper waters on short timescales. Kheireddine et al., deploy gliders to study these events in the Red Sea 🌊

agupubs.onlinelibrary.wiley.com/doi/10.1029/...

20.10.2025 00:53 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
A visualization of a hydrothermal vent plume

A visualization of a hydrothermal vent plume

Hydrothermal vent fields on the ocean floor release hot, mineral-rich water that forms rising plumes, known as black smokers. Lemaréchal et al., use computer simulations to investigate plume behavior near the seafloor 🌊

agupubs.onlinelibrary.wiley.com/doi/10.1029/...

16.10.2025 13:31 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

The Contribution of Deep Chlorophyll Maxima to Net Primary Production in the Southern Ocean agupubs.onlinelibrary.wiley.com/doi/10.1029/... #jcampubs 🌊

09.10.2025 15:40 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
International Biodiversity Consultants Ltd - new research

International Biodiversity Consultants Ltd - new research

#MarineAnimal data was used to map global #coastal #biogeographic boundaries and turns out that strong #ThermalGradients and #currents act as barriers, creating 23 new areas.

Data-driven methods can provide more accurate map of #marine #biodiversity / #ecology #distribution 🌍

shorturl.at/DFCii

16.09.2025 05:56 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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New paper!

β€˜Climate change impacts to upwelling and shallow reef nutrient sources across an oceanic archipelago’

Out now in Limnology and Oceanography @aslo.org

aslopubs.onlinelibrary.wiley.com/doi/10.1002/...

β¬‡οΈπŸ§΅

08.09.2025 08:58 πŸ‘ 15 πŸ” 11 πŸ’¬ 1 πŸ“Œ 1
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Long-term dynamics of hard coral cover across Indonesia - Coral Reefs Most comparative studies assessing reef health focus on living hard coral cover as the key metric. In Indonesia, in situ monitoring of coral cover has been ongoing for over five decades. However, as m...

1/ New paper in Coral Reefs compiles 7,600+ observations of coral cover across Indonesia (1994–2022).
Surprisingly, they find no clear national-level decline in coral cover over nearly 30 years. 🀯
link.springer.com/article/10.1007/s00338-024-02540-6

03.09.2025 16:31 πŸ‘ 15 πŸ” 4 πŸ’¬ 1 πŸ“Œ 1
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Selective nutrient incorporation may underestimate heterotrophy of a mixotrophic reef-building coral - Communications Biology Fatty acid profiling and stable isotope analysis reveals selective nutrient incorporation in a common mixotrophic reef-building coral. This selective uptake underscores the potential for underestimati...

πŸͺΈFatty acid profiling & stable isotope analysis reveal selective nutrient incorporation in a mixotrophic #coral (S. pistillata), suggesting conventional methods may underestimate heterotrophy. @urigso.bsky.social, @eco-oce-lab.bsky.social @marleen-stuhr.bsky.social
www.nature.com/articles/s42...

28.08.2025 17:06 πŸ‘ 7 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1
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Nutrient and phytoplankton variability in the tropical and subtropical western North Pacific simulated using OFES2 - Journal of Oceanography This study examines the interannual variability in nutrients and phytoplankton in the western North Pacific (WNP) using the eddy-resolving ocean simulation coupled with a biological model. We focus on...

Nutrient and phytoplankton variability in the tropical and subtropical western North Pacific simulated using OFES2 link.springer.com/article/10.1... #jcampubs 🌊

25.08.2025 16:45 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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🚨New PhD paper out today in @natcomms.nature.com with @renatoamorais.bsky.social and Dave Bellwood! 🚨

Marine fishes exhibit extraordinary patterns of diversity, but how does this diversity relate to their productivity? 🐟🐠🐑

🌐
πŸ¦‘πŸ§ͺ

πŸ”— nature.com/articles/s41...

22.08.2025 03:27 πŸ‘ 28 πŸ” 9 πŸ’¬ 3 πŸ“Œ 1
Uncovering the Structural Space of Marine Dissolved Organic Matter | Annual Reviews Marine dissolved organic matter (DOM) represents one of Earth's most complex exometabolomes, playing a central role in marine carbon cycling and long-term sequestration. Despite its biogeochemica...

Uncovering the Structural Space of Marine Dissolved Organic Matter www.annualreviews.org/content/jour... #jcampubs 🌊

22.08.2025 16:55 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Out today! β€˜Quantifying coral reef–ocean interactions is critical for predicting reef futures under climate change’ in @natecoevo.nature.com
#EcologicalOceanography #InterdisciplinaryResearch #CoralReefs #OceanicSubsidies

doi.org/10.1038/s415...

@sosbangor.bsky.social

11.08.2025 13:03 πŸ‘ 41 πŸ” 20 πŸ’¬ 2 πŸ“Œ 3

Aggregation and Remineralization of Trichodesmium Unveil Potential for Ocean Carbon Sequestration academic.oup.com/ismecommun/a... #jcampubs 🌊

30.07.2025 14:42 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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The ecology of the oxyscape in coastal ecosystems Oxygen is vital for marine life. Despite global ocean deoxygenation, coastal oxygen dynamics are poorly understood. We synthesise the biological and mechanical processes that shape the coastal oxyscap...

The ecology of the oxyscape in coastal ecosystems www.cell.com/trends/ecolo... #jcampubs 🌊

28.07.2025 17:31 πŸ‘ 16 πŸ” 8 πŸ’¬ 1 πŸ“Œ 0

🌊πŸ§ͺπŸŒπŸ¦‘

24.07.2025 12:24 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Six striking images showcase scientific fieldwork The winners of Nature’s 2025 photo competition braved crashing waves andΒ misty mountains to capture their science.

Link to the @nature.com winning photographs:
www.nature.com/immersive/d4...

02.06.2025 07:38 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Extreme marine heatwave linked to mass fish kill in the Red Sea Anthropogenic climate change has precipitated an increase in marine heatwaves (MHWs) that have significant and multifaceted impacts on marine ecosyste…

Check out this new paper led by @whyoceansmatter.bsky.social on a heatwave in the Red Sea and the impacts on local coral reef fishes with implications for improved coastal monitoring. πŸŒŠπŸ¦‘πŸ§ͺ🌍

www.sciencedirect.com/science/arti...

02.04.2025 12:51 πŸ‘ 19 πŸ” 8 πŸ’¬ 0 πŸ“Œ 0
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Exploration of two low-oxygen deep-sea areas of the Red Sea by remotely operated and crewed vehicles describe a heretofore unknown ecosystemβ€”and an unknown fish able to live at high temperatures (~22Β°C) and suboxic conditions. In PNAS Nexus: academic.oup.com/pnasnexus/ar...

12.03.2025 16:36 πŸ‘ 1 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0