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Tristan McKenzie

@h2osci.bsky.social
77 followers 76 following 2 posts

Researcher at the University of Gothenburg. Interested in coastal #groundwater, #micropollutants & #machinelearning. Past Marie Curie fellow | PhD 2020 @ University of Hawaiʻi | he/him 🏳️‍🌈

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Tristan McKenzie @h2osci.bsky.social · 08/09/2025
Interested in learning how submarine #groundwater discharge carries metals and pharmaceuticals to the coastal ocean? Check out my recent interview for the #Oceanography podcast series! shows.acast.com/67fd1ac310b3...
shows.acast.com
The Hidden Pipeline: How Human Pollution Seeps into the Sea with Dr. Tristan McKenzie | Oceanography
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Jemma Fadum @biogeojem.bsky.social · 29/07/2025
Going to #OSM26? Consider joining us for our session on Bridging the Fresh/Salty Divide! @ljfalkenberg.bsky.social @h2osci.bsky.social @aslo.org
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Tristan McKenzie @h2osci.bsky.social · 09/07/2025
Pleased to share our new publication in @aslo.org L&O! We used #radium-224 to quantify vertical mixing and benthic silicate fluxes across the #Baltic Sea. Read more here (fully open access): doi.org/10.1002/lno.... With (and others): @barefootlab.bsky.social @biogeoste.bsky.social
doi.org
Radium isotopes quantify vertical mixing and reveal large benthic silicate fluxes in anoxic deep waters
Benthic fluxes are important sources of nutrients and dissolved carbon to the water column. Yet, most approaches for quantifying benthic fluxes are labor intensive and cover relatively small areas of...
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Stefano Bonaglia @biogeoste.bsky.social · 04/04/2025
#Nitrogen paper out! 🌊🌊🌊 Global lagoons emit more N2O than we thought! agupubs.onlinelibrary.wiley.com/doi/full/10.... The 2nd PhD paper by @hlscheung.bsky.social with a great team @barefootlab.bsky.social, etc. is out now in @jgrbiogeo.bsky.social @agu.org
agupubs.onlinelibrary.wiley.com
Nitrate‐Driven Eutrophication Supports High Nitrous Oxide Production and Emission in Coastal Lagoons
Eutrophication stimulates nitrous oxide emissions in coastal lagoons Excess nitrate induces incomplete denitrification, leading to high nitrous oxide effluxes in sediments Nitrous oxide emission...
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Nadine Lehmann @nadlehmann.bsky.social · 24/03/2025
New paper just published! We combined a water mass decomposition with biogeochemical tracers to untangle advective nutrient sources from the Gulf Stream and the Labrador Current versus local recycling along the Northwest Atlantic continental shelf. Have a look: 👇🌊🧪 #AGU doi.org/10.1029/2024GB008409
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Yvonne YY Yau @yvonneyau.bsky.social · 18/02/2025
My last PhD chapter is out! Combined GHG fluxes reveal a net carbon sink across a glacier-ocean continuum — glacier exports CH₄ to coastal waters, but strong CO₂ uptake outweighs GHG emissions. 🌊❄️ Read more: agupubs.onlinelibrary.wiley.com/doi/full/10....
agupubs.onlinelibrary.wiley.com
Combined CH4, N2O, and CO2 Fluxes Reveal a Net Carbon Sink Across a Glacier‐Ocean Continuum
A rapidly-retreating marine-terminating glacier exported CH4 to nearshore waters N2O was undersaturated near the glacier front The regional CO2 sink greatly outweighs CH4 and N2O emissions
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Celeste Labedz @celestelabedz.bsky.social · 10/02/2025
The main DEI page from @agu.org has been modified to take diversity out of the title. Glad to see it's not deleted entirely, but hey AGU, we're watching what you do and remembering the big game you once talked about supporting your diverse membership. Today vs. January
Screencap of American Geophysical Union DEI webpage (URL at end) reading "Inclusion at AGU" on a banner with "AGU Ethics & Equity Center" link below it.

https://www.agu.org/learn-about-agu/about-agu/diversity-and-inclusionScreencap Wayback Machine archive version of American Geophysical Union DEI webpage (URL at end) from January 04 2025, reading "Diversity & Inclusion at AGU" on a banner with "Diversity, Equity, & Inclusion at AGU" section below it, with link to "Diversity & Inclusion Strategic Plan"
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Isaac Santos @barefootlab.bsky.social · 15/01/2025
Awesome outcome of Apra Tomer’s MSc work summarising >10 years of field investigations at 40 coastal systems from 14 countries. Groundwater discharge explained much of the CO2 tidal dynamics in nearshore waters. www.science.org/doi/full/10....
science.org
Groundwater releases CO2 to diverse global coastal ecosystems
Groundwater is a hidden, steady source of CO2 to coastal waters.
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