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Mathew Wells

@efdtoronto.bsky.social
3.5K followers 1.6K following 238 posts

Prof. University of Toronto Scarborough 🌊 ❄️ 💧 🐟 Great Lakes - Limnology - Fluid Dynamics Sediment Transport - Ice - Fish

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Mathew Wells @efdtoronto.bsky.social · 19/09/2026
Big waves in Toronto today from easterly wind gusting at 10 m/s
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Mathew Wells @efdtoronto.bsky.social · 19/09/2026
Waves on Lake Ontario
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Mathew Wells @efdtoronto.bsky.social · 18/09/2026
New winter limnology paper doi.org/10.1002/lno.... “The length of winter influences the dissolved oxygen dynamics in a large ice-covered dimictic lake”
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Mathew Wells @efdtoronto.bsky.social · 01/09/2026
The wind had pushed iceberg ashore near Alert base
The frozen chosen Ice on beach in Arctic
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Mathew Wells @efdtoronto.bsky.social · 31/08/2026
Snow was falling on the high Arctic lake where we deployed a thermistor chain to monitor winter dynamics
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Mathew Wells @efdtoronto.bsky.social · 29/08/2026
Waiting for the wind to calm down so we can go on our lake..
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Bicycles in Toronto @bikephotosto.bsky.social · 25/07/2026
The white Atlas crane at Biidaasige Park in Toronto is reminiscent of the dinosaurs at the Royal Ontario Museum.
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Mathew Wells @efdtoronto.bsky.social · 23/07/2026
New paper out by Patricia Semsecen on wind driven transport of plsstic debris in Georgian Bay, Lake Huron, Ontario iopscience.iop.org/article/10.1...
iopscience.iop.org
Observing surface water currents and macroplastic pollution transport using GPS-tracked drifters in a large embayment of the Great Lakes, Canada
Observing surface water currents and macroplastic pollution transport using GPS-tracked drifters in a large embayment of the Great Lakes, Canada, Semcesen, Patricia Olena, Sweetnam, David, wells, mathew G., Gordon, Amber
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Mathew Wells @efdtoronto.bsky.social · 23/07/2026
Interesting periodic patterns formed by waves on a beach
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Mathew Wells @efdtoronto.bsky.social · 12/05/2026
We are excited about #aslo in Montreal this week. Our group will talk about how various physical processes influence lake dynamics.
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Robert Ladwig @hydrobert.bsky.social · 12/05/2026
We’re in Montreal and super excited for #ASLOSIL26! We’ll talk about physics, bubbles, nitrogen and models. Also, join us at ///SS009 The Next Frontier in Aquatic Sciences/// from Friday to Saturday. 🌊 Invited talk by Abhilash Neog about foundation modeling for lake research.
Presentations by team members this week: Ahmed on Friday at 10 AM, Tuba and Robert on Friday at 11 AM, and Tom on Saturday at 4:45 PM
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Mathew Wells @efdtoronto.bsky.social · 02/05/2026
Water levels in Lake Ontario are rising quickly - ijc.org/en/loslrb/wa...
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Mathew Wells @efdtoronto.bsky.social · 25/04/2026
The ASL0-SIL meeting starts in sbout 2 weeks. This workshop might be of interest www.aslo.org/aslo-sil-202... WS11 Tutorials in Physical Limnology for Biologists and Chemists Date/Time: Thursday, 14-May-26, 13:00-14:15 Location: 519A
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Bicycles in Toronto @bikephotosto.bsky.social · 18/04/2026
Sunrise Lake Ontario
Toronto beaches
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Mathew Wells @efdtoronto.bsky.social · 15/04/2026
Highland creek at UTSC after thunderstorms this morning
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Mathew Wells @efdtoronto.bsky.social · 07/04/2026
inspiredplanet.ca/hidden-below...
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Mathew Wells @efdtoronto.bsky.social · 03/04/2026
www.asc-csa.gc.ca/eng/missions...
Canadian Artemis patch
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Mathew Wells @efdtoronto.bsky.social · 28/03/2026
CN tower with waves in foreground
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Shawn Micallef @shawnmicallef.bsky.social · 23/03/2026
Liberals, esp local ones, are extremely mealy mouthed about this in their statements. They could stop it quickly if they wanted to.
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Mathew Wells @efdtoronto.bsky.social · 23/03/2026
I don’t see how this will improve most people lives near Toronto Harbour.
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Richard Fallon @richardfallon.bsky.social · 17/03/2026
I had forgetten, if I ever knew, that there was a Foraminifera Sculpture Park. 114 sculptures. Sublime.
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Cooperative Institute for Great Lakes Research (CIGLR) @ciglrum.bsky.social · 03/03/2026
🌊 NEW BLOG! Listening to Storm Waves Beneath Lake Ontario A study led by former #CIGLR postdoc Dr. Chu-Fang Yang & CIGLR's Ayumi Fujisaki-Manome & @umich.edu partners shows how a fiber-optic cable on the lakebed can monitor storm waves in real time: ciglr.seas.umich.edu/listening-st... #GreatLakes
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Mathew Wells @efdtoronto.bsky.social · 09/02/2026
www.theguardian.com/media/2026/f...
theguardian.com
Jon Kudelka, much-loved Australian political cartoonist, dies aged 53
Award-winning Tasmanian artist’s work was published by the Australian, the Saturday Paper and the Hobart Mercury
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Bicycles in Toronto @bikephotosto.bsky.social · 07/02/2026
Wind and -20°C created some wild ice on the trees by beach in #Toronto
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I'll be Frank with you 🇨🇦 @syncros.bsky.social · 01/02/2026
Highly recommend taking a spin on the lake tomorrow in the sun. Walk off the beach at Snake Island onto the solid ice.
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Mathew Wells @efdtoronto.bsky.social · 24/01/2026
Frozen ships in -22°C in to Toronto harbour
Frozen Toronto harbour
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Mathew Wells @efdtoronto.bsky.social · 21/01/2026
Interesting mix of fluid dynamics and biology pubs.acs.org/doi/10.1021/...
pubs.acs.org
Tracing Environmental DNA Transport in a Large Lake with Synthetic DNA Microparticles and Hydrodynamic Modeling
Natural environmental DNA (eDNA) offers a powerful tool for aquatic ecosystem monitoring. However, its transport in large lakes remains poorly understood due to its instability, scarcity, and heteroge...
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High Seas Alliance @highseasalliance.bsky.social · 17/01/2026
The #HighSeasTreaty is now in force! unlocking the path to protect half our planet, the High Seas. 📢 Now’s the time for more countries to ratify and be part of the first #BBNJCOP. highseasalliance.org/treaty-ratific… #60toGlobal
Image featuring a whale shark swimming in a deep blue ocean, with text overlay stating 'PROTECTING OUR PLANET. The High Seas Treaty creates a global framework to safeguard marine biodiversity beyond borders #GoToGlobal.'
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Mathew Wells @efdtoronto.bsky.social · 10/01/2026
www.theguardian.com/world/2026/j...
theguardian.com
Quebec’s Lake Rouge vanished – but was it a freak natural event or caused by human actions?
Experts and community trying to untangle mystery of outburst that saw water travel almost 10km overland into a bigger lake
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Mathew Wells @efdtoronto.bsky.social · 13/12/2025
Snow on the beach in Toronto
Snowy beach
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Dave Osmond @davidosmond.bsky.social · 03/12/2025
Thread: Each week I run a simulation of Australia’s main electricity grid using rescaled generation data to show that it can get very close to 100% renewable electricity with 24GW/120GWh of storage (5 hrs at av demand) Results: Last week: 100% RE Last 223 weeks: 98.6% RE (1/5)
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Bicycles in Toronto @bikephotosto.bsky.social · 03/12/2025
A wild sculpture in Toronto made out of bike chains ⛓️ 🚲
Bike chains sculpture Bike chains
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Bicycles in Toronto @bikephotosto.bsky.social · 01/12/2025
The new delta of Don River is now visible on satellite maps!
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Jason Thorne @jasonthorne.bsky.social · 30/11/2025
Our new island is now showing up on Google Maps! (Ookwemin Minising island in Toronto)
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Mathew Wells @efdtoronto.bsky.social · 29/11/2025
The new TTC map is up - line 5 and 6 might actually be happening in Toronto? #TTC
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KinarNicholas.bsky.social @kinarnicholas.bsky.social · 28/11/2025
Hydrology Paper of the Day @efdtoronto.bsky.social on how GPS trackers quantify the movement of plastic debris in Toronto Harbour on Lake Ontario: calculation of plastic drift velocities and paths; relationships with wind patterns and water current variabilities; and a geography of water circulation
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The Ricciardians @ricciardilab.bsky.social · 28/11/2025
storymaps.arcgis.com/stories/c6ac...
storymaps.arcgis.com
Studying Goldfish in the Grace Chain of Lakes
While doing routine monitoring in April 2019, Carver County Water Management Organization staff discovered thousands of goldfish in an inlet to Big Woods Lake in Chaska. It was the most densely p...
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Mathew Wells @efdtoronto.bsky.social · 14/11/2025
Join us for an exciting session on physical limnology at the ASLO-SIL Joint Meeting, May 12–16, 2026, in Montréal, Canada www.aslo.org/aslo-sil-2026/ We are convening Special Session SS004: Physical Limnology—Dynamics, Drivers, and Change in Inland Waters. 🌊
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Mathew Wells @efdtoronto.bsky.social · 09/11/2025
The Halifax wave 🌊
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Mathew Wells @efdtoronto.bsky.social · 09/11/2025
Science communication sign in Halifax with pictures of secchi disk
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Mathew Wells @efdtoronto.bsky.social · 01/11/2025
Nibi =water Street sign to waters of Toronto
Nibi =waterSign to rivers, creeks and lakes near Toronto
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Mathew Wells @efdtoronto.bsky.social · 19/10/2025
The horseshoe falls look like a massive wave cresting over and breaking with an incredible roar
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Mathew Wells @efdtoronto.bsky.social · 08/10/2025
New winter limnology paper out agupubs.onlinelibrary.wiley.com/doi/10.1029/... “How Ice Composition Controls Radiatively Driven Convection Under Lake Ice” 🌊 ❄️
agupubs.onlinelibrary.wiley.com
How Ice Composition Controls Radiatively Driven Convection Under Lake Ice
Numerical simulations show how ice composition influences heating and convection of the under-ice water column in lakes The diffusive boundary and stratified layers near the ice–water interface a...
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Mathew Wells @efdtoronto.bsky.social · 06/10/2025
New paper on winter limnology of Lake Ontario now out- “Unique thermal mixing patterns in Lake Ontario revealed by novel year-round observations of thermal stratification” Open access link at aslopubs.onlinelibrary.wiley.com/doi/full/10....
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Mathew Wells @efdtoronto.bsky.social · 05/10/2025
It’s October and the water is still warm at beach in Toronto with swimming still possible!
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Mathew Wells @efdtoronto.bsky.social · 27/09/2025
Hundreds of canoes ready to go
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Mathew Wells @efdtoronto.bsky.social · 27/09/2025
Large Algoma freight ship in Toronto
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Mathew Wells @efdtoronto.bsky.social · 22/09/2025
A salmon on Don River inToronto
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Mathew Wells @efdtoronto.bsky.social · 08/09/2025
New winter limnology paper “Enhancing winter climate simulations of the Great Lakes: insights from a new coupled lake–ice–atmosphere (CLIAv1) system on the importance of integrating 3D hydrodynamics with a regional climate model” gmd.copernicus.org/articles/18/...
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Mathew Wells @efdtoronto.bsky.social · 01/09/2025
Often September is warm for swimming, but right now the city is reporting 5 °C at the Toronto beaches due to an upwelling of cold water! www.openwaterdata.com/site/woodbin...
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