Postdoctoral researcher at the Institute of Marine Sciences and Technology, Dokuz Eylül University
İzmir, Türkiye
Joined February 2011
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Erdal Tokat retweeted
Every river in Africa, every day for a year. The monsoon lifts the Niger and the Blue Nile, then swings south to the Zambezi, while the Congo never stops. Data: GloFAS (Copernicus, ECMWF)
#rivers #dataviz #hydrology
Erdal Tokat retweeted
Human, animal and environmental health are inseparable.
From climate change to antimicrobial resistance, what harms nature harms us.
On #OneHealthDay, let’s back a One Health approach—for healthier people and a healthier planet.
Erdal Tokat retweeted
🗺️ Bring R and Python together for climate data analysis!
Our new R-Demonstrator shows how ESA's Climate Change Initiative (CCI) Toolbox can be used within R-Scripts:
🔗 Work across R and Python in one environment
📊 Visualise climate data
⚡ Carry out statistical analyses and apply spatio-temporal operations
A practical route for researchers who use R and want flexible access to climate-data tools. Start exploring the R-Demonstrator now: github.com/esa-cci/ect-demon…
ALT Using R to plot atmospheric carbon dioxide from the Greenhouse Gas ECV, derived with the EMMA algorithm from GOSAT measurements
🌊📈Excited to share that my recent study is now published in Ocean Science Journal.
Sea Surface Temperature Variability in Izmir Bay, Aegean Sea: Marine Heat Waves, Cold Spells, and Fish Mass Mortality Events
Link: doi.org/10.1007/s12601-026-0…
#MarineHeatwaves #Izmir #AegeanSea
Erdal Tokat retweeted
I just added a new graphical timeline of our rapidly changing planet (through 2025)...
This high-resolution visualization is now permanently featured at the very bottom of my climate change indicators webpage.
➡️ Check it out here: zacklabe.com/climate-change-…
Erdal Tokat retweeted
What does the latest research tell us about Earth's changing climate?
The '10 New Insights in Climate Science 2025' report highlights ten key findings, including accelerating ocean warming, record‑breaking global heat and reduced carbon uptake on land.
Read more:
esa.int/Applications/Observi…
📹contains modified Copernicus Marine Service data (CNR, Buongiorno et. al.), processed by ESA
Erdal Tokat retweeted
Understanding ocean color from satellite images can be challenging.
The @nasaocean PACE mission, launching in 2024, will see Earth’s ocean colors in new detail.
Learn about PACE: go.nasa.gov/3IuYkv1 🌊 🌈 🛰️
ALT Satellite image showing swirls of blues and greens in the Sea of Marmara, near Turkey, in 2015. The colorful swirls indicate phytoplankton blooms in the water. The city of Istanbul is in the upper right corner of the image.
ALT Satellite image showing swirls of sediment, which appear light blue against the darker ocean water, off the Queensland coast of Australia in the wake of Tropical Cyclone Yasi in 2011.
Erdal Tokat retweeted
This is unbelievably bad.
The warmth of the waters in the Caribbean Sea extends so deep that Melissa could remain stationary for days and still not upwell cooler water — 30°C over a layer extending down to 50 meters or more. This thing will basically have endless ocean fuel.
Erdal Tokat retweeted
In Antarctica, ice shelves extend from glaciers and float on the ocean like tethered rafts. Warming seas lap at the ice, melting it from below. When these shelves will collapse is a question for basic physics. quantamagazine.org/how-soon-…
Erdal Tokat retweeted
"Probability does not exist."
This provocative quote is by the Italian statistician and probabilist Bruno de Finetti.
It encapsulates the core idea of Subjectivism or Bayesianism, a major school of thought in probability. De Finetti argued that probability is not an objective property of the world (like mass or temperature). Instead, it's a measure of an individual's degree of belief about an uncertain event, based on their knowledge and evidence.
Essentially, he meant that a "50% chance of rain" doesn't exist in the clouds themselves; it exists in the mind of the meteorologist who assigns that value based on the data they have. It's a powerful statement that reframes probability as a tool for reasoning under uncertainty, rather than a feature of physical reality.
Erdal Tokat retweeted
Climate change contains feedback loops. A warmer atmosphere, for example, can hold more water, which in turn doubles the total warming and draws even more water into the air. quantamagazine.org/the-clima…
Erdal Tokat retweeted
A pretty spectacular satellite image of the ex-hurricane #Gabrielle now approaching the Iberian Peninsula. The center of the low, around 992 mbar, will go onshore in central Portugal tonight. Severe winds and high waves are expected along the coast.
Erdal Tokat retweeted
Brace for Hurricane #Gabrielle impact on the Azores, which is expected to have significant winds and storm surges by Friday morning.
severe-weather.eu/global-wea…
Erdal Tokat retweeted
Each year, enough dust to build 1,000 copies of the Great Pyramid of Giza is lofted into the atmosphere. These grains of sand seed cloud formation, fertilize the seafloor, and impact heat retention. Mere specks of dust influence the nature of the entire planet. quantamagazine.org/how-clima…
Erdal Tokat retweeted
ABSOLUTE INSANITY IN THE CANARY ISLANDS
Brutal NIGHT MINIMUM
32.4 San Nicolas
We are are record level for ALL AFRICA for this time of the year.
San Nicolas also was the SECOND hottest spot WORLDWIDE tonight
Yesterday records
39.9 Gran Canaria
33.6 Hierro
Table Kudos AEMET
Erdal Tokat retweeted
Sea-surface temps are running a fever across most of northern oceans. Not a good look going into fall. Above-normal SSTs mean 1) more evaporation => heavier precipitation, 2) warmer air, 3) slow sea-ice growth, and 4) unusual weather patterns. Buckle up!
Erdal Tokat retweeted
A satellite view of Chinese illegal, unreported & unregulated (IUU) fishing vessels swarming in Peruvian waters!
Chinese vessels illegally enter Peruvian waters mostly to catch giant squids. @MalayaIrredenta @nthusharon @ChongJaIan
Erdal Tokat retweeted
For decades, nobody knew why coho salmon in Seattle’s streams would swim upstream strong and healthy, then spiral, twitch and suffocate within hours of rain. Whole runs gone overnight.
In 2020, researchers solved the mystery, a tyre additive called 6PPD. It reacts with ozone in the air (yes, the same ozone layer you’ve heard about) and transforms into 6PPD-quinone, a chemical nobody had studied until recently.
For salmon, it’s instant poison. Exposure kills them in less than three hours.
Now the story has widened. New research confirmed this isn’t just a salmon problem. Tyre-wear dust ripples outward, disrupting trout, aquatic insects and even the microbial base of rivers.
It doesn’t stop at water. It’s airborne. In Seoul, researchers measured 61,000 kilograms of tyre dust drifting into the air every year. Each particle is small enough to ride deep into human lungs and never leave.
This is the hidden chemical footprint of modern life. One tyre revolution at a time, we are grinding rivers, ecosystems, and ourselves into dust.
weareoceanrising.substack.co…
