Water temperature, as a scientific topic, refers to the thermal state of water expressed typically in degrees Celsius or Kelvin and governed by molecular kinetic energy, heat capacity, and heat exchange processes. It is a fundamental physical parameter controlling chemical reaction rates, solubility of gases (e.g., oxygen, CO₂), density-driven stratification, and phase transitions. In aquatic systems, water temperature regulates biological metabolism, species distributions, and ecosystem processes, and is influenced by solar radiation, atmospheric conditions, mixing, and advective heat transport. Accurate measurement and modeling of water temperature are critical in hydrology, limnology, oceanography, climate science, and environmental monitoring.
Wildfires are burning in North America and Europe. Deadly heat waves have parked over cities and the world's oceans are the hottest ever recorded for this time of year. A strengthening El Niño is forecast to be off-the-charts, ...
Environment
Aug 4, 2026
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Germany saw its highest temperature ever recorded Friday at 41.3°C (106.3°F), according to preliminary weather service data, as the country braces for the possibility of even higher temperatures over the weekend.
Environment
Jun 27, 2026
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The temperature of rivers is something most people think about only if they plan to go swimming, kayaking or spend a day fishing. Few consider how it could potentially affect their electricity bill.
Earth Sciences
Jun 12, 2026
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Accurate experiments on how ocean warming affects marine life are vital to ensure we can best prepare for the future, protect our food sources, and help safeguard ocean ecosystems. But some of these experiments may miss how ...
Imagine your favorite sunny beach. Anywhere will do. You look out and see the ocean stretching to the horizon. To a glaciologist, that view is not just water; it's melted ice. Our new study shows that the best case sea-level ...
Earth Sciences
Apr 24, 2026
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A new study reveals that some of the ocean's most powerful predators are running hotter, and that they are likely paying an increasingly steep price for it. The significance of this headline finding is the "double jeopardy" ...
Plants & Animals
Apr 16, 2026
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Most predators slow down when ocean temperatures shift. Great hammerhead sharks don't—not significantly anyway. These ocean predators are masters of the "thermal hustle," maintaining peak hunting performance across a surprisingly ...
Plants & Animals
Mar 31, 2026
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Fish that live in rivers, ditches, and streams are better able to withstand warming water than fish in the sea. This is the conclusion of research by ecologist Wilco Verberk of Radboud University. "It is important not to ...
Plants & Animals
Mar 5, 2026
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During a severe drought and heat wave in 2023, Amazonian lakes reached their highest recorded temperatures. Water temperatures in some areas climbed to an astonishing 41 degrees Celsius (105.8 degrees Fahrenheit) and resulted ...
When you think about heat waves, you might picture sweltering cities, shimmering asphalt and unbearable summer afternoons. These heat waves dominate the headlines because we feel them directly.
Environment
Sep 25, 2025
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