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25 results for “microplastics in the ocean how tiny fragments travel”
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌊 Where the Salt Stays: Why the Ocean Is Salty but Rivers and Most Lakes Are Fresh
From section: Frequently Asked Questions+Does salt evaporate with ocean water? Most dissolved salts do not enter water vapor during ordinary evaporation. Water molecules escape from the surface, leaving the ions behind. Salt can still reach the atmosphere through breaking waves and sea spray, which produce tiny salt-containing droplets and particles.
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌐 How SONAR Uses Sound to Map the Hidden Ocean Depths
From section: 🐋 Listening to life in the oceanThis biological perspective connects back to the earlier discussion of sound propagation. The same physical principles that guide SONAR pulses also shape how animal sounds travel through the ocean, which provides a natural path toward understanding how SONAR technology developed over time.
- The Perpetually Curious! › Archives › Planet EarthArticle
🌊 Harbor Wave, Ocean Pulse: The Science of Tsunamis from Seafloor to Shore
Some ocean hazards announce themselves with wind, foam, and a rising sky. A tsunami often does not. Far from shore, it may pass as a long, subtle lift, more like a slow breath than a breaking wave. Even the word “wave” can mislead, because a tsunami is not simply the surface…
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌌 Sky in Slow Layers: Understanding Earth’s Atmospheric Structure
From section: Did You Know🌊 Earth’s atmosphere experiences global-scale tides as well as smaller gravity waves. These are vast waves moving through the air, not movements of ocean water. …
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌊 How Nor’easters Form: When the Coast Becomes a Storm Engine
From section: 🌡️ Where cold land air meets a milder oceanCold air, Atlantic moisture, and support from winds aloft together make this coastline favorable for nor’easters. Other ocean basins also host powerful extratropical storms. Here, the northeast wind gives the coastal storm its familiar name. If the developing low deepens rapidly, another name may enter the forecast.
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌏 When the Pacific Breathes Warm: El Niño and the Changing Rhythms of Rain
From section: 📡 How scientists monitor El NiñoThat subsurface view is essential because the ocean can begin reorganizing before widespread warming becomes visible at the surface. Westerly wind anomalies can generate downwelling equatorial Kelvin waves, pulses of elevated sea level and upper-ocean warmth that travel eastward along the equator. …
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌍🌑 Where Two Soils Part Ways: Earth, Moon, and the Stories Written in Dust
From section: ☄️ Asteroids, Micrometeorites, and the Quiet Work of Space WeatheringOn the Moon, every meteoroid, from tiny grains to larger bodies, has the potential to reach the surface. Micrometeorites strike at high velocities and create microcraters. …
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌊 Where the Waves Leave Their Footprints: Why Beaches Carry Sand
From section: 🏖️ The Character of Beach SandPink sands often include tiny fragments of foraminifera, microscopic single‑celled marine organisms whose shell‑like tests may be pink or reddish.
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌍 Why Mud Is Brown or Black: Where Earth Turns to Quiet Ink
From section: 🌍 When soil becomes waterlogged, it turns into mud… In a field after rain, in a rice paddy, or along a tidal flat, the pores between grains fill with water and air is displaced. The same mixture of minerals and organic fragments that formed the original soil remains present, but the balance between air and water has shifted.
- The Perpetually Curious! › Canonical › Planet EarthArticle
🌧️ When Clouds Let Go: Why It Rains and How Raindrops Are Born
From section: ☁️ From invisible vapor to visible cloudsCondensation usually begins on tiny airborne particles called cloud condensation nuclei. Sea salt, dust, smoke, and other aerosols can provide surfaces on which water molecules gather. …
