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Earth Sciences news
Snowball Earth: Researchers discover unique Scottish rocks record when Earth was first encased in ice
More than 700 million years ago, the Earth was plunged into a state that geologists call "snowball Earth", when our planet was entirely encased in ice. This happened when the polar ice caps expanded so far that they joined ...
Earth Sciences
2 hours ago
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Study suggests US droughts, rainy extremes are becoming more severe
Severe drought in the American Southwest and Mexico and more severe wet years in the Northeast are the modern norm in North America, according to new research—and the analysis suggests these seasonal patterns will be more ...
Earth Sciences
3 hours ago
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Ancient volcanic activity reveals climate threshold for ocean deoxygenation
Massive volcanic carbon dioxide (CO2) emissions contributing to an extreme global ocean deoxygenation event over 120 million years ago has modern day implications for understanding a climate warming "tipping point," according ...
Earth Sciences
3 hours ago
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Witness 1.8 billion years of tectonic plates dance across Earth's surface in a new animation
Using information from inside the rocks on Earth's surface, we have reconstructed the plate tectonics of the planet over the last 1.8 billion years.
Earth Sciences
4 hours ago
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The ozone hole above Antarctica will keep opening up each spring for decades to come: Why that still matters
At this time of year, as the sun rises over Antarctica, a "hole" opens up in Earth's ozone layer.
Earth Sciences
4 hours ago
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Just how dangerous is Great Salt Lake dust? New research looks for clues
As Utah's Great Salt Lake shrinks, exposing more of its playa, concerns grow about the dust the dry lakebed emits. But scientists lack the data to fully understand what pollutants are present in these airborne sediments.
Earth Sciences
4 hours ago
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Unlocking oceanic mysteries: Satellites shed light on aerosol layer height
Aerosol layer height (ALH) is a key parameter for assessing aerosol impacts on weather, climate, and atmospheric correction. Accurate ALH retrieval improves the understanding of aerosol-cloud interactions and aids in surface ...
Earth Sciences
21 hours ago
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Tidal wetlands study offers improved predictions of methane gas emissions
An international study led by UAB researcher Ariane Arias-Ortiz, and published in Global Change Biology, has analyzed methane gas fluxes in more than 100 tidal wetlands and marshes in the U.S.
Earth Sciences
Sep 5, 2024
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Global study shows demersal fishing affects ocean floor carbon storage
Scientists are growing increasingly concerned about the impact demersal fishing is having on climate change and the preservation of organic carbon stored in the seabed.
Earth Sciences
Sep 5, 2024
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The Earth's inner core is an enduring mystery: Here's how researchers are starting to solve it
Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth's inner core—a solid ball of iron and nickel that plays a crucial role in shaping the conditions we experience on the surface. In fact, without it ...
Earth Sciences
Sep 5, 2024
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How plant coverage is affecting the Arctic carbon cycle
Researchers at Columbia University's Department of Earth and Environment Science have discovered new implications for the Arctic carbon cycle in the face of climate change. Their paper, published in Communications Biology, ...
Earth Sciences
Sep 4, 2024
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Scientists uncover hidden source of snow melt: Dark brown carbon
Wildfires leave potent climate heaters behind in their wake, particles that enhance the absorption of sunlight and warm the atmosphere. Dropped on snow like a wool poncho, these aerosols darken and decrease the surface reflectance ...
Earth Sciences
Sep 4, 2024
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Study reveals shifting influence of El Niño on central Asia's rainfall
Central Asia, encompassing Kazakhstan, Uzbekistan, Turkmenistan, Kyrgyzstan, and Tajikistan, is one of the world's largest semi-arid to arid regions. Known for its continental climate, the region has a fragile ecosystem that ...
Earth Sciences
Sep 4, 2024
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Scientists present Europe's new greenhouse gas budget
The goals outlined in the Paris Agreement on climate include limiting climate warming to below 2°C and reaching a global peak of greenhouse gas emissions as soon as possible. To meet these targets, scientists need comprehensive ...
Earth Sciences
Sep 4, 2024
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Tropical forests face increased soil carbon loss due to climate change
Tropical forests account for more than 50% of the global terrestrial carbon sink, but climate change threatens to alter the carbon balance of these ecosystems.
Earth Sciences
Sep 3, 2024
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NASA mission gets its first snapshot of polar heat emissions
NASA's newest climate mission has started collecting data on the amount of heat in the form of far-infrared radiation that the Arctic and Antarctic environments emit to space. These measurements by the Polar Radiant Energy ...
Earth Sciences
Sep 3, 2024
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Why do typhoons like to cluster? Researchers identify key weather patterns
This August, Japan and South Korea, particularly Japan, have experienced a dramatic surge in typhoon activity. From August 8 to August 13, within just six days, Typhoons Maria, Son-Tinh, Ampil, and Wukong consecutively formed ...
Earth Sciences
Sep 3, 2024
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Seismic echoes reveal a mysterious 'donut' inside Earth's core
About 2,890 kilometers beneath our feet lies a gigantic ball of liquid metal: our planet's core. Scientists like me use the seismic waves created by earthquakes as a kind of ultrasound to "see" the shape and structure of ...
Earth Sciences
Sep 2, 2024
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Electricity generated by earthquakes might be the secret behind giant gold nuggets
Scientists have long been fascinated by the formation of gold nuggets, often found nestled within quartz veins. New research led by Monash University geologists suggests that the process might be even more electrifying than ...
Earth Sciences
Sep 2, 2024
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Amazon rainforest fires produce secondary ultrafine particles that may affect weather and climate
Particles in wildfire smoke can lower air quality and harm human health. Smoke aerosols can also influence weather and climate by modifying cloud formation and changing how much of the sun's energy is reflected or absorbed ...
Earth Sciences
Sep 2, 2024
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More news
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Scientists uncover mechanism preserving centromere during cell division
Solution to a cosmic mystery—the eccentric orbits of trans-Neptunian objects
Researchers discover an effective and environment-friendly disinfectant
Antibody-like molecule shows promise for broad-spectrum malaria therapy
Researchers create a one-dimensional gas out of light
Mysterious 50-million-year-old fish to get a new genus
