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ScienceDaily: Earth & Climate News |
| Yellowstone's history of hydrothermal explosions over the past 14,000 years Posted: 09 Jun 2022 12:58 PM PDT While much of public attention on Yellowstone focuses on its potential to produce large supereruptions, the hazards that are much more likely to occur are smaller, violent hydrothermal explosions. Hydrothermal explosions occur when near-boiling water suddenly flashes into steam, releasing large amounts of energy. The energy release fractures the rock downward, often leaving behind a crater. The same sources that can produce these explosions are what give Yellowstone its well-known hot springs, geysers, and fumaroles. |
| How 'viral dark matter' may help mitigate climate change Posted: 09 Jun 2022 12:58 PM PDT A deep dive into the 5,500 marine RNA virus species scientists recently identified has found that several may help drive carbon absorbed from the atmosphere to permanent storage on the ocean floor. |
| As the ocean heats up hungrier predators take control Posted: 09 Jun 2022 12:58 PM PDT A hotter ocean is a hungrier ocean -- at least as far as fish predators are concerned. Scientists have discovered predator impacts in the Atlantic and Pacific peak at higher temperatures. The effects cascade down to transform other life in the ocean, potentially disrupting balances that have existed for millennia. |
| Superworms capable of munching through plastic waste Posted: 09 Jun 2022 12:58 PM PDT Researchers have found a species of worm with an appetite for polystyrene could be the key to plastic recycling on a mass scale. |
| 'Fantastic giant tortoise,' believed extinct, confirmed alive in the Galápagos Posted: 09 Jun 2022 10:19 AM PDT A tortoise from a Galápagos species long believed extinct has been found alive. Fernanda, named after her Fernandina Island home, is the first of her species identified in more than a century. Geneticist successfully extracted DNA from a specimen collected from the same island more than a century ago and confirmed that Fernanda and the museum specimen are members of the same species and genetically distinct from all other Galápagos tortoises. |
| Antarctic glaciers losing ice at fastest rate for 5,500 years Posted: 09 Jun 2022 10:18 AM PDT New evidence suggests that two major glaciers in the West Antarctic Ice Sheet (WAIS) are losing ice at the fastest rate for at least 5,500 years. |
| New insights into how cyanobacteria regulate zinc uptake in the open ocean Posted: 09 Jun 2022 10:18 AM PDT An interdisciplinary research team has identified a remarkably efficient regulatory network that controls zinc accumulation in the open ocean cyanobacterium Synechococcus. |
| Posted: 09 Jun 2022 07:01 AM PDT The Colorado River is in an extremely severe drought and has been for the last 22 years. To better understand this drought, researchers looked at the drought history within the Colorado River Basin. Previous studies have gone back 1,200 years, but this paper goes back 2,000 years. The findings, using paleo hydrology, show that there was an even more severe drought in the Colorado River Basin in the second century. |
| New research shows climate change impacts on whale habitat use in the warming Gulf of Maine Posted: 09 Jun 2022 07:00 AM PDT New research finds climate change is having an impact on how large whale species, including the critically endangered North Atlantic right whale, use habitats in the warming Gulf of Maine, showing that right whales' use of Cape Cod Bay has shifted significantly over the last 20 years. |
| Researchers reveal add-on benefits of natural defenses against sea-level rise Posted: 09 Jun 2022 05:22 AM PDT Researchers modeled how investing in environmental conservation and protection can help San Mateo County adapt to rising seas. The findings provide incentives for policymakers to prioritize nature-based approaches when planning for sea-level rise. |
| The Southern Ocean as never seen before Posted: 08 Jun 2022 01:14 PM PDT With the second version of the International Bathymetric Chart of the Southern Ocean (IBCSO v2), an international group of researchers recently presented the best and most detailed seafloor map of the Southern Ocean, which plays a pivotal role in the Earth system. |
| Amazon River freshwater fish show signs of overexploitation Posted: 08 Jun 2022 10:36 AM PDT As the cherished rainforest in South America's Amazon River region continues to shrink, the river itself now presents evidence of other dangers: the overexploitation of freshwater fish. |
| Updating our understanding of Earth's architecture Posted: 08 Jun 2022 08:26 AM PDT New models that show how the continents were assembled are providing fresh insights into the history of the Earth and will help provide a better understanding of natural hazards like earthquakes and volcanoes. |
| Microplastics in the Indian Ocean Posted: 08 Jun 2022 08:22 AM PDT Samples from the tropical Indian Ocean were investigated using a new method for extraction and identification of microplastic particles from water samples. The result: The burden is clearly measurable. |
| Tiny conservation heroes: Wild cherry blossoms could save forest landscapes Posted: 08 Jun 2022 06:14 AM PDT Researchers have found that symbolic species could be used for the conservation and community-based management of traditional forest landscapes. The team studied how different social groups within a local community valued wild cherry trees, a symbolic species important for connecting people with nature in Japan. The results indicated that differences in knowledge and prioritization of values must be addressed within local communities to promote community-based management of such landscapes. |
| Otters learn from each other -- but solve some puzzles alone Posted: 07 Jun 2022 04:44 PM PDT Otters learn skills from each other -- but they also solve some mysteries alone, new research shows. |
| 'Ugly' reef fishes are most in need of conservation support Posted: 07 Jun 2022 11:24 AM PDT What's the relationship between people's perception of beauty and animals' conservation needs? According to a machine-learning study, the reef fishes that people find most beautiful tend to be the lowest priority for conservation support. |
| Exotic tree plantations can disturb local wildlife, researchers find Posted: 07 Jun 2022 09:10 AM PDT Initiatives using non-native tree species can impact tropical insects in neighbouring forests, according to an international study. |
| Liquid platinum at room temperature Posted: 06 Jun 2022 08:15 AM PDT Researchers in Australia have been able to use trace amounts of liquid platinum to create cheap and highly efficient chemical reactions at low temperatures, opening a pathway to dramatic emissions reductions in crucial industries. |
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