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ScienceDaily: Earth & Climate News |
| Engineers discover method to create upward water fountain in deep water Posted: 18 Jan 2022 03:46 PM PST Engineers have discovered that they can actually move deep water and create upward fountains by shining laser beams on the water's surface. The finding, credited to the Marangoni effect, has potential to impact fluid dynamics in many applications. |
| New models assess bridge support repairs after earthquakes Posted: 18 Jan 2022 11:59 AM PST Civil engineers develop a computational modeling strategy to help plan effective repairs to damaged reinforced concrete columns. |
| Why did ocean productivity decline abruptly 4.6 million years ago? Posted: 18 Jan 2022 09:51 AM PST By drilling deep down into sediments on the ocean floor researchers can travel back in time. A research team now presents new clues as to when and why a period often referred to as the 'biogenic bloom' came to an abrupt end. Changes in the shape of the Earth's orbit around the Sun may have played a part in the dramatic change. |
| Increase in marine heat waves threatens coastal habitats Posted: 18 Jan 2022 09:51 AM PST Heat waves -- like the one that blistered the Pacific Northwest last June -- also occur underwater. A new study paints a worrisome picture of recent and projected trends in marine heat waves within the nation's largest estuary, with dire implications for the marine life and coastal economy of the Chesapeake Bay and other similarly impacted shallow-water ecosystems. |
| A giant panda’s gut bacteria help it remain chubby while on a bamboo diet Posted: 18 Jan 2022 08:13 AM PST The giant panda feeds exclusively on fibrous bamboo, yet they still manage to stay chubby and healthy. Researchers reveal that shifts in the bear's gut microbiota in the season when nutritious bamboo shoots become available helps the herbivorous bear gain more weight and store more fat, which may compensate for the lack of nutrients in seasons when there are only bamboo leaves to chew on. |
| Sunflowers’ invisible colors help them attract bees and adapt to drought Posted: 18 Jan 2022 07:41 AM PST It turns out sunflowers are more than just a pretty face: the ultraviolet colours of their flowers not only attract pollinators, but also help the plant regulate water loss. |
| Rivers speeding up Arctic ice melt at alarming rate Posted: 18 Jan 2022 07:41 AM PST Freshwater flowing into the Arctic Ocean from the continent is thought to exacerbate Arctic amplification, but the extent of its impact isn't fully understood. New research measures how the flow of the Yenisei River -- the largest freshwater river that flows into the Arctic Ocean -- has changed over the last few hundred years, and describes the impact freshwater has had on the Arctic. |
| Nutritional value of huhu grubs assessed Posted: 18 Jan 2022 07:41 AM PST Huhu grubs have long been prized as a traditional food source and their nutritional value has just been analysed. |
| Integrated modeling of climate impacts on electricity demand and cost Posted: 18 Jan 2022 07:41 AM PST Around the world, energy systems are increasingly impacted by the effects of a changing climate. Energy systems, especially the electric-power system, are vulnerable to natural stressors such as wildfires, severe storms, extreme temperatures and long-term disruptions of the hydrological cycle. |
| Saving species through genomics in megadiverse Colombia Posted: 18 Jan 2022 07:41 AM PST Colombia stands to benefit ecologically, economically and socially through membership in the Earth Biogenome Project. |
| Smart soil bugs offer farmers an ecofriendly route to controlling crop diseases Posted: 18 Jan 2022 07:41 AM PST An innovative method of controlling a range of damaging crop diseases using native, beneficial soil bacteria has emerged from a research-industry collaboration. |
| 'Rivers' in the sky likely to drench East Asia under climate change Posted: 18 Jan 2022 07:41 AM PST Extreme rainfall events associated with atmospheric rivers, narrow bands transporting large amounts of moisture in the atmosphere, are becoming more frequent and severe in mountainous parts of East Asia as the climate changes. According to global and regional climate models comparing historical trends with a future scenario of 4 degrees of warming of global-mean surface air, these events are likely to become more frequent and intense in the future, especially in the Japanese Alps region. |
| Posted: 18 Jan 2022 06:41 AM PST Climate change will force 45 per cent of the fish stocks that cross through two or more exclusive economic zones to shift significantly from their historical habitats and migration paths by 2100, a challenge that may lead to international conflict, according to a new study. |
| Earth BioGenome Project begins genome sequencing in earnest Posted: 17 Jan 2022 01:55 PM PST The Earth BioGenome Project is a global effort to map the genomes of all plants, animals, fungi and other microbial life on Earth. The EBP is entering a new phase as it moves from pilot projects to full-scale production sequencing. |
| In the Atlantic Forest, the lowland tapir is at risk of extinction Posted: 17 Jan 2022 05:58 AM PST Lowland tapir populations in the Atlantic Forest in South America are at risk of almost complete disappearance, scientists have estimated. The main long-term threat to their well-being is population isolation, as hunting and highways keep populations away from each other. Urgent measures need to be taken to connect isolated populations and ensure the long-term conservation of tapirs, warn the authors of a new study. |
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