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ScienceDaily: Earth & Climate News |
| Quantifying change on barrier islands highlights the value of storms Posted: 28 Sep 2021 07:22 AM PDT Researchers have developed a methodology for quantifying landscape changes on barrier islands and, in doing so, have found the storms that can devastate human infrastructure also create opportunities for coastal wildlife to thrive. |
| What the fate of ancient cities can teach us about surviving climate change Posted: 28 Sep 2021 07:22 AM PDT Why did some ancient Khmer and Mesoamerican cities collapse between 900-1500CE, while their rural surrounds continued to prosper? Intentional adaptation to climate changed conditions may be the answer, suggests a new study. |
| Structural characterization offshore Newfoundland Posted: 28 Sep 2021 07:22 AM PDT Geologists completed research characterizing the complex geological evolution of the Orphan Basin, offshore Newfoundland and Labrador, using an extensive database of newly available, modern 2D and 3D broadband seismic reflection data. These data allow geologists to visualize and understand the subsurface. |
| Win-win: plan supports farmers to save Australia’s species Posted: 28 Sep 2021 07:22 AM PDT A national plan to restore habitat on marginal farming land would fight climate change, prevent species loss and put money in farmers' pockets, according to a scientists. |
| Cosmic impact destroyed a biblical city in Jordan Valley Posted: 28 Sep 2021 07:22 AM PDT In the Middle Bronze Age (about 3600 years ago or roughly 1650 BCE), the city of Tall el-Hammam was ascendant. Located on high ground in the southern Jordan Valley, northeast of the Dead Sea, the settlement in its time had become the largest continuously occupied Bronze Age city in the southern Levant, having hosted early civilization for a few thousand years. At that time, it was 10 times larger than Jerusalem and 5 times larger than Jericho. |
| New research links tree health to how birds respond to climate change Posted: 28 Sep 2021 07:22 AM PDT New research has revealed that shifts in the timing of egg laying by great tits in response to climate change vary markedly between breeding sites within the same woodland and that this variation is linked to the health of nearby oak trees. |
| Geologically vibrant continents produce higher biodiversity Posted: 28 Sep 2021 04:49 AM PDT Using a new mechanistic model of evolution on Earth, researchers can now better explain why the rainforests of Africa are home to fewer species than the tropical forests of South America and Southeast Asia. The key to high species diversity lies in how dynamically the continents have evolved over time. |
| Deep roots of the 'Anthropocene' can be found in tropical forests Posted: 27 Sep 2021 12:05 PM PDT A new special edition of the Proceedings of the National Academy of Sciences showcases multidisciplinary approaches to exploring human impacts on tropical forests and their associated Earth systems. |
| Additional threat to Antarctica’s floating ice shelves Posted: 27 Sep 2021 12:05 PM PDT Ice melange, a slushy mixture of snow and ice chunks, can heal large rifts in Antarctica's ice shelves. Researchers found that a thinning of ice melange may have enabled a Delaware-sized iceberg to break off from the Larsen C ice shelf in 2017. A new article has the scientists' analysis of the dynamics behind large iceberg calving events. |
| Dinosaurs’ ascent driven by volcanoes powering climate change Posted: 27 Sep 2021 12:05 PM PDT The rise of dinosaurs coincided with environmental changes driven by major volcanic eruptions over 230 million years ago, a new study reveals. |
| Crayfish get more interesting at bigger parties Posted: 27 Sep 2021 10:20 AM PDT In many North American lakes, a tiny clawed creature has become a big bully. The invasive rusty crayfish roams lakebeds, snapping up snails, bivalves, and water plants, cutting off food supplies for native crayfish and other animals. And when they're feeling saucy, some mount daring raids on fish eggs, reducing sport-fish populations. |
| Answering a century-old question on the origins of life Posted: 27 Sep 2021 08:05 AM PDT The missing link isn't a not-yet-discovered fossil, after all. It's a tiny, self-replicating globule called a coacervate droplet, developed by researchers to represent the evolution of chemistry into biology. |
| Thinning moderates forest fire behavior even without prescribed burns – for a while Posted: 27 Sep 2021 07:25 AM PDT Mechanical thinning alone can calm the intensity of future wildfires for many years, and prescribed burns lengthen thinning's effectiveness. |
| 25-million-year-old ancient eagle ruled the roost in Australia Posted: 27 Sep 2021 07:25 AM PDT A 25-million-year-old eagle fossil found in South Australia adds to the long evolutionary history of raptors in Australia. |
| Understanding pathogen tolerance in wild animals key to pandemic preparedness Posted: 21 Sep 2021 09:52 AM PDT A new multidisciplinary research framework is needed to explore links between evolved tolerance to pathogens and their spillover into humans, say scientists. |
| To solve Brazil's energy and food crisis: Store more water, researchers say Posted: 21 Sep 2021 09:51 AM PDT Storing greater amounts of water in Brazil's reservoirs could increase precipitation and river flow, alleviating the water and energy supply crisis in Brazil, a new study finds. |
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