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Categories: Ecology: General, Geoscience: Severe Weather
Published Spring sunny heat waves caused record snow melt in 2021, adding to severe water supply impacts across the Western US
(via sciencedaily.com) Researchers examine the role of spring heatwaves on the melting rates of mountain snowpacks across the West. They found that in April 2021, record-breaking snowmelt rates occurred at 24% of all mountain snowpack monitoring sites in the region, further compounding the impacts of extended drought conditions.
Published Effects of highly pathogenic avian influenza on canids investigated
(via sciencedaily.com) Researchers have revealed the effects of high pathogenicity avian influenza virus infection on an Ezo red fox and a Japanese raccoon dog, linking their infection to a recorded die-off of crows.
Published Cyclone researchers: Warming climate means more and stronger Atlantic tropical storms
(via sciencedaily.com) Tropical cyclone researchers report a warming climate could increase the number of tropical cyclones and their intensity in the North Atlantic, potentially creating more and stronger hurricanes. In a second research paper, researchers examine a possible explanation for the relatively constant number of tropical cyclones around the globe every year.
Published How climate change impacts the Indian Ocean dipole, leading to severe droughts and floods
(via sciencedaily.com) Researchers now have a much better understanding of how climate change can impact and cause sea water temperatures on one side of the Indian Ocean to be so much warmer or cooler than the temperatures on the other -- a phenomenon that can lead to sometimes deadly weather-related events like megadroughts in East Africa and severe flooding in Indonesia.
Published Climate risk insurance can effectively mitigate economic losses
(via sciencedaily.com) Original source Global warming is expected to lead to an accumulation of particularly intense hurricanes in the United States. This may substantially increase the economic losses caused by these storms. Better insurance could effectively mitigate the climate change-induced increase in economic losses. This is shown in a new study examining the effectiveness of climate risk insurance in the US.
Published The adverse health effects of disaster-related trauma
(via sciencedaily.com) A new study has found that individuals from disadvantaged backgrounds are more likely to experience disaster-related home loss, and they are also more likely to develop functional limitations following the disaster.
Published Skiing over Christmas holidays no longer guaranteed -- even with snow guns
(via sciencedaily.com) Original source For many people, holidays in the snow are as much a part of the end of the year as Christmas trees and fireworks. As global warming progresses, however, white slopes are becoming increasingly rare. Researchers have calculated how well one of Switzerland's largest ski resorts will remain snow reliable with technical snow-making by the year 2100, and how much water this snow will consume.
Published Current Antarctic conservation efforts are insufficient to avoid biodiversity declines, study shows
(via sciencedaily.com) Existing conservation efforts are insufficient to protect Antarctic ecosystems, and population declines are likely for 65% of the continent's plants and wildlife by the year 2100, according to a new study.
Published Bird diversity increased in severely burned forests of Southern Appalachian mountains
(via sciencedaily.com) A new study found bird diversity increased in North Carolina mountain forest areas severely burned by wildfire in 2016, reinforcing that while wildfire can pose risks to safety and property, it can be beneficial to wildlife. The study results could help forest managers better predict bird responses to wildfire, and manage forests to benefit birds.
Published New study models the transmission of foreshock waves towards Earth
(via sciencedaily.com) As the supersonic solar wind surges towards Earth, its interaction with our planet's magnetic field creates a shock to deflect its flow, and a foreshock filled with electromagnetic waves. How these waves can propagate to the other side of the shock has long remained a mystery.
Published Palau's Rock Islands harbor heat-resistant corals
(via sciencedaily.com) Original source Ocean warming is driving an increase in the frequency and severity of marine heatwaves, causing untold damage to coral reefs. Tropical corals, which live in symbiosis with tiny single celled algae, are sensitive to high temperatures, and exhibit a stress response called bleaching when the ocean gets too hot. In the last 4 decades, marine heatwaves have caused widespread bleaching, and killed millions of corals. Because of this, a global search is underway for reefs that can withstand the heat stress, survive future warming, and act as sources of heat-tolerant coral larvae to replenish affected areas both naturally and through restoration.
Published Ecology: More than the sum of its parts
(via sciencedaily.com) Original source The number of simultaneously acting global change factors has a negative impact on the diversity of plant communities -- regardless of the nature of the factors.
Published Warming oceans likely to shrink the viable habitat of many marine animals -- but not all
(via sciencedaily.com) A new article adds a new chapter to the story of how some animals may respond to the warming oceans.
Published Researchers investigate development of coastal peatland in Indonesia over thousands of years
(via sciencedaily.com) Tropical peatlands are one of the most efficient carbon sinks. The flipside is that they can become massive emitters of carbon if they are damaged, for instance by land use change, degradation or fire. This can lead to faster climate warming. Researchers now show how peatland in the coastal areas in Sumatra and Borneo in Indonesia developed over thousands of years and how climate and sea level influenced their dynamics throughout.
Published Past eight years: Warmest since modern recordkeeping began
(via sciencedaily.com) Earth's global average surface temperature in 2021 tied with 2018 as the sixth warmest on record, according to independent analyses done by NASA and NOAA. Collectively, the past eight years are the warmest years since modern recordkeeping began in 1880.
Published New insights into sea ice and climate change
(via sciencedaily.com) A 170 m record of marine sediment cores extracted from Adélie Land in Antarctica is yielding new insights into the complicated relationship between sea ice and climate change.
Published New study ties solar variability to the onset of decadal La Nina events
(via sciencedaily.com) A new study shows a correlation between the end of solar cycles and a switch from El Nino to La Nina conditions in the Pacific Ocean, suggesting that solar variability can drive seasonal weather variability on Earth.
Published Antarctic seals reveal worrying threats to disappearing glaciers
(via sciencedaily.com) More Antarctic meltwater is surfacing than was previously known, modifying the climate, preventing sea ice from forming and boosting marine productivity- according to new research. For the first time, researchers have been able to obtain full-depth glacial meltwater observations in winter, using instruments attached to the heads of seals living near the Pine Island Glacier, in the remote Amundsen Sea in the west of Antarctica.
Published Researchers use car collisions with deer to study mysterious animal-population phenomena
(via sciencedaily.com) By parsing data on weather, deer populations and deer-vehicle collisions in Wisconsin, investigators show spatial synchrony could be driving population cycles, rather than the reverse.
Published 2020 tied for warmest year on record, NASA analysis shows
(via sciencedaily.com) Earth's global average surface temperature in 2020 tied with 2016 as the warmest year on record, according to an analysis by NASA.