Articles tagged with Temperature
The study reveals that coral reefs are suffering from widespread bleaching and deaths, with the highest temperatures recorded in 175 countries. The researchers found that heat transport from the tropics to the polar regions has accelerated, causing sea surface temperature increases and exacerbating global warming feedbacks.
A new study led by ORNL provides valuable insights into vegetation resilience in response to extreme heat events, informing pathways for climate mitigation. The analysis found that impervious surfaces, moisture conditions, and type of land cover affect vegetation resilience, with preservation and enhancement of vegetation contributing ...
Cool-season turfgrasses face challenges under high temperature stress, leading to reduced growth and increased maintenance costs. Research proposes methods to enhance heat tolerance through molecular characterization and breeding strategies.
MIT researchers demonstrate that light can break water molecules away from the surface and float them into the air, causing evaporation in the absence of heat. This phenomenon has significant implications for understanding cloud formation and precipitation, as well as designing new industrial processes such as solar-powered desalination.
A new study reveals that climate change could lead to a significant global GDP loss of up to 10% if the planet warms by +3ºC, highlighting the substantial costs of inaction.
A study published in Nature found that warming tundras release more carbon due to increased ecosystem respiration. The experiment revealed a 30% boost in respiration during the growing season, leading to significant changes in soil moisture and temperature.
Deeper areas of the Great Barrier Reef are insulated from harmful heatwaves due to separation between warm surface water and cooler deeper water. However, this protection will be lost if global warming exceeds 3°C above pre-industrial levels, threatening coral mortality and reef collapse.
A new technique has been developed to cool quantum simulators, allowing for more stable experiments and better insights into quantum effects. By splitting a Bose-Einstein condensate in a specific way, researchers can reduce temperature fluctuations and enhance the performance of quantum simulators.
A Washington State University-led study found that widespread, extreme temperature events can capture greater solar radiation and higher wind speeds to help power grids. This analysis suggests using more renewable energy at these times could reduce strain on grids during increased energy demand.
A study by NTU Singapore researchers found that cool paint coatings can reduce city heat by up to 2 degrees Celsius, improving pedestrian thermal comfort levels. The coatings reflected sunlight and absorbed less heat, resulting in cooler temperatures and reduced indoor air-conditioning energy consumption.
A new study reveals a strong pattern of decline among moths of all sizes and life stages from rural to urban areas in Florida. Larger macromoths fared worse than smaller ones, likely due to increased metabolic stress in high temperatures.
Scientists at the University of Vienna identified a significant error in calculating temperature extremes, leading to an underestimation of heat days. The mistake stems from incorrect application of moving time windows, which can reduce the probability of extreme events.
Preliminary research suggests that short-term heat exposure can lead to increased inflammation and impaired immune function, making individuals more susceptible to infections. Adults older than 60 and those with existing cardiovascular disease are particularly at risk.
Researchers developed mesoporous metal oxides on flexible materials using synergetic effect of heat and plasma at lower temperatures. The devices can withstand bending thousands of times without losing energy storage performance.
A study led by the University of Oklahoma's Christian Lemon investigates the role of TRPM8 receptors in oral temperature perception. The research found that these receptors are crucial for distinguishing warm temperatures from cooling sensations. Without TRPM8, the brain tends to blur the lines between warmth and coolness.
Researchers at UNIST have developed a method to measure nanometer-sized samples within a transmission electron microscope, utilizing nano-thermometers based on cathodoluminescence spectroscopy. The technique offers improved accuracy and spatial resolution compared to conventional methods.
A study by Rebecca Walker found that places with historic racial covenants had lower temperatures, more tree canopy, and less impervious surfaces, indicating reduced exposure to extreme heat. This is particularly pronounced in middle- and lower-income neighborhoods where the covenants have a significant impact.
A recent study found that semi-aquatic anole lizards can experience a 6°C drop in body temperature while diving, with males conserving heat to minimize muscle recovery time. Females prioritize safety over physiological costs, taking longer dives to avoid predators.
Researchers developed imaging technique with 800nm spatial resolution to measure three-dimensional temperature distribution inside industrial zeolite-catalyst particles. The technique revealed utilization of active sites and evolutions of reaction intermediates during MTO reactions.
The Zero-Energy Switchable Radiative Cooler (ZESRC) is a temperature-responsive solution that balances building temperatures sustainably. Field experiments demonstrate its effectiveness across seasons, reducing energy consumption by 14.3% compared to other devices.
A study of 82,000 patients found a strong association between hourly heat exposure and the onset of acute ischemic stroke. The findings suggest that high ambient temperatures may contribute to an increased risk of cerebrovascular events under global warming.
A 20-year study of 1.2 million births reveals strong associations between extreme hot temperatures and preterm birth risks in the third trimester. Greenery may help mitigate this risk, suggesting a need for urban planning strategies to incorporate more green spaces.
A century of reforestation in the eastern US led to significant cooling effects, with forests lowering land surface temperatures by 1-2 degrees Celsius annually. The study found that forest cover can influence ground surface temperatures and near-surface air temperatures, providing relief from heatwaves.
Researchers developed a device that allows amputees to sense and respond to temperature, improving dexterity and feelings of human connection. The 'MiniTouch' device enables active thermosensation during tasks requiring feedback between sensory and motor neurons.
A new universal figure-of-merit for thermophotovoltaic (TPV) devices has been introduced to assess performance and balance power density and efficiency. This metric enables the classification of previously reported experimental results, providing a clear picture of TPV device overall performance.
Researchers found a correlation between body temperature and depression symptom severity in a large international study. Participants with higher depression scores had higher body temperatures, suggesting that cooling the body may be a novel treatment approach for depression.
A new study has mapped the health risks of heatwaves in India, finding that mild heatwaves are the deadliest, while extreme ones have fewer deaths due to their infrequency. The research highlights the need for policymakers to plan for both common and extreme heatwaves to protect public health.
An international study of 12 caves worldwide reveals that climate change could threaten the planet's largest freshwater reserves. The study found that temperature variations in caves reflect changes at the surface, posing a threat to unique and adapted organisms that maintain water quality.
Research by University of Exeter scientists found that females with warmer temperatures have fewer spots, challenging long-held views on the reason for this variation. The study suggests that butterflies adapt their camouflage based on temperature, which could lead to a decrease in spotting over time.
A Eurac Research study conducted in the terraXcube simulator found that humans can perceive temperature differences as small as 0.92 degrees Celsius. This sensitivity suggests an inherent characteristic of human perception, influencing our thoughts and actions. The study's results have implications for energy sustainability in buildings.
New research found significant differences in heat tolerance among mosquito populations, with some more resilient to heat waves than others. Climate factors such as precipitation and humidity play a crucial role in determining their thermal limits, which may impact disease transmission.
A new method for desalinating seawater using hydrate-based desalination technology has been developed, offering a low-energy solution for producing freshwater. The research team calculated optimal temperatures for enhanced efficiency, with maximum water yields reaching up to 67% in certain brine concentrations.
A study published in Environment International found that air conditioning reduced heat-related mortality in Spain by up to 31.5%, while heating systems contributed to a decrease of 50.8% in extreme cold-related fatalities. However, the effect may be attenuated by an ageing population.
Scientists at Ohio State University discovered that tropical ice cores can provide accurate measurements of surface global mean temperature. The study found that the temperature in the middle and upper troposphere cooled by 7.35 degrees Celsius during the Earth's glacial period, shedding light on new theories about climate dynamics.
A Washington State University study reveals that high-elevation snow in the Pacific Northwest is melting earlier due to frequent and intense heatwaves. The researchers found that these heatwaves have doubled in frequency and intensity since the mid-1990s, posing a significant threat to the region's water supply.
A GEOMAR study found that low North Atlantic sea surface temperatures are responsible for heat events on land. The researchers discovered a link between cold ocean temperatures and European heat waves, which contributes to the formation of high pressure systems and clear skies.
The study found that 3D integration can lead to significant heat spreading and crosstalk, reducing heater efficiency by up to -43.3% and increasing thermal crosstalk by up to +44.4%. However, optimizing design variables, such as spacing between µbumps and interconnect linewidth, can minimize the thermal penalty of 3D integration.
Researchers found that high plant diversity acts as a buffer against fluctuations in soil temperature, protecting ecosystems and agricultural productivity. Plant diversity increased shading and organic carbon content, reducing heat conduction and stabilizing soil temperature.
A recent study explores the complex links between surface temperature and outgoing longwave radiation, uncovering hidden mechanisms shaping Earth's climate. The research reveals that vertical convective energy transport acts as an atmospheric mixer, suppressing nonlinearity between OLR and surface temperature.
Forest microclimates are weakened by soil droughts, leading to hotter temperatures in forest understories. This can have devastating effects on small tree seedlings and forest biodiversity as a whole.
Researchers discovered that rising temperatures trigger katabatic winds in Himalayan glaciers, cooling the air and preserving surrounding ecosystems. The team used climate models to demonstrate this phenomenon across the Himalayan range, suggesting that some glaciers may have a chance to 'save' themselves by reacting to global warming.
A new study explores the future limits of survival and livability in extreme heat conditions, finding that current estimates may not accurately represent impacts on human health. The research provides a range of safe temperatures based on factors like humidity, age, activity level, and sun exposure.
A new study reveals that the protective effect of income has largely eroded in affluent neighborhoods over the past 40 years. This means that even if residents have more wealth, they won't be able to enjoy cooler temperatures as climate change worsens.
Local sea snails, such as the frilled dog winkle, are vulnerable to warming oceans due to their inability to adapt or migrate. In contrast, species like oysters and northern anchovies, which are tolerant of heat, may survive in warmer waters.
Researchers found that honeybees' cluster behavior is a survival strategy against cold temperatures, not insulation. The study suggests that beekeepers should reconsider their hives' design and materials to reduce heat loss.
Researchers from Eötvös Loránd University have mapped the space-time geometry of quark matter using femtoscopy techniques. This study sheds light on the strong interaction governing quark matter and atomic nuclei, a fundamental area still in its early stages.
A new study from McGill University and international collaborators investigates the role of temperature in determining animal species' current and potential habitats. The research reveals that temperature is less directly limiting for land animals like reptiles, amphibians, and insects than previously thought.
A Cornell University study found that temperature variability, such as cold snaps and heat waves, reduces nesting success in songbirds. Nestlings are particularly vulnerable to these extremes, which can trigger mass die-offs if eggs and young birds are left exposed.
A new approach to understanding climate change effects on marine ecosystems considers both smooth trends and variable changes, highlighting areas vulnerable to extreme events. Researchers propose a 'more realistic' conceptual model to better predict future consequences.
Researchers at City University of Hong Kong have developed a passive radiative cooling material that achieves high-performance optical properties. The cooling ceramic reduces thermal load, provides stable cooling performance, and can be used in various building applications.
Researchers found that climate models are accurate at simulating global temperature trends but struggle to capture regional variations, particularly over long periods. This disparity has significant implications for planning and implementing climate adaptation measures.
A recent KAUST study used satellite data to investigate the effects of managed vegetation on surface temperature in arid regions. The results showed that vegetation can reduce daytime temperatures by up to 4 degrees Celsius compared to bare soil, providing an extra cooling effect on hotter days.
Researchers studied how 4-year-old tree species respond to extended drought and heat, finding that different species have varying levels of drought tolerance. The study's findings can help shape forest management policy and understand future landscape changes.
Researchers found a cooling of about 1°C in the southern Caribbean during the Little Ice Age, coinciding with droughts and lower rainfall in the Yucatan Peninsula. The study suggests that salt movement from the Caribbean to high northern latitudes plays a crucial role in regulating global climate.
A recent study investigating the thermal response of temperate lakes to atmospheric warming found that local climate, land cover, geomorphology, and water transparency play significant roles in shaping lake responses. Clear, cold, and deep lakes are more responsive to warming, while those with nutrient pollution exhibit lower sensitivity.
The CityU innovation has dramatically enhanced the thermal robustness of perovskite solar cells, retaining over 90% of efficiency even under high temperatures. This breakthrough could significantly broaden the utilisation of these cells and contribute substantially to combating the global climate crisis.
Researchers found that urbanized creeping woodsorrel plants exhibit red leaves, which thrive in urban areas due to high stress tolerance. Genome-wide genetic analyses revealed multiple evolutionary origins of the red-leaf variant from ancestral green-leaved plants.
Researchers analyzed over 150,000 bird nests across the U.S. and found that extreme heat diminishes reproductive success in agricultural landscapes, but forests provide shade to increase nesting success. Curtailing emissions and promoting thermal refuges are crucial for conserving birds.
Researchers from the University of Plymouth discovered coral reef bleaching at depths previously thought to be resilient, highlighting the vulnerability of mesophotic coral ecosystems to thermal stress. The study suggests that climate change is causing a deepening of the thermocline, leading to increased bleaching in the deeper ocean.
Reduced water flows and rising atmospheric temperatures will warm rivers during droughts, posing challenges for aquatic life and ecosystems. Intense solar radiation and lower water flows accelerate warming, but certain management interventions can help offset high thermal extremes.