Articles tagged with Ocean Temperature
Researchers have obtained full-depth glacial meltwater observations in winter using instruments attached to tagged seals near the Pine Island Glacier. The study found a highly variable meltwater distribution with two meltwater-rich layers connected by scattered columns, which may change the melting rate of fragile ice shelves.
Researchers found that prolonged algal blooms lead to larger fish catches, particularly for sardines and squid, in the Red Sea. The study used satellite images to analyze phytoplankton bloom timings and their effect on marine food webs.
Gills can't keep up with fish bodies as they grow, leading to oxygen limitation. This constraint affects fish reproduction and fisheries, particularly in warm waters with low oxygen levels.
Researchers found that sea urchins are more affected by low oxygen levels than ocean acidification when exposed to high temperatures. The study revealed that severe heat, hypoxia, and acidity do not have a synergistic effect on the urchins' performance.
A study by Alfred Wegener Institute reveals that warm and dry Aprils in Central Europe increase the risk of summer droughts. The team found that a blocking high-pressure system over the North Sea and parts of Germany is to blame for these conditions.
At a depth of 1,180 meters, temperatures of up to 120 degrees Celsius were reached, but microbial populations collapsed at around 45 degrees. Endospores, dormant cells of certain bacteria, increased rapidly and persisted in hot zones.
Research by KAUST reveals that sand temperatures at Red Sea nesting sites have exceeded the pivotal temperature threshold of 29.2 degrees Celsius, leading to feminization of hatchlings and potential mass mortality.
Researchers at RIKEN develop a material that can change from soft to hard and back again in response to temperature changes, mimicking the properties of sea cucumbers. The material's structure is manipulated using electrostatic repulsion and gold nanoparticles, enabling rapid and reversible shape shifts.
A new study by the University of Miami finds that warmer Atlantic Ocean temperatures are linked to increased rainfall in Florida during late summer. The research highlights human influences on climate change as a key factor in this link, and suggests an increase in late summer rainfall is expected in the future.
A new study reveals that severe marine heatwaves are more likely to occur now than before human-induced global warming began. The study found that the probabilities of high-impact MHWs occurring have significantly increased due to anthropogenic climate change.
Researchers have determined that the Bering Sea ice extent is at its most reduced state in the past 5,500 years. The study, published in Science Advances, analyzed a peat core from St. Matthew Island and found that modern sea ice conditions are unprecedentedly low.
A new study finds that reef-building corals are being driven to extinction by warmer, acidifying oceans, while softer-bodied relatives like sea anemones will adapt and thrive. The findings suggest a silver lining for the diversity of these animals, which may persist and diversify in the face of climate change.
The NASA Terra satellite captured an infrared image of cloud top temperatures in Tropical Storm Hernan, showing its final burst of strength. The storm's powerful thunderstorms had coldest cloud top temperatures as low as minus 80 degrees Fahrenheit near the center.
Hurricane Laura strengthened as a hurricane, with NASA providing infrared imagery showing its structure and rainmaking capabilities. The storm is over 350 miles in diameter, with hurricane-force winds extending outward up to 45 miles from the center.
Researchers from Tohoku University discovered a novel iron-based superelastic alloy capable of withstanding extreme temperatures. The new alloy can operate within a wider temperature range than conventional metal-based SEAs, making it suitable for outer-space exploration and other demanding applications.
Tropical Storm Jangmi formed in the Philippines and strengthened into a tropical storm on August 9. The NASA Aqua satellite measured the storm's strength, finding the most powerful thunderstorms had cloud top temperatures as cold as -70 degrees Fahrenheit.
NASA's Aqua satellite identified strongest storms surrounding Hurricane Douglas' eyewall, with coldest cloud top temperatures as low as -70 degrees Fahrenheit. The storm is expected to move near or over the Hawaiian Islands this weekend, bringing heavy rainfall and strong winds.
Researchers found that coral reefs in the ETP region have adapted to heat stress, with some recovering within 10-15 years after El Niño events. The study suggests that ETP corals' high reproductive rates, tolerant symbiotic algae, and geographical patterns may contribute to their resilience.
A new study corrects systematic errors in ocean temperature data using empirical correction schemes, improving the homogeneity of global databases. The technique significantly reduces biases, especially during the 1940-1970 period, crucial for climate change studies.
Researchers at Florida Atlantic University have created a minimally invasive technique to determine the sex of sea turtle hatchlings using small blood samples. This method is more reliable and efficient than existing methods, providing valuable insights into the impact of climate change on imperiled turtle species.
Research reveals stronger Atlantic currents are key to 'Atlantification', where temperate species like Emiliania huxleyi thrive in Arctic waters. Satellite images show turquoise oceans reflecting the microalgae's shell, a phenomenon observed from space.
A recent study reveals that marine species are shifting their populations towards the poles in response to ocean warming, with significant implications for global biodiversity and coastal ecosystems. The research found a consistent pattern of species abundance increases at poleward edges and declines at equatorward edges.
Climate change is expected to lead to more frequent and deadly heatwaves in China, posing a significant threat to public health. The study found that extreme daytime heat and rainfall events are becoming more common, with night-time temperatures rising significantly.
Tropical Storm 07A is experiencing significant wind shear, causing powerful thunderstorms with cold cloud top temperatures. The storm is expected to weaken into a depression by December 5 and dissipate.
Researchers used computer simulations to investigate wind and water conditions that cause Kemp's ridley sea turtles to become stranded on beaches in Cape Cod. The study found that turtles are more likely to strand when water temperatures drop below 10.5°C and winds blow with high wind stress.
Tropical Storm 07A develops with very high and powerful storms, with cloud top temperatures as cold as minus 80 degrees Fahrenheit. The storm is expected to move northwest and dissipate in a day or so, posing no significant threat to Mumbai, India.
Researchers used a massive NASA dataset to develop a framework explaining the sensitivity of local temperatures to aerosols. The study found that the longwave effect of aerosols is more significant than previously thought, contributing to a smaller terrestrial diurnal temperature range.
Tropical cyclone Hikaa has strong storm activity, with cloud top temperatures reaching -63°C, indicating heavy rain potential. NASA's AIRS instrument analysis provided critical data to forecasters worldwide.
NASA's Terra satellite used infrared light to analyze the strength of storms in Tropical Storm Faxai, finding strongest thunderstorms had cloud top temperatures as cold as minus 70 degrees Fahrenheit. The storm was predicted to make landfall near Tokyo on Sunday, Sept. 8.
Changes to environmental conditions may be causing corals to lose their synchronized mass-spawning strategy, which could drive aging populations to extinction. This desynchronization poses a previously unnoticed threat to coral survival, with implications for global reef health.
New research finds that unusual ocean temperatures in the tropical Pacific and Atlantic can increase April tornado occurrences over the Great Plains. Climate researchers discovered a link between ocean temperatures and atmospheric conditions that enhance thunderstorms and tornado-favorable environments.
NASA's Aqua satellite analyzed Tropical Storm Krosa's cloud top temperatures on Aug. 15, revealing the strongest storms south of the center. The analysis found coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit, indicating strong storms capable of creating heavy rain.
Typhoon Krosa has a large eye with coldest cloud top temperatures as cold as -63 degrees Fahrenheit around the center and in large bands south and east of the storm. NASA's Aqua satellite analysis revealed the eye's size, aiding forecasters in predicting its path and potential weakening over the next five days.
NASA's Aqua satellite detected Tropical Storm Francisco in the Korea Strait, with cloud top temperatures indicating strong storms capable of heavy rain. The storm is located about 33 nautical miles north-northeast of Busan, South Korea, and is expected to move north and then northeast through the Sea of Japan.
A study finds that global warming is increasing unexpected ocean temperatures in large marine ecosystems, threatening their diversity and productivity. Forward-looking strategies are more advantageous for adaptation, suggesting that many LMEs will push to their limits due to extreme ocean temperatures.
Tropical Storm Lekima was formed on August 4 as Tropical Depression 10W, strengthening into a tropical storm on August 5. NASA's Aqua satellite analyzed the storm, finding cloud top temperatures of strongest thunderstorms as cold as or colder than minus 63 degrees Fahrenheit.
Tropical Storm Francisco formed in the Northwestern Pacific Ocean and was observed by NASA's Terra satellite using infrared light. The storm showed coldest cloud top temperatures as low as -80 degrees Fahrenheit, indicating strong thunderstorms with potential for heavy rainfall.
Tropical Storm Wipha formed quickly in the South China Sea, with NASA's Aqua satellite detecting strong thunderstorms and cold cloud top temperatures. The storm is expected to move northwest towards southern China, making landfall near Hanoi, Vietnam.
NASA's Aqua and Terra satellites analyzed Flossie's cloud top temperatures and structure as the storm strengthened. The strongest storms had colder cloud temperatures, indicating potential for heavy rainfall.
NASA's Aqua satellite measures cloud top temperatures of Tropical Storm Flossie, revealing strong storms with cold temperatures of minus 63 degrees Fahrenheit. The storm is forecast to strengthen into a hurricane on Tuesday, with maximum sustained winds increasing to near 50 mph.
A four-year study will investigate how green sea turtles' reproductive behaviors influence the effects of climate change. The research team, led by Lisa Komoroske, will use genetic samples and satellite telemetry to estimate sex ratios and predict population viability under different climate scenarios.
Researchers at the University of New Hampshire found that increasing asphalt-layer thickness by 7-32% can maintain road serviceability and reduce future maintenance costs. The study suggests that proactive measures now can lead to savings of up to 50% compared to later repairs.
Researchers at GEOMAR have directly measured tectonic strain build-up on the North Anatolian fault in the Marmara Sea, posing a significant threat to Istanbul's metropolitan region. The study suggests an earthquake with magnitudes between 7.1 and 7.4 could trigger catastrophic consequences similar to the 1999 Izmit earthquake.
Climate change connected and disconnected Andean sky islands over the past million years, according to a new mathematical model. The páramo habitat, with stunted shrubs and alpine plants adapted to high winds and cold temperatures, exists between the upper forest line and snowline.
Tropical Cyclone Vayu intensified as its cloud top temperatures cooled, reaching -63 degrees Fahrenheit. NASA's Aqua satellite detected a compact core with bands of thunderstorms wrapping around it, indicating strong storms capable of creating heavy rain.
A mass die-off of puffins and Crested auklets was recorded in the Bering Sea due to climate-driven food shifts, with reduced prey resources potentially leading to starvation. The study suggests that future research should investigate seabird resilience in a changing environment.
Researchers from ETH Zurich have modeled the spatial and temporal distribution of over 530 species of phytoplankton using 700,000 water samples. The study reveals that tropical waters hold the richest diversity of species at all times of the year, while mid-latitudes exhibit lower biodiversity due to strong currents and turbulence.
NASA analyzed Tropical Cyclone Lili using infrared data from the Aqua satellite, revealing strongest thunderstorms north of the center with cloud top temperatures as cold as minus 50 degrees Fahrenheit. Dry air entrainment is expected to continue sapping the storm's ability to generate thunderstorms, leading to its dissipation in a day.
Researchers found that heat-tolerant coral species retain heat tolerance in nurseries, resulting in reduced bleaching and maintained genetic diversity. Selecting these colonies could aid the development of climate-resilient corals for reef restoration.
NASA's Aqua and Terra satellites tracked Tropical Cyclone Fani as it strengthened and moved north through the Northern Indian Ocean. The storm showed signs of strong thunderstorms with cloud top temperatures as cold as -63 degrees Fahrenheit, indicating heavy rain potential.
Researchers found that warmer water temperatures during early development increase the proportion of male southern flounder, with up to 94% in some cases. This could threaten wild populations and commercial fishing industries that rely on larger female flounder.
Researchers created a next-generation space blanket that regulates body temperature using metal 'islands' similar to cephalopod skin, allowing infrared radiation to escape when stretched. The material is ultra-lightweight, durable, and has potential applications in clothing and building insulation.
A comprehensive survey of Pacific coral reefs has shown that green sea turtle populations are increasing, driven by warmer ocean temperatures and productivity. The study, published in PLOS ONE, provides critical insights into the density and drivers of sea turtle populations across the tropical Pacific.
Research suggests early melting of winter snowfall is driving the Arctic's earlier spring season, with leaves and flowers emerging up to 20 days sooner than two decades ago. Warmer temperatures and sea ice loss also contribute to this trend.
Global climate models can adequately simulate temperature variability at timescales of years to multiple millennia. The study suggests that with correct initial and boundary conditions, particularly in the deep ocean, forecasting temperature variations becomes more feasible.
Climate researchers are searching for ice in the Antarctic that's at least 1.5 million years old to gather data on carbon dioxide and methane, and their connections to the climate's development. The BE-OI project has selected Little Dome C as the ideal site, which will be drilled into starting in mid November 2021.
A new study combines physical and biological climate indicators to show that Arctic air temperatures are driving major changes in the region's systems. The research highlights the interconnectedness of various components, including sea ice, permafrost, and ecosystems.
New study reveals extreme scale of sea-ice melting in Arctic, with only 20% of young ice reaching Transpolar Drift. This reduction affects nutrient and sediment transport, potentially impacting ecological processes and biogeochemical cycles.
Tropical Cyclone Trevor has triggered warnings in Queensland, Australia, with NASA's Terra satellite analysis suggesting strong storm conditions. The storm is expected to reach hurricane-force and make landfall near the Queensland/Northern Territories border, prompting forecasts of heavy rainfall.
Researchers analyzed fossil pollen and sedimentary records to study Holocene climate variability's impact on the northeastern US. The findings suggest rapid ecological changes in response to changing climate conditions.