Articles tagged with Ocean Temperature
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A new algorithm for simulating particle interactions in a Fermi sea demonstrates a smooth transition between quasiparticle and bound molecule states. The method may have implications for understanding impurities in various systems, including cold atoms, solid-state systems, and neutron stars.
Hurricane Olaf strengthened to a Category four hurricane on October 20 with maximum sustained winds near 150 mph. The storm is expected to remain major for the next couple of days before curving northeast and away from Hawaii by Friday, October 23.
Typhoon Koppu made landfall in eastern Luzon on Oct. 17, with NASA-NOAA's Suomi NPP satellite capturing powerful thunderstorms and cloud top temperatures as cold as -81F. The RapidScat instrument revealed sustained winds around the eye at 40 meters per second before weakening to a tropical storm over the South China Sea.
A new FAU study documents the effects of temperature and rainfall on hatchling sex ratios in loggerhead turtles. Warmer conditions produce females, while cooler conditions produce males. The study's findings suggest that climate change is shifting the reproduction patterns of sea turtles.
The remnants of Ex-Typhoon Choi-wan continued to generate rainy and windy weather over southeastern Russia as revealed by NASA's infrared satellite image. Cloud top temperatures near -36F/-38.1C were detected in the region, indicating strong uplift and stronger storm behavior.
Researchers tracked gene expression in healthy and sick sea stars, finding strong evidence of an immune response at the genetic level. The study provides new insights into how sea stars fight off the virus, with potential implications for understanding environmental conditions that contribute to disease.
Hurricane Oho intensified into a hurricane on October 6, with extremely cold cloud top temperatures of -63F (-53C), indicating powerful storms capable of generating heavy rainfall. The storm is expected to turn towards the northeast and speed up late in the day.
A new study published in Limnology and Oceanography found that a nutrient-rich, balanced diet is beneficial to corals during stressful thermal events. The researchers discovered that excess nitrogen alone and zooplankton made high-temperature bleaching events worse, while a balanced mix of nutrients afforded coral resilience.
Tropical Depression 21W has formed in the Northwestern Pacific Ocean, with cold cloud top temperatures indicating heavy rainfall potential. The depression is currently moving northwest at 11 knots and is expected to strengthen into a tropical storm by September 24.
Tropical Storm Kilo is weakening due to strong vertical wind shear, which is pushing clouds and storms north and east of its center. The storm is expected to become extra-tropical on September 11 off Hokkaido, Japan.
Scientists analyzed UK fisheries survey logbooks from the 1930s to 1950s, finding that cod diet and populations were affected by environmental conditions. The study contributes to understanding climate change and variability, providing insights into fish stocks and the environment over the past century.
Tropical Storm Fred is being affected by strong upper-level westerly winds, which are pushing the highest thunderstorms southeast of the storm's center. The cyclone consists of a vigorous swirl of low clouds and has maximum sustained winds near 40 mph.
Researchers have found that a 12,000-year-old climate shift in northern latitudes occurred rapidly, while equatorial regions took hundreds of years to respond. This discovery can help scientists understand the relationship between temperature and precipitation in the face of climate change.
Tropical Depression 14E forms in Eastern Pacific Ocean on September 1 with NASA-NOAA's Suomi NPP satellite. The depression features fragmented thunderstorms and a stretched cloud pattern indicating poor organization.
Tropical Storm Jimena strengthens with deep convection and banding around its circulation. The storm is forecast to become a hurricane on August 27, with rapid intensification possible within the next 24 hours.
A new study found that corals pre-conditioned to increased temperature and ocean acidification produced healthier offspring, which can handle future environmental stressors. This rapid trans-generational acclimatization may help corals survive climate change.
NASA's Aqua satellite captured infrared data showing cloud top temperatures as cold as -63F/-53C on July 23, indicating potential heavy rainfall. The tropical depression is moving away from the Philippines in a north-northeasterly direction with maximum sustained winds near 25 knots.
A new study from Florida Tech suggests that well-managed coral reefs in the Pacific Ocean can keep up with sea-level rise through vertical growth, but only if carbon dioxide levels stay below 670 parts-per million. If emissions exceed this threshold, even healthy reefs will struggle to adapt.
Researchers found that Arctic sea ice experienced a significant increase in volume after a cool summer in 2013, contrary to expected long-term decline trends. This suggests the ice pack is more sensitive to summer melting than winter cooling, enabling better predictions of future changes.
A new study suggests high solar activity in the 1950s-80s slowed down ocean circulation between the South Atlantic and North Atlantic, cooling Greenland while the rest of the Northern Hemisphere warmed. Weak solar activity could now fire up the circulation mechanism, leading to faster ice sheet melting and increased sea-level rise.
A study suggests that massive changes in the oceans' future could lead to a fundamentally different type of production regime. Rising CO2 emissions could result in a shift from phytoplankton-driven primary production to heterotrophy, leading to changes in nutrient cycling and carbon sequestration.
Researchers discovered novel enzymes in microorganisms called archaea that break down organic matter into carbon dioxide, with implications for climate change. The study found that an increase in ocean temperature accelerates this process, releasing more carbon dioxide and methane into the atmosphere.
Typhoon Halola has become elongated due to wind shear, with cloud top temperatures as low as -63F/-52C, leading to heavy rainfall. The storm is expected to maintain typhoon intensity and move west-northwestward over the next several days.
Scientists found that past temperatures similar to current global average led to at least 20-foot sea-level rise. The study suggests polar ice sheets are out of equilibrium with the present climate and may respond similarly to current warming trends.
Tropical Storm Ela formed in Eastern Pacific and became Central Pacific's first named storm, battling wind shear to survive. The storm has maximum sustained winds near 40 mph with higher gusts, and is forecast to weaken due to persistent wind shear.
Typhoon Nangka strengthened from a tropical storm to a typhoon under NASA's observation, showcasing powerful thunderstorms and coldest cloud top temperatures near -81 Fahrenheit. The Joint Typhoon Warning Center forecasts the system to intensify beyond Category 5 before weakening.
Typhoon Nangka's infrared data showed cold cloud top temperatures indicating strong thunderstorms and a good circulation. The storm intensified from a tropical storm to a typhoon after NASA's Aqua satellite passed overhead on July 6.
The coldest thunderstorm cloud tops measured were near -63 Fahrenheit, indicating high uplift and potential for heavy rain. Tropical Depression 10W is expected to intensify as it passes just northwest of Luzon, northeastern Philippines.
The National Oceanography Centre is part of a European Union-funded consortium providing a world-class marine monitoring and forecasting service. The NWS service will utilize data from six research organisations to predict the shelf sea environment, benefiting social and economic interests.
A new study reveals that weathering rates over the past 2 million years have remained relatively stable between glacial and interglacial periods. This finding contradicts previous assumptions that weathering rates should slow down during ice ages due to lower temperatures.
Researchers analyzed updated temperature data and found no decrease in warming rate between 20th and 21st centuries. The study suggests the 'hiatus' was an illusion created by earlier data biases.
The Tara Oceans expedition has cataloged over 35,000 planktonic samples from 210 stations worldwide, uncovering a vast reservoir of uncharted genetic diversity in marine plankton communities. Ocean temperatures appear to be the main factor driving plankton community makeup.
Researchers at Florida State University found that climate change is causing fewer but stronger hurricanes due to rising ocean temperatures. The study projects an increase in storm speed by 1.3 meters per second and a decrease in the number of storms by 6.1 over the past 30 years.
The study suggests that highly acidic oceans caused the extinction event, which lasted around 10,000 years. The research provides new insights into the threat posed by modern-day ocean acidification.
Research reveals how tiny creatures' movements affect temperature estimates, allowing scientists to refine past climate studies. By analyzing plankton shells and ocean currents, researchers created a tool to estimate the impact of drift on temperature estimates.
Researchers discovered that the heart of bluefin tuna adjusts its electrical activity and calcium cycling to maintain constant heartbeat despite temperature changes. This unique adaptation allows the fish to survive in cold waters, shedding light on how animals react to rapid environmental shifts.
Nordic scientists emphasize the need for collaborative approach to address complex ocean changes. The region's oceans are highly sensitive to environmental shifts, with increased temperatures, acidification, and retreating sea ice posing significant challenges.
Scientists studied four commercial and recreational fish stocks in Northeast U.S. waters and found that climate change affects their distribution, while fishing pressure has significant impacts on a more immediate time scale. The study shows that different species respond differently to temperature and fishing pressure.
The study found that Finland's temperature rose in two phases: from the 1930s to the late 1960s, and then faster from the 1970s onwards. The annual average temperature has risen by more than 2 degrees Celsius over the past 40 years.
Research by Indiana University geographer Scott M. Robeson and colleagues finds that temperature anomalies are warming at a faster rate than the overall average temperature, particularly in extreme heat and cold events. These trends have significant impacts on water supplies, agricultural productivity, and human health.
Researchers found a significant warming trend in air and water temperatures over 51 years, with impacts on water quality, eutrophication, and aquatic life. Rising temperatures will lead to increased nutrient runoff and shifts in plant and animal distributions in the bay's freshwater rivers and streams.
Scientists observe rising water temperatures on the West Antarctic shelf, accelerating glacial melting and potentially increasing global sea levels. The warming trend is linked to changes in wind systems over the southern hemisphere and may have significant environmental implications for the region.
New research finds Antarctic seawater temperatures are rising, causing accelerated glacial melting and potential sea-level rise. The study also reveals that warmer waters could impact ocean biodiversity.
Climate change has buffered against measures to protect the Baltic Sea, despite efforts to reduce eutrophication. The Boknis Eck time series station data shows that nutrient concentrations have decreased since the 1980s, but oxygen levels remain low due to rising seawater temperatures.
A new study published in the Journal of Experimental Biology found that climate change is affecting the survival abilities of coastal crabs. The researchers found that while the crabs can adapt to a warming climate, they will not have enough energy for other activities beyond basic survival.
A recent study by George Wang and Michael Dillon found that climate change has increased daily and annual temperature cycling globally. This altered temperature variability can lead to increased crop damage from pest insects and changes in plant seasonal behavior.
Tropical Depression Fung-Wong is transitioning from a tropical to an extra-tropical storm, gaining frontal characteristics. The depression has strongest thunderstorms stretched out in a cold front-like appearance, according to NASA's Aqua satellite data.
Researchers discovered that antifreeze protein-bound ice crystals resist melting even when temperatures warm, leading to potential adverse physiological consequences for the fish. The study also found ice superheating in nature, a phenomenon where internal ice crystals fail to melt at their normal melting point.
Researchers discovered that antifreeze proteins found in Antarctic fish also prevent internal ice crystals from melting, leading to potential health issues. The study found that these protein-bound ice crystals resist melting even when temperatures warm, causing superheating.
Tropical Depression 14W made landfall in southeastern China on September 8 after forming in the South China Sea. NASA's Aqua satellite captured infrared data showing a powerful storm with cold cloud top temperatures near -63F/-52C.
Scientists have found that ancient El Niño cycles were as strong and frequent 10,000 years ago as they are today. The new record, based on analysis of 25-foot piles of shells, contradicts a widely held interpretation of past climate, suggesting that current understanding of the El Niño system is incomplete.
Researchers tracked bigeye tuna movements for up to 292 days, revealing a wide geographical range from Georges Bank to the Brazilian shelf. The study provides valuable habitat use data and informs future management approaches for this commercially important species.
A new study found that simpler marine organisms, like bacteria and unicellular algae, can withstand higher temperatures than complex ones, such as animals and plants. The researchers discovered that the complexity of an organism's structure determines its ability to adapt to warmer waters.
Coral reefs support 25% to 35% of ocean fish, providing protein for millions. Ecologist study reveals how corals respond to high water temperatures by expelling heat-sensitive algae, which can have long-term consequences.
Researchers at MIT have discovered a way to harness temperature gradients in fluids to propel objects, which could have widespread significance in the natural world and potential technologies. The effect works by creating unbalanced forces on an object's surface due to changing fluid density.
Researchers have developed a new way to determine sea-level changes and deep-sea temperature variability over the past 5.3 million years. The findings provide crucial new information on how ice ages came about, and could help determine the relationship between carbon dioxide levels, global temperatures, and sea levels.
Tropical Cyclone Ita is strengthening due to increased wind speeds and cold cloud top temperatures detected by NASA's Aqua satellite. The storm's center is consolidating, surrounded by strong thunderstorms, and is expected to move towards Queensland, Australia over the next three days.
Researchers at Aarhus University found a correlation between Atlantic Ocean temperature fluctuations and external forces like the Sun's energy cycle and volcanic eruptions since the Little Ice Age. This challenges previous theories of internal variability in ocean circulation, suggesting a complex interaction between mechanisms.
A new study projects that Antarctica's Ross Sea will lose over half its summer sea ice by 2050 and nearly three-quarters by 2100. This change will significantly impact the region's pristine food web, affecting species such as whales, penguins, and seals.
Research reveals a significant increase in summer sea level rise and decrease in winter sea level drop along the eastern Gulf Coast, leading to a greater seasonal difference. This change threatens coastal ecosystems, increases flood risk from hurricanes, and may disrupt salt balance in sensitive wetlands.