Articles tagged with Ocean Temperature
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.
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.
Global warming is causing a rise in sea travel through the Arctic, posing risks to naval vessels due to extreme cold. Professor Tan and his team are researching composite materials to improve their strength and integrity at low temperatures.
Researchers have developed an AI program that can automatically identify six species of foraminifera, microscopic marine organisms prevalent in Earth's oceans for over 100 million years. The AI uses convolutional neural networks to analyze images of the organisms' shells, providing insights into ocean characteristics and climate change.
A new study finds that variations in water temperature over long stretches of coastline lead to the emergence of new marine fish species without geographical isolation. This discovery sheds light on the early stages of species evolution in the ocean and has significant implications for managing threatened or exploited fish stocks.
Chinese scientists have launched a rocketsonde from an unmanned semi-submersible vehicle, enabling accurate meteorological and oceanographic data collection over vast marine environments. The launch aims to improve numerical weather forecasts, typhoon tracking, and coastal zone monitoring.
Research suggests that coral species living alone may survive climate change better than those in reef communities. However, these isolated lifestyles could lead to bleak future ecosystems without reefs.
NASA analyzed cloud top temperatures of Tropical Cyclone Cilida using the Atmospheric Infrared Sounder instrument. The results show strong storms with coldest temperatures as low as minus 63 degrees Fahrenheit, indicating heavy rain capabilities.
Researchers predict a shift in the sex ratio of green turtles, with warmer temperatures leading to more female hatchlings and increased nesting females. Climate change is expected to submerge key nesting areas, threatening the species' survival.
A new study from Stanford University suggests that the deep ocean's stable temperatures enabled the emergence of complex life forms during the Ediacaran period. The research proposes that animals needed a haven from temperature fluctuations, which were less severe in the deep ocean, allowing them to thrive with limited oxygen supplies.
Tropical Cyclone Gaja made landfall along southeastern India's coast as it passed overhead the NASA Aqua satellite, providing temperature information. The AIRS instrument detected coldest cloud top temperatures of minus 63 degrees Fahrenheit near the center, indicating a storm capable of heavy rainfall
Scientists have identified a significant link between spring cold spells and crop yield losses in North China. Continuous negative temperature anomalies during these events can lead to devastating effects on wheat yields, resulting in losses of up to 20%.
Strongest thunderstorms were found west and northwest of the center with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The storm is expected to remain powerful over the north-central and northeastern Atlantic Ocean into the weekend.
Tropical Storm Sergio brings heavy rain to Baja California, Mexico, and southern Arizona, with cloud top temperatures reaching -63 degrees Fahrenheit. The storm is expected to weaken and move over northwestern Mexico before dissipating on Saturday.
Scientists analyze cloud top temperatures to understand storm strength, with NASA's Aqua satellite providing critical data on Category 4 Hurricane Sergio. The storm's intense cloud tops were as cold as -87 degrees Fahrenheit, indicating a high potential for heavy rainfall.
NASA's Aqua satellite gathered infrared light data showing Category 4 hurricane Sergio's intense cloud tops, which are colder than -87°F (-66.1°C), indicating a stronger storm. The National Hurricane Center forecasts little change in strength, but gradual weakening starting Friday.
Tropical Storm Sergio is expected to strengthen into a hurricane within the next 48 hours, according to NASA's Aqua satellite data. The storm's coldest cloud top temperatures have reached -70 degrees Fahrenheit, capable of generating heavy rainfall.
Cloud top temperatures are a crucial factor in determining the strength of hurricanes. NASA's Aqua satellite revealed extremely cold cloud tops around Hurricane Walaka, indicating potential for heavy rainfall. The storm is currently a Category 4 hurricane with maximum sustained winds near 155 mph.
NASA's Aqua satellite gathered water vapor content and temperature information from Tropical Storm Leslie, revealing highest concentrations of water vapor and coldest cloud top temperatures. The analysis indicates the storm has the potential to produce heavy rainfall, with maximum sustained winds near 65 mph.
Tropical Storm Sergio is expected to strengthen into a hurricane by Wednesday, Oct. 3, according to the National Hurricane Center. NASA's Aqua satellite imagery reveals powerful storms with coldest cloud top temperatures near minus 70 degrees Fahrenheit.
A Simon Fraser University study has found that steelhead trout age of migration, size, and numbers are controlled by a combination of temperature, co-occurring salmon, and other factors. In years with large pink salmon returns, steelhead migrated to sea at a younger age, producing more young fish from the river system.
Tropical Depression Isaac has weakened significantly due to strong northwesterly wind shear, which has skewed its rotation and reduced maximum sustained winds to near 35 mph. The system is forecast to gradually weaken over the next few days, potentially degenerating into a tropical wave.
Tropical Storm Norman is rapidly intensifying, with maximum sustained winds reaching near 60 mph, and a high chance of becoming a hurricane by Thursday. The storm's infrared satellite signature indicates significant strengthening over the next couple of days.
NASA's Aqua satellite detected an extra-tropical cyclone, Cimaron, crossing central Japan and weakening. The storm showed cloud tops warming as it lost strength, with temperatures reaching -50°F (-45.5°C) in two areas.
Tropical Storm Soulik is intensifying due to cold cloud top temperatures, potentially threatening Japan. The storm has maximum sustained winds near 63.2 mph and is forecast to move north then turn to the northwest.
Tropical Storm Yagi experienced strong vertical wind shear, which led to cloud top temperatures of -80°F (Celsius) and the potential for heavy rain. The storm is moving northeast at 35 knots (40 mph), expected to briefly intensify before weakening.
Scientists replicate a landmark study to determine changes in coral sea temperature tolerance over time. The results show corals are becoming more tolerant of warmer temperatures, but the rate of adaptation is not keeping pace with rising ocean temperatures.
Tropical Storm Kristy formed in the Eastern Pacific Ocean on August 7th. Infrared data from NASA's Aqua satellite revealed strong storms at the storm's center, indicating its potential intensity.
Scientists warn that rising CO2 levels could cause Western Europe and New Zealand to revert to a hot tropical climate similar to the early Paleogene period. Land temperatures were estimated to be 10-15°C higher than current average temperatures, with annual land temperatures ranging from 23-29°C.
Researchers used reliable methods to recover Arctic Barents-Kara Sea ice extent time series and found significant decline in sea ice starting from the end of 18th century, with a short period of expansion during 1940s-1970s. The industrial revolution may be a dominant factor in this result.
A new study shows a correlation between cumulative carbon emissions and future sea level rise, with even optimistic scenarios predicting several meters of rise over thousands of years. The researchers warn that limiting sea level rise to 3-9 meters is unlikely without drastic action to reach zero emissions.
NASA's Aqua satellite detected scattered thunderstorms with cloud top temperatures near minus 63 degrees Fahrenheit, indicating potential for heavy rainfall. The remnants of former Tropical Storm Beryl are being battered by upper-level winds, limiting further development.
NASA's Aqua satellite detected two areas of strong thunderstorms with cloud top temperatures as cold as minus 70 degrees Fahrenheit, capable of generating heavy rainfall. The remnants of Tropical Storm Beryl are expected to pass over the Virgin Islands and Puerto Rico today, producing locally heavy rainfall and strong gusty winds.
Hurricane Fabio's cloud top temperatures reached as low as minus 63 degrees Fahrenheit, indicating strong storm capabilities. The storm is expected to strengthen into a major hurricane later in the forecast period.
Tropical Depression Bud brought heavy rainfall to western Mexico and the southwestern US, with thunderstorms flaring east of its center. The storm's remnants are expected to produce 1-2 inches of rain with isolated totals of up to 3 inches across the region.
Tropical Storm Bud is generating heavy rainfall in a band extending from the storm's center, with cloud top temperatures as cold as minus 63 degrees Fahrenheit. The National Hurricane Center (NHC) has issued a Tropical Storm Warning for southern Baja California Sur, Mexico.
Tropical Storm Ewiniar made landfall in southeastern China on June 7, according to NASA's Aqua satellite. The storm's extreme cold cloud tops, reaching -63 degrees Fahrenheit, are indicative of its potential for heavy rainfall and severe weather.
The study found that whale sharks congregate at specific locations with unique characteristics, such as steep slopes and upwelling of plankton and krill. These areas provide ideal conditions for the filter-feeding sharks to search for food in deep water and warm shallows.
Tropical Depression 05W shows strong storms with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating potential for heavy rainfall. The depression is expected to reach tropical storm strength late on June 5 and make landfall in southeastern China early on June 7.
A Rutgers University-led study reports that hundreds of ocean fish and invertebrate species will move northward due to climate change, disrupting fisheries in the US and Canada. The study projects that some species will shift as much as 900 miles north, leading to longer trips and higher fuel costs for commercial fishermen.
The study found that the ice stream has lost about 12% of its mass over the past 45,000 years, with losses occurring during both warm and cold periods. This suggests that NEGIS is particularly sensitive to environmental changes, which may exacerbate the impact of anthropogenic climate change.
Scientists have quantified sea temperatures in ancient oceans using fossil data and climate models. The research reveals high-latitude seas were around 20-25°C, similar to recent greenhouse climates.
A new study from Florida State University finds that microplastics are present at every loggerhead turtle nesting site in the Northern Gulf of Mexico, with highest concentrations found in dunes where turtles nest. This could alter temperature profiles and jeopardize incubation environments.
Researchers found that phytoplankton in Arctic coastal waters are resilient to ocean acidification and temperature changes, with some species producing spores that can survive and initiate blooms. This adaptation allows them to thrive in highly variable conditions, providing a vital ecosystem service for Arctic food webs.
Researchers found that changing water temperature and algal blooms affected sea urchin populations, leading to abnormal development of their larvae. The study provides valuable insights into the importance of long-term monitoring for detecting ecological changes and understanding their causes.
Tropical Cyclone Josie is crawling south of Fiji with very cold cloud top temperatures and strong storms. The storm is expected to move southeast away from the Fijian archipelago, strengthening slightly in three days.
Researchers at Cornell University propose a new broad nomenclature to describe the complex connections between viruses, environment, and wasting diseases among sea stars in the Pacific Northwest. Climate change remains a suspect factor in the disease outbreaks.
Tropical Cyclone 13P developed powerful storms with extremely cold cloud top temperatures, indicating strong storms capable of heavy rain. The Joint Typhoon Warning Center predicts the storm will continue strengthening before dissipating in four days.
Research from the University of Missouri suggests that even as temperatures rise due to climate change, the jet stream's variability remains the same, allowing for similar forecast ranges in mid-century as today.
NASA's Terra satellite revealed the area of strongest storms in Tropical Cyclone Sanba when it was located over the island of Palawan. Cloud top temperatures below -80 degrees Fahrenheit indicate strong thunderstorms capable of heavy rain.
Researchers re-created a Titan ocean in a laboratory and studied the freezing temperatures of methane and ethane lakes. They discovered that nitrogen in the liquid causes lakes to freeze at lower temperatures than expected, which could be beneficial for the submarine's operation.
AWI researchers found that temperature variability during glacial periods was not uniform worldwide, with intense variations in the Tropics but less so in other regions. The study used a unique global comparison of data from core samples to improve predictions for future climate change.
Researchers have measured a significant increase in heat loss from the Earth's interior, warming deep water in northeast Greenland fjords and melting glaciers. This heat triggers ice sheet sliding towards the sea, with the potential to improve models of ice sheet dynamics and global water rise predictions.
A study by Florida Atlantic University researchers found that moisture conditions inside sea turtle nests significantly affect the development and sex ratios of turtle embryos. The coolest and wettest substrates produce 100% males, while warmer and drier ones produce fewer males.
Researchers at ETH Zurich investigate extreme winter weather events that led to unprecedented sea ice melting. A unique combination of air currents and high-pressure systems accelerated the melting, reducing sea ice thickness by 30 centimeters in some areas.