Articles tagged with Oceans
Tropical Depression 16W is experiencing wind shear, with strongest storms located north of the center. The system is moving northwards and is expected to strengthen slightly but maintain tropical depression status.
The largest king penguin colony on Île aux Cochons has plummeted in size by nearly 90%, with researchers attributing the decline to climate change and vegetation encroachment. Satellite images reveal that the colony's population began declining in the late 1990s, coinciding with a major climatic event related to El Niño.
Tropical Storm Jongdari strengthened into a tropical storm on July 24 with more organized bands of thunderstorms and deep convective banding. The storm is forecast to make landfall just south of Tokyo on July 28, moving in a northerly direction.
Typhoon Wukong developed a clearly visible eye in a NASA Terra satellite image on July 25, 2018. The storm's maximum sustained winds were near 65 knots (75 mph) at the time of observation, and forecasters predict it will quickly weaken as it tracks over cooler waters.
Tropical Depression Ampil was located near 37.1 degrees north latitude and 118.2 degrees east longitude on July 2. The storm moved to the north at 17 mph and was forecasted to track back over land in eastern China.
A new device inspired by origami design safely traps soft-bodied sea creatures and releases them unharmed. The Rotary Actuated Dodecahedron (RAD) sampler has been successfully tested in the ocean at depths of 1,600-2,300 feet, capturing squid and jellyfish without causing harm.
Tropical Storm Ampil appeared more organized than expected with powerful thunderstorms surrounding the center of circulation. The storm is forecast to intensify and pass near Kadena Air Base, Okinawa Island, Japan on July 20.
Scientists have found that dramatic clearing events in the southeast Atlantic Ocean are triggered by atmospheric waves, disrupting low-lying clouds off the coast of subtropical Africa. This discovery could improve climate models' representation of marine low clouds and their response to a warming climate.
Tropical Cyclone 11W formed on July 15 and maintained strength as it moved west, approaching the Philippines. The storm's center was located between Luzon, Philippines, with powerful thunderstorms wrapping into the low-level center.
De Gruyter integrates Code Ocean's computational reproducibility platform across its journals, enabling authors to share working code and readers to reproduce results. This partnership advances transparency and decision-making in academia and industries.
The Global Precipitation Measurement mission observed two areas of heavy rainfall in the Bahamas from Beryl's remnants on July 11. Heavy rainfall was also detected over the Atlantic Ocean northeast of Crooked Island.
Prapiroon's remnants bring heavy rain, dense fog, and flooding to northern Japan. The Japan Meteorological Agency continues to issue advisories and warnings for the affected areas.
Tropical Depression Two formed in the Central Atlantic Ocean on July 5, 2018, with maximum sustained winds of near 35 mph. The system is forecast to potentially strengthen into a tropical storm and then degenerate into an open trough east of the Lesser Antilles over the weekend.
NASA's Aqua satellite detects Tropical Depression 10W, forecast to intensify into a typhoon. The system is expected to pass over the Marianas late Wednesday night or early Thursday, bringing tropical storm conditions and damaging winds to Guam.
Tropical Cyclone Prapiroon strengthened into a Typhoon after being tracked by NASA-NOAA's Suomi NPP satellite. The storm is currently located near Japan, moving north-northeast at 10.3 mph with maximum sustained winds of 86.3 mph.
Tropical Depression Six-E strengthened into Tropical Storm Emilia after being tracked by NASA's GPM satellite, producing heavy rainfall and powerful storms. The storm is moving west-northwest at 14 mph with maximum sustained winds near 40 mph.
Researchers discovered that biological soil crusts, composed of microorganisms thriving in extreme conditions, may have contributed significantly to establishing the nitrogen cycle essential for life. This new understanding shifts the focus from oceanic microbes and provides a fresh perspective on the early Earth's history.
NASA's Aqua satellite captured an image of newly formed Tropical Depression 09W in the Northwestern Pacific on June 28. The storm has tracked westward at 8mph and is expected to become a tropical storm on June 29.
NASA's Aqua satellite captured a visible image of Tropical Depression Gaemi as it moved through Taiwan and into the Northwestern Pacific Ocean on June 15. The storm appeared elongated after passing over Taiwan, with strongest thunderstorms northeast of its center.
Tropical Storm 07W formed near Kadena Air Base on Okinawa, Japan. It is moving northeast at 23mph with maximum sustained winds of 40mph.
Tropical Cyclone Aletta has degenerated into a remnant low-pressure area, with maximum sustained winds near 35 mph. The post-tropical cyclone is forecast to dissipate by the end of the week, moving toward the west at 7 mph.
Hurricane Bud has formed in the Eastern Pacific Ocean, bringing heavy rain and strong winds to southwestern Mexico. The storm is predicted to produce life-threatening flash floods and mudslides, as well as life-threatening surf and rip current conditions.
Tropical Storm Sagar brought heavy rainfall to Somalia, while Cyclone Mekunu caused widespread flooding in Oman and Yemen. The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission estimated heavy rainfall in various regions, with some areas receiving over 3 times their annual average.
Tropical Cyclone 05W formed near Vietnam on June 2, moving northwest and intensifying into a tropical depression. NASA's satellite imagery shows the storm's center south of Hainan Island, with forecasters predicting landfall in southeastern Hainan by June 5.
Tropical Cyclone 02A formed approximately 655 nautical miles south of Masirah Island, Oman. The storm was observed by NASA's Aqua satellite and is forecast to strengthen as it moves over warm waters before making landfall in Oman.
Tropical Cyclone 01A quickly formed in the northern Indian Ocean and strengthened into a tropical storm. The joint typhoon warning center noted maximum sustained winds near 46 miles per hour on May 16, indicating a potential for heavy rainfall.
A new underwater wireless optical communication system has been developed, allowing for high-quality live video transmission and real-time feedback. The system uses a bidirectional design to adapt to changing underwater environments, ensuring optimized power and transmission rates.
A study by Université de Montréal researchers found that 38% of countries' populations are exposed to methylmercury levels higher than safe for foetal development, with high-risk areas including the Maldives and South Korea. Industrial fishing has increased mercury exposure, especially in coastal and island nations.
Tropical Cyclone Flamboyan has been weakened by strong vertical wind shear, with precipitation pushed southeast of its center. The storm's elongated low-level circulation center is due to the presence of high winds, leading to a gradual decay over the next couple of days.
Researchers estimate oil spill thickness/volume using satellite observations, enabling more accurate monitoring and response efforts. The study provides critical insights for assessing the impact of oil spills on marine and coastal resources.
NASA's Aqua satellite captured images of Tropical Cyclone Flamboyan, revealing northwesterly wind shear pushing the storm southeast. The coldest cloud tops were highest in the atmosphere, indicating strong storms capable of producing heavy rainfall.
Tropical Cyclone Fakir is experiencing severe vertical wind shear, causing it to deteriorate rapidly. The system is expected to dissipate by April 26 due to unfavorable environmental conditions.
Researchers discovered that ocean anoxia, a decrease in dissolved oxygen, played a key role in the Permian-Triassic mass extinction. The team's new technique allowed them to analyze uranium isotopes in carbonates, providing insights into global anoxia and its link to climate change.
The project, led by Pacific Northwest National Lab, aims to develop a new method for producing and harvesting seaweed for biofuels. The team plans to deploy a three-mile-long recycled carbon fiber cable adrift in the open ocean to cultivate macroalgae.
A study on US newspaper articles about ocean health issues found that journalists use more than twice as much optimistic language as 'doom and gloom' language. Nearly half of the examined stories cited potential solutions to problems described in the sample's articles.
Researchers at UEA are using silent marine robots to record underwater sounds, providing valuable information on sea-surface wind speed and monitoring storms. The robots can also eavesdrop on marine life, such as whales and dolphins, and detect human activities like marine traffic and seismic surveys.
Tropical Cyclone Hola was torn apart by wind shear in the South Pacific Ocean. The satellite image showed the center of the storm fully exposed and almost devoid of precipitation except for the southern quadrant.
A new experiment by Iowa State University's Elizabeth Swanner simulated prehistoric oceans and found that much of the iron was reduced again into its dissolved form despite oxygenation by cyanobacteria. This unexpected result challenges traditional assumptions about how iron-rich sedimentary rocks are formed from ancient oceans.
Tropical Cyclone Hola was located southwest of the Pacific island nation of Vanuatu, with powerful thunderstorms wrapping into its center. The storm's maximum sustained winds were near 109mph, moving to the south-southwest at 4.6mph.
Marine animals such as seals, whales, sharks, turtles, seabirds, and others exhibit similar movement patterns globally, despite differences in geography, phylogeny, or travel mode. In coastal areas, tracking data show complex search behavior, while open ocean movements are more predictable.
The study provides a high-resolution view of fishing activity, showing that industrial fishing covers over 55% of the ocean's surface and involves over 70,000 vessels. The dataset reveals cultural patterns and ties fishing to politics and culture rather than natural cycles.
A team of scientists from UCSB and Global Fishing Watch analyzed satellite data to track the movements and activities of over 70,000 commercial fishing vessels worldwide. Their findings reveal that cultural patterns and politics play a significant role in shaping fishing practices, while natural cycles such as fish migrations are less ...
Tropical Cyclone Gita remained a Category 3 hurricane with maximum sustained winds of 115 mph, tracked by NASA-NOAA's Suomi NPP satellite. The storm showed symmetrical circulation and weakening cloud tops, indicating reduced uplift.
New research confirms maritime winds displace seal pups by hundreds of kilometers during their first winter migration. The study found that strong winds can increase pup displacement, but the impact on survival is unclear.
Scientists recorded over 4,500 sounds from tagged blue whales to analyze their calling patterns and behaviors. The study found that male whales were chattier at night, producing more calls than females, which may aid in reproduction.
NASA's Terra satellite captured images of Tropical Depression 02W on Feb. 9, showing a developing low level circulation center with minimal convection. The National Weather Service has issued a Tropical Storm Watch for Guam and Yap State due to hazardous surf and rip currents.
Wind shear significantly impacted Tropical Cyclone Cebile, with the bulk of clouds and thunderstorms being sheared to the southeast of the center. The storm is weakening due to dropping sea surface temperatures and high vertical wind shear, according to NASA's Aqua satellite observations.
Tropical Cyclone Cebile is being severely impacted by strong northwesterly vertical wind shear, causing clouds and thunderstorms to be sheared to the southeast of the center. The Joint Typhoon Warning Center predicts further weakening due to decreasing sea surface temperatures and persistent high wind shear.
Tropical Cyclone Cebile maintained its status as a major hurricane with sustained winds of 126.6 mph and an estimated eye visible through NASA's MODIS instrument. The storm is expected to weaken and turn southeast under adverse conditions.
Tropical Cyclone Cebile was a powerful hurricane in the Southern Indian Ocean when NASA-NOAA's Suomi NPP satellite captured an image of its well-rounded circulation center. The storm had maximum sustained winds of 132 mph, centered near 16.1 degrees south latitude and 76.1 degrees east longitude.
A new study by Cornell University reveals that oceanic plastic trash can convey disease to coral reefs, leading to devastating consequences. The research found that the presence of plastic debris on reefs increases the likelihood of disease from 4 to 89 percent.
Researchers estimate Eocene sea surface temperatures to be 30-36 °C, significantly warmer than present. The study provides insight into possible future climate change due to higher atmospheric CO2 levels during the Eocene epoch.
Financial aid to fisheries in developing countries has declined significantly, impacting food security and livelihoods. Sustainable fishing practices are crucial for climate change resilience, nutritional value, and employment opportunities.
Tropical Cyclone Berguitta is moving southwest towards Mauritius with sustained winds of 85 knots. The storm's strength is expected to be maintained over the next day and a half due to warm sea surface temperatures.
A study of ocean flotsam dispersion reveals that floating objects form submesoscale clusters before spreading apart. The findings could help estimate the impacts of ocean flotsam and aid the recovery of lost objects.
Tropical Storm Irving is experiencing severe wind shear, causing clouds to gather on one side and exposing the storm's center. The Moderate Resolution Imaging Spectroradiometer instrument on board NASA's Aqua satellite provided a visible image of this phenomenon.
Tropical Cyclone Ava is weakening and moving southward off the coast of Madagascar, according to NASA. The cyclone's maximum sustained winds are near 35 knots (40 mph/62 kph), expected to dissipate later in the day on January 9.
Tropical Storm Tembin was spotted by NASA's Terra satellite on Dec. 20 near the Philippine Sea, with maximum sustained winds of 40 mph and a westward trajectory. The storm is forecasted to move through the southern Philippine islands, potentially strengthening in the South China Sea.
Long-lasting compounds still dominate the outlook for ozone recovery, despite regulations by the Montreal Protocol. Short-lived compounds from human sources are expected to have minimal impact on ozone recovery due to their short lifetimes.
The oldest plesiosaur, Rhaeticosaurus mertensi, was a strong swimmer with modified limbs and a short tail. It had a streamlined neck and powerful muscles to propel itself through the water.