Articles tagged with Oceans
Researchers discovered how plankton cope with turbulent layers in the ocean. Plankton cells change their shape from asymmetric to egg-shaped structures, allowing them to swim downwards and avoid damage. This adaptation provides an evolutionary advantage for the population, as only half of the cells are affected by turbulence.
Tropical Storm Enawo formed in the Southern Indian Ocean, northeast of Madagascar. The NASA-NOAA Suomi NPP satellite captured an image of the storm, showing a concentration of thunderstorms around its center. Enawo is forecast to track along Madagascar's east coast and strengthen into a hurricane in 3-4 days.
Tropical Cyclone 08P formed on Feb 22, strengthening to a tropical storm with winds near 40mph. The cyclone is moving southeast at 38mph, fueled by wind shear despite forming under adverse conditions.
Lubchenco suggests aligning short- and long-term economic incentives to achieve a diverse mix of benefits for the marine and maritime sectors. She notes that highlighting the potential of blue growth, transforming social norms in industry, and taking a cross-sector approach are key steps towards achieving sustainable blue growth.
Tropical Cyclone Dineo formed on February 13 in the Southern Indian Ocean, as captured by NASA's Aqua satellite. The storm is expected to strengthen and make landfall along Mozambique's east coast on February 16.
Tropical Cyclone Carlos appears more organized, with defined center of circulation, after wind shear relaxation. The storm is expected to strengthen due to warm sea surface temperatures and peak at 70 knots before weakening.
Tropical Storm Nock-ten, also known as Nina, is intensifying before making landfall in the Philippines. NASA's Suomi NPP satellite captured strong thunderstorms and heavy rainfall predictions.
Tropical Storm Yvette was battered by vertical wind shear, with the majority of clouds and thunderstorms being pushed north and west of its center. The storm made landfall on Christmas Day south of Broome, Western Australia.
Tropical Storm Nock-ten strengthened from a tropical depression, with maximum sustained winds near 52 mph. The storm is forecast to intensify into a typhoon by Dec 24 and track through the Philippines on Dec 25-26.
Research highlights the role of oceans in climate variability and how year-to-year weather variations are impacted by anthropogenic factors. The study suggests that reduced predictability will hinder seasonal weather forecasts, affecting agriculture and energy sectors.
Tropical Cyclone Vardah showed strongest storms expanding west of its center, influenced by moderate vertical wind shear. The storm is expected to intensify and make landfall as a tropical storm south of Visakhapatnam, India, by December 12.
Tropical Cyclone 05B has formed over the Anadaman and Nicobar Islands, with maximum sustained winds near 40 mph. The storm is expected to move northwest toward India, making landfall by Dec. 12 south of Visakhapatnam.
Researchers have quantified how phosphate fertiliser is released from dust depending on atmospheric acid levels, allowing models to predict its impact on marine ecosystems. The study found that increased plant growth can inadvertently reduce greenhouse gases while increasing fish populations.
Coastal Indigenous communities consume an average of 74 kilograms of seafood per capita, compared to the global average of 19 kilograms. The study emphasizes the importance of considering food sovereignty and cultural identity in fisheries policy and Indigenous human rights.
Tropical Cyclone Nada is being significantly impacted by wind shear, causing clouds to be pushed west of the center. As a result, the Joint Typhoon Warning Center predicts that Nada will not intensify before making landfall in southern India on December 1.
Tropical Storm Otto is strengthening into a hurricane as it approaches Central America, with maximum sustained winds reaching 75 mph. The storm's center will move onshore within the hurricane warning area on Thursday and reach the Pacific coast of southern Nicaragua or northern Costa Rica early Friday.
A new study by the University of Delaware and colleagues reveals that oceans play a crucial role in absorbing excess heat from the atmosphere, redistributing it within the Earth system. This redistribution explains the observed decrease in global mean surface temperature, considered a key indicator of climate change.
A new study challenges the understanding of subtropical rainfall decline in response to increased greenhouse gases. Researchers found that land will warm faster than oceans, leading to less severe impacts on people living in these regions.
Hurricane Seymour is experiencing a fast weakening trend in the Eastern Pacific, with maximum sustained winds dropping to 125 mph and then further decreasing to near 90 mph. The storm's asymmetry indicates it's losing its rotational strength.
Tropical Cyclone Kyant's maximum sustained winds reached 45 knots near its center, with a track taking it just north of Chennai, India. The cyclone is expected to weaken and dissipate by October 29 due to adverse conditions.
Hurricane Seymour rapidly intensified into a Category 3 hurricane, with maximum sustained winds near 115 mph and higher gusts. The storm's small eye is located approximately 565 miles south-southwest of Baja California, Mexico.
Tropical Depression 20 intensified into Hurricane Seymour in the Eastern Pacific Ocean. The storm's organization increased with symmetrical cloud patterns and deep convection near the center.
The discovery of Qilinyu, a fossilized placoderm with a three-part complex jaw, confirms the evolution of this trait within the placoderm system. The findings suggest that the emergence of jaws in vertebrates marked a significant turning point in early vertebrate evolution.
Typhoon Haima, a Category 4 hurricane, is forecast to affect the northern Philippines as it strengthens. The storm is expected to make landfall in mainland China after passing over northern Luzon.
Tropical Depression 24W has formed in the northwestern Pacific Ocean with maximum sustained winds near 30 knots. The storm is forecasted to strengthen into a typhoon and make landfall in Luzon, northern Philippines by October 15.
Typhoon Songda, a compact storm with 20 nautical mile wide cloud-filled eye, continues to move northeast over the open ocean. The storm's maximum sustained winds were near 100 knots (115.1 mph/185.2 kph) on October 11, with hurricane-force winds extending up to 30 miles from the center.
Hurricane Nicole strengthened to a hurricane on Oct. 6, joining forces with Hurricane Matthew in the Atlantic Ocean. The storm set an Atlantic Ocean record for winds exceeding 105 mph, marking the latest occurrence of two storms simultaneously reaching such speeds.
Tropical Storm Nicole is significantly smaller than powerful Hurricane Matthew, which is moving through the Bahamas. The storm's cloud pattern has changed little since its formation, and it holds steady just below hurricane strength as it crawls toward Bermuda.
Tropical Storm Nicole in the western Atlantic Ocean is resisting erosion from wind shear, a phenomenon that can disrupt tropical cyclones. Despite being battered by strong winds, Nicole has maintained its strength and is expected to remain in strong wind shear conditions for several days.
Researchers have cataloged 15,222 genetically distinct viruses and grouped them into 867 clusters, revealing their role in nature. The study could lead to ways to fine-tune viruses to sink carbon into the deep ocean, a potential strategy for managing climate change.
A researcher from Aalto University has created a controlled rogue wave in realistic oceanic conditions, shedding light on the phenomenon of extreme ocean waves. This breakthrough enables the design of safer ships and offshore rigs by simulating realistic rogue waves in laboratory environments.
The ocean sunfish's unusually fast growth rate and large size may be attributed to altered genes that control growth hormone signalling. The fish's skeleton is largely made of cartilage, a trait that could provide insights into its development.
Hurricane Lester has moved into the Central Pacific Ocean, prompting new hurricane watches for Hawaii. The storm is expected to bring powerful thunderstorms and heavy rains to the islands on Saturday.
Hurricane Gaston is maintaining its eye despite a degraded satellite appearance, according to NASA. The storm is expected to weaken further as it approaches the Azores Islands, with maximum sustained winds decreasing to near 85 mph.
NASA satellites captured images of Hurricane Lester as it weakened to a Category 3 hurricane on August 30. The storm showed signs of weakening due to decreased deep convection within its central dense overcast. Forecasters predict continued westward movement before the storm turns northwest.
Hurricane Lester is the fourth major hurricane of the 2016 eastern North Pacific hurricane season. It has strengthened into a Category 3 hurricane with maximum sustained winds near 115 mph and is expected to move westward for the next couple of days.
Tropical Storm Madeline in the Central Pacific Ocean has strengthened into a hurricane, according to NASA-NOAA's Suomi NPP satellite imagery. The storm is showing signs of organization, with a well-formed eyewall and little vertical wind shear deformation.
Hurricane Gaston is a Category 3 hurricane with maximum sustained winds near 115 mph, located about 575 miles east of Bermuda. The storm is expected to move over decreasing sea surface temperatures and into increasing vertical wind shear, causing a gradual weakening.
NASA's Aqua satellite analyzed Tropical Depression 13E with its Atmospheric Infrared Sounder instrument, indicating strengthening thunderstorms and cold cloud tops. The depression is expected to continue strengthening over the next couple of days, potentially becoming a hurricane.
Tropical Storm Gaston intensified in the Atlantic Ocean with rainfall rates reaching up to 141 mm per hour. The GPM satellite provided detailed measurements of precipitation, cloud heights, and storm tops.
Tropical Storm Gaston formed in the northeastern Atlantic Ocean after a low-pressure area organized into a depression on August 22. By August 23, the system strengthened into a tropical storm with maximum sustained winds of near 50 mph and higher gusts.
A new tropical depression has formed north of Guam, prompting a tropical storm warning for nearby islands. The depression is expected to track northward, bringing strong winds and heavy rainfall to the area.
Tropical Storm Lionrock is consolidating and strengthening under NASA's Terra satellite imagery. The storm has tracked south-southwestward at 5.7 mph, with maximum sustained winds near 63 mph.
Tropical Storm Fiona weakened significantly as NASA-NOAA's Suomi NPP satellite captured its image on Aug. 22. The storm's clouds were pushed east by strong westerly shear, leading to a decrease in organization and thunderstorm activity.
Tropical Depression 10W has formed near Guam with strong thunderstorms and cold top temperatures, generating potential for heavy rainfall. The storm is expected to continue moving north-northwestward over the next several days, potentially intensifying into a minimal tropical storm by August 22-23.
Tropical Storm Fiona is strengthening in the northeastern Atlantic Ocean, with maximum sustained winds of near 45 mph. The storm's movement and pressure are expected to continue west-northwest for the next couple of days.
Researchers from 23 institutions confirm formation of the Isthmus of Panama at 2.8 million years ago, based on geological, oceanographic, genetic and ecological data. This timing has significant implications for evolutionary change, global ocean models, and the origin of modern-day animals and plants in the Americas.
NASA's Terra satellite captured an image of extra-tropical cyclone Conson on Aug. 15, 2016, showing clouds covering Japan's Hokkaido and stretching over the Sea of Okhotsk and Russia's Kamchatka Peninsula. The Joint Typhoon Warning Center issued the final warning of Conson on Aug. 14.
Researchers studied coral species at volcanic CO2 vents in Papua New Guinea and found that they can regulate their internal pH, allowing them to grow despite ocean acidification. This discovery provides insights into the potential long-term survival of corals under climate change scenarios.
Researchers found that short-lived physical barriers in the ocean caused by temperature or salinity changes influence phytoplankton communities. This provides insight into maintaining high biodiversity of phytoplankton and its impact on the food web.
Research published in Scientific Reports finds that current atmospheric greenhouse gas concentrations already commit the planet to air temperatures exceeding 1.5°C over many land regions. This expected extra warming could impact city planning and ecosystem services.
NASA's Aqua satellite and RapidScat instrument captured data on Tropical Storm Darby's winds and cloud top temperatures before it weakened to a remnant low-pressure system. The strongest winds were found north of the storm's center, with coldest cloud top temperatures exceeding -63 degrees Fahrenheit.
Hurricane Georgette is a powerful storm with a clear eye visible on NASA-NOAA's Suomi NPP satellite image. The storm strengthened to a category 4 hurricane before weakening and becoming a remnant low in about 3 days.
Hurricane Darby weakened to a tropical storm on July 20 as it approached the Central Pacific Ocean. The storm was about 1,000 miles east of Hilo, Hawaii, with maximum sustained winds decreasing to near 60 mph.
Scientists tested Emiliania huxleyi's ability to adapt to ocean acidification over four years, finding limited growth rate improvement despite genetic identity. The study revealed that evolution amplifies negative effects on calcification, while adapted populations can still form calcium carbonate platelets under current CO2 conditions.
Tropical Cyclone Abela formed on July 16 in the Southern Indian Ocean, with NASA's RapidScat instrument measuring winds of up to 67 mph near its center. The cyclone is forecast to move west-southwest towards Madagascar and weaken due to adverse atmospheric conditions.
The sixth tropical depression of the Eastern Pacific Ocean formed on July 15 and was captured by NOAA's GOES-West satellite. The system has acquired a well-defined circulation and convective banding, classifying it as a tropical cyclone.
Hurricane Darby's eye features powerful thunderstorms and a ragged 25 nautical mile-wide center. The storm is expected to weaken due to cooler sea surface temperatures.
Tropical Storm Celia has weakened to near 45 mph winds as it moves into the central Pacific Ocean. The storm is expected to gradually spin down and become a post-tropical cyclone by tonight due to cooler sea surface temperatures and stable air masses.
The Suomi NPP satellite captured a visible image showing Hurricane Blas' eye filled with high clouds, while infrared imagery revealed a pinhole eye. The storm was weakening rapidly, with maximum sustained winds decreasing to near 105 mph.