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UrduIt may not be very well known, but the Arctic Ocean leaks enormous amounts of the potent greenhouse gas methane. These leaks have been ongoing for thousands of years but could be intensified by a future warmer ocean. The potential…
Tag: OCEANOGRAPHY
Mapping corals from the sky guides reef conservation
Hilo, Hawaii, December 14, 2020 – Coral reefs are one of the most biodiverse ecosystems on the planet supporting an estimated 25 percent of all marine species. These biologically rich ecosystems are threatened by multiple stressors, from warming ocean temperatures…
What caused the ice ages? Tiny ocean fossils offer key evidence
The ocean’s role in past atmospheric carbon dioxide change comes into focus
How commercial vessels could become tsunami early-warning systems
Scientists may have discovered a new ally in efforts to keep coastal communities in the Pacific Northwest safe from future tsunamis, according to a new study: Fleets of commercial shipping vessels. The research taps into an urgent need for communities…
Can sting rays and electric rays help us map the ocean floor?
Researchers at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan have completed a feasibility study indicating that electric rays and sting rays equipped with pingers will be able to map the seabed through natural exploration The ocean is…
First-known fossil iguana burrow found in the Bahamas
The finding fills in a gap of scientific knowledge for a prehistoric behavior of an iconic lizard
Silky sharks find hope in Atlantic, remain targets in Indo-Pacific
p>New research shows that conservation efforts in the Atlantic Ocean may be working for one of the most popular — and endangered — species that ends up in the global shark fin trade. Diego Cardeñosa — an FIU postdoctoral researcher…
Nature conservation requires more dynamic approach to weather impacts of climate change
Current nature conservation practices are not sufficiently flexible and dynamic to weather the impacts of climate change.
Warm oceans helped first human migration from Asia to North America
New research reveals significant changes to the circulation of the North Pacific and its impact on the initial migration of humans from Asia to North America. The new international study led by the School of Earth and Environmental Sciences at…
New report details links between widespread ocean pollution and human health risks
Researchers from Boston College’s Global Observatory on Pollution and Health led international coalition of scientists
BIOS-SCOPE funding renewed
The interdisciplinary, multi-institutional research program will continue its study into the microbial ecology of the Sargasso Sea
How hot is too hot for life deep below the ocean floor?
Publication in Science: International team researches the limits of life
Study proves bits of DNA in seawater correlate to the weight of netted fish
New tool will help census oceans, monitor fish, track shifting marine life; “eDNA makes the ocean a sea of biological information”
Researchers discover life in deep ocean sediments at or above water’s boiling point
3 URI researchers part of international research team
Ancient migration was choice, not chance
Paleolithic people likely colonized the Ryukyu Islands intentionally
Robot fleet dives for climate answers in ‘marine snow’
Australian research voyage to investigate how life in the Southern Ocean captures and stores carbon from the atmosphere
Genomic analysis of mako shark reveals genes relating to tumor suppression in humans
Genetic mapping of the shark’s liver and eye tissue showed overexpression of nine genes known for action in tumor suppression, wound healing, and probable monochrome vision
A rich source of nutrients under the Earth’s ice sheets
Data from Greenland and Antarctica show: under ice trace elements are mobilised at higher rates than previously assumed
Largest aggregation of fishes in abyssal deep sea recorded by UH researchers
The largest aggregation of fishes ever recorded in the abyssal deep sea was discovered by a team of oceanographers from the University of Hawai’i at Mānoa (UH, USA), Monterey Bay Aquarium Research Institute (MBARI, USA) and the National Oceanography Centre…
A long distance connection: polar climate affects trade wind strength in tropics
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice in far-reaching parts of…
Could kelp help relieve ocean acidification?
Ethereal, swaying pillars of brown kelp along California’s coasts grow up through the water column, culminating in a dense surface canopy of thick fronds that provide homes and refuge for numerous marine creatures. There’s speculation that these giant algae may…
How fishermen have adapted to change over the past 35+ years
An analysis published in Fish and Fisheries notes that marine fisheries are increasingly exposed to external drivers of social and ecological change, and recent changes have had different impacts upon the livelihood strategies favored by fishermen based on the size…
Reducing aerosol pollution without cutting carbon dioxide could make the planet hotter
Solving one environmental problem could create another
Study improves ability to predict how whales travel through their ocean habitat
BOSTON, MASS. (November 2020) – Scientists at the New England Aquarium’s Anderson Cabot Center for Ocean Life recently published a study that could help researchers learn where protections are needed the most for bowhead whales. Dr. Dan Pendleton and Dr.…
Study reconstructs ancient storms to help predict changes in tropical cyclone hotspot
Intense tropical cyclones are expected to become more frequent as climate change increases temperatures in the Pacific Ocean. But not every area will experience storms of the same magnitude. New research from the Woods Hole Oceanographic Institution (WHOI) published in…
Love waves from the ocean floor
Stanford study identifies the undersea origins of mysterious love waves, decoding some of Earth’s continuous vibrations
Possible 1,000-kilometer-long river running deep below Greenland’s ice sheet
Computational models suggest that melting water originating in the deep interior of Greenland could flow the entire length of a subglacial valley and exit at Petermann Fjord, along the northern coast of the island. Updating ice sheet models with this open valley could provide additional insight for future climate change predictions.
Possible 1,000-kilometer-long river running deep below Greenland’s ice sheet
Computational models suggest that melting water originating in the deep interior of Greenland could flow the entire length of a subglacial valley and exit at Petermann Fjord, along the northern coast of the island. Updating ice sheet models with this…
Climate change causes landfalling hurricanes to stay stronger for longer
Warming oceans means hurricanes weaken more slowly and inflict more destruction farther inland, new study shows
COVID-delayed Arctic research cruise yields late-season data
Researchers studying the Bering and Chukchi seas for three weeks in October found no ice and a surprisingly active ecosystem as they added another year’s data to a key climate change record. The research vessel Norseman II carried scientists from…
How ancient dust from the sea floor helps to explain climate history
A research team led by geoscientists of the University of Oldenburg, Germany, analyzed sediment cores from the South Pacific
Nuclear war could take a big bite out of the world’s seafood
A new study reveals the damage that a nuclear war might take on wild-caught seafood around the world, from salmon and tuna to the shrimp in shrimp cocktails. The aftermath of such a conflict could put a major strain on…
Rivers melt Arctic ice, warming air and ocean
A new study shows that increased heat from Arctic rivers is melting sea ice in the Arctic Ocean and warming the atmosphere. The study published this week in Science Advances was led by the Japan Agency for Marine-Earth Science and…
Light pollution at night severely disrupts the reproductive cycle of corals
With a global transition towards LED lighting and rapid population growth in coastal regions, researchers say the harmful effects of artificial light must be considered in order to preserve coral reefs already endangered by a variety of additional threats
Eco-engineered tiles enhance marine biodiversity on seawalls in Hong Kong and beyond
A joint-study led by a team of marine ecologists from City University of Hong Kong (CityU) has found that the eco-engineered tiles can increase habitat complexity on seawalls in Hong Kong, thereby effectively enhancing the marine biodiversity. The Hong Kong…
Past is key to predicting future climate, scientists say
Including paleoclimate data in the development of climate models could help climate scientists predict scenarios for future climate and propose strategies for mitigation
Magma ‘conveyor belt’ fuelled world’s longest erupting supervolcanoes
International research led by geologists from Curtin University has found that a volcanic province in the Indian Ocean was the world’s most continuously active — erupting for 30 million years — fuelled by a constantly moving ‘conveyor belt’ of magma.
Sea-level rise will have complex consequences
Rising sea levels will affect coasts and human societies in complex and unpredictable ways, according to a new study that examined 12,000 years in which a large island became a cluster of smaller ones. Researchers reconstructed sea-level rise to produce…
An underwater navigation system powered by sound
New approach could spark an era of battery-free ocean exploration, with applications ranging from marine conservation to aquaculture.
USGS unveils mobile flood tool for the nation
New access anywhere interactive map helps minimize loss of life and property
Genomic data ‘catches corals in the act’ of speciation and adaptation
A new study led by the University of Hawai’i at Mānoa’s Hawai’i Institute of Marine Biology (HIMB) revealed that diversity in Hawaiian corals is likely driven by co-evolution between the coral host, the algal symbiont, and the microbial community. As…
Decaying jellyfish blooms can cause temporary changes to water column food webs
Fast-growing marine microbes can consume jellyfish detritus very quickly, effectively keeping this organic material within the water column food web
New $53 million grant to create world-wide fleet of robotic floats to monitor ocean health
MOSS LANDING, CA – On October 29, 2020 the National Science Foundation (NSF) approved a $53 million grant to a consortium of the country’s top ocean-research institutions to build a global network of chemical and biological sensors that will monitor…
The future is now: long-term research shows ocean acidification ramping up on the Reef
Ocean acidification is no longer a sombre forecast for the Great Barrier Reef but a present-day reality, a new study reveals.
The future is now: long-term research shows ocean acidification ramping up on the Reef
A new study has shown ocean acidification is no longer a sombre forecast for the Great Barrier Reef but a present-day reality
SeaAhead and New England Aquarium announce BlueSwell incubator’s first cohort of startups
Six companies focused on ocean sustainability and global resilience will enter the program in November
Large tides may have driven evolution of fish towards life on land
Big tidal ranges some 400 million years ago may have initiated the evolution of bony fish and land vertebrates.
Beaches can survive sea-level rises as long as they have space to move
An international team of coastal scientists has dismissed suggestions that half the world’s beaches could become extinct over the course of the 21st century. The claim was made by European researchers in a paper published in Nature Climate Change in…
Coastal Greenland reshaped as Greenland ice sheet mass loss accelerates
Ice loss from the Greenland Ice Sheet has accelerated significantly over the past two decades, transforming the shape of the ice sheet edge and therefore coastal Greenland, according to scientific research led by Twila Moon, deputy lead scientist of the…
UM researcher proposes sea-level rise global observing system
The next phase of the research will construct ocean buoys that record altitude