Current Atlantic News and Events

Current Atlantic News and Events, Atlantic News Articles.
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Drifter or homebody? Study first to show where whitespotted eagle rays roam
It's made for long-distance travel, yet movement patterns of the whitespotted eagle ray remain a mystery. Between 2016 and 2018, scientists fitted 54 rays with acoustic transmitters and tracked them along both the Gulf of Mexico and Atlantic coasts of Florida, which differ in environmental characteristics. Results of the study reveal striking differences in travel patterns on the Atlantic coast compared to the Gulf coast and findings have significant conservation and adaptive management implications for this protected species. (2021-02-23)

The melting of large icebergs is a key stage in the evolution of ice ages
A new study, in which the Andalusian Earth Sciences Institute (IACT) (CSIC-UGR) participated, has described for the first time a key stage in the beginning of the great glaciations and indicates that it can happen to our planet in the future. The findings were recently published in the scientific journal Nature The study claims to have found a new connection that could explain the beginning of the ice ages on Earth (2021-02-19)

Increasing hurricane intensity around Bermuda linked to rising ocean temperatures
New research shows that hurricane maximum wind speeds in the subtropical Atlantic around Bermuda have more than doubled on average over the last 60 years due to rising ocean temperatures in the region. (2021-02-12)

Mean or nice? These traits could make or break a child's friendships
While it's logical to assume that children who are mean have friendships characterized by growing strife and that children who are nice report little of the same, these assumptions haven't been tested in real-world friendships. A study of elementary-school children is the first to examine the extent to which being 'nice' and being 'mean' shape changes in friend perceptions of their relationship. Results confirm the widespread assumption that one child's behavioral traits drive the other child's friendship experiences. (2021-02-09)

Geological phenomenon widening the Atlantic Ocean
An upsurge of matter from deep beneath the Earth's crust could be pushing the continents of North and South America further apart from Europe and Africa, new research has found. (2021-01-27)

Study reveals a diverse cephalopod fauna in the canary current large marine ecosystem
An extensive review of cephalopod fauna from the Northwest African Atlantic coast was performed by researchers from the University of Vigo (Spain) and the Spanish Institute of Oceanography (IEO). (2021-01-25)

On the trail of active ingredients from marine yeasts
Numerous natural products are awaiting discovery in all kinds of natural habitats. Especially microorganisms such as bacteria or fungi are able to produce diverse natural products with high biomedical application potential in particular as antibiotics and anticancer agents. Researchers from GEOMAR and Kiel University isolated red yeast of the species Rhodotorula mucilaginosa from a deep-sea sediment sample and analyzed for its genome and chemical constituents. The scientists succeeded in demonstrating its anticancer and antibacterial effects. (2021-01-20)

European eels - one gene pool fits all
European eels spawn in the subtropical Sargasso Sea but spend most of their adult life in a range of fresh- and brackish waters, across Europe and Northern Africa. Using whole-genome analysis, a team of scientists led from Uppsala University provides conclusive evidence that all European eels belong to a single panmictic population irrespective of where they spend their adult life, an extraordinary finding for a species living under such variable environmental conditions. The study is published in the PNAS. (2021-01-20)

UCI researchers: Climate change will alter the position of the Earth's tropical rain belt
In a study to be published Jan. 18 in Nature Climate Change, researchers at the University of California, Irvine describe future changes to the tropical rain belt with expected climate change. The changes will cause droughts in large sections of the globe, threatening biodiversity and food security. (2021-01-18)

Intertropical Convergence Zone limits climate predictions in the tropical Atlantic
The strongest climate fluctuation on time scales of a few years is the so-called El Niño phenomenon, which originates in the Pacific. A similar circulation pattern exists in the Atlantic, which scientists under the leadership of GEOMAR Helmholtz Centre for Ocean Research Kiel have studied in more detail. Their results, now published in the international journal Nature Communications, contribute to a better understanding of this climate fluctuation and pose a challenge for prediction models. (2021-01-15)

600-year-old marine sponge holds centuries-old climate records
Scientists used a 600-year-old marine sponge to reconstruct a record of ocean temperature in the North Atlantic revealing past volcanic activity as well as the current global warming trend from the release of carbon dioxide and other heat trapping gasses into Earth's atmosphere and absorbed by the oceans. (2021-01-13)

'hail to the queen' - saving the Caribbean queen conch
Second only to the spiny lobster, the queen conch is a prized delicacy long harvested for food and is revered for its beautiful shell. Conch populations have dwindled so low, creating a dire and urgent situation in ecological and economic terms. To preserve this significant molluscan fishery in the Caribbean, the world's leading expert on queen conch aquaculture has published an 80-page, step-by-step user manual that provides complete illustrations and photos of how to culture and restore the queen conch. (2021-01-07)

The most consumed species of mussels contain microplastics all around the world
''If you eat mussels, you eat microplastics.'' This was already known to a limited extent about mussels from individual ocean regions. A new study by the University of Bayreuth reveals that this claim holds true globally. (2020-12-17)

Fishing alters fish behaviour and features in exploited ecosystems
Not all specimens of the same species are the same: there is a marked variability within the same population and sometimes these morphological differences are translated into a different behaviour. (2020-12-16)

Genome sequencing paves the way for more sustainable herring fishery
An international team of Swedish, Norwegian, Danish and Irish scientists has used whole genome sequencing to characterise 53 herring populations from the Atlantic Ocean and the Baltic Sea. They have developed genetic markers that make it possible to better monitor herring populations and avoid overfishing. The study is published in the journal eLife. (2020-12-15)

Effects of organohalogen pollution are coded in gene expression profiles of Baltic salmon
Researchers of Ehime University and the University of Helsinki measured hepatic organohalogen (OHC) concentrations and gene expression profiles in Atlantic salmon collected from three areas in the Baltic Sea. The results showed that OHCs and gene expression profiles were individually grouped in three areas and the covariation of the two datasets provided by a multivariate method was significantly similar. This suggests that the gene expression profiles in salmon are affected by OHC contamination. (2020-12-15)

Silky sharks find hope in Atlantic, remain targets in Indo-Pacific
Florida International University 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. (2020-12-09)

Reducing aerosol pollution without cutting carbon dioxide could make the planet hotter
Humans must reduce carbon dioxide and aerosol pollution simultaneously to avoid weakening the ocean's ability to keep the planet cool, new UC Riverside research shows. (2020-11-17)

Spiny dogfish eat Atlantic cod: DNA may provide some answers
As dogfish populations recover from overfishing, questions remain about how much Atlantic cod they are eating and its impact on the struggling cod population. Researchers at NOAA's Northeast Fisheries Science Center used innovative genetic techniques to help shed some light on the situation. (2020-11-16)

Cutting emissions makes North Atlantic focus of ocean heat uptake under global warming
Scientists discover an obvious hemispheric asymmetry in Ocean Heat Undertake (OHU) under the low-emission scenario. In the long term, North Atlantic OHU keeps increasing and will become the main region of OHU. (2020-11-09)

Study projects more rainfall in Florida during flooding season
A new study by researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science projects an increase in Florida's late summertime rainfall with rising Atlantic Ocean temperatures. (2020-11-06)

DNA in seawater can reveal fish diversity in the deep ocean
A new study demonstrates the effectiveness of a novel method for using DNA in seawater samples to determine which fish species are present in a given part of the deep sea. A team of scientists from eDNAtec Inc. and colleagues from Fisheries and Oceans Canada and Memorial University present these findings in the open-access journal PLOS ONE on November 4. (2020-11-04)

Seabirds' response to abrupt climate change transformed sub-Antarctic island ecosystems
A 14,000-year paleoecological reconstruction of the sub-Antarctic islands done by an international research team including HKU has found that seabird establishment occurred during a period of regional cooling 5,000 years ago. Their populations, in turn, shifted the Falkland Island ecosystem through the deposit of high concentrations of guano that helped nourish tussac, produce peat and increase the incidence of fire. The findings were recently published in the journal Science Advances. (2020-11-04)

Seesaw of Indo-Pacific summer monsoons triggered by the tropical Atlantic Ocean
The increasing influences from the tropical Atlantic sea surface temperature could trigger the observed multidecadal seesaw of Indo-Pacific summer monsoons in terms of their intensity of interannual variability and monsoon-ENSO biennial relationship variability. (2020-10-29)

Study finds seabird ecosystem shift in Falkland islands
The 14,000-year-old record raises a very troubling question about where seabirds in the South Atlantic and Southern Ocean will go as the climate continues to warm. (2020-10-28)

Seabird response to abrupt climate change 5,000 years ago transformed Falklands ecosystems
A 14,000-year paleoecological reconstruction of the sub-Antarctic islands led by University of Maine researchers has found that seabird establishment occurred during a period of regional cooling 5,000 years ago. Their populations, in turn, shifted the Falkland Islands ecosystems through the deposit of high concentrations of guano that helped nourish tussac, produce peat and increase the incidence of fire. (2020-10-23)

Mortality rate higher for US rural residents
A recent study by Syracuse University sociology professor Shannon Monnat shows that mortality rates are higher for U.S. working-age residents who live in rural areas instead of metro areas, and the gap is getting wider. (2020-10-20)

Tropical cyclones moving faster in recent decades
Tropical cyclones, regionally known as hurricanes or typhoons, have been moving across ocean basins faster since 1982, according to a new study by researchers at the University of Hawaii at Manoa. (2020-10-19)

Long-term data show a recent acceleration in chemical and physical changes in the ocean
New research published in Nature Communications Earth & Environment uses data from two sustained open-ocean hydrographic stations (Hydrostation 'S' and the Bermuda Atlantic Time-series Study) in the North Atlantic Ocean near Bermuda to demonstrate recent changes in ocean physics and chemistry since the 1980s. The study shows decadal variability and recent acceleration of surface warming, salinification, deoxygenation, and changes in carbon dioxide (CO2)-carbonate chemistry that drives ocean acidification. (2020-10-16)

Recent Atlantic ocean warming unprecedented in nearly 3,000 years
Sediments from a lake in the Canadian High Arctic allow climate scientists to extend the record of Atlantic sea-surface temperature from about 100 to 2,900 years. It shows that the warmest interval over this period has been the past 10 years. A team led by Francois Lapointe and Raymond Bradley in the Climate System Research Center at UMass Amherst analyzed ''perfectly preserved'' annual layers of sediment that accumulated in the lake on Ellesmere Island, Nunavut Territory. (2020-10-14)

NASA animation tracks the end of Tropical Storm Delta  
NASA's Terra satellite obtained visible imagery as Tropical Storm Delta made landfall in Louisiana and moved northeastward soaking the U.S. southeast and Mid-Atlantic states. (2020-10-13)

Sea star's ability to clone itself may empower this mystery globetrotter
The identity of wild cloning sea star larvae has been a mystery since they were first documented in the Caribbean. The most commonly collected cloning species was thought to belong to the Oreasteridae, on the basis of similarity with sequences from Oreaster reticulatus and Oreaster clavatus. (2020-10-12)

Arctic weather observations can improve hurricane track forecast accuracy
Comparison of mid-range forecast model accuracy of Atlantic hurricane tracks from 2007 to 2019 revealed that when strong winds associated with upper-level troughs caused hurricanes to move northward, track forecast accuracy was lower. The accuracy of track forecasts in such cases was improved by including data collected over the Arctic Ocean in 2017, by reducing the error in forecasting upper-level troughs. Therefore, additional data collection at high latitudes can improve mid-latitude hurricane track forecasting. (2020-10-08)

Ice discharge in the North Pacific set off series of climate events during last ice age
Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's climate during the last ice age. (2020-10-01)

Predator-prey interaction study reveals more food does not always mean more consumption
Decades of data allow researchers at the NOAA Northeast Fisheries Science Center to look at predator-prey interactions in a different way: among multiple species throughout the water column. They have developed an unusually rich picture of who is eating whom off the Northeastern United States. (2020-09-30)

NASA sees post-tropical storm Teddy generating heavy rain over Eastern Canada
Hurricane Teddy has transitioned to a large post-tropical cyclone over eastern Canada. Using a NASA satellite rainfall product that incorporates data from satellites and observations, NASA estimated Teddy's rainfall rates. In addition to the heavy rainfall, Teddy causing destructive waves and strong winds today, Sept. 23, for portions of Atlantic Canada. (2020-09-23)

NASA's terra satellite confirms Paulette's second post-tropical transition
NASA's Terra satellite passed over post-tropical storm Paulette after it had transitioned for a second time. Using infrared imagery, Terra found no strong storms remained. (2020-09-23)

NASA sees rebirth of Tropical Storm Paulette
Tropical Storm Paulette just reformed in the central North Atlantic Ocean today, Sept. 22. Using a NASA satellite rainfall product that incorporates data from satellites and observations, NASA estimated Paulette's rainfall rates. (2020-09-22)

NASA sees Wilfred degenerate into a trough
Former Tropical Storm Wilfred weakened in the Central Atlantic Ocean and NASA-NOAA's Suomi NPP satellite provided a visible image after the storm became a trough or elongated area of low pressure. (2020-09-21)

NASA analyzes soaking capabilities of hurricane Teddy on Bermuda approach
Using a NASA satellite rainfall product that incorporates data from satellites and observations, NASA estimated Hurricane Teddy's rainfall rates as it approaches Bermuda on Sept. 21. Teddy is a large hurricane and growing. It is also churning up seas all the way to the U.S. and Canadian coastlines. (2020-09-21)

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