Articles tagged with Tides
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Researchers found that herbivores, such as limpets, play a crucial role in maintaining ecosystem diversity and resilience. By controlling temperatures and promoting biodiversity, these species can mitigate the effects of climate change on intertidal ecosystems.
Citizen scientists will help VIMS researchers map the reach of this year's King Tide using a smartphone app, providing critical data for improving coastal flooding models. The project aims to better understand the risk of recurrent flooding in Hampton Roads and lay the groundwork for a volunteer data-collection network.
IMERG data show over 30 inches of rainfall in the Houston metro area, while Harvey dropped over 40 inches in southeastern Texas. The storm is expected to produce catastrophic flooding and life-threatening conditions in parts of Texas and Louisiana.
Researchers found that naturally occurring climate variations, specifically El Niño and the North Atlantic Oscillation, drive sea level rise hot spots along the U.S. East Coast. These hot spots can amplify coastal flooding severity and are difficult to predict.
A new study by the University of Connecticut found that coastal landowners in Connecticut are skeptical about granting easements to protect marshes from sea level rise, citing concerns over fair pricing and transparency. However, they favor alternative strategies like restrictive covenants and future interest agreements.
A study by Oregon State University scientists reveals a perfect combination of tides and wind responsible for the krill hotspot. Krill aggregations are delivered close to shore by tidal currents and winds, benefiting Adélie penguin breeding colonies. This natural phenomenon supports incredible biodiversity in the Antarctic region.
Tropical Storm Frances has formed in the Beagle Gulf, east of Darwin, with NASA's Aqua satellite capturing clear images of the storm. The storm is expected to intensify as it moves southwest through the Timor Sea and may develop into a Category 2 system early on Friday.
The remnant clouds and showers associated with Ex-Tropical Cyclone Debbie were slowly moving off the coasts of Queensland and New South Wales. Heavy rainfall generated by Debbie continues to trigger warnings for rivers, with several flood warnings still in effect.
Researchers discovered a supermassive black hole 'choking' on stellar debris, producing small fluctuations in the energy emitted by the flare. The study provides insight into how black holes grow and evolve, offering a potential window into hidden black holes.
A giant black hole has been found to have fed off a nearby star for over 9 years, breaking the previous record for the longest tidal disruption event. The X-ray data suggests that the radiation from material surrounding this black hole consistently surpassed the Eddington limit.
Research by Virginia Institute of Marine Science reveals rapid landward migration of barrier-island sands leading to significant loss of adjacent saltmarshes. The study estimates that at least 60 acres of back-barrier saltmarsh are consumed annually, with nearly 10% of Virginia's historical acreage lost since 1870.
Researchers observed 'traffic jams' in the Rutford Ice Stream in Antarctica, where ocean tides speed up or slow down glacial movement. The study used COSMO-SkyMed radar-imaging satellites to gather near-continuous data for nearly nine months.
Two new studies provide a step-by-step account of an underwater volcano eruption, revealing that deformation patterns and tidal activity can be used to estimate future eruptions. Monitoring magma pools underneath the Axial Seamount has been shown to help predict undersea eruptions.
A team of astronomers discovered that a massive flare in a distant galaxy was actually a tidal disruption event caused by a rapidly spinning supermassive black hole. The finding marks the first time a TDE has been used to study black hole spin, providing new insights into stellar death.
Scientists at NASA's Goddard Space Flight Center are developing a new method to track ocean heat using satellite magnetic field observations. The approach relies on the electrical conductivity of seawater and its temperature fluctuations, which can be detected from subtle changes in Earth's magnetic field lines.
Researchers found sedimentary rocks along the Colorado River valley exhibit regular tidal influences, pointing to 330 meters of seafloor uplift over the past 5 million years. The study resolves a 20-year-old debate on depositional environments and tectonic significance in the region.
Research from NASA's Cassini mission data implies Saturn's moons may have formed from the planet's rings rather than being captured by it, with some moons migrating away at an unexpected rate
Researchers discover that Calcium/Calmodlin-dependent kinase II (CaMKII) is the main effector behind the adaptation of the circadian clock to geographical environment in marine midges. This protein, also found in humans, may play a role in human chronotypes and neuropsychiatric disorders.
A study by mathematicians at the University of Strathclyde found that intense Atlantic storms coincide with high spring tides to cause devastating flooding in the Firth of Clyde. The research used a three-dimensional hydrodynamic model to simulate sea-level surges during storms, revealing the highest risk of flooding occurs when storms...
Phobos' unique orbit and weak interior structure make it prone to tidal stresses that cause fracturing and linear grooves. Researchers found anomalous grooves are caused by impacts, with debris recaptured and falling back onto the surface in a linear chain.
A new study reveals that beach salinity is increasing due to evaporation, affecting invertebrates such as mussels and crabs. The findings suggest that temperature rise and relative humidity are the primary drivers of this change, with implications for animal migration and survival.
Researchers predict that the Hudson River's wetlands will increase in area due to upland migration of existing marshes. This is despite concerns about infrastructure and population near the river, as the wetlands provide habitat for fish and wildlife and buffer against storms.
A new study by University of Miami researchers uses satellite data to quantify the impact of man-made canals and levees on Louisiana's coastal wetlands. The study found that these structures limit tidal inundation in 45% of the state's coastline, threatening the ecosystems' ability to adapt to sea-level rise.
Astronomers from UMD and Michigan document X-rays bouncing off inner accretion disk near dormant black hole Swift J1644+57. The study reveals the shape and activity of the accretion disk, opening a door to reliable measurements of black hole spin.
Astronomers have used X-ray reverberation mapping to map the flow of gas near a newly awakened black hole for the first time. The study provides insights into the 'killer' black hole's hidden structures, revealing high-energy X-rays originate from a compact region near the black hole.
Nuisance flooding in the US increased significantly in 2015 due to strong El Niño and rising sea levels. Cities such as Charleston, SC; Port Isabel, TX; and San Francisco, CA experienced record numbers of flooding days, with Wilmington, NC leading the way with an all-time high of 90 days.
A team of scientists has developed an apparatus to measure the behavior of ice under various external forces. The device can be used to study both terrestrial glaciers and icy satellite bodies, providing insights into potential life-supporting oceans beneath the ice.
Researchers developed a new model that suggests strong tidal encounters could be responsible for cracks on icy moons. The model, which uses computer graphics code to simulate the behavior of icy moons, indicates that such encounters could lead to cracks in the surface.
A highly effective antidote to opioid overdoses, naloxone, is becoming more accessible to patients and bystanders. New intranasal spray and autoinjector devices have been developed to address issues with getting the drug to those in need.
A study found that ocean acidification worsens during nighttime hours in tide pools along California's rocky coast. The increasing acidity harms calcifying organisms like mussels and oysters by dissolving their calcium carbonate shells and skeletons.
Researchers used Landsat satellite data to detect shipwrecks in sediment-laden coastal waters, finding plumes extending up to 4 kilometers downstream from shallow wreck sites. This new method could aid in locating uncharted shipwrecks, preserving historical and ecological significance.
Researchers study ice shelf motion and flow to better understand Antarctic ice sheet dynamics. GPS and tilt sensor measurements help modelers project future changes in ice shelf behavior, contributing to sea level rise predictions.
Researchers from Umea University presented findings on mosquito control and Dengue prevention at the EU-funded DengueTools conference in Sri Lanka. Controlling Aedes aegypti mosquitoes is key to preventing dengue fever, yellow fever, and other diseases.
A computer model predicts changes in tidal water level and salinity in Bangladesh's delta region, affecting farmland and the Sundarbans mangrove forests. The model could inform decisions on irrigation and crop management to mitigate potential flooding and ecosystem damage.
Fault slip during the 2005 Sumatra earthquake was stopped by the topography on the downgoing plate, with a 3-km high region strengthening the plate boundary and preventing rupture propagation. This finding is supported by seismic reflection data that mapped the shape of the downgoing plate across a long-lived segment boundary.
Research found that corals from the Kimberley region in north Western Australia are sensitive to heat stress and bleaching, despite their natural tolerance to temperature fluctuations. Massive corals had a better chance of surviving and recovering from bleaching than branching corals.
NASA scientists have found that Phobos' surface features long, shallow grooves, likely early signs of structural failure. The moon's interior may be a rubble pile with a powdery regolith layer, making it prone to stress fractures and eventual destruction.
Researchers observe closest tidal disruption event in nearly a decade, gaining new understanding of black hole effects on nearby stars. The study reveals details about the formation of an accretion disk and the expulsion of gas from the black hole.
Research suggests that tidally locked planets may have protective magnetic fields due to tidal heating, which helps maintain surface conditions conducive to life. This finding challenges the previous assumption that such planets are at mercy of their star.
Researchers using NASA's Lunar Reconnaissance Orbiter images discovered thousands of faults on the lunar surface influenced by Earth's gravity, reshaping them. The moon is shrinking due to cooling interior, but tidal forces from Earth also play a role in forming and realigning these faults.
New NASA research implies that oceans beneath the crusts of tidally stressed moons may be more common and last longer than expected. Fluid tides in a subterranean magma ocean on Io could produce surface heat patterns observed on the moon.
A University of Washington seismologist studied tidal forces on the Cascadia fault and found friction is much lower than previously thought, similar to Teflon. This discovery could improve understanding of when and how faults break, potentially leading to better modeling and prediction of slow-slip quakes and earthquakes.
Astronomers found that tidal forces and atmospheric escape can transform mini-Neptune-like worlds into gas-free, potentially habitable planets. This process could provide a pathway to the formation of habitable worlds around M dwarf stars.
A Harvard University study reveals that global sea level has accelerated far more than initially thought, with a 30% increase in sea level rise from 1900-1990 compared to previous estimates. The researchers used a new approach to estimate sea level change by accounting for the limitations of existing tide gauge records.
A new NOAA study projects that most US coastal areas will face 30 or more days of flooding each year, up to 2 feet above high tides, by 2050. The study identifies 'tipping points' where local sea levels rise more than global projections, causing regions like Louisiana and the Gulf Coast to experience near-daily nuisance flooding.
Westgate Medical Practice introduced a novel appointment system where patients can attend at designated times, reducing wait times and increasing patient satisfaction. The practice saw an improvement in work patterns for nursing staff and a significant increase in patients seeing their preferred doctor.
A new study reveals that Mediterranean sea levels have risen by over 1mm per year since 1989, with the trend being positive in winter and negative in summer. The researchers analyzed data from 1948 to 2009 and compared it with real-time measurements to validate their results.
A new, inexpensive tidal simulator allows researchers to study the effects of added nutrients and salt on salt marsh plant growth in a controlled setting. The device enables the investigation of tidal marsh plant growth with minimal space and cost, opening new doors for wetland research.
Researchers demonstrate that collective movements of small zooplankton create large-scale current patterns affecting ocean circulation. The findings suggest that these organisms could contribute trillion watts of power to the ocean.
Research reveals that brown tide algae can survive and thrive in conditions degraded by human activity, such as low light and high organic nutrients. The study also highlights the unexpected ability of these algae to pump toxic arsenic out of their cells into water.
Researchers found that an outer companion planet's gravitational pull can generate tidal heating, extending the habitable zone and potentially allowing older Earth-sized planets to host life. The study suggests that discovering such planets may lead to finding inner companion worlds, increasing their chance at hosting life.
A new study by researchers at UC Santa Cruz shows that most of the moon's overall shape can be explained by tidal effects acting early in the moon's history. The results provide insights into the moon's early history, its orbital evolution, and its current orientation in the sky.
A study of 290,119,348 tweets found that politically engaged Twitter users during the 2012 presidential campaign conventions and debates relied heavily on retweeting established voices rather than engaging with each other. This resulted in a lack of creative thinking and diversity of voices in political discussion.
A NASA-funded study suggests that cracks on Pluto's moon Charon could reveal a past underground ocean. The analysis finds that a high-eccentricity phase in Charon's orbit may have generated large tides, causing friction and surface fractures. This friction would have also caused the tides to slightly lag behind their orbital positions.
A new study questions the accepted model of galaxy formation, suggesting that dwarf galaxies may have formed from another galaxy through a tidal interaction. The research criticizes three recent papers that found satellite galaxies to support the standard model, instead finding 'serious issues' with their methods.
By analyzing data from two NASA missions, scientists were able to measure the moon's lopsided shape and its deformation under Earth's sway, providing new insights into the moon's interior. The results confirm previous findings and offer a more comprehensive understanding of the lunar body tide.
Scientists at Chalmers University of Technology have developed a new tide gauge that measures sea level using GPS signals. This innovation allows for the monitoring of sea level changes with high precision, enabling researchers to study the effects of climate change on coastal societies.
A new study shows that the odds of storm waters overflowing the Manhattan seawall have increased 20-fold due to a rise in storm tides and sea-level rise. The maximum height of 'once-in-10-years' storms has grown by almost a foot since the mid-19th century, making New York City more prone to frequent and extensive flooding.
Cosmic slurp: Researchers used NSF XSEDE supercomputers to simulate tidal disruptions of stars by supermassive black holes, predicting their observational signatures. This will help advance our understanding of galactic physics and properties of supermassive black holes.
A new study by Virginia Institute of Marine Science demonstrates the ability to predict a hurricane's storm tide at neighborhood and street levels. The team's high-resolution computer model was able to simulate water levels within 6-8 inches of those observed in New York City during Hurricane Sandy's approach and landfall.