Researchers found pink noise energy signatures in historical climate proxy data before and after the Industrial Revolution, suggesting a possible link between pink noise and Earth's climate dynamics. The study's findings could have implications for understanding 'resonances' that couple and amplify warming processes.
A new study has found that warmer water from hundreds of miles away is penetrating deep into the Arctic's interior, leading to a two-fold increase in heat content over the past 30 years. If this 'archived' heat reaches the surface, it could melt the entire sea-ice pack covering most of the region for most of the year.
A new Cornell University study reveals that the San Joaquin Valley in central California is sinking by up to a half-meter annually due to drought and ongoing groundwater extraction. Groundwater depletion has been estimated at 10 miles cubed between 2012 and 2016, posing significant engineering problems and threatening water quality.
A team of scientists has found direct evidence for surface-exposed water ice on the Moon, with patchy distribution and smaller abundance compared to other planetary bodies. The discovery was made using data from the Moon Mineralogy Mapper onboard India's Chandrayaan-1 mission.
The Woods Hole Oceanographic Institution (WHOI) will provide seafloor seismographs and technical support under a new cooperative agreement, starting August 1, 2018. The OBSIC replaces an earlier instrument pool, providing unique insights into seismic activity and ocean basins.
Researchers found that thin liquid and insoluble films on the surface of water enhance horizontal eddy currents by interacting with surface waves. This enhances vertical vortex flows near the surface, which affects surface wave amplitude. The study's results have potential applications in materials science, geophysics, and ocean analysis.
Researchers found that climate plays a significant role in shaping river basins, with dry climates resulting in long and thin basins regardless of size. In contrast, larger humid basins are longer and thinner, while smaller humid basins are wider and shorter.
Researchers at Tohoku University studied the 2011 Tohoku-oki earthquake to understand the causal mechanism. They used seismic tomography and found that both the upper Okhotsk plate and lower Pacific plate contributed to the formation of a hard patch responsible for the earthquake.
Researchers at Binghamton University have developed a method to detect 'butterfly' landmines, which are difficult to locate due to their small size and design. The use of low-cost commercial drones and infrared cameras can rapidly identify these mines and reduce costs and labor required for mine clearing operations.
A team of scientists has discovered that warm ocean water and surface meltwater are destabilizing Antarctic ice shelves, increasing the chances of catastrophic ice loss events. This finding is concerning as ice shelves slow down ice flow into the ocean and control sea level rise.
An international group of Antarctic research scientists presents two plausible future scenarios for the continent over the next 50 years. One scenario highlights reduced sea level rise and intact ecosystems if greenhouse gas emissions are reduced, while the other depicts catastrophic consequences if emissions remain unchecked.
Geologists analyzed 135 Mississippi River water samples, revealing that 75% of sulfate comes from pyrite mineral rusting, a process enhanced by human activities. This finding highlights the magnitude of human impact on natural chemical cycles and potential effects on ocean acidification.
Researchers have found evidence of pre-solar interstellar dust in glassy grains called GEMS, which were formed in a cold environment. The discovery provides insight into the solar system's formation and the processes that created the planets.
Research reveals that intensive groundwater pumping can lead to arsenic contamination in aquifers supplying 1 million people's drinking water and irrigation for crops. Satellite-derived measurements predict arsenic concentrations in groundwater by monitoring ground sinking.
A new Stanford study has re-examined the relationship between seismic data and earthquake prediction, concluding that foreshocks are unlikely to provide accurate warnings of impending earthquakes. Researchers found no evidence supporting the idea that slow slip or cascade models can be used for predictive purposes.
Researchers deciphered seismometer readings from a 2017 Montecito landslide to determine the disaster's scale and location. The findings suggest that seismometers can be used to provide an early warning of incoming debris flows, potentially saving lives.
New research found life in the crater within a few years of impact, contrary to predictions. A thriving ecosystem developed within 30,000 years, influenced primarily by local factors such as water circulation and ecological niches.
New research by Rice University geophysicists reveals that the asthenosphere's convective cycling and pressure-driven flow can move faster than the tectonic plates on top of it. This challenges a long-held theory that the lithosphere moves independently of the asthenosphere.
Researchers have found a complete skull of the iconic toothed bird Ichthyornis dispar, providing new insights into its transitional features. The fossil reveals a modern-looking brain and a remarkably dinosaurian jaw muscle configuration.
Glacier ice mass in the Russian Arctic has nearly doubled over the last decade due to rising temperatures. The research, led by Cornell University, reveals that glaciers in Franz Josef Land are shrinking at a faster rate than previously thought.
Scientists propose a new model where a heavy layer of molten rock sits on top of the Moon's metal core, driving the dynamo and creating a strong magnetic field. This model explains the Moon's early strong magnetic field and its subsequent weakening.
Researchers have found two new subglacial lakes in the Canadian Arctic, which are thought to be similar to potential habitats for microbial life on other moons in our solar system. The discovery could help scientists prepare for future missions, such as NASA's Europa Clipper mission.
Two newly discovered subglacial lakes beneath the Devon Ice Cap in the Canadian Arctic are thought to be the first isolated hypersaline lakes in the world. The lakes, containing water four to five times saltier than seawater, exist at temperatures below freezing and have the potential to support microbial life.
Researchers have identified a new species of ancient reptile, Colobops noviportensis, with unusually developed jaw muscles, revealing insights into prehistoric environments and animal adaptations. The discovery sheds light on the origins of modern vertebrates in a world already inhabited by diverse physical extremes.
Researchers are using seismic data collected through a novel real-time monitoring system to track the spread of carbon dioxide underground. The team aims to refine the picture of what's happening underground as carbon dioxide spreads and increases in concentration in different rock features.
A new study found that the risk of man-made earthquakes due to fracking is greatly reduced if high-pressure fluid injection used to crack underground rocks is 895m away from faults in the Earth's crust. The ReFINE consortium recommends this distance to avoid reactivating geological faults and reducing the risk of induced earthquakes.
Researchers compared the conditions on Europa with those of a terrestrial environment, finding similarities with a deep subterranean mine where bacteria survive without sunlight. They propose that radioactivity in Europa's crust could lead to chemical imbalances and potentially support life.
Researchers analyzed infrasound from Villarrica volcano to predict eruptions, finding a connection between sound waves and lava lake changes. The study suggests that infrasound could aid in forecasting volcanic eruptions hours or days ahead.
Researchers at Yale University have discovered a mineral signature that enables them to predict the presence of rare, soft-tissue preserving fossils. The study found that rocks rich in berthierine are more likely to contain Burgess Shale-type fossils.
Lassina Zerbo received the 2018 AAAS Award for Science Diplomacy for his efforts to strengthen nuclear test-ban verification. He has led international diplomacy efforts, negotiated data-sharing agreements, and promoted universalization of the Comprehensive Nuclear-Test-Ban Treaty.
A new study maps induced earthquake risk in the Permian Basin of West Texas, highlighting areas prone to seismic activity from fluid injection. The detailed stress map provides quantitative data for oil companies to inform more effective drilling operations and reduce the probability of larger earthquakes.
A new climate study found that recent temperatures across North America and Europe are unusually high, exceeding past decade highs by 0.5 degrees Fahrenheit, and have few natural precedents over the last 11,000 years. The research suggests that human activity has significantly contributed to this warming trend.
A study published in Nature Communications finds a correlation between Atlantic Ocean surface currents and rainfall patterns in the Western Hemisphere, both in the past and present. The research suggests that changes in ocean currents can influence global climate and may have far-reaching impacts on future climate change.
A new study by Stanford researchers found that a large and unstable Antarctic glacier may be melting farther inland than previously thought, posing a threat to global sea levels. The Pine Island Glacier's Southwest Tributary could trigger or accelerate ice loss in Thwaites Glacier, potentially speeding the rate of sea-level rise.
Professor James Hough receives the Gold Medal for his seminal contribution to gravitational waves, while Professor Robert White is awarded for a lifetime of distinguished achievement in solid Earth geophysics. The awards recognize significant achievements in astronomy and geophysics across various fields.
New research reveals the East Antarctic Ice Sheet has undergone significant growth and shrinkage over millions of years, with frequent intervals of open water along the Sabrina Coast. This dynamic behavior is a concern as climate change raises global air temperatures and could lead to dramatic ice mass loss.
Researchers found that the East Antarctic Ice Sheet has a history of expanding and shrinking, indicating it could contribute to global sea level rise. The study used geophysical and geological data to reconstruct how glaciers on the Sabrina Coast have advanced and retreated over 50 million years.
Researchers found that dust-derived nutrients can be vital to mountain ecosystems, even when nutrient supply from bedrock is substantial. This phenomenon is not limited to the Sierra Nevada and has been observed worldwide.
A new study by Brazilian researchers resolves the 'fundamental paradox of stellar dynamics', describing galaxy clusters' violent relaxation as displaying unique behavior with entropy oscillation. Entropy increases at the end of the process, but fluctuates in the initial stage, contrary to conventional understanding.
Recent North Texas earthquakes occurred on faults inactive for at least 300 million years, supporting the assertion they were induced by human activity. The study discriminates between natural and induced seismicity using classical structural geology analysis techniques.
A study by University of Texas at Austin researchers found that compact sediments along the Cascadia Subduction Zone increase earthquake and tsunami hazards. Compact sediments offshore of Washington and northern Oregon can lead to more stress buildup and longer rupture distances, making them prone to triggering larger tsunamis.
A study by Haris Majeed and Professor G.W.K. Moore found a correlation between declining summer sunshine and rising Rickets cases among British children, with median incidences doubling between 1997 and 2011.
Scientists improve drought prediction for La Niña events with two new studies, predicting a second year of drought due to the current La Niña. The research found that La Niña's impact on atmospheric circulation and southern U.S. drought becomes stronger in the second year.
Researchers have isolated novel microorganisms from extreme environments with unique methane consumption capabilities. The study aims to develop these microbes for industrial applications such as biodegradable plastics and electricity production.
A team of Brazilian astronomers observed a unique binary system consisting of a low-mass white dwarf and a brown dwarf. The white dwarf's existence was cut off due to the loss of matter caused by the companion, resulting in its premature death and transformation into a white dwarf.
Research led by the University of Texas at Austin found that strong winds over the Southern Ocean bring warm water to East Antarctica's Totten Glacier, causing it to melt from below. The glacier's contribution to global sea level rise will likely increase as winds intensify.
Researchers from the University of Houston are studying the impact of rainwater surging into Galveston Bay, estimating 34 trillion gallons fell along the Texas-Louisiana coast. They will survey the sea bottom and collect sediment samples to understand extreme event sedimentation patterns.
Researchers used biblical and ancient Egyptian texts to determine an annular solar eclipse on 30 October 1207 BC, which could help date the Egyptian pharaohs, including Ramesses the Great. This calculation enables precise dating of their reigns with a one-year precision.
The discovery of exceptionally well-preserved microfossils in Mongolia's Khesen Formation may confirm the existence of animal ecosystems earlier than previously thought. The cache, comprising eight genera and 17 species, represents a critical transition in life's history.
A team of researchers successfully predicted earthquakes using machine learning techniques in a laboratory setting. By analyzing acoustic signals from faults, they identified a pattern that can be used to estimate the stress on the fault and predict when an earthquake will occur.
A nearly complete skeleton of a 76-million-year-old tyrannosaur was discovered in the Grand Staircase-Escalante National Monument. The fossil is believed to be an individual of the species Teratophoneus curriei, with a relatively short head and estimated length of 17-20 feet.
The encyclopedia is a valuable resource for understanding the structure, processes, and genesis of the marine geosphere, essential for addressing global challenges. It presents an interdisciplinary synopsis of marine geosciences, incorporating multiple disciplines, and is regularly updated as a 'living' eReference work.
Researchers used dense seismograph network to map near-surface geology around Old Faithful, discovering a reservoir of heated water that fuels the geyser. The study also reveals how ground shaking behaves between eruptions and finds an underground feature affecting seismic waves in a specific area.
Researchers have demonstrated how aerial thermography is transforming archaeology by introducing a new realm of possibilities for collecting site data. The study showcases the potential of this methodology to reveal archaeological features, detect hidden structures, and analyze environmental conditions.
A study by MIT professor Daniel Rothman suggests that a sixth mass extinction may occur if the world's oceans hold enough carbon to destabilize the system. By 2100, human activities are estimated to add about 310 gigatons of carbon to the oceans, potentially tipping the planet into unknown territory.
A team of Stanford researchers is using satellite data to track and identify brick kilns in South Asia, which are a major source of air pollution and greenhouse gas emissions. The initiative aims to raise public awareness and incentivize kiln owners to switch to cleaner technologies.
Research at USC Viterbi School of Engineering has provided evidence for the occurrence of ground ice on protoplanet Vesta, a NASA-sponsored study that utilized bistatic radar techniques. The findings suggest large, smooth areas on Vesta correlated with higher hydrogen concentrations, supporting the presence of ground ice.
Scientists have documented a clear-cut instance of a massive earthquake triggering slow slip events in New Zealand, some occurring as far away as 300 miles from the epicenter. This study provides new insights into the relationships between slow slip events and earthquakes.
A new study reveals a clear relationship between the frontal bones and forebrain as well as parietal bones and midbrain in dinosaurs and birds. The research used CT scanning techniques to analyze embryos of lizards, alligators, and birds, confirming the link found in reptiles.
Researchers have created a new national map of seismic hazards for Brazil, highlighting regions prone to tremors. The survey found that the Northeast, Mato Grosso, and Pantanal biome are at higher risk, with low-intensity tremors capable of causing significant damage.