Articles tagged with Earth Surface
A new study reveals that climate change will reshape the surface sunlight map, making polar regions dimmer and mid-latitude areas brighter. The redistribution of sunlight may impact energy balance, snow and ice processes, hydrological cycles, and solar energy resources.
Tulane researchers discovered that an area of the African tectonic plate, previously thought to be weak, is now resisting deformation due to dehydration 80 million years ago. This process strengthened the plate and made it more resistant to future breakup.
A new study found that land and ocean weathering processes are linked, influencing the amount of carbon stored or released into the atmosphere. The research proposes a continuum approach to studying weathering reactions on both land and in the ocean.
Researchers analyzed Trans-Neptunian Objects using the James Webb Space Telescope, finding two distinct groups with varying surface ice methanol presence. The discovery sheds light on the formation and evolution of these distant icy worlds, revealing insights into the solar system's origins and potentially habitable exoplanets.
Research finds that pyrope garnet can retain up to 0.2 wt.% water, potentially dominating water transport via basaltic slabs into the lower mantle. The study also reveals strong pressure-temperature dependence of water solubility in pyrope garnet.
Researchers used satellite data to analyze the impact of dust on snowmelt in the Colorado River Basin. The study found that dust-driven melting tends to peak earliest and be most intense in central-southern Rocky Mountains, accelerating spring melt rates by up to 1 mm water-equivalent per hour.
A plume of hot rocks from the Earth's mantle created a conveyor belt for heat to rise, leading to the gradual uplift of the Arabian Peninsula and the creation of a land bridge between Asia and Africa. This event enabled the early ancestors of elephants, giraffes, and humans to roam between the two continents.
A research team found that stages of 'dimming' and 'brightening' correspond with increased air pollution and implementation of clean energy solutions. The study suggests that reducing air pollution can lead to more sunlight reaching the Earth's surface, which could have compounding benefits for solar power production.
A recent study revealed a record-breaking increase in Antarctic Ice Sheet mass between 2021 and 2023, with significant mass gain observed in four key glaciers. This shift counters decades of mass loss, driven by anomalous precipitation accumulation.
A new database of 400 years of sightings compiled by researchers at Colorado State University may help anticipate when and where milky seas will occur. The archive includes eyewitness reports, satellite data, and individual accounts submitted to the Marine Observer Journal.
A study found that a hydrothermal system created by an asteroid impact helped marine life flourish in the Gulf of Mexico for at least 700,000 years. The system generated and circulated nutrients, supporting high-nutrient environments that favored certain types of plankton.
This study used high-resolution satellite data to rapidly assess coseismic surface ruptures caused by the 2023 Türkiye earthquake doublet. The research found separate rupture zones for each earthquake and highlighted seismic hazard risks for specific fault segments, including the Malatya Fault and East Anatolian Fault Zone.
The study found that solar wind radiation plays a dominant role in space weathering on the lunar farside, differing from the nearside. The Chang'e-6 samples showed less melt drops and no nanophase metallic iron particles, indicating variations in the space environment.
New Delhi's air pollution is more severe than previously estimated, with particles absorbing atmospheric water vapor leading to significant underestimation of particulate matter levels. The study highlights the importance of considering hygroscopic growth and its impact on air quality assessments.
The ARRAKIS project team aims to understand how microbial life thrives in extreme environments by studying the Great Kobuk Sand Dunes in Alaska. Researchers will use Raman spectroscopy and gas chromatography/mass spectrometry to identify and quantify organic compounds and measure ATP and total DNA.
Scientists at the University of Birmingham warn that increasing CO2 levels could lead to a decrease in 'space sustainability' due to changes in the Earth's upper atmosphere. The research suggests that as the atmosphere cools, it contracts, reducing satellite density and potentially increasing the risk of collisions.
Researchers have presented a unique time-dependent record of drainage divide migration rates, showing that episodes of rapid shift coincide with past climate changes in the Negev over the last 230,000 years. This discovery accelerates our understanding of how climate affects the Earth's surface.
Researchers found a synchronization between geological climate archives and large-scale volcanic eruptions in the Deccan Traps, which may have caused mass extinctions. The study suggests that changes in Earth's orbit around the sun regulate the amount of incoming solar radiation, affecting global climate patterns.
Researchers from Curtin University and Geological Survey of Western Australia have discovered the world's oldest known impact crater, dating back to 3.5 billion years ago. The discovery was made in the Pilbara region of Western Australia and provides new insights into the origins of life on Earth.
Scientists are studying how microplastics affect microbial communities in ponds, with potential implications for carbon cycling and the global biosphere. Microbes have adapted to plastic surfaces, which could impact aquatic environments.
Researchers found that ancient glaciers carved deep into the Earth's crust, releasing key minerals that altered ocean chemistry. This process created conditions that allowed complex life to evolve, with the influx of elements changing ocean chemistry at a critical time in evolution.
Researchers used Synthetic Aperture Radar satellites to quantify off-fault damage and surface displacement caused by the two 2023 earthquakes. The study suggests that off-fault damage can reach up to five kilometers from the fault, contradicting previous estimates.
A recent study reveals a significant long-term decline in downward surface solar radiation globally, with significant decadal variations observed over land. The research highlights the role of water vapor in DSSR changes, which was previously overlooked, and shows that future DSSR changes will depend heavily on emission scenarios.
Researchers found significant increases in crevasses at fast-flowing glaciers, with some sectors experiencing a 25% increase. This accelerated crevassing could further speed up the mechanisms behind the loss of ice from Greenland.
A new study by scientists at the University of Rochester suggests that atmospheric wind has a surprising impact on ocean eddies, which are circular currents of water about 100 kilometers wide. The research reveals that wind can both energize and dampen eddies, depending on their spin direction.
A research team from the University of Göttingen investigated the influence of the Zagros Mountains on Earth's surface bending. They found that the Neotethys oceanic plate is breaking off horizontally, creating a depression in the region.
Researchers have designed an innovative iron-based catalyst that can produce ammonia at a rate three times higher than the current industry standard. The new catalyst, made from earth-abundant materials, enables efficient industrial production of ammonia, a crucial chemical for fertilizers and sustainable agriculture.
A recent Colorado State University study demonstrates that climate change can affect earthquake frequency, as glaciers recede and slip along faults increases. This suggests that earthquake activity could increase as glaciers melt, impacting hazard assessment and seismology.
A global study on microbiomes in subsurface environments reveals astonishingly high microbial diversity, rivaling that at the surface. The study, led by Emil Ruff, also compares marine and terrestrial microbiomes, finding great differences in composition but similar levels of diversity.
Scientists have developed a new technique to study faults, which can improve earthquake forecasts by determining the origins and directions of past rupture events. By analyzing curved scratches left on the fault plane, researchers can pinpoint where earthquakes start and spread, providing valuable insights for modeling future scenarios.
The Center for Marine Autonomy and Robotics develops advanced underwater robots and autonomy algorithms, enabling intelligent operation without human oversight. The research team has received $7.4 million in grants to continue their mission, advancing unconventional marine platforms and enhancing AUV capabilities.
The study discovered significant alterations in the region's state of stress and deformation following the 1975 Kalapana earthquake. The researchers found that Kīlauea's south flank experienced greater displacement prior to the earthquake, pointing to changes in mechanical properties influencing seismic activity.
Researchers at University of Maryland have discovered that the South Pole-Aitken basin, the moon's oldest and largest visible crater, is more circular than previously believed. The team used high-resolution data to analyze mountain formations around the basin, revealing a rounder shape indicating a more vertical impact angle.
A new study from the University of Colorado at Boulder has uncovered strong evidence for a global 'Snowball Earth' event, where massive glaciers covered the entire planet down to the equator hundreds of millions of years ago. The findings provide critical insights into the planet's geologic history and the emergence of life on Earth.
A magnitude 4.8 earthquake in New Jersey triggered widespread alarm, but surprisingly, the epicenter showed minimal damage, while distant areas like NYC and Virginia experienced stronger shaking. An analysis of Lg waves revealed a previously unmapped fault with complex strike-slip motion and thrust, affecting regional hazard assessments.
Researchers found that the El Niño oscillation persisted at least 250 million years ago, with more intense temperature swings. The study suggests that atmospheric noise from ocean surface winds plays a key role in the oscillation's magnitude.
A recent study by University of Miami researchers identifies El Niño-Southern Oscillation as the primary cause of the rapid warming of the planet in 2023. The analysis shows that nearly all temperature spikes were associated with an El Niño event, highlighting the significant impact of this climate phenomenon on global temperatures.
A recent study published in PLOS Climate examines the effectiveness of using land surface temperatures as proxies for surface air temperatures in subtropical regions. The findings reveal seasonal variations in the relationship between LST and SAT, underscoring the complexity of using LST data in subtropical, wet regions.
Researchers from University of Texas at Arlington have identified 206 systems of interest for potential habitability, including one system where the planet is always situated in the HZ. The team analyzed data from NASA Exoplanet Archive and found F-type stars to be a promising case for life beyond Earth.
A new spatio-temporal fusion method called RES-STF combines VIIRS LST and Landsat LST data to create high-resolution images with both spatial and temporal details. This approach offers improved accuracy and robustness compared to traditional methods, providing critical data for studying urban heat environment changes and guiding agricu...
A new study finds that a nearby eroding river gorge is causing Mount Everest's peak to rise by 15-50 meters over the past 89,000 years. The research suggests that the loss of landmass due to erosion is causing the mountain to spring upwards by as much as 2 millimeters a year.
Researchers discovered a mysterious subduction zone deep beneath the Pacific Ocean, reshaping our understanding of Earth's interior structure. The team found an unusually thick area in the mantle transition zone, suggesting the presence of colder material that slows down oceanic slabs as they sink through the mantle.
Researchers developed a new model to account for directional anisotropies in land surface temperature (LST) measurements, which are affected by complex topography. The TESKD model outperforms existing methods in accuracy, particularly in mountainous regions.
Researchers propose that Mars' early thick atmosphere could have been locked up in the planet's clay surface due to slow chain reactions between rocks and gases. The clay is estimated to hold up to 80% of the initial, early atmosphere, potentially recovered and converted into propellant for future missions.
Researchers confirm multi-stage lithospheric dripping as cause of basin subsidence in Central Anatolian Plateau. Laboratory experiments and satellite data reveal intricate connection between plateau uplift and basin formation events.
A new study reveals that Earth's surface temperature has varied more greatly over the past 485 million years than previously thought. The study, co-led by the Smithsonian and University of Arizona, confirms that carbon dioxide is strongly correlated with global temperatures across geological time.
Scientists have developed a comprehensive evaluation of spatiotemporal fusion techniques for monitoring eutrophic lakes. By addressing processing and modeling errors, they can generate high-resolution data on chlorophyll-a concentration, providing guidelines for future studies.
Researchers report progress in ozone monitoring from space, improving product accuracy and spatial resolution, essential for effective pollution control and air quality management.
A Pusan National University study reveals that increases in clear-sky downwelling longwave radiation and surface albedo feedback are the dominant factors behind Greenland's surface warming. This finding has significant implications for predicting future climate impacts and preventing further ice sheet melting.
Researchers mapped a giant underwater avalanche that grew 100 times in size, eroding a 400km canyon and traveling 2000km across the Atlantic Ocean seafloor. The event was so powerful it carried boulders over 130m up the side of the canyon.
A University of Central Florida researcher has developed a nature-inspired filtration and conversion system that extracts carbon dioxide gas from the atmosphere to create fuels and chemicals. The device mimics the lotus surface, capturing carbon dioxide with a microsurface comprised of a tin oxide film and fluorine layer.
Researchers found that powerful waves triggered deep within the Earth can cause continental surfaces to rise by over a kilometre. The study explains why parts of continents experience substantial uplift and erosion, forming sweeping elevated regions known as plateaus.
A new approach incorporating machine learning and a novel radar technique has solved the 'cloud cover' problem in remote sensing, improving land surface temperature tracking accuracy. This is achieved by combining better elevation models with multiple radar echoes from SAR images to reconstruct optical data.
Researchers at FAU will investigate how microbes respond to climate conditions and develop strategies to enhance soil health in drylands. The project aims to improve understanding of microbial resistance to climate change and discover solutions to reduce soil degradation.
The DART mission provided a unique opportunity for studying the geology of a near-Earth asteroid binary system, shedding light on its origin and evolution. Researchers found that Dimorphos likely spun off from Didymos in a large mass shedding event, with Dimorphos having a surface age 40-130 times older than Didymos.
A new study by MIT and University of Chicago scientists pin down the origins of the moon's tenuous atmosphere, finding that meteorite impacts are the primary process. Over billions of years, these constant impacts have kicked up lunar soil, vaporizing certain atoms and lofting particles into a thin atmosphere.
A recent study found that volcanic 'fires' in Iceland were triggered by the storage and melting of magma beneath the Earth's crust. The team used geochemical analysis to discover that the magma comes from underground melting of the crust, rather than directly from the mantle.
Scientists have reconstructed climate information from rocks dating back to the Devonian period, finding significant geological events such as oceanic openings and mountain uplift. The study's findings may help improve the usability of deep geothermal energy.
A new study reveals that solar radiation can affect the Earth's deep interior, influencing the redox state of arc magma. The research found a latitude-dependent distribution of arc magma with less oxidized magma in lower latitudes.
Researchers analyzed Cassini radar experiment data to estimate the composition and roughness of Titan's sea surfaces, revealing differences in hydrocarbon seas' surface layers dependent on latitude and location. The study found higher dielectric constants in southern Kraken Mare and detected tidal currents near coastal areas.