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Showing 7951 to 8000 of 59105 works
On assessing ERA5 and MERRA2 representations of cold-air outbreaks across the Gulf Stream
The warm Gulf Stream sea surface temperatures (SSTs) strongly impact the evolution of winter clouds behind atmospheric cold fronts. Such cloud evolution remains challenging to mod…
Genesis and trends in marine heatwaves over the tropical Indian Ocean and their interaction with the Indian summer mons…
Marine heatwaves (MHWs) are extreme oceanic warm water events (above 90th percentile threshold) that significantly impact the marine environment. Several studies have recently exp…
Non-detection of lightning during the second Parker Solar Probe Venus gravity assist
The Parker Solar Probe (PSP) spacecraft completed its second Venus gravity assist maneuver (VGA2) on 26 December 2019. For a 20 minute interval surrounding closest approach, the P…
Geomagnetically Induced Currents at Middle Latitudes: 1. Quiet-time Variability
Geomagnetically induced currents (GICs) at middle latitudes have received increased attention after reported power-grid disruptions due to geomagnetic disturbances. However, quant…
Climate change and women’s health: A scoping review
Climate change is a significant global health threat that is underpinned by the existing issue of gender inequality. A scoping review was conducted to better understand the relati…
The Jovian Ionospheric Alfvén Resonator and Auroral Particle Acceleration
The ionospheric Alfvén resonator (IAR) is a structure formed by the rapid decrease in the plasma density above a planetary ionosphere. This results in a corresponding increase in …
Magnetic and Gravity Surface Geometry Inverse Modelling of the TAG Active Mound
Seafloor massive sulfide deposits form in remote environments, and the assessment of deposit size and composition through drilling is technically challenging and expensive. To aid…
The morphology of simulated trade-wind convection and cold pools under wind shear
A growing body of literature investigates convective organisation, but few studies to date have sought to investigate how wind shear plays a role in the spatial organization of sh…
Characterizing the Composition of Sand and Mud Suspensions in Coastal \& Estuarine Environments using Combined Opti…
Quantifying and characterizing suspended sediment is essential to successful monitoring and management of estuaries and coastal environments. To quantify suspended sediment, optic…
Mapping Arctic Sea Ice Thickness: A New Method for Improved Ice Freeboard Retrieval from Satellite Altimetry
A growing number of studies are concluding that the resilience of the Arctic sea ice cover in a warming climate is essentially controlled by its thickness. Satellite radar and las…
Distant-water industrial fishing in high diversity regions
High diversity of coastal fishes is found in Western Pacific, East Asian, Australasian, Southern African and Caribbean waters, while the greatest diversity of tunas and bill-fishe…
A numerical experiment on outgassing of CO2 and water from the convecting mantle of Mars
To simulate the outgassing of CO2 and water from Martian mantle, I used a two-dimensional numerical model of magmatism in the convecting mantle. The mantle is internally heated by…
Observation of thermospheric gravity waves in the Southern Hemisphere with GOLD
The middle thermospherefrom ~150 to 250 km is characterized by rapid increase in temperature with altitude and rapid ionization. The entire thermosphere is believed to be home to …
Multi-point Observation of Hiss Emerging from Lightning Whistlers
Santolík, O., Kolmašová, I., Pickett, J. S., & Gurnett, D. A. (2021). Multi-point Observation of Hiss Emerging from Lightning Whistlers. Journal of Geophysical Research: Space Phy…
MagIC as a FAIR repository for America's archaeomagnetic legacy data
Beginning in 1964, an academic lineage of Robert DuBois and his students, Daniel Wolfman and Jeffrey Eighmy, developed dedicated United States-based archaeomagnetic research progr…
Using Seismicity and Tomographic Imaging to Infer the Location and Rupture of the Reservoir that Supplies magma to the …
Although many deep-seated magma reservoirs have been detected beneath active volcanic systems in Iceland in recent decades, none were detected beneath the 5 volcanic systems on th…
Improved Analysis of STEVE Photographs
We present a new approach for the analysis of high-resolution digital camera photographs taken by photographers who have fortuitously been able to capture rare events such as the …
Interpretability in Convolutional Neural Networks for Building Damage Classification in Satellite Imagery
Natural disasters ravage the world's cities, valleys, and shores on a monthly basis. Having precise and efficient mechanisms for assessing infrastructure damage is essential to ch…
Dark Food: Feeding People In Space Without Photosynthesis
Production of food in space via photosynthetic crops similar to the ones we use on Earth requires profligate use of resources that will be in short supply in early long duration s…
Modeling and experimental study of the effect of pore water velocity on the spectral induced polarization signature in …
Induced polarization (IP) is increasingly applied for hydrological, environmental and agricultural purposes. Interpretation of IP data is based on understanding the relationship b…
Land-use change contributing almost half of future diversity change of global terrestrial vertebrates under climate cha…
Global biodiversity is lost at an unprecedented ratio driven by climate change and land-use change. However, little is known about the combined effects of climate and land-use cha…
A field investigation on debris flows in the incised Tongde sedimentary basin on the northeastern edge of the Tibetan P…
An investigation on 152 gullies along the Daheba River in the Tongde sedimentary basin was performed. Debris flows develop in gullies with an excess topography Z E , which represe…
Hurricane-like Vortices in Conditionally Unstable Moist Convection
This study investigates the emergence of hurricane-like vortices in idealized simulations of rotating moist convection. A Boussinesq atmosphere with simplified thermodynamics for …
Flood-Induced Recharge of Matrix Water in a Vertic Forest Soil
Vertisols shrink and swell with changes in soil moisture, influencing hydraulic properties. Vertisols are often in floodplains, yet the importance of flooding as a source of soil …
Three Modes of Cloud-Boundary Layer Coupling over the Southern Ocean: Performance of Conventional and Mass-flux PBL Sch…
While the continental planetary boundary layer (PBL) structure and model capability to simulate it are relatively well understood, its structure and the ability of models to simul…
Mixing of Atlantic Water mass in the Arctic fjord during storm events
The cold and fresh upper water column of the Arctic Ocean (AO) is separated from warm and saline subsurface Atlantic Waters (AW) by the strong vertical stratification. Recent rapi…
Perspectives on teaching climate science to first year undergraduate students by integrating sociopolitical contexts of…
This study investigates how course design for a first year introductory class on climate change impacts student understanding of this global issue. The course was developed to sit…
Climate feedback from wetland emissions of methane may necessitate larger anthropogenic reductions to stay within 1.5°C…
In 2020, global atmospheric methane (CH4) levels increased by 14.7 parts-per-billion (ppb) - the largest annual increase since atmospheric records began in 1983 (https://research.…
Arctic Ocean liquid freshwater in CMIP6 coupled models
In this paper we assessed the representation of Arctic sea surface salinity (SSS) and liquid freshwater content (FWC) in the historical simulation of 31 CMIP6 models with comparis…
Estimation of Return Levels for Extreme Skew Surge Coastal Flooding Events in the Delaware and Chesapeake Bays for 1980…
Extreme storm surges can overwhelm many coastal flooding protection measures in place and cause severe damages to private communities, public infrastructure, and natural ecosystem…
Regional characteristics of variability in the Northern Hemisphere wintertime polar front jet and subtropical jet in ob…
Variability in the position and strength of the subtropical jet (STJ) and polar front jet (PFJ) streams has important implications for global and regional climate. Previous studie…
Empirical Evidence of Frequency-Dependent Directivity Effects from Small-to-Moderate Normal Fault Earthquakes in Centra…
Rupture directivity and its potential frequency dependence is an open issue within the seismological community, especially for small-to-moderate events. Here we provide a statisti…
Gravity and magnetic evidence for the geological setting of major mineral systems of the main metallogenic belts in Sou…
South China(SC) is characterized by large-area multistage magmatism.There are five large-scale metallogenic belts in SC, multiple world-class deposits have been discovered, showin…
Detailed 3D Seismic Velocity Structure of the Prague, Oklahoma Fault Zone and the Implications for Induced Seismicity
The 2011 Mw 5.7 Prague earthquake is the second largest induced earthquake in Oklahoma, and occurred after decades of wastewater disposal. The local geological structure that led …
Source Mechanisms of Earthquakes in Northwest Louisiana
Seismometers were installed in the Haynesville basin and Sabine uplifts in northwestern Louisiana and eastern Texas with the purpose of tracking earthquakes in correlation with hy…
Late Oligocene Precipitation Seasonality in East Asia Based on δ13C Profiles in Fossil Wood
The wet summers and dry winters of monsoon systems in East Asia are a first-order control on food and water security for a significant portion of the global population today. The …
The micro-Broadband Receiver (uBBR) on the Very-Low-Frequency Propagation Mapper (VPM) CubeSat
The Very Low Frequency (VLF) Propagation Mapper (VPM) is a 6U CubeSat designed to measure VLF radio waves in Low-Earth Orbit. The science goals of the VPM mission are to measure V…
Multi-OSL-thermochronometry using deep borehole core for thermal history over 0.1 Myr in Rokko Mountains
Optically stimulated luminescence (OSL) thermochronometry is a tool for constraining cooling histories in low-temperature domains (several tens of degree Celsius) during the past …
Deformation in western Guatemala associated with the NAFCA (North America-Forearc-Caribbean) triple junction: Neotecton…
Recent structural and geodetic data define the Guatemala City graben region as the continental triple junction between the North American plate, Caribbean plate, and a forearc sli…
A machine learning based approach to clinopyroxene thermobarometry: model optimisation and distribution for use in Eart…
Thermobarometry is a fundamental tool to quantitatively interrogate magma plumbing systems and broaden our appreciation of volcanic processes. Developments in random forest-based …
The Role of Curvature in Modifying Frontal Instabilities -- Short Summary
In this study, we revisit the role of curvature in modifying frontal stability. We first consider the statement “fq < 0 implies potential for instability”, where f is the Coriolis…
Extensive remineralization of peatland-derived dissolved organic carbon and acidification in the Sunda Shelf Sea, South…
Southeast Asia is a hotspot of riverine export of terrigenous organic carbon to the ocean, accounting for ~10% of the global land-to-ocean riverine flux of terrigenous dissolved o…
The COVID-19 Pandemic not only Puts Challenges but also Opens Opportunities for Sustainable Transformation
The COVID-19 pandemic has affected humankind worldwide, slowing down and even reversing the progress made in achieving Sustainable Development Goals (SDGs). It has negatively impa…
Projections of Tropical Heat Stress Constrained by Atmospheric Dynamics
Extreme heat under global warming is a concerning issue for the growing tropical population. However, model projections of extreme temperatures, a widely used metric for extreme h…
Electron kinetic entropy across quasi-perpendicular 1 shocks
Key Points: 8 • The change in electron kinetic entropy per particle is calculated for 22 shock cross-9 ings having wide range of shock conditions 10 • The entropy change displays …
Flushing the Lake Littoral Region: The Interaction of Differential Cooling and Mild Winds
The interaction of a uniform cooling rate at the lake surface with sloping bathymetry efficiently drives cross-shore water exchanges between the shallow littoral and deep interior…
Validation of hydro-geomechanical properties in high pressure triaxial device for hydrate-bearing core analysis
In the last 20 years, there has been an international effort to develop approaches to experimentally measure the petrophysical and geomechanical properties of hydrate-bearing core…
Ice nucleating particle connections to regional Argentinian land surface emissions and weather during the Cloud, Aeroso…
Here we present a multi-season study of ice nucleating particles (INPs) active via the immersion freezing mechanism, which took place in north central Argentina, a worldwide hotsp…
Automatic Waveform Quality Control for Surface Waves Using Machine Learning
Surface-wave seismograms are widely used by researchers to study Earth’s interior and earthquakes. To extract information reliably and robustly from a suite of surface waveforms, …
Dynamical Characterization of the Loop Current Attractor
The Gulf of Mexico circulation is modulated by a mesoscale current, the Loop Current (LC), and large anticyclonic eddies that detach from it. The LC dynamics are recurrent, and it…
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