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Showing 3501 to 3550 of 22070 works
Reconciling the conflicting extent of overriding plate deformation before and during megathrust earthquakes in South Am…
We aim to better understand the overriding plate deformation during the megathrust earthquake cycle. We estimate the spatial patterns of interseismic GNSS velocities in South Amer…
On the resolution of triangular meshes
It is generally agreed that the resolution of a regular quadrilateral mesh is the side length of quadrilateral cells. There is less agreement on what is the resolution of triangul…
Stresses in the lunar interior: insights from slip directions in the A01 deep moonquake nest
We probe the present-day stresses in the lunar interior by examining the slip directions of moonquakes in the A01 nest. In this nest, some deep moonquakes appear to slip ‘backward…
The Association between Rainfall, Temperature and Reported Drinking Water Source: A Multi-Country Analysis
Climate change may alter access to safe drinking water, with important implications for health. We assessed the relationship between temperature and rainfall and utilization of ba…
Dynamics of the Seismicity in the Alto Tiberina Fault System revealed by a High-Resolution Template Matching Catalog
The Alto Tiberina Fault system located in the Northern Apennines (Italy) consist of a low angle normal fault which radiates micro-seismicity on a constant rate and is assumed to h…
High-resolution post-process corrected satellite AOD
Poor air quality poses a great threat to human health. Accurate high-resolution satellite remote sensing of atmospheric aerosols would highly benefit satellite-based air quality e…
Comparisons of Total Ion Density Derived from IVM and GNSS TEC on the FORMOSAT-7/COSMIC-2 Mission
We report on a new method to calibrate the FORMOSAT-7/COSMIC-2 (F7/C2) ion velocity meter (IVM) in-situ ion density data using the Tri GNSS (Global Navigation Satellite System) Ra…
Impacts of Subauroral Polarization Streams on Storm-Enhanced Density and Tongue of Ionization
The influences of subauroral polarization streams (SAPS) on storm-enhanced density (SED) and tongue of ionization (TOI), an important topic in the field of magnetosphere-ionospher…
The temporal limits of predicting fault failure
Machine learning models using seismic emissions can predict instantaneous fault characteristics such as displacement in laboratory experiments and slow slip in Earth. Here, we add…
Exploring the Influence of Summer Temperature on Human Mobility during the COVID-19 Pandemic in the San Francisco Bay A…
Heat related illnesses are one of the leading causes of weather-related mortality in the United States, and heat extremes continue to increase in frequency and duration. Public he…
Precambrian Microbial Mats and its Astrobiological Implications
It is now understood that if life had ever erose on Mars, it might have been preserved in the simplest form. Therefore, studying the traces of simple life forms from the rock reco…
Direct evidence of high pore pressure at the toe of the Nankai accretionary prism
The Nankai Trough is a locus of slow slip, low frequency earthquakes and Mw>8 classical earthquakes. It is assumed that high pore pressure contributes substantially to earthquake …
Viscoelastic relaxation within the Moon and the phase lead of its Cassini state
Analyses of Lunar Laser Ranging data show that the spin-symmetry axis of the Moon is ahead of its expected Cassini state by an angle of $\phi_p$ = 0.27 arcsec. This indicates the …
Building a Global Ecosystem Research Infrastructure to address global grand challenges for macrosystem ecology
The development of several large-, ‘continental’-scale ecosystem research infrastructures over recent decades has provided a unique opportunity in the history of ecological scienc…
High Sensitivity of Compound Drought and Heatwave Events to Global Warming in the Future
Compound drought and heatwave (CDHW) events have received considerable attention in recent years due to their devastating effects on human society and ecosystem. In this study, we…
The Andes and Hotspots: Mutual Evidence
Improved plate-to-plate reconstructions in the southwest Pacific, South Atlantic, and southwest Indian Ocean, and plate-to-hotspot models for the Pacific plate, combined with publ…
Flood extent mapping during Hurricane Florence with repeat-pass L-band UAVSAR images
Extreme precipitation events are intensifying due to a warming climate, which, in some cases, is leading to increases in flooding. Detection of flood extent is essential for flood…
Aerial observations and numerical simulations confirm density-driven streamwise vortices at a river confluence
When rivers collide, complex three-dimensional coherent flow structures are generated along the confluence’s mixing interface. These structures play important roles in mixing stre…
Bremsstrahlung in High Density Mediums
Previously the radiation patterns of combined parallel and perpendicular motions from the accelerated relativistic particle at low and high frequencies of the bremsstrahlung proce…
Long-term variability of the coastal ocean stratification in the Gulf of Naples: Two decades of monitoring the marine e…
We analyze 20 years (2001-2020) of temperature and salinity profiles at the LTER-MC coastal station in the Gulf of Naples, Mediterranean Sea. Surface and bottom layer show increas…
A Cost-Efficient, Highly Modifiable Borehole Tilt Sensor for Borehole Geophysical Studies
We present a cost-efficient tilt sensor that was originally developed by our team at Dartmouth College to study ice deformation as part of the Jarvis Glacier Project, and we showc…
Cratonic Earthquakes in the Crust-Mantle Transition, Western Canada
Deep earthquakes in the lower continental lithosphere - the lower crust and uppermost mantle - are frequently too poorly located in depth to be definitively labelled as having occ…
Stochastic Data Integration to model Quaternary Aquifers: Application on the Aare Valley, Switzerland
Nowadays, the centralization of subsurface-related observation is more and more common. Databases constituted of an ensemble of geophysical, hydrological, or borehole measurement …
Mechanically coupling on the plate interface in the Nankai trough, Japan and a possible seismic and aseismic rupture sc…
Quantifying the stress distribution or finding mechanically coupled areas on the plate interface is fundamentally important for conjecturing megathrust earthquakes that may occur …
Assessing precipitation over the Amazon basin as simulated by a storm-resolving model
In this study we investigate whether a better representation of precipitation in the Amazon basin arises through an explicit representation of convection and whether it is related…
Bark beetle effects on fire regimes depend on underlying fuel modifications in semiarid systems
Although natural disturbances such as wildfire, extreme weather events, and insect outbreaks play a key role in structuring ecosystems and watersheds worldwide, climate change has…
Neogene - Quaternary Initiation of the Southern Malawi Rift linked to Reactivation of the Carboniferous - Jurassic Shir…
Low-temperature thermochronology studies record Miocene aged rift initiation of the northern Malawi Rift. However, no studies are available from the southern Malawi Rift and the S…
Effect of Inorganic Fertilizer Application on Green House Gas Emissions and Microbial Activity under Coffee Agroforestr…
A study was conducted in none tilled coffee agroforestry fields of Eastern Uganda to understand the effects of application of inorganic fertilizers on soil nutrient loss in form o…
Multi Attention Neural Network for Digital Rock CT Images Super-Resolution
High-quality digital rock images are essential for subsequent high-precision numerical simulations. But limited by the imaging capability of computed tomography (CT), high resolut…
Can unsupervised profile classification help create interpretable and robust oceanographic knowledge?
Oceanographic structure is often represented as a collection of vertical profiles, i.e. temperature, salinity, and/or biogeochemical values at various depths. These profiles conta…
Drivers of decadal carbon fluxes across temperate ecosystems
Long-running eddy covariance flux towers provide insights into how the terrestrial carbon cycle operates over multiple time scales. Here, we evaluated variation in net ecosystem e…
Time-variability of flow recession dynamics: Application of machine learning and learning from the machine
Flow recession analysis, relating discharge Q and its time rate of change -dQ/dt, has been widely used to understand catchment scale flow dynamics. However, data points in the rec…
The Effect of Compression Induced Chorus Waves on 10s to 100s eV Electron Precipitation
On 7 January 2014, a solar storm erupted, which eventually compressed the Earth’s magnetosphere leading to the generation of chorus waves. These waves enhanced local wave-particle…
Just Ask the Kids: Climate Resilience Engagement through Dirty Snow Citizen Science Inquiry Investigations in Alaska an…
With shore-fast sea ice disappearing along the coast of the Chukchi Sea causing winds with deep snow drifts, variable snowpack in Bristol Bay in Alaska, and winters without snow i…
Methane Clathrate Effects on Seismic Propagation within Titan
Titan’s surface icy shell is likely composed of water ice and methane clathrate [1, 2]. Methane clathrate may play a role in Titan’s methane cycle [3–5] affect Titan’s thermal pro…
Hunga Tonga-Hunga Ha'apai Hydration of the Stratosphere
Following the 15 January 2022 Hunga Tonga-Hunga Ha’apai eruption, several trace gases measured by the Aura Microwave Limb Sounder displayed anomalous stratospheric values. Traject…
A century of observed temperature change in the Indian Ocean
The Indian Ocean is warming rapidly, with widespread effects on regional weather and global climate. Sea-surface temperature records indicate this warming trend extends back to th…
Detection of Seismic Events originating from Europa’s Silicate Interior: Implications for constraining interior dynamics
Here we explore the detection limits of a seismic event originating from Europa’s silicate interior. Such an event could be used to constrain the tectonic regime, rheology, and in…
Detailed Bed Information at the Grounding Line of Rutford Ice Stream in West Antarctica Gleaned from Comprehensive Micr…
The nucleation and triggering of basal microseisms, or icequakes, at the bottom of glaciers as the ice flows over it can grant us valuable insights about deformation processes tha…
Could Kilauea's 2020 post caldera-forming eruption have been anticipated?
In 2018 Kilauea volcano erupted a decade’s worth of basalt, given estimated magma supply rates, triggering caldera collapse. Yet, less than 2.5 years later Kilauea erupted again. …
Effects of differences in aboveground dead organic matter types on the stand-scale necromass and CO efflux estimates in…
[This presentation is published at https://doi.org/10.1111/1440-1703.12317] Dead organic matter (DOM), which consists of leaf litter, fine woody debris (FWD; < 3 cm diameter), dow…
Global Observations of Riverbank Erosion and Accretion from Landsat Imagery
Riverbank migration has historically been seen as a risk to infrastructure that can be combatted through channelization, bank stabilization, and sediment trapping. The physical pr…
Collaborative Computational Resource Development around ICESat-2 Data: the icepyx Community and Library
Cryospheric data is increasing in size, demanding highly computational analyses. Open science principles, including collaboration, enable efficient, tested, reproducible, and dive…
Perceiving Complex Water Resource Systems from the Perspective of Emergence and Information
A challenge to managing water resources is characterizing the scale-dependent heterogeneity created by the interactions among hydrological, ecological and anthropological processe…
Parametric Study of Prompt Methane Release Impacts III: AOGCM Results Which Respect Historical PIOMAS Measurements
Of immediate widespread concern is the accelerating transition from Holocene-like weather patterns to unknown, and likely unstable, Anthropocene patterns. A fell example is irreve…
Explaining temporal shifts of river hydrochemistry observed during storm events
Rainstorms rapidly change flow and water constituents in rivers. These alterations can be assessed during storms through transport and fate of total suspended solids (TSS) and tot…
Development and evaluation of E3SM-MOSAIC: Spatial distributions and radiative effects of nitrate aerosol
Nitrate aerosol plays an important role in affecting regional air quality as well as Earth’s climate. However, it is not well represented or even neglected in many global climate …
High Spatiotemporal Resolution Planetary Boundary Layer Dynamics Across the Israeli Coast-Mountain-Valley Terrain Unrav…
The west-east terrain cross-section along ~150km of the northern part of Israel is characterized by a coastal-plain—mountain—valley structure; hereafter denodet iCMV. However, the…
Wildfire Classification using PETSc-based Support Vector Machines on Distributed-Memory GPU-based Parallel Computers
As high-resolution geospatiotemporal data sets from observatory networks, remote sensing platforms, and computational Earth systems increase in abundance, fidelity, and richness, …
Exploring the Scientific Utility of Combined Spaceborne Lidar and Lightning Observations of Thunderstorms
Approximately eight months of co-located spaceborne lidar and lightning observations were analyzed in a pathfinder study to understand the advantages and challenges of using these…
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