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Showing 21401 to 21450 of 22070 works
Building Collective Intelligence Networks for Flourishing Scientific Communities
Scientific communities are straining under mounting challenges—knowledge fragmentation, outdated publication processes, institutional erosion and funding cuts—that threaten our ca…
Scalable and Optimized Terrain Parameter Computation with the GEOtiled-SG Framework
Spatial terrain parameters (TPs), such as slope, aspect, curvature, and catchment area, are crucial for understanding natural phenomena, including runoff generation, erosion, soil…
Bursty Energization of O$^{+}$ by Compressional ULF Waves in High-Latitude Boundary Layers observed by MMS During the R…
We present Magentospheric Multiscale (MMS) observations of heavy ions energization during the recovery phase of the 11-12 May 2024 Gannon superstorm. Bursty enhanced O$^{+}$ ion f…
Measuring Snow Water Equivalent (SWE) at Multiple Scales by Cosmic Ray Probes
The challenge of measuring the amount of water stored in mountain snowpack as SWE is usually addressed by a combination of computational modelling, meteorological observations and…
Simulations of Polar Cap Ionosphere Lifted F2 Peaks and Comparisons to Observations by Incoherent Scatter Radar.
Incoherent scatter radars (ISR) in the polar cap sometimes observe the ionospheric F2 peak height (hmF2) being lifted to unusually high altitudes (exceeding 400 km). The physical …
Simultaneous Megapluvials in Southwestern North and South America During the Last Millennium
Decadal-scale droughts, known as megadroughts, occurred in southwestern North and South America (NASW and SASW) over the past millennium, including simultaneous events. Similarly,…
Connecting Scales of Soil-Moisture Measurements by Cosmic Rays Neutron Sensing
Cosmic Rays Neutron Sensing (CRNS) emerged among proximal sensors as a reliable option for filling the scale gap between point probes and remote sensing. CRNS consists in detectin…
Agricultural Non-Consumptive Water Use Estimation and Water Management Performance Assessment Through a Remote Sensing-…
In Utah, significant agricultural water demand (75% of available water) combined with arid climate and population growth puts pressure on existing water resources. Also, Utah clim…
Invisible ship tracks produce mean-state cloud microphysics perturbation in tropical trade cumulus
Aerosol effects in cumulus-topped boundary layers remain relatively unconstrained and drive uncertainty in climate modeling. We assess the impacts of shipping aerosol on trade cum…
Insights from two decades of seismicity at Columbia Glacier
We use Columbia Glacier as a case study to demonstrate how seismically cataloged calving events in Alaska can track glacier evolution over two decades. By combining this catalog–a…
Calibrating Low-Cost Air Quality Sensors for High Accuracy PM2.5 Measurements Using Machine and Deep Learning, Enabling…
In recent years, air quality has decreased substantially because of increasing levels of harmful pollutants from various industrial practices, vehicle emissions, and wildfires. Pa…
A causal examination of the solar influence on Holocene climate
Variations in Total Solar Irradiance (TSI) have long been hypothesized to influence global mean surface temperature (GMST) on centennial to millennial timescales, but empirical ev…
River meander development by bar-push and bank-pull during cyclic hydrographs in a field-scale experimental channel
Under equilibrium conditions, gravel-bed rivers widen and narrow as bar-push and bank-pull wax and wane through individual floods, yet over decades the channel often holds near co…
Storms, Sea Ice, and Microseismic Noise in Alaska
Using 155 distributed seismic stations spanning Alaska and western Canada, we document how environmental factors like storms and sea ice influence microseismic noise. We examine p…
Behaviors of Interhemispheric Coupling in Different Boreal Winter Subseasons During Major SSWs
This study utilizes 45 years of WACCM-X simulations with Specified Dynamics and 22 years of Aura MLS observations to explicitly differentiate the behaviors of interhemispheric cou…
TITUS (Technology Innovation Thermoradiative Uranus Smallsat): a companion satellite for enhanced Uranus magnetospheric…
The Technology Innovation Thermoradiative Uranus Smallsat (TITUS) is a proposed smallsat technology demonstration concept mission to showcase an innovative power source utilizing …
Enhancing Low-Cost Sensor Reliability for Air Quality Monitoring using Deep Learning and Monte Carlo-based Uncertainty …
Increasing levels of harmful air pollutants, particularly particulate matter smaller than 2.5 µm (PM2.5), pose a significant global public health risk. While accurate monitoring i…
Directional Dynamics of Fog: Irreversibility and Causal Coupling with Turbulence
Fog prediction remains challenging because the physical processes governing its lifecycle evolve across time scales and do not follow reversible or stationary dynamics. Using high…
The Evolving Decline of Landfast Sea Ice in Northern Alaska and Adjacent Waters: Results from an Updated Climatology
We present a new 27-year record of landfast sea ice extent in northern Alaska and adjacent waters, which uses ice chart data to extend a previous analysis based on synthetic ape…
How Exposure Data Synthesis Choices Shape our Understanding of Disaster Risk
High-fidelity regional simulations offer powerful tools for disaster risk management, providing rich quantitative insights into potential impacts and the effectiveness of mitigati…
Bioerosion drill holes increase carbonate dissolution in the planktonic foraminifer Globigerinoides ruber
Planktonic foraminifera are instrumental in reconstructing paleoceanographic and paleoclimatic conditions. However, preferential dissolution can significantly bias both assembl…
Poromechanics of particle remobilization and interface stiffness of dynamically stressed fractured rock
A range of natural (teleseismic waves) and industrial sources (hydraulic stimulation) of stress perturbations in the subsurface can alter the poromechanical response of fractured …
Smartphone Carrier Phase TEC: A Study Across Ionospheric Spatio-Temporal Scales
This study explores the potential of dual-frequency smartphones as accessible tools for citizen science in ionospheric research.While prior work by Smith et al. (2024) demonstrate…
Development of an Intelligent Chatbot DAISY for Natural Disaster Information Dissemination
This study presents DAISY (Disaster Awareness and Information Serving You), an intelligent chatbot designed to enhance public access to real-time natural disaster information. DAI…
Diagnosing Parametric Controls on CLM Ecohydrology Using Machine Learning Emulators
Accurate representation of land-atmosphere feedbacks is essential for improving the predictive skill of Earth system models on policy relevant timescales. A key component of these…
A Rigorous Perturbative Analysis of Quasi-Normal Modes in Schwarzschild Spacetime: Mathematical Framework and Astrophys…
We present a comprehensive mathematical analysis of quasi-normal modes (QNMs) of Schwarzschild black holes, deriving from first principles the governing equations for linearised g…
Validation of Ionospheric Models at Mid- and High-Latitudes: Climatological Performance of WACCM-X (SD) and TIE-GCM in …
Modelling the high-latitude ionosphere-thermosphere system is imperative to understanding the impacts of space weather on modern technology, such as communications and navigation …
Spatial and Temporal Variability in Global River Slopes from the Surface Water and Ocean Topography (SWOT) Satellite
River water surface slope (WSS) is fundamental for hydrologic, hydraulic, and geomorphic modeling. Unlike channel bed slope, often treated as short-term stationary, WSS varies dyn…
Contraction of the Maximum-Rain Radius in Intense North Atlantic Tropical Cyclones
Tropical cyclone (TC) precipitation response to climate change has earned considerable research attention but still has significant uncertainty. This study investigates the North …
Turbulence Anisotropy and the Roughness Sublayer in diverse Canopy Flows: a pathway for generalization
Turbulent exchanges within the atmospheric surface layer (ASL) are influenced by the presence of canopies and terrain heterogeneity. Because the roughness sublayer (RSL) connects …
Constraining Surface Velocity Estimations of Debris-Covered Glaciers in Eastern Hellas, Mars, with a New 3D SHARAD Rada…
Debris-covered glaciers (DCGs) are viscous flow features found in the middle latitudes of Mars that preserve ice accumulated during obliquity changes in the Amazonian. Previous st…
Evaluating Downscaled Climate Models for Hydrological Applications in the Mississippi River Basin
Precipitation projections are routinely used to drive hydrological models for water resources planning and management. Because simulated river discharge can hide critical biases i…
Geometric representation of rivers and lakes in hydrologic models: a review
An accurate representation of river and lake geometry is crucial for hydrologic modeling, influencing simulations of water storage/discharge, flood routing, and inundation extent.…
Shaping Subsurface Water Storage Dynamics: Climatic, Topographic, and Geologic Controls in Forested Headwater Catchments
Understanding how catchments regulate water storage dynamics is crucial for predicting hydrological responses to environmental change. These dynamics unfold within the critical zo…
On the Effects of the Solar Wind Structure in the Global Distribution of $dB_H/dt$ Spikes During Geomagnetic Storms
Variations in solar wind, particularly those associated with interplanetary coronal mass ejections (ICMEs) and high-speed streams (HSSs), directly disturb the Earthâ€{trade mark, …
Ecohydrologic Processes Modify Urban Rainfall Intensification in Land-Atmosphere Simulations
Ecohydrologic processes change urban water and energy cycles, influencing convective rainfall. Coupled land-atmosphere models, however, lack the ability to represent urban ecohydr…
Sulfur, soot, and salt tracks: How good are ship tracks as analogues for marine cloud brightening?
Aerosol-cloud interactions exert a strong but highly uncertain negative radiative forcing, masking current greenhouse gas-driven warming and obscuring our ability to estimate futu…
Impact of upper-level warming on tropical cyclone intensity
Deep convection from tropical cyclones (TCs) can reach the height of the tropopause and as such an interaction between the upper troposphere and lower stratosphere is likely to oc…
Modeling Rainfall Drop Size Distribution Moments using an S-Band Polarimetric Radar in Complex Terrain
Extreme rainfall is fundamentally driven by microphysical processes aloft, which can be strongly influenced by complex terrain. The 2022 Prediction of Rainfall Extremes Campaig…
The influence of cloud-radiation interactions in the diurnal cycle of tropical oceanic deep convection in the East Paci…
While recent studies have underscored the importance of cloud-radiation interactions (CRIs) for the general behavior and evolution of tropical deep convection, their relative impa…
Advancing 9-Month Hydrologic Forecasts for Large Transboundary Basins: A Case Study in the Great Lakes Region
Hydrologic forecasting in large, transboundary basins such as the Laurentian Great Lakes remains a significant challenge due to complex hydrological processes, extensive surface w…
Electron Affinity as a Design Principle for Oxidative Catalysts Based on Birnessite
Birnessite is a layered manganese oxide that acts as a strong oxidant in water treatment, but the controlling electronic factor is not clear. We tested twelve natural and syntheti…
Basin-wide Atlantic Ocean water mass classification and climatic variability from machine learning
Identification of water masses in the Atlantic Ocean is key to understanding large-scale circulation, transport, and mixing processes. However, traditional classification methods,…
Hollow locations within impact craters of different degradation stages on Mercury
Hollows are shallow, irregular-shaped depressions on the surface of Mercury, often surrounded by bright halos, frequently associated with impact craters, that form via the loss of…
Hybrid Go-Based Routing Framework Enhancing RPL for Constrained IIoT Networks
Low-power and lossy networks are widely used in industrial IoT systems, but standard RPL often reacts slowly when links change. This study reports a Go-based routing design that r…
Revealing the Internal Structure of the Rock Glacier - Debris Covered Glacier Continuum from Drone-Based Ground-Penetra…
Rock glaciers (RGs) and Debris-Covered Glaciers (DCGs) are end-members of a continuum of ice-rich landforms found in alpine and polar environments. Although often considered more …
Observation and LES modeling of an offshore atmospheric undular bore generated during sea-breeze initiation near a peni…
A sea-breeze (SB) initiation under land synoptic wind near a peninsula is analyzed by means of LiDAR measurements and large-eddy simulations (LES) using the Weather Research and F…
Along-River and Temporal Variation of Water Column Stability in the Balikpapan Estuary During Spring Tide Based on In-S…
Balikpapan Estuary, a semi-enclosed estuarine system in East Kalimantan, is influenced by tidal forcing and freshwater discharge from surrounding rivers. These drivers regulate st…
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