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Showing 21751 to 21800 of 22070 works

Strengthening the Data Lifecycle at Sea: Community Strategies for Usable, Shareable, and Impactful Submersible Data

A recent multi-day workshop, co-convened by Schmidt Ocean Institute (SOI), Woods Hole Oceanographic Institution’s(WHOI) National Deep Submergence Facility (NDSF), and the Marine G…

Imaging Crustal Structure Beneath the Carpathian-Panonnian Region Using Ambient Noise Tomography

The Carpathian–Pannonian Region (CPR) is one of the most seismically active areas in Central Europe, as evidenced by destructive events such as the Mw 7.7 Vrancea earthquake of 19…

The Influence of Tropopause Temperature Biases on Climate Model Simulations of Tropical Cyclones

Potential intensity (PI) is a key indicator for tropical cyclone (TC) activity, yet it exhibits considerable variability across global climate model (GCM) simulations, even with i…

Moist Thermodynamic Processes Leading to the Onset of Moist Tropical Heat Waves

The plume buoyancy framework used in previous work is applied to understand the processes leading to moist tropical heat waves (HWs). Lag composite analysis applied to four region…

Enhanced Earthquake Rupture Jumping Distance Across Step-Overs with Pull-apart Basin: Insights from Observation-Constra…

Pull-apart basins (PABs) commonly develop within extensional step-overs along strike-slip faults, but their effect in determining rupture behaviors across step-overs remains obscu…

Seismically-induced rock damage along ultra-slow spreading ridges: consequences for serpentinization

Recent studies have recorded numerous small earthquakes in the rock volume surrounding mid-oceanic ridges, where serpentinization occurs. Sustained serpentinization of peridotite …

Exploring air–sea interactions in a regional weakly coupled data assimilation system: An observing system experiment fo…

We examined air–sea interactions in a weakly coupled ocean–atmosphere data assimilation (DA) system by performing an observing system experiment (OSE). The OSE is performed for th…

Melting Glaciers and Warming Seas – Global Latent Heat of Fusion, Radial Momentum, and Impulse-Driven Step Increases in…

The rise in global mean sea level approximates integrated planetary warming, with the proviso that the pace of glacial melting is out of equilibrium with global warming. Strength …

Laboratory use of a Closed-Path "Industrial Emissions" FTIR Spectrometer for High-Concentration Sampling of Biomass Bur…

Biomass burning emissions factors (EFs) are essential for understanding the impacts of landscape fires on Earth’s atmosphere, air quality, and climate. Here we develop and evaluat…

Hidden ultralow velocity zone beneath paleoslabs near the core-mantle boundary

The interaction between subducted slabs and the core-mantle boundary (CMB) is critical for understanding lower mantle heterogeneity. Here, we investigate a localized ultralow velo…

India’s Leadership in Natural Farming Research: A Bibliometric Analysis

Natural Farming has emerged as a climate-resilient agriculture practice and is popularizing not only in India but also around the world. Researchers considered this a low-cost pra…

Airborne observations reveal underestimated riverine methane emissions across the Amazon

Strongly increasing trends in global methane in recent decades highlight the importance of understanding source-sink attributions and climate feedback mechanisms, especially for l…

Local Surface Wind Sensors Complementing Radio-Networked Smoke Sensors for Public Air Quality Insights at Prescribed Bu…

In light of increasingly frequent and severe wildfires over the past decade, the state of California intends to significantly scale up the use of prescribed fires and other contro…

Quantitative Assessment of Geographic Control of December Solstice EIA Crest Shifts Over Southeast Asia Under Low Solar…

This study quantitatively assesses the drivers of the Equatorial Ionization Anomaly (EIA) morphology and latitudinal shifts over Southeast Asia during the December solstice. We us…

Multi-Scale Controls on Diurnal Convection in theMaritime Continent: Insights from High-Resolution Observations in Timi…

This study examines the interplay between the diurnal cycle of precipitation over Timika, southern Papua, and local land-sea breezes and large-scale drivers. The diurnal cycle is …

Proglacial lakes substantially modulate the surface mass balance of deglacial ice sheets

During the last deglaciation large proglacial lakes formed at the base of retreating ice sheets, retaining a cold surface during summer due to iceberg calving and meltwater inflow…

Intermittency buildup across precipitation cascades: Endogenous versus exogenous factors

The temporal variability of precipitation originates from the multiplicative effects of air uplift and vapor-to-liquid conversion. The latter is commonly represented by a product …

Estimating net sediment fluxes in tidal systems using sporadic datasets: Implications for using remote sensing to asses…

Sediment budgets are diagnostic of saltmarsh resilience, yet quantifying net sediment fluxes remains constrained by limited, asynchronous observations of suspended sediment conc…

Rainfall recharge thresholds vary seasonally across multiple climate types

 Annual rainfall recharge thresholds (RRT) were not statistically significant between sites spread across diverse climate types.  Seasonality was pronounced; at winter-wet sites…

Design and Implementation of an Automated Safety Control System for the Jocelyn Bell Burnell Radio Telescope

Large parabolic antennas used in radio astronomy are mechanically vulnerable to high wind loads, which can compromise both structural integrity and pointing calibration. We presen…

Arsenic speciation and distribution in the Dongarhagrh-Kotri region, Chhattishgarh, Central India

Arsenic contamination in groundwater poses a major global health concern, with prolonged exposure linked to severe adverse health effects. The toxicity and mobility of arsenic dep…

Cirrus and PBL Height Climatology and the Potential Effects of Cirrus on PBL Height in Metro Manila using Ground-based …

We investigate the radiative impacts of tropical cirrus on the planetary boundary layer height (PBLH) over a polluted urban site at Manila Observatory (14.64°N, 121.08°E), Philipp…

Formation Of Compact Aggregate Piles On A Surface Through Horizontal Energy Dissipation

Accumulation of dust on the Lunar and Martian surfaces plays a critical role in both surface evolution and human exploration efforts, limiting equipment lifetimes and obscuring op…

A Regression Framework for Spatial Downscaling of NASA GEOS-CF PM2.5 Predictions Using Satellite Observations, Spatial …

High-resolution estimates of fine particulate matter (PM2.5) are crucial for exposure assessment and public health, yet in much of the Global South, monitoring is sparse, and glob…

Evidence of a Storm-induced Plasma Stream Engulfing the Super Bubble during the 1 December 2023 magnetic storm

During the main phase of the 1 December 2023 geomagnetic storm, a super equatorial plasma bubble (EPB) was observed to occur and develop in the East/Southeast Asian sector, causin…

Development of the TCWA2 Bulk Cloud Microphysics Scheme and Its Integration with a Dual-Polarization Radar Operator for…

This study presents the development and evaluation of TCWA2, a double-moment bulk cloud microphysics scheme designed for weather forecasting that incorporates radar observations a…

Linkage between atmospheric rivers and overshooting convection and their roles on UTLS water vapor during the North Ame…

Overshooting convection significantly impacts the composition of the upper troposphere and lower stratosphere (UTLS), yet its linkage to Atmospheric Rivers (ARs) remains poorly un…

The Evolution of Tropical Cyclone Intensity and Size in Observations and HighResMIP Models

The destructive potential of a tropical cyclone (TC) depends on both its intensity and size, yet the coupled evolution of these properties remains insufficiently explored. This st…

Sensitivity of Melt Energy of the Greenland Ice Sheet to Changes in Spatially Variable Ice-Surface Roughness Derived fr…

The objective is to demonstrate that spatially variable ice-surface roughness is an important, and so-far overlooked, component of melt processes in the Greenland Ice Sheet (GrIS)…

Hydrogeological Characteristics of the Namdock Coal Mine Area and an Evaluation Method for Water Inflow Prediction Usin…

Water inrush is a critical geological hazard restricting safe and efficient mining operations in the Namdock Coal Mine, which is situated in a complex hydrogeological setting with…

Analytical Poroelasticity of Stratified, Partially Saturated Soils under Constant Surface Stress: A Two-Layer Model

Stratified sedimentary deposits inherently exhibit pronounced heterogeneity, which critically governs their coupled hydraulic and mechanical responses to external loading or pore …

Frequency-domain Airborne Electromagnetic Imaging of Permafrost Reveals Heterogeneity and Drivers of Permafrost Change …

Northern permafrost landscapes are undergoing rapid warming and thaw, yet the three-dimensional subsurface structure that governs thaw vulnerability and landscape response remains…

Spatial Heterogeneity and Inhomogeneity of Cirrus Microphysical Properties on Kilometer Spatial Scales

Previous studies reporting the spatial inhomogeneity and heterogeneity (often used interchangeably) of cirrus cloud properties have primarily been case studies derived from relati…

Bridging Ice Crystal Evolution and Ice Flow Through a Multiscale Model

Predicting future changes in ice sheet dynamics requires a robust understanding of how polycrystalline ice deforms under different mechanical and thermal conditions. Current ice-d…

Diagnosing Submesoscale Divergence from Sea Surface Height

• We develop a new method to diagnose divergent motions from SWOT observations at the submesoscale. • Our approach blends dynamical balance with a data-driven regression model val…

An idealized two-dimensional atmospheric model of the Quasi-Biennial Oscillation and wave-mean flow interactions in the…

The quasi-biennial oscillation (QBO) is a fundamental mode of atmospheric variability and a textbook example of wave-mean flow interactions. While its general theory has been esta…

Indo-Gangetic Plain experiences higher aerosol pollution than North China Plain despite lower emissions

We investigate the spatiotemporal dynamics of aerosol pollution in the Indo-Gangetic Plain (IGP) and the North China Plain (NCP), two of the world's most populated regions, agains…

High-throughput AI Video Surveys Enable Reproducible Multiscale Sediment Size Mapping, with Implications for Hydrobioge…

Sediment size regulates flow resistance, sediment transport, stream–groundwater exchange and microbial respiration, yet its distributions remain poorly mapped at scales relevant t…

Entrainment-based framework for understanding extratropical moist heat extremes

In summer, the atmosphere over extratropical continents is close to moist convective neutrality, whereby near-surface moist static energy, MSEs, is tightly constrained by free-tro…

A Machine Learning Approach to Urban Heat Island Analysis in Multi-Unit Developments

Rapid urban population growth has led to the vertical urbanisation and expansion of multi-unit buildings in cities across the globe. At the same time, climate change, as one of …

SLAMS-2.0: a Stochastic, Lagrangian Aggregate Model of Sinking Particles for the Ocean’s Biological Carbon Pump, versio…

Sinking biogenic particles drive the ocean biological carbon pump by transferring carbon from the surface ocean to depth, yet the processes governing their formation, transformati…

Inverting InSAR Observations to Estimate Basal Melt Rates: A Grounding-Line Response Function Approach

The grounding line hinge position for the Fimbul Ice Shelf (Antarctic Peninsula) was determined using Synthetic Aperture Radar (SAR) Interferometric data from June 2023 through Oc…

Atmospheric drivers of basin-wide geostrophic transport in the Atlantic

The Atlantic Meridional Overturning Circulation (AMOC) is the overall effect of basin-wide meridional transport in the Atlantic, and is a central component of the climate system. …

Freshwater-induced surface cooling of the subpolar North Atlantic in a large-ensemble, high-resolution, coupled model

As a gateway between the Arctic and subtropics, the subpolar North Atlantic plays a key role in large-scale climate variability. In recent decades, the region has experienced pron…

Probing subsurface properties with mission hardware: lessons learnt from artificial impacts of Mars 2020

Hardware released during spacecraft entry can generate hypervelocity impacts that provide unique constraints on planetary subsurface properties. During NASA’s Perseverance descent…

Sea states with enhanced rogue wave probabilities: Observations from wave buoys in UK coastal waters

Rogue waves are relatively large, surface gravity waves that pose significant risks to maritime safety, offshore infrastructure, and coastal environments. The development of a rel…

Flood Estimation under Snowmelt and Rain-on-Snow Processes in Alaska: A Military Installation Perspective

Accurate flood estimation in snow-dominated and high-latitude regions remains challenging due to complex interactions among rainfall, snowmelt, and rain-on-snow (ROS) processes, w…

UEPI-R Solar Flares: Real-Time Early Warning for M and X-Class Events Using Causal Regime Detection on GOES XRS Data

We present UEPI-R Solar Flares (Universal Early Pre-Ignition-Regime), a real-time early warning system for M-and X-class solar flares. Unlike most forecasting systems, which rely …

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