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Showing 39801 to 39850 of 59105 works

Multi-component Rayleigh wave dispersion analysis for Vs-depth profiling of Glaciers

Seismic ice velocity estimates provide quantitative constraints on glacial systems, including ice thickness, englacial structure, and bedrock topography. Velocity modeling using a…

Assessing Climate and Watershed Controls on Rain-on-Snow Runoff Using XGBoost-SHAP Explainable AI (XAI)

Rain-on-snow (ROS) events significantly impact hydrological processes in snowy regions, yet their seasonal drivers remain poorly understood, particularly in low-elevation and low-…

Reevaluating sedimentary signatures of micro-tidal processes in fluvial-dominated rivers: the Po River (Italy)

In microtidally influenced rivers, tides are generally assumed to leave virtually no signatures in the sedimentary record. However, this hypothesis has been surprisingly poorly te…

A Markov chain Monte Carlo approach for geostatistically simulating mass-conserving subglacial topography

Subglacial topography is critically important for simulating ice-sheet evolution and projecting sea-level contributions. However, the subglacial topography of the Antarctic Ice Sh…

An explainable machine learning prediction system for early-warning of heat stress on Florida’s Coral Reef

Coral reefs are facing increasing threats from rising ocean temperatures, necessitating timely and localized prediction tools to inform reef management and conservation. This stud…

Food security beyond borders: how crop imports affect drought risk of conflict-affected countries

Drought events can disrupt food security and increase the risk of violent conflicts. In an interconnected global food system, countries rely on both local food production and impo…

Assessment of heavy metal contamination in seawater, sediments, and fish tissues from Msimbazi Bay, Dar es Salaam, Tanz…

Heavy metal pollution in marine environments is a growing concern globally due to its potential threats to aquatic ecosystems and human health. Major industrial zones in Tanzania,…

A SEISMIC MOMENT MAGNITUDE SCALE

Theaimofobtaininga single scale for earthquake magnitudes has led many studies in the past to either develop relationships among various existing scales or develop an altogether…

Using Physiography to Understand Stream Network Expansion and Contraction Across Spatiotemporal Scales

Non-perennial streams (i.e., streams that cease flowing regularly across time or space) comprise ~60% of the global river network and play an important role in the physical, chemi…

Fibre-optic exploration of the cryosphere

The icy parts of the Earth, known as the cryosphere, are an integral part of the climate system. Comprehensively understanding the cryosphere, requires dense observations, not onl…

New methods for predicting the start and other features of the UK (Northern Hemisphere) Sporadic E (Es) radio propagati…

The sporadic E mode of propagation is briefly described and reviewed. The question is posed could we ever predict the start and duration of the main propagation season. A new …

Mapping textures of polar ice cores using 3D laboratory X-ray microscopy

Deep ice cores from polar ice sheets enable reconstructions of Earth’s past climate. Ice-core records are therefore crucial for projecting future climate change, however, our abil…

HydroBlox: AI-Assisted Visual Programming Framework for Enhanced Scientific Reproducibility in Hydrology

Scientific workflow reproducibility for hydrological and environmental analyses remains a challenge due to the heterogeneity of data sources, analysis protocols, and evolving visu…

Generative geomodelling: Deep Learning vs. Geostatistics

Generative geomodelling aims to simulate subsurface facies distributions while honoring multiple types of conditioning data and geological knowledge. This study selects three typi…

CO2-Based Leaching of Sulfidic Peridotite Drives Critical Mineral Mobilization and Carbonate Precipitation

The transition towards green energy requires both carbon dioxide removal and consistent supplies of energy-critical minerals. Injection and mineralization of supercritical CO2 at …

Changes in stratiform heating structure due to surface warming weaken and accelerate convectively coupled Kelvin waves

Although stratiform heating plays a crucial role in tropical convective systems, we do not fully understand (1) how stratiform heating would change in response to surface warming …

Satellite-based assessment of methane emissions from the Darvaza gas crater

Methane (CH₄) is one of the most potent greenhouse gases, and the gas-burning Darvaza crater in Turkmenistan is a rare and persistent emitter. There are substantial uncertainties …

Maintenance of convectively coupled Kelvin waves: relative importance of internal thermodynamic feedback and external m…

Previous studies suggest that convectively coupled Kelvin waves (KWs) are likely maintained by two distinct processes: (1) the internal thermodynamic feedback between KW diabatic …

Morphometric Evidence for Cenozoic Intraplate Reactivation in NW Uruguay

Located in eastern South America, Uruguay has been considered tectonically inactive since rifting in the Late Cretaceous. Here, we use a high-resolution digital elevation model (D…

Quantifying tidal impacts on Arctic sea ice: An unexpected mechanism for the regional delay of summer melting

Tides are an important factor shaping the sea ice system in the Arctic Ocean, by altering vertical heat fluxes and advection patterns. Unfortunately, observations are sparse and t…

Land Use, Sustainability, and Democratic Backsliding

Land use and land systems, i.e. how human societies manage and interact with land through social-ecological systems, are at the core of sustainability issues. Democratic backslidi…

Feasibility of Microbial-Induced Calcite Precipitation in soils polluted by hydrocarbons

This study presents an investigation on the potential of biostimulation and bioaugmentation of Microbial-Induced Calcite Precipitation (MICP) in soils polluted by polycyclic aroma…

Deformation, Strains and Velocities for the Alpine Himalayan Belt from trans-continental Sentinel-1 InSAR & GNSS

Surface velocities and strain rates from satellite geodesy have become essential tools for understanding the distribution of tectonic deformation, faulting and seismic hazard. How…

Local Seismicity: Matched Filter Detection Routine with Synthetic Templates using 1D velocity model

This study evaluates the performance of Synthetic Template Matching for seismic event detection in the West Bohemia region (Czechia), comparing it with two established methods: th…

Quantifying lead (Pb) leaching from galvanized handpump spouts, leaded brass taps, and stainless-steel alternatives usi…

Lead (Pb) is a neurotoxin with no known safe level of exposure. Widespread lead contamination has been found in rural groundwater-supplied drinking water systems in low- and middl…

Lead (Pb) contamination in drinking water in low- and middle-income countries: a systematic review and meta-analysis

Lead (Pb) in drinking water causes organ damage, cardiovascular disease, cancers, and lifelong neurological and developmental impairment, disproportionately harming infants and de…

Lagged impacts of groundwater pumping on streamflow due to stream drying: Incorporation into analytical streamflow depl…

Water management often requires accounting for reductions in streamflow caused by groundwater pumping (‘streamflow depletion’). Since streamflow depletion cannot be quantified fro…

Enhancing Local Inclusion in Climate Transparency and Promoting Accessible Energy for Vulnerable Households in Burkina …

Burkina Faso is actively working to establish a climate transparency framework, as required by the United Nations Framework Convention on Climate Change (UNFCCC). This involves de…

Deep Learning for Ionogram Parameter Extraction: A Time-Series Approach to Ionospheric Monitoring

Ionograms provide a direct measurement of the ionosphere’s electron density profile and its irregularities. By examining critical frequencies researchers can identify key paramete…

The Stotfield silcrete (or ‘Stotfield Cherty Rock’), Moray, eastern Scotland: Characterization and discussion of an ar…

We describe and discuss a lithic raw material new to Scottish prehistoric research: the Stotfield silcrete or Stotfield Cherty Rock. This material was well-known to Scottish geolo…

Strengthening ITF and Weakening AMOC: Time Series Evidence of Trends and Causal Pathways to Agulhas Variability

Multi-decadal observations of major ocean circulation systems reveal contrasting trends and complex inter-basin connectivity patterns that challenge traditional conceptualizations…

Predictability and randomization of surface air temperature chaotic dynamics

The surface air temperature daily records at the land-based locations with different climate conditions (from the Arctic to Patagonia) have been studied on the daily to intraseaso…

Instantaneous State InSAR: Estimation and Prediction for Near Real-Time Displacement Monitoring

Urban resilience and decision-making rely on continuous monitoring of key safety indicators. The increasing availability of interferometric synthetic aperture radar (InSAR) observ…

Sediment storage quantification in the Black Forest highlights tectonic influence on typically wide and shallow valleys

Quantifying sedimentary volumes in mountain valleys can not only enhance our understanding of Quaternary valley evolution and river dynamics but also yield critical insights into …

Putting the Meteors back in Meteorology

The effects of three extra-terrestrial drivers on UK weather and short-term climate are considered namely, meteor showers, solar flux and GCR on the interdecadal climate in t…

The 1993 Jerzmanowice event in Poland and the 1908 Tunguska event

This paper is a continuation of a series of works, devoted to various aspects of the 1908 Tunguska event. In this paper its author would like to draw attention to the phenomenon …

Operational Flood Forecasting System in Denmark – Integrating Groundwater and Surface-water

Most operational flood forecasting systems provide predictions of pluvial and fluvial floods, often neglecting groundwater flooding. Groundwater-induced floods can occur when prol…

Development and Performance Evaluation of a WT-LSTM Hybrid Model for Global Land Meteorological Drought Prediction

In recent years, droughts have become increasingly frequent worldwide, leading to issues such as reduced agricultural yields and ecological degradation in various regions. To miti…

Chapter 3.2 - Distributed Volcanic fields

Distributed volcanic fields are typically low magma-flux systems, and occur in every tectonic setting. Their volcanoes are typically but not exclusively small-volume (≤1 km3 of ma…

Curved fault slip captured by CCTV video during the 2025 Mw 7.7 Mandalay earthquake

On-fault geological observations from surface breaking earthquakes typically contain curved slickenlines, suggesting fault slip is curved. However, slickenlines commonly record on…

IMPACTS OF LAND-USE CHANGES ATTRIBUTED TO DISCHARGE LEVEL OF MAHA OYA RIVER BASIN, SRI LANKA

River discharge in tropical regions are driven by both rainfall and land-use changes. This study quantifies how land-cover change and altered rainfall regimes have affected discha…

Hellenic Arc tsunami generation from Mw8+ 3D margin-wide dynamic rupture earthquake scenarios

The Hellenic Arc subduction zone is the most seismically active region in the Mediterranean, capable of generating large earthquakes and tsunami. Given the proximity of densely po…

Unraveling the effect of convergence obliquity on overriding-plate deformation and strain partitioning in subduction zo…

The subduction of an oceanic plate causes deformation of the overriding plate, from the forearc to the back-arc regions. Over years, to address the physical controls on such a def…

Simple solar system measurements indicate a weaker than expected relevance of Carbon Dioxide to present day earth temp…

Recent and newly discovered causes of global warming are discussed especially in the context of lower relevance to CO2. Heat transfer mechanisms are discussed. The link between co…

Separate sectoral decarbonization policies accelerate climate action but could jeopardize key sustainability targets

The Paris Agreement grants countries flexibility in designing their pathways to net-zero emissions, yet most have focused on economy-wide, cost-effective approaches without clearl…

Gamified Learning for Sustainable Eating: Exploring the Role of Prior Knowledge and Readiness to Change

Background: Dietary habits play a central role in the transition toward a more sustainable food system. However, many consumers lack an understanding of the principles of sustaina…

A century of flow and surge history of Sít’ Tlein(Malaspina Glacier), Southeast Alaska

Sít' Tlein (Malaspina Glacier), located in Southeast Alaska, has a complex flow history. This piedmont glacier, the largest in the world of its kind, is fed by three main tributar…

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