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Showing 4451 to 4500 of 5157 works

Closure of Constraints in the Earth System: Biogeochemical Cycles and Planetary-Scale Biological Organisation

The concept of closure of constraints has been developed as a characterization of the distinctive causal regime at work in biological systems. Its extension to ecological systems …

First Characterisation of P-band Scattering Mechanisms from Orbit in Lower Shire Valley, southern Malawi, using ESA Bio…

The European Space Agency (ESA) Biomass mission provides the first spaceborne fully polarimetric P-band synthetic aperture radar (SAR) observations in orbit. Here, we report the f…

Aerosol Removal and Solar Decline Drive Post-1980 Surface Warming Acceleration

Standard climate models do not fully reproduce post-1980 surface warming acceleration. Two forcing pathways explain the gap: Western clean air legislation progressively removed in…

The 2025 𝑀𝑤 7.1 Tingri (South Tibet) Earthquake: Rupture of Normal Conjugate Optimally Oriented Faults, Shallow Coseism…

On 7 January 2025, a magnitude 7.1 earthquake struck Tingri County at the south of the Tibetan Plateau, China, producing widespread damage in the Lhatse-Sa'gya-Tingri region and a…

Design Rationale of the JcupLT Coupling Library: Lessons Learned from Jcup Development and Applications

Coupling libraries are essential infrastructure for multi-component simulations in weather, climate, and earth system modeling. Jcup is a coupling library developed since 2007 and…

A nearly 1.5 millennia long record of North Atlantic climatic forcing recorded in tree-ring growth records from Angstel…

The impact of multi-annual to decadal climatic cycles on tree-ring growth remains understudied. Here, we analyse a nearly one-and-a-half-thousand-year-long tree-ring chronology (1…

Survey Protocol Cards for Crop Maps

Crop type maps underpin food security decisions yet their accuracy depends on label quality, which in turn depends on survey design choices made under tight budgets. Survey planne…

Multi-Sensor Monitoring of Wetland Inundation Using a Machine Learning and Data Fusion Framework

Continuous, high-resolution inundation data are needed to understand how small-scale, short-term wetland flooding influences global methane emissions and carbon cycling. Small (le…

Spatial Assessment of Urban Flood Vulnerability in Polk County, Iowa Using a Social–Ecological–Technological Framework

Flood impacts are shaped not only by environmental or economic consequences but also by the social, ecological, and infrastructural conditions that influence how communities exper…

The Anthropocene as a Multi-Level Stability Landscape Regimes, Transitions, and Reorganization of the Human–Earth System

Understanding the evolution of the human–Earth system over decadal-to-centennial timescales remains a central challenge in Earth system science. The Anthropocene is commonly descr…

Multidisciplinary perspectives on Shishaldin Volcano: an open-system, deforming volcano

The integration of multidisciplinary data across multiple eruptions is essential to improve our understanding of a volcanic system. Shishaldin Volcano is one of the most active vo…

Meteorological Drought Magnitude, Duration, and Intensity in the Past and Future Climate of Eastern Tigray, Northern Et…

Drought assessment is a critical component of risk management in the comprehensive analysis of drought impacts. This study assessed the meteorological drought events under the pas…

Analysis of Orbit Determination Error Impact on Clutter Doppler Frequency for Space-Based Early Warning Radar

The accuracy of clutter Doppler frequency in space-based early warning radar (SBR) directly determines moving target detection performance, and satellite orbit determi-nation erro…

Poor environmental conditions, food and water insecurity, neighborhood perceptions, and self-reported physical and ment…

Emerging evidence suggests an association between environmental conditions and mental well-being. While the physical health impacts of environmental exposures such as contaminated…

A simple model for wind-driven ocean circulation in unbounded domains

An idealized barotropic model satisfying a Stommel–type vorticity balance is formulated for wind–driven circulation in a zonally unbounded channel with spatially varying bottom dr…

Dilution drives deep degassing of sulfur in hydrous magmas

Sulfur (S) is thought to degas deep from hydrous magmas (e.g., arc basalts), in contrast to water-poor magmas where S degasses at very shallow depths (e.g., Kīlauea, mid-ocean rid…

A new diagnostic of air-sea interaction reveals ocean control of turbulent heat flux in the South Asian Summer Monsoon

Air-sea interaction plays a central role in the South Asian summer monsoon, with processes such as surface turbulent heat fluxes, upper ocean mechanical mixing, surface buoyancy f…

Stress testing insurance market stability under climate risk

Climate change, urban development, and evolving insurance markets threaten the stability of disaster-risk financing. Homeowners insurance is embedded in a layered network of reins…

First Empirical Measurement of k G on Mars via InSight/ELYSE Seismic Data: A Two-Planet Validation of the Gasque Compli…

We present the first empirical measurement of the Gasque compliance index k G = π × f₀ / (Q × V s ) on Mars, using 8.3 GB of InSight/ELYSE broadband seismic data (XB network, 2019…

Platinum-Group Element systematics in the North Atlantic Igneous Province: new insights from Northern Irish and Irish m…

The North Atlantic Igneous Province (NAIP) is one of the most prospective regions for Ni-Cu-Platinum-Group Element (PGE) mineralisation in Europe, and recent studies have discover…

Nickel Isotope Systematics in the Talvivaara Paleoproterozoic Black Shale Deposit Reveal Mineralogy-Controlled Fraction…

Nickel isotope systematics in sediment-hosted sulfide deposits are now more commonly used to infer redox and diagenetic processes, yet their potential to record biological signals…

Forward-Only Temporal-Coherence Occupancy Regimes in Atlantic Tropical Cyclone Intensity Evolution (1851–2024)

Rapid intensification (RI) remains one of the most consequential and difficult-to-characterize aspects of tropical cyclone intensity evolution, commonly defined as an increase in …

Rethinking land take futures: A cellular automata-based spatial planning approach to model urban expansion and densific…

Land take - the conversion of greenfield land into built-up areas - poses critical challenges for sustainable urban development. Addressing this issue requires understanding the b…

Repurposing enhanced rock weathering for brownfield cleanup: a practical carbonate–silicate remineralization method for…

Brownfield, mining-impacted, urban fill, and legacy agricultural sites often contain cationic metals concentrated in shallow soil horizons, where they sustain direct-contact, dust…

Variation in Dissolved Oxygen Levels Between Agricultural and Protected Streams in Loudoun County, Virginia

Agricultural runoff can reduce dissolved oxygen (DO) in streams and increase the risk of hypoxia for aquatic organisms. We monitored four streams in Loudoun County, Virginia for f…

Bayesian Calibration of dynamic models of earthquake sequences using observations from past large earthquakes

Physics-based models of the earthquake cycle could be used for time-dependent hazard assessment. For such an application, their parameters must be calibrated so that simulated ear…

k G as a Passive Lithological Compliance Index Derivation from Independent Spectral Residuals and Validation across Sev…

We present k G = π × f₀ / (Q × V s ) as a passive lithological compliance index measurable from ambient seismic noise without drilling or active sources. The fundamental frequency…

A Global Catalogue of Lunar Topographic Prominence ≥ 1 km

We present the Lunar Ribus Database, a global catalogue of lunar summits with topographic prominence ≥1 km derived from the highest-resolution global and regional digital elevatio…

Chitosan-Modified Loofah Scaffold for Sustainable Microplastic Removal from Water

The global accumulation of over 400 million tons of plastic waste annually has intensified the growing crisis of micro- and nanoplastic (MNP) contamination in natural and drinking…

From Impact Chains to Decision-Support: Designing CRISP, a Climate Risk Planning Tool for Agri-Food Systems

Systematically integrating climate risk considerations into development planning remains a persistent challenge, particularly where a lot of information needs to be gathered and p…

Mercury

Data from the Mercury Surface, Space Environment, Geochemistry and Ranging (MESSENGER) spacecraft, the Mariner 10 spacecraft, and decades of ground-based observations have reveale…

Seventeen city types define distinct pathways for climate mitigation and adaptation worldwide

Understanding that cities are main arenas of climate action, it remains unclear which cities should focus on what kind of action taking a global comparative lens. Recent contribut…

Water Health: Testing and Determining Health of Local Bodies of Water

Ponds and rivers represent distinct aquatic ecosystems characterized by significant differences in size, flow, and water quality metrics through pH, salinity, total dissolved soli…

Injecting vegetation-based spatialization in the hydrogeological framework for erosion modelling

Erosion processes and landslide are widespread across Italy and frequently cause significant damage to people, infrastructure, and ecosystems. These processes are primarily trigg…

Hyperlocal Seismic Soil Characteristic Measurements for Unexploded Ordnance Detection

Explosive Remnants of War (ERW) range from small plastic landmines to unexploded cannon shells to bombs that weigh hundreds of kilograms. They kill and maim thousands of people ea…

Spatial Patterns in Dissolved Inorganic Nitrogen Along a Newly Constructed Stream Corridor in Loudoun County, Virginia

Nutrient enrichment remains a persistent driver of water quality impairment throughout the Potomac River and Chesapeake Bay watershed, motivating localized stream restoration effo…

A LASSO-based reduced-form CMAQ model for predicting ozone and PM2.5 responses to emission changes in South Korea

Reduced-form models of the Community Multiscale Air Quality Modeling System (CMAQ) enable efficient prediction of air quality responses to emission changes. In this study, we deve…

City-level temperature reduction from street green space by city typology and climate zone

Vegetation in the street can lower temperatures at neighbourhood level and reduce heat stress for pedestrians. Street green spaces (SGS) is thus an urgently needed nature-based so…

MonteCarlo Biphasic Estimation of Fire Properties (McBEF): Part II, Night-time VIIRS Implementation

This study presents the application and global evaluation of the Monte Carlo Biphasic Estimation of Fire Properties (McBEF) algorithm using nighttime observations from the Visible…

MonteCarlo Biphasic Estimation of Fire Properties (McBEF): Part I, Algorithm formulation

Sub-pixel fire characterization is essential for quantifying wildfire energetics, combustion phase dynamics, and their atmospheric impacts from satellite observations. This study …

Global warming strengthens atmospheric ducting

Atmospheric ducts (ADs) provide efficient electromagnetic wave channels for beyond line-of-sight (BLOS) propagation and can serve as a sensitive diagnostic factor for the change o…

Spatial-Temporal Assessment of Natural Disaster Losses Using Comb- ined AHP-Entropy Weight Method: A Case Study of Jian…

The Disaster Situation Index (DSI) serves as a crucial method for natural disaster loss assessment. However, the weight determination in existing assessment practices is character…

Building a representative UAV RGB reference dataset for national-scale satellite mapping of invasive goldenrods (Solida…

Reliable wall-to-wall mapping of invasive plants from satellite imagery depends on representative reference data and transparent quality control. Here we present a nationally dist…

A snag for nutrient fertilization: decoupled production and export

Interest in nutrient fertilization waned after inconclusive field experiments, but has resurged. Collating Southern Ocean \textit{in-situ} observations and available fertilization…

The Oceanic Response to Winds in the Antarctic Sea Ice Loss at the end of the 1970s

The sea ice extent (SIE) in the Southern Ocean experienced a substantial decline in the late 1970s, although less pronounced than the one observed in 2016. Though several studies …

SPATIAL SPARSITY AWARE EXPLAINABLE DEEP LEARNING-BASED LANDSLIDE SUSCEPTIBILITY MAPPING: APPLICATION TO A HILL DISTRICT…

Landslide susceptibility mapping is a critical disaster risk management tool in mountainous regions, particularly in developing countries and in regions where development is ongoi…

No place to hide? Regional resilience and vulnerability to global catastrophic risk

What places on Earth are most resilient to global catastrophic risk (GCR)? We provide the first study of what locations are more resilient against the impacts of nuclear war, near…

Seismic and infrasound signals from the 2023 explosive eruption sequence of Shishaldin Volcano, Alaska

Shishaldin Volcano, Alaska erupted in 2023 with 13 explosive paroxysms over a 4 month period, producing notable seismic and low frequency acoustic (infrasound) signals recorded on…

Satellite Validation of Citizen Science Marine Pollution Data: Multi-Site Correlation Analysis of Sentinel-2 Floating D…

We present the first multi-site correlation analysis between the Sentinel-2 Floating Debris Index (FDI) and community-reported marine pollution data from the EyeSea citizen scienc…

Machine Learning Based Alum Dosing Optimization for Adaptive Water Quality Management in Treatment Plant

Ensuring safe and cost-effective water purification remains a critical challenge, particularly for large natural water bodies like the Halda River, where water quality parameter…

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