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Showing 1901 to 1950 of 5157 works

Asperity-like (segmented) structure of the 6 February 2023 Turkish earthquakes

Key to studies of the rupture process is the identification of its major segmentation into asperities. Common multi-parametric methods invert for a continuous slip distribution; t…

Aquifer depletion exacerbates agricultural drought losses in the US High Plains

Aquifer depletion poses a major threat to the ability of farmers, food supply chains, and rural economies globally to use groundwater as a means of adapting to climate variability…

Single Column REE Separation and Radiogenic 143Nd/144Nd Analysis without Sm Elimination

A single column separation method has been developed for the determination of radiogenic 143Nd/144Nd ratios for natural geological samples. Conventional radiogenic Nd isotope rati…

Tropical or extratropical cyclones: what drives the compound flood hazard, impact, and risk for the United States South…

Subtropical coastlines are impacted by both tropical and extratropical cyclones. While both may lead to substantial damage to coastal communities, it is difficult to determine the…

A Novel Heuristic Method for Detecting Overfit in Unsupervised Classification of Climate Model Data

Unsupervised classification is becoming an increasingly common method to objectively identify coherent structures within both observed and modelled climate data. However, in most …

Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence

Various earthquake models predict that aseismic slip modulates the seismic rupture process but actual observations of such seismic-aseismic interaction are scarce. We analyze seis…

Evaluating methane emission quantification performance and uncertainty of aerial technologies via high-volume single-bl…

Methane (CH4) from oil and gas (O&G) activities is a known contributor to global anthropogenic methane emissions and recent research has demonstrated that a small fraction of larg…

Steady decline in mean annual air temperatures in the first 30 ka after the Cretaceous-Paleogene boundary

The Cretaceous-Paleogene (K-Pg) boundary marks one of the five major mass extinctions of the Phanerozoic. How the climate system responded to a bolide impact and extensive volcani…

Addressing Tidal Flooding Induced uncertainties in Satellite Derived Global Salt Marsh Change Studies: Impact on Blue C…

In the past few years, it has been established that remote sensing of wetlands change analysis studies would require careful examination of tidal flooding produced uncertainties i…

Equality, Diversity and Inclusivity: Report of a survey of its members and others by the Mineralogical Society of the U…

During its November 2020 Council meeting, the Mineralogical Society decided to conduct a survey of its members and others to assess views on equality, diversity and inclusivity (E…

Data-driven placement of PM2.5 air quality sensors in the United States: An approach to target urban environmental inju…

In the United States, citizens and policymakers heavily rely upon Environmental Protection Agency (EPA) mandated regulatory networks to monitor air pollution; increasingly they al…

Operationalizing an open-source dashboard for communicating results of wastewater-based epidemiology

COVID-19 saw the expansion of public health communication tools to manage and inform the pandemic as it evolved. While the utility of these tools is important in and of itself, it…

Glacier projections sensitivity to temperature-index model choices and calibration strategies

Glacier models contribute significantly to the uncertainty of glacier change projections. In this study, we focus on temperature-index mass-balance (MB) models and their calibrati…

A method for the measurement of seismic attenuation in polar firn

We present seismic measurements of the firn column at Korff Ice Rise, West Antarctica, including measurements of compressional- and shear-wave velocity and attenuation. We describ…

The Digital Environmental Footprint - a holistic framework of Digital Sustainability

This paper examines the different ways in which the Information and Communications Technology (ICT) sector negatively affects the environment. To capture environmental externaliti…

Multi-scale rupture growth with alternating directions in a complex fault network during the 2023 south-eastern Türkiye…

A devastating doublet of earthquakes with moment magnitude Mw 7.9 and Mw 7.6 earthquakes contiguously occurred in SE Türkiye near the NW border of Syria. Here we perform a potency…

Evaluating Clean Water Act progress drivers for Idaho rivers and streams 2002-2022

In the United States, the Clean Water Act (CWA) is the primary legislation driving surface water quality management. Its goal is to “restore and maintain the chemical, physical, a…

The Earth4All model of human wellbeing on a finite planet towards 2100

In the following pages, we give a short introduction to a new integrated global assessment model: The Earth4All model of human wellbeing on a finite planet towards the year 2100. …

Fractures and faults across intrusion-induced forced folds: a georesource perspective

Intruding magma can create space by uplift and elastic bending of the overburden, which locally fractures the deforming volume and produces dome-like forced folds. Due to their ge…

Effects of concentrated and intense heavy rain on phreatic eruptions ~Based on a case study of the phreatic eruptions o…

"This paper is a non-peer reviewed preprint submitted to EarthArXiv" For humans living in an economic zone adjacent to volcanoes, the reality of unpredictable eruptions is a const…

Seasonal and annual tropical river pattern change detection using machine learning

Rivers in the tropics are more likely to exhibit seasonal changes in pattern than those in temperate regions because of strongly seasonal rainfall. However, such changes in season…

Large variation in Mekong river plastic transport between wet and dry season

Plastic pollution in rivers is of increased global concern. Rivers act both as pathways for land-based plastic waste into the ocean, and as plastic reservoirs for long-term retent…

A new, global optical sediment trap calibration

Autonomous sensors for gravitational carbon flux in the ocean are critically needed, because of uncertainties in the projected response of the biological carbon pump (BCP) to clim…

Rapid seaward expansion of seaport footprints worldwide

As global maritime traffic increases, seaports grow to accommodate and compete for higher volumes of trade throughput. However, growth trajectories of seaport footprints around th…

Extrapolation-based regionalized re-evaluation of the global estuarine surface area

At the interface between the continental and oceanic domains, estuaries are essential components of the land–ocean aquatic continuum. These coastal ecosystems play a significant r…

3D geometry of the Lonar impact crater, India, imaged from cultural seismic noise

The Lonar impact crater in the Deccan Volcanic Province of India is an excellent analogue for impact-induced structures on the Moon and other terrestrial planets. We present a det…

Detection and Characterization of Discontinuous Motion on Thompson Glacier, Canadian High Arctic, Using Synthetic Apert…

We investigate unusual discontinuous glacier motion on Thompson Glacier, Umingmat Nunaat, Arctic Canada, using synthetic aperture radar (SAR) images and ice-flow modeling. A novel…

Eclogites and basement terrane tectonics in the northern arm of the Grenville orogen, NW Scotland

The presence of eclogites within continental crust is a key indicator of collisional orogenesis and they have been used worldwide to assist in the delineation of ancient collision…

Modelling a Dam Breach failure: Case of study in the Chaglla Reservoir, Perú.

The dam breaching is one of the events with the most catastrophic consequences among the risks due to fluvial flooding, given the intensity, the great extension of the affectation…

Simulating the processes controlling ice-shelf rift paths using damage mechanics

Rifts are full-thickness fractures that propagate laterally across the ice shelf. They cause ice-shelf weakening and calving of tabular icebergs, and control the initial size of c…

Did hydroclimate conditions contribute to the political dynamics of Majapahit? A preliminary analysis

Majapahit was the largest Hindu-Buddhist empire that ruled the Indonesian archipelago from the late 13th to mid-16th centuries CE. Only now there is still a lot of history surroun…

Optimizing Sowing Window for Mungbean and its Adaptation Option for the South-Central Zone of Bangladesh in Future Clim…

The Agricultural Production Systems Simulator (APSIM) model was calibrated and validated and used to optimize the sowing window for mungbean (var. BARI Mung-6) at Gazipur, the Sou…

Investigation of Capillary Pressure Effects on Well Cleanup after Hydraulic Fracturing

Nowadays hydraulic fracturing is becoming the most popular practice for low permeability reservoirs. While in some cases fractured wells show superior productivity than non-fractu…

Sub- and super-shear ruptures during the 2023 Mw 7.8 and Mw 7.6 earthquake doublet in SE Türkiye

An earthquake doublet (Mw 7.8 and Mw 7.6) occurred on the East Anatolian Fault Zone (EAFZ) on February 6th, 2023. The events produced significant ground motions and caused major i…

Towards more reliable interdisciplinary modeling of global human-environment dynamics driving biodiversity change

Environmental problems are typically vast, urgent, and complex. Confronted with such problems, we are often tempted to act fast by pulling together little bits and pieces from dif…

Porosity evolution of mafic crystal mush during reactive flow

The emergence of the “mush paradigm” has raised several questions for conventional models of magma storage and extraction: how are melts extracted to form eruptible liquid-rich do…

False positives are common in single-station template matching

Template matching has become a cornerstone technique of observational seismology. By taking known events, and scanning them against a continuous record, new events smaller than th…

Protecting fish and farms: incentivising adoption of modern fish-protection screens for water pumps and gravity-fed div…

Modern fish-protection screens offer significant potential benefits for Australia. The Commonwealth and New South Wales (NSW) governments have invested over $30m to incentivise ea…

Quantifying fire-specific smoke severity

Rapidly changing wildfire regimes across the Western US has driven more frequent and severe wildfires, resulting in wide-ranging societal threats from the wildfires themselves and…

Transformation of dense shelf water cascade into turbidity currents: insights from high-resolution geophysical datasets

Dense shelf water cascade (DSWC) is a common oceanographic phenomenon on many continental shelves. Previous studies indicate that the DSWC could shape seabed physiography and carr…

Wavelet-based wavenumber spectral estimate of eddy kinetic energy: Application to the North Atlantic

An ensemble of eddy-rich North Atlantic simulations is analyzed, providing estimates of eddy kinetic energy (EKE) wavenumber spectra and spectral budgets below the mixed layer whe…

Curated Pacific Northwest AI-ready Seismic Dataset

The curation of seismic data sets is the cornerstone of seismological research and the starting point of machine-learning applications in seismology. We present a 21-year-long AI-…

Identifying analogues for Melimoyu, a long-dormant and data-limited volcano in Chile, through hierarchical clustering

Melimoyu is a long-dormant and data-limited volcano in the Southern Volcanic Zone (SVZ) in Chile with only two confirmed Holocene eruptions (VEI 5). Determining the frequency-magn…

Temporal evolution of under-ice meltwater layers and false bottoms and their impact on summer Arctic sea ice mass balan…

Low-salinity meltwater from Arctic sea ice and its snow cover accumulates and creates under-ice meltwater layers below sea ice. These meltwater layers can result in the formation …

Performance and sensitivity of column-wise and pixel-wise methane retrievals for imaging spectrometers

Airborne imaging spectrometers are increasingly used to map methane (CH4) at high spatial resolution (e.g., 3-5 m). This study presents an analysis of two common approaches to ret…

A focus on different types of organic matter particles and their significance in the open ocean carbon cycle

Marine particles are key to the cycling of major elements on Earth and play an important role in the balance of nutrients in the ocean. Three main categories ofmarine particles li…

Evidence of Early Supershear Transition in the Feb 6th 2023 Mw 7.8 Kahramanmaraş Turkey Earthquake From Near-Field Reco…

The Mw7.8 Kahramanmaraş Earthquake was larger and more destructive than what had been expected for the tectonic setting in Southeastern Turkey. By using near-field records we prov…

An interview with ChatGPT: discussing artificial intelligence in teaching, research, and practice

This paper examines the potential of using the AI language model ChatGPT in the field of engineering geology. The authors, an engineering geologist and a university teacher, condu…

Coseismic Coulomb Stress Changes on Intraplate Faults in the Western Quebec Seismic Zone, Canada: Implications for Seis…

There is currently no active fault map for the intraplate western Quebec seismic zone (WQSZ) in eastern Canada, and consequently, no detailed finite-fault source models which are …

Statistical precursor signals for Dansgaard-Oeschger cooling transitions

Given the likely bistability of the Atlantic Meridional Overturning Circulation (AMOC) and its recently inferred weakening, it is important to investigate the capability of identi…

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