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Showing 35901 to 35950 of 59105 works
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…
Die Fährtenfläche bei Eiterfeld (Osthessen, Landkreis Fulda) in den Chirotherium-Schichten der Solling-Folge des Buntsa…
[...] Im Jahr 1963 wurde in den Schichten des Buntsandsteins eine 350 m² große Fläche mit Tetrapodenfährten bei geologischen Kartierungen des Hessischen Landesamtes für Bodenforsc…
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…
Spätglaziale Sedimente und ihre äolischen Beimengungen in einigen deutschen Mittelgebirgen
[…] Kaum bestritten ist, dass in den Mittelgebirgen periglaziale Solifuktionsdecken mit Löss-Beimengungen sehr weit verbreitet sind. Die häufig anzutreffende Auffassung, solche Be…
Hochauflösende U-Pb Datierung von Zirkonen des Sporneiche Trachyts (Sprendlinger Horst)
[...] Trachyte des Sprendlinger Horsts zählen zu den ältesten magmatischen Gesteinen der überwiegend tertiären-quartären Vulkanitprovinz in Mitteleuropa. Hochauflösende U-Pb Messu…
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…
Nachruf Friedrich Nöring
[...] Mit Friedrich Nöring verloren die hessischen Geologen, aber auch die Gemeinschaft der deutschen Hydrogeologen einen ihrer prominentesten Vertreter, der wesentliche Beiträge …
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…
Neudefinition von fünf stratigraphischen Einheiten im Tertiär (Miozän) des Hanauer Beckens und des Oberrheingrabens (De…
[...] Es werden für das Hanauer Becken und den Oberrheingraben fünf Einheiten lithostratigraphisch neu definiert: Niederrad-Formation, Praunheim-Formation, Staden-Formation, Unter…
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…
Die Hessischen Gräben als mehrfach duktil entkoppelte „pull apart“-Strukturen
[...] Im Kreuzungsbereich des Unterwerrasattels mit dem Altmorschener Graben und dem Leinetal-Graben treten unter scheinbar widersinnigen Lagerungsverhältnissen sowohl allochthone…
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…
Neudefinition von stratigraphischen Einheiten im Tertiär des Mainzer und Hanauer Beckens (Deutschland, Miozän): Frankfu…
[...] Die miozäne Frankfurt-Formation (ehemals Obere Hydrobien-Schichten) wird als lithostratigraphische Einheit im Hanauer und Mainzer Becken sowie in der Wetterau neu definiert.…
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…
Erster Nachweis von Miogypsina, einer Großforaminifere aus der Kassel-Formation (Ober-Oligozän, Nordhessen)
[…] Die Mikrofauna einer oberoligozänen Schlämmprobe vom Großen Gudenberg bei Zierenberg in Nordhessen wurde untersucht. Erstmals konnten Großforaminiferen der Gattung Miogypsina …
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…
Nachruf Witigo Stengel-Rutkowski
[…] Der Nachruf würdigt das wissenschaftliche und ehrenamtliche Lebenswerk des Hydrogeologen Witigo Stengel-Rutkowski (1935–2012). Hervorgehoben werden seine Arbeiten zur Hydrogeo…
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…
Erinnerung an Ernst Schönhals
[…] Der Beitrag würdigt Leben und Werk des Bodenkundlers Ernst Schönhals anlässlich seines 100. Geburtstags. Dargestellt werden seine wissenschaftlichen Leistungen in der Bodenkun…
Detrital zircon U-Pb ages of Proterozoic and Cretaceous sandstones of Narmada region in Central India: Implications for…
This study presents detrital zircon U-Pb ages of the Upper Bhander Sandstones from the Bhopal inlier, and the overlying Cretaceous sandstones from Jabalpur, Central India. These …
Harmotom-besetzte Wurzeln im Oberoligozän von Breitscheid/Westerwald
[…] Im Bentonit-Tagebau Elfi bei Breitscheid-Gusternhain im Westerwald wurden harmotom-besetzte Wurzeln in oberoligozänen vulkanischen Ablagerungen untersucht. Die Wurzeln drangen…
Physics-Informed Neural Networks Applied to Catastrophic Creeping Landslides
In this study, a new paradigm compared to traditional numerical approaches to solve the partial differential equation (PDE) that governs the thermo-poro-mechanical behavior of the…
Considerable gaps in our global knowledge of potential groundwater accessibility
At what depth groundwater can be found below the land surface is key to understanding whether it is potentially accessible to ecosystems and humans, or what role it plays in the w…
Prolonged thermocline warming by near-inertial internal waves in the wakes of tropical cyclones
Tropical cyclones (TCs) mix vertical temperature gradients in the upper ocean and generate powerful near-inertial internal waves (NIWs) that propagate down into the deep ocean. Gl…
Assessing the impact of war on the water supply infrastructure in Tigray, Ethiopia
Armed conflicts throughout the world can have substantial impacts on private and public infrastructure and its people. Over the last two decades, the regional government of Tigray…
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