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Showing 35301 to 35350 of 59105 works
The uncertain future of mountaintop-removal-mined landscapes 2: Modeling the influence of topography and vegetation
Erosion following human disturbance threatens ecosystem health and inhibits effective land use. Mountaintop removal/valley fill (MTR/VF) mined landscapes of the Appalachian Coalfi…
Increased crevassing across accelerating Greenland Ice Sheet margins
Surface crevassing on the Greenland Ice Sheet is a large source of uncertainty in processes controlling mass loss, including calving, ice rheology, and water routing. However, no …
Garnet fracturing reveals ancient unstable slip events hosted in plate interface metasediments
A paradox exists between the great number of intermediate-depth earthquakes occurring along active subduction interfaces worldwide and the extreme scarcity of paleo-seismic events…
Deformation and frictional failure of granular media in 3D analog and numerical experiments
Frictional sliding along grain boundaries in brittle shear zones can result in the fragmentation of individual grains, which ultimately can impact slip dynamics. During deformatio…
The Role of Continental Heterogeneity on the Evolution of Continental Margin Topography at Subduction Zones
The nature of the overriding plate plays a major role in shaping subduction zone processes. In particular, the highly heterogeneous continental lithosphere modulates intra-plate t…
Machine Learning Photogrammetric Analysis of Images Provides a Scalable Approach to Study Riverbed Grain Size Distribut…
The distribution of sediment grain size in streams and rivers is often quantified by the median grain size (d50), a key metric for understanding and predicting hydrologic and biog…
An Ice-Free Arctic Ocean During the Last Interglacial: An unsupported statement
The Last Interglacial has attracted the attention of researchers as it was globally characterized by a climate optimum warmer than that of the preindustrial period. In particular,…
Standortauswahlverfahren für ein Endlager für hochradioaktive Abfälle in Deutschland – fachliche Grundlagen und Mitwirk…
[...] Das Standortauswahlgesetz (StandAG) regelt seit 2017 die Suche und Auswahl eines Standortes für ein Endlager für hochradioaktive Abfälle in Deutschland. Die Bundesgesellscha…
Towards an astrochronological framework for the lower Paleoproterozoic Kuruman and Brockman Iron Formations
Recent evidence for astronomical-induced cycles in banded iron formations (BIFs) hints at the intriguing possibility of developing astrochronological, i.e. precise time-stratigrap…
SeisMIC - an Open Source Python Toolset to Compute Velocity Changes from Ambient Seismic Noise
We present SeisMIC, a fast, versatile, and adaptable open-source software to estimate seismic velocity changes from ambient seismic noise. SeisMIC includes a broad set of tools an…
Understanding Europe’s forest harvesting regimes
The functioning and structure of most European forests are actively shaped by intensive human use. Harvesting of wood is one of the key processes of forest management, making it a…
The Whakamaru Magmatic System (Taupō Volcanic Zone, New Zealand), Part 1: Evidence from tephra deposits for the eruptio…
The Whakamaru group eruptions (349 ± 4 ka; Downs et al., 2014) are the largest known eruptions in the history of the young Taupō Volcanic Zone, Aotearoa New Zealand. The complex f…
The Whakamaru Magmatic System (Taupō Volcanic Zone, New Zealand), Part 2: Evidence from ignimbrite deposits for pre-eru…
The complex volcanology and petrology of the Whakamaru volcanic deposits in Aotearoa New Zealand have thus far obscured the number of eruptive phases and the relative timing of th…
Global trade and the resilience of food supply to extreme weather exposure
Climate change is increasing the risk of extreme weather events, potentially threatening crop yields and global food security. A key benefit of international trade is risk sharing…
Comprehensive review of geomechanics of underground hydrogen storage in depleted reservoirs and salt caverns
Hydrogen is a promising energy carrier for a low-carbon future energy system, as it can be stored on a megaton scale (equivalent to TWh of energy) in subsurface reservoirs. Howeve…
Knowledge Graphs for Seismic Data and Metadata
The increasing scale and diversity of seismic data, and the growing role of big data in seismology, has raised interest in methods to make data exploration more accessible. This p…
Independent estimates of net carbon uptake in croplands: UAV-LiDAR and machine learning vs. eddy-covariance
Understanding sequestration of organic carbon (C) in agroecosystems is of primary importance for greenhouse gas (GHG) accounting in managed ecosystems, reducing the environmental …
Generation of LOMU type alkali basalts in East Asia by melting and melt metasomatism of the asthenospheric mantle by a …
The origin of alkali basalts with distinctive time-integrated low U/Pb (low µ, LOMU) from East Asia is controversial due to the complex geochemical and tectonic signatures reporte…
Yield strength determination based on dissipative energetic transition
Mechanical yield strength is one of the most crucial mechanical properties to consider to remain operating in safe elastic regimes. Despite its importance, it remains ambiguous to…
Jungdünenentwicklung und Siedlungsgeschichte auf der Glindower Platte (Brandenburg)
[...] Die Untersuchung befasst sich mit der Genese und zeitlichen Einordnung von Dünenfeldern auf der Glindower Grundmoränenplatte. In einer Sandgrube bei Bliesendorf wurde ein fo…
What can radar-based measures of subglacial hydrology tell us about basal shear stress? A case study at Thwaites Glacie…
Ice sheet models use observations to infer basal shear stress, but the variety of methods and datasets available has resulted in a wide range of estimates. Radar-based metrics suc…
Changing Water Supplies and Solutions to the Water Crisis: An Earth Systems Analysis of the American Southwest
The pressing issue of water scarcity in the Southwestern United States has been a topic of increasing concern in recent years. To address this critical problem, this research-driv…
Lithium isotope constraints on the plumeworld hypothesis for the Marinoan Snowball Earth
The Snowball Earth hypothesis predicts that continental chemical weathering was curtailed substantially during but rebounded strongly after the Marinoan ice age some 635 million y…
Monogenetic volcanoes as windows into transcrustal mush: A case study of Slamet and Loyang volcanoes, Central Java
Monogenetic volcanic "fields (MVFs) are commonly associated with long-lived polygenetic composite volcanoes in many tectonic settings. The association between polygenetic and mono…
Quantifying salinity in heterogeneous coastal aquifers through ERT and IP: insights from laboratory and field investiga…
The lithological and stratigraphical heterogeneity of coastal aquifers has a great influence on saltwater intrusion (SI). This makes it difficult to predict SI pathways and their …
Bacteriological quality of household drinking water and cholera risk in the Greater Accra Region, Ghana
Background The bacteriological quality of drinking water plays a critical role in preventing waterborne diseases. In Ghana, there is water scarcity and many communities depend on…
Das sogenannte Zechsteinkonglomerat und die Grenze Rotliegendes/Zechstein
[…] Die Arbeit behandelt die stratigraphische Problematik der Grenze zwischen Rotliegend und Zechstein. Diskutiert werden die lithologischen Einheiten Cornberg-Sandstein, Weißlieg…
Sea Ice Loss, Water Vapor Increases, and Their Interactions with Atmospheric Energy Transport in Driving Seasonal Polar…
The ice-albedo feedback associated with sea ice loss contributes to polar amplification, while the water vapor feedback contributes to tropical amplification of surface warming. H…
Why is it critical to revisit significance and consequences of salt precipitation during CO2 injection?
Among the candidates for CO2 sequestration, deep saline aquifers are considered the best option because of their storage capacity and proximity to emission sources. Injection of l…
A Review of the Interactions between Tropical Cyclones and Environmental Vertical Wind Shear
Tropical cyclone (TC) structure and intensity are strongly modulated by interactions with deep-layer vertical wind shear (VWS)—the vector difference between horizontal winds at 20…
Forecast of Earthquake Magnitude for North-West (NW) Indian Region Using Machine Learning Techniques
Earthquakes have posed significant hazards to human lives and infrastructure for as far back as can be recalled. This paper presents a Machine Learning (ML) based approach for ear…
Garnet zoning patterns record multiple processes of chemical transfer during subduction
Subduction facilitates the transfer of volatiles from the Earth’s surface to its interior. However, the rock-scale processes that govern the efficiency of deep volatile transfer a…
The Outflow Interactions Between Binary Tropical Cyclones
The three-dimensional representation of an outflow jet can be used to assess whether interactions may have occurred between the outflows of binary, or spatially proximate, tropica…
Weitergehende Beschreibung von gefährdeten Grundwasserkörpern im Land Brandenburg
[...] Der Beitrag erläutert die methodische Umsetzung der EG-Wasserrahmenrichtlinie (WRRL) für das Grundwasser im Land Brandenburg. Im Fokus steht die „weitergehende Beschreibung“…
Determining the Pressure – Temperature – Composition (P-T-X) conditions of magma storage
Determining the pressures and temperatures at which melts are stored in the crust and upper mantle, and the major element composition, redox state and volatile contents of these m…
Biomarker Indicators of Past Climate
The molecular remainders of living organisms, found in sedimentary records, reflect past ecological, environmental and climatic conditions. Occurrence, abundance, relative distrib…
Shear-wave attenuation anisotropy: a fluid detection tool
The behaviour of fluids in preferentially aligned fractures plays an important role in a range of dynamic processes within the Earth. In the near-surface, understandin…
Earth's tectonic and plate boundary evolution over 1.8 billion years
Understanding the intricate relationships between the solid Earth and its surface systems in deep time necessitates comprehensive full-plate tectonic reconstructions that include …
Rekonstruktion der Paläoenvironments aus den fluviatilen Sedimentkörpern der Röt-Sandstein-fazies (Oberer Buntsandstein…
[...] Das Konzept der fluviatilen Makro-zyklen läßt sich aus der Solling-For-mation auch auf den psammiti-schen Teil der Röt-Untergruppe (sub-group) übertragen. Hier sind es insge…
Impact of rift history on the structural style of intracontinental rift-inversion orogens
Although many collisional orogens form after subduction of oceanic lithosphere between two continents, some orogens result from strain localization within a continent via inversio…
Large-scale green grabbing for wind and solar PV development in Brazil
Large-scale wind and solar photovoltaic (PV) infrastructures are expanding rapidly in Brazil. These projects can exacerbate struggles for land rooted in weak land governance, with…
A proxy implementation of thermal pressurization for earthquake cycle modeling on rate-and-state faults
The reduction of effective normal stress during earthquake slip due to thermal pressurization of fault pore fluids is a significant fault weakening mechanism. Explicit incorporati…
Information Sharing: The Missing Ingredient in Science, Technology and Innovation Policy of Pakistan-Agriculture Perspe…
The purpose of this paper is to focus on the important role of information sharing in advancing innovation that is presently missing in National Science, Technology and Innovation…
Spontaneous Unsteadiness and Sorting in Pyroclastic Density Currents and their Deposits
Pyroclastic density currents (PDCs) pose substantial risk to populations living on and around active volcanoes, but their structure and internal dynamics are poorly understood. Mu…
Geostatistische Untergrundmodellierung im glazial geprägten geologischen Umfeld des Zentrums von Berlin
[...] Der Artikel untersucht die Anwendung geostatistischer (stochastischer) Methoden zur Modellierung der komplexen Untergrundverhältnisse im Berliner Stadtzentrum. Da traditione…
GossenAIA2015-RapaNuislides
A slide presentation from AIA 116th Annual Conference, New Orleans, Jan 8-11 2015. The 149 slides in pdf format are from the original Keynote presentation: Deforestation, Drought…
Vorsitztätigkeit Brandenburg im Zeitraum 2022 bis 2023 im Bund-Länder-Ausschuss Bodenforschung und Direktorenkreis der …
[…] Dieser Beitrag beleuchtet Brandenburgs Vorsitztätigkeit im Zeitraum 2022 bis 2023 im Bund-Länder-Ausschuss Bodenforschung (BLA-GEO) und im Direktorenkreis (DK) der Staatlichen…
Zur Abgrenzung der Bodenlandschaften Brandenburgs auf der Grundlage quartärgeologischer Landschaftseinheiten
[...] Grundlage des im Landesamt für Geowissenschaften und Rohstoffe in Bearbeitung befindlichen neuen hydrogeologischen Kartenwerks für das Land Brandenburg sind hydrogeologische…
Bewertung der Stabilität geschädigter Parkpflanzungen nach Grundwasserentzug
[...] Langjährige Untersuchungen in fünf durch Grundwasserentzug geschädigten Parkanlagen der Lausitz zeigen, dass Totalschäden durch genaue geologisch-bodenkundliche und pflanzen…
Brandenburgische Geowissenschaftliche Beiträge
[...] Der vorliegende Band der Brandenburgischen Geowissenschaftlichen Beiträge (BGB 2023) spiegelt die vielfältige Arbeit des Staatlichen Geologischen Dienstes (SGD) in Brandenbu…
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