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Showing 34551 to 34600 of 59105 works
Construction of fault geometry by finite-fault inversion of teleseismic data
Conventional seismic source inversion estimates the earthquake rupture process on an assumed fault plane that is determined a priori. It has been a difficult challenge to obtain t…
Addressing Model Data Archiving Needs for the Department of Energy’s Environmental Systems Science Community
Researchers in the Department of Energy’s ESS program use a variety of models to advance robust, scale-aware predictions of terrestrial and subsurface ecosystems. ESS projects typ…
Macroscopic flow disequilibrium over aeolian dune fields
Aeolian dune fields are self-organized patterns formed by wind-blown sand. Dunes are topographic roughness elements that impose drag on the atmospheric boundary layer (ABL), creat…
A note on leveraging synergy in multiple meteorological datasets with deep learning for rainfall-runoff modeling
A deep learning rainfall-runoff model can take multiple meteorological forcing products as inputs and learn to combine them in spatially and temporally dynamic ways. This is demon…
On doing large-scale hydrology with Lions: Realising the value of perceptual models and knowledge accumulation
Moving the study domain in hydrology to larger and larger regions leaves us with significant knowledge gaps because we are unable to observe the hydrology of many parts of the wor…
Ein neues Eem-Vorkommen in Mixdorf (Landkreis Oder-Spree)
[...] Durch mehrere Brunnenbohrungen in der Gemeinde Mixdorf wurden in den Jahren 1995 bis 2000 organische Sedimente (Kalk-, Schluff- und Torfmudden) in einer Teufe von 16 bis 21 …
How waves are accelerating global coastal overtopping
The world’s coastal areas are home to about 10% of the human population and support unique and dynamic ecosystems, offering € trillions worth of environmental and societal benefit…
Geomagnetic field variability: geomagnetic dynamo and helical distributed chaos
It is shown that helicity dynamics dominates the thermal convection-driven geomagnetic field variability. The notion of the distributed chaos has been used for this purpose. The l…
Unmixing and mapping components of Northern Ireland’s geochemical composition using FastICA and random forests
There is an increasing trend for the collection of multi-sensory quantitative data to support the mapping of geology and environment. In the United Kingdom and Ireland this trend …
Benchmarking and Inter-Comparison of Sentinel-1 InSAR velocities and time series
Different InSAR algorithms and methods produce velocities and times series that are not identical, even using the same data for the same area. This inconsistency can cause confusi…
Aerosols bias daily weather prediction
Weather prediction is essential to human daily life. Current numerical weather prediction (NWP) models are still subject to substantial forecast bias and rarely consider the impac…
The timing of magmatism and subsequent alteration of basaltic rocks cored at the base of IODP Site U1513, Naturaliste P…
An 82.2 m thick sequence of basaltic rocks was recovered from a deep-sea core on the eastern flank of the Naturaliste Plateau, offshore southwestern Australia during International…
Geologische Specialkarte des Grossherzogthums Hessen und der angrenzenden Landesgebiete im Maassstabe von 1:50000 / Mit…
Geologische Karte 1: 50 000 mit Erläuterungen. Section Dieburg (Darmstadt) der topographischen Karte des Kurfürstenthum Hessen. Digitalisat des FID GEO (Fachinformationsdienst Geo…
Lower air pollution during COVID-19 lock-down: improving models and methods estimating ozone impacts on crops (accepted…
We suggest that the unprecedented and unintended decrease of emissions of air pollutants during the COVID-19 lockdown in 2020 could lead to declining seasonal ozone concentrations…
EC-Earth Global Climate Simulations: Ireland’s Contributions to CMIP6
The global climate simulations described in this report constitute Ireland’s contribution to the Coupled Model Intercomparison Project (CMIP) (phase 6) (CMIP6) and will be include…
A Reduced Order Approach for Probabilistic Inversions of 3D Magnetotelluric Data I: General Formulation
Simulation-based probabilistic inversions of 3D magnetotelluric (MT) data are arguably the best option to deal with the non-linearity and non-uniqueness of the MT problem. However…
Kleinräumige Bodenheterogenität im Jungmoränengebiet Brandenburgs – eine Herausforderung durch die Jahrhunderte
[...] Der Beitrag thematisiert die ausgeprägte kleinräumige Variabilität der Bodenverhältnisse im brandenburgischen Jungmoränenland und deren Bedeutung für die landwirtschaftliche…
Estimating Submicron Aerosol Mixing State at the Global Scale with Machine Learning and Earth System Modeling
This study integrates machine learning and particle-resolved aerosol simulations to develop emulators that predict sub-micron aerosol mixing state indices from the Earth System Mo…
A radial hydraulic fracture with pressure-dependent leak-off
This paper investigates the problem of a radial (or penny-shaped) hydraulic fracture propagating in a permeable reservoir. In particular, we consider the fluid exchange between th…
Constraining crustal silica on ancient Earth
Accurately quantifying the composition of continental crust on Hadean and Archean Earth is critical to our understanding of the physiography, tectonics, and climate of our planet …
Unrealistic phytoplankton bloom trends in global lakes derived from Landsat measurements
Given its advantages for synoptic and large-scale observations, satellite remote sensing has been widely used to effectively monitor the water quality of inland and coastal enviro…
Peter Meiburg †
[…] Der Beitrag würdigt Leben und wissenschaftliches Werk des Geologen Peter Meiburg, der 1993 verstarb. Beschrieben werden seine Ausbildung, seine geologischen Forschungen zur He…
Evaluating Controller Performance and Placement on System-level Urban Flooding Reduction and Water Quality Improvement
Increases in urbanization and climate change are forcing urban drainage engineers to more effectively leverage stormwater storage facilities to minimize flooding and water quality…
Do olivine crystallization temperatures faithfully record mantle temperature variability?
Crystallization temperatures of primitive olivine crystals have been widely used as both a proxy for, or an intermediate step in calculating, mantle temperatures. The olivine-spin…
Projections of global delta land loss from sea-level rise in the 21st century
River deltas will likely experience significant land loss because of relative sea-level rise (RSLR), but predictions have not been tested against observations. Here, we use global…
Early earthquake detection capabilities of different types of future-generation gravity gradiometers
Since gravity propagates at the speed of light, gravity perturbations induced by earthquake deformation have the potential to enable faster alerts than the current earthquake earl…
Neue Ergebnisse hydrogeologischer Untersuchungen im Buntsandstein des östlichen Odenwaldes
[…] Der Beitrag behandelt hydrogeologische Untersuchungen im Buntsandstein des östlichen Odenwaldes Schwerpunkt sind Grundwasserverhältnisse Aquifereigenschaften Wasserwegsamkeite…
Die Ingenieurgeologische Karte von Berlin
[...] Diese Kurzmitteilung stellt das digitale ingenieurgeologische Kartenwerk für das Land Berlin vor, das von der Arbeitsgruppe Geologie und Grundwassermanagement entwickelt wur…
Rock glaciers represent hidden water stores in the Himalaya
In High Mountain Asia (HMA), ongoing glacier retreat affects human and ecological systems through reduced water availability. Rock glaciers are climatically more resilient than gl…
Permeability computation of high resolution µCTscan with an unfitted boundary method to improve accuracy
Flow simulations on porous media, reconstructed from Micro-Computerised Tomography (μCT)-scans, is becoming a common tool to compute the permeability of rocks. In order for the va…
Connecting the Deep Earth and the Atmosphere
Most hotspots, kimberlites, and large igneous provinces (LIPs) are sourced by plumes that rise from the margins of two large low shear-wave velocity provinces in the lowermost man…
Constraining global changes in temperature and precipitation from observable changes in surface radiative heating
Changes in the atmospheric composition alter the magnitude and partitioning between the downward propagating solar and atmospheric longwave radiative fluxes heating the Earths sur…
A Data-driven Improved Fuzzy Logic Control Optimization-simulation Tool for Reducing Flooding Volume at Downstream Urba…
The uncertainty of climate change and urbanization imposed additional stress for urban drainage systems (UDSs) by intensifying rainfall frequency and magnifying peak runoff rate. …
Die hydrogeologischen Einheiten Nordhessens, ihre Grundwasserneubildung und ihr nutzbares Grundwasserdargebot (Ldkrs. W…
[...] Das nutzbare Grundwasserdargebot der hydrogeologischen Teileinheiten Nord- und Osthessens (Regierungspräsidium Kassel) wird aus Trockenwetterabflussmessungen zur Bestimmung …
A Performance Comparison of Unsupervised Machine Learning Algorithms for Clustering Water Depth Datasets at Urban Drain…
As sensor measurements emerge in urban water systems, data-driven unsupervised machine learning algorithms have been drawn tremendous interest in infrastructure monitoring, flow p…
Predicting outbreak-level tornado counts and casualties from environmental variables
Environmental variables are used routinely in forecasting when and where an outbreak of tornadoes are likely to occur, but more work is needed to understand how characteristics of…
Large-eddy simulation of traffic-related air pollution at a very high-resolution in a mega-city: Evaluation against mob…
Urban air pollution has tremendous spatial variability at scales ranged from kilometer to meters due to unevenly distributed emission sources, complex flow patterns, and photochem…
Coupling Mars ground and orbital views: generate viewsheds of Mastcam images from the Curiosity rover, using ArcGIS® a…
The Mastcam (Mast Camera) instrument onboard the NASA Curiosity rover provides an exclusive view of Mars: the color high-resolution Mastcam images allow users to study Gale crater…
Nagetiere (Mammalia: Rodentia) aus dem Eem-Interglazial von Phöben bei Werder, Brandenburg
[...] Der Beitrag untersucht die Kleinsäugerfauna der bedeutenden Wirbeltierfundstätte Phöben, die vor allem durch Skelettfunde des Riesenhirsches bekannt wurde. Der Autor beschre…
Structure and kinematics of an extensional growth fold, Hadahid Fault System, Suez Rift, Egypt
Normal faulting drives extensional growth folding of the Earth’s upper crust during continental extension, yet we know little of how fold geometry relates to the structural segmen…
Streamflow depletion from groundwater pumping in contrasting hydrogeological landscapes: Evaluation and sensitivity of …
Groundwater pumping can reduce streamflow by reducing groundwater discharge and/or inducing streamflow infiltration, which together are referred to as streamflow depletion. Recent…
Protecting rivers by integrating supply-wastewater infrastructure planning and coordinating operational decisions
Placing water quality in rivers at the centre of water infrastructure planning and management is an important objective. In response there has been a range of whole system analyse…
Quantitative analysis of a footwall-scarp degradation complex and syn-rift stratigraphic architecture, Exmouth Plateau,…
Interactions between footwall-, hangingwall- and axial-derived depositional systems make syn-rift stratigraphic architecture difficult to predict, and preservation of net-erosiona…
[Neue Nr. 5520] Nidda / Geologische Karte
Geologische Karte 1: 25 000. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften), erstellt durch das GDZ (Göttinger Digitalisierungszentrum), Karte aus dem Bestand …
Setting up the preservation of fluvial channel belts
Subsidence alone is often too slow to create the necessary relief needed to preserve continuous channel belts over 10s of km, as are often observed in outcrops on Earth and Mars, …
Using thermal springs to quantify deep groundwater flow and its thermal footprint in the Alps and North American orogens
The extent of deep groundwater flow in mountain belts and its thermal effects are uncertain. Here, we use a new database of discharge, temperature and composition of thermal sprin…
Global projections of compound coastal meteorological extremes
Compound coastal and inland flooding can result in catastrophic impacts in densely populated low-lying coastal areas. The dynamics and interactions between the underlying meteorol…
Entwicklung und Stand der Unterdevon-Stratigraphie im südlichen Taunus
[…] Die Arbeit behandelt die historische Entwicklung und den Forschungsstand der Unterdevon-Stratigraphie im südlichen Taunus. Beschrieben werden die stratigraphischen Einheiten v…
Modeling the spatial dynamics of marsh ponds in New England salt marshes
Ponds are common features on salt marshes, yet it is unclear how they affect large-scale marsh evolution. We developed a spatially explicit model that combines cellular automata f…
Inter-model spread in the pattern effect and its contribution to climate sensitivity in CMIP5 and CMIP6 models
Radiative feedbacks depend on the spatial patterns of sea-surface temperature (SST) and thus can change over time as SST patterns evolve – the so-called ‘pattern effect’. This stu…
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