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Showing 2751 to 2800 of 8471 works
BODIUM—A systemic approach to model the dynamics of soil functions
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">The increasing demand for biomass for food, a…
Formation and geochronology of Last Interglacial to Lower Weichselian loess/palaeosol sequences – case studies from the…
Anhand zweier Profile aus dem Niederrheingebiet wird die Komplexität der Genese und Chronologie letztinterglazialer bis früh-weichselzeitlicher Löss-Paläoboden-Sequenzen diskutier…
Using diffraction losses of X‐rays in a single crystal for determination of its lattice parameters as well as for monoc…
<p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">A way has been developed to measure the unit‐cell parameters of a single crystal just from an energy scan with X‐ra…
Staircase array of inclined refractive multi‐lenses for large field of view pixel super‐resolution scanning transmissio…
Owing to the development of X‐ray focusing optics during the past decades, synchrotron‐based X‐ray microscopy techniques allow the study of specimens with unprecedented spatial re…
Modelling the structural variation of quartz and germanium dioxide with temperature by means of transformed crystallogr…
The pseudocubic (PC) parameterization of O4 tetrahedra [Reifenberg & Thomas (2018). Acta Cryst. B74, 165–181] is applied to quartz (SiO2) and its structural analogue germanium dio…
Trace metals contamination in groundwater and implications on human health: comprehensive assessment using hydrogeochem…
Monitoring the groundwater chemical composition and identifying the presence of pollutants is an integral part of any comprehensive groundwater management strategy. The present st…
Revisiting climate change effects on winter chill in mountain oases of northern Oman
For centuries, traditional high-altitude oases in Oman have depended on the cultivation of deciduous fruit trees. This study explores the effects of climate change on winter chill…
In situ neutron diffraction for analysing complex coarse‐grained functional materials
<p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Complex functional materials play a crucial role in a broad range of energy‐related applications and in general for…
Using hydro‐morphological assessment parameters to estimate the flood‐induced vulnerability of watercourses ‐ a methodo…
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">In addition to their ecological importance, r…
POWTEX visits POWGEN
<p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">The high‐intensity time‐of‐flight (TOF) neutron diffractometer POWTEX for powder and texture analysis is currently …
Zur periglaziären Bildung und Überformung rinnenartiger Strukturen im Jungmoränengebiet Süd-Holsteins
Der weichselkaltzeitliche Binnensander-Bereich Bargfeld-Stegen (Schleswig-Holstein) nördlich von Hamburg ist durch intensive periglaziäre Überprägung charakterisiert. Hierbei tret…
Will dairy cattle production in West Africa be challenged by heat stress in the future?
This study focuses on heat stress conditions for dairy cattle production in West Africa under current and future climatic conditions. After testing the accuracy of the dynamically…
Stratigraphy of Late Quaternary fluvial terraces at the confluence of the Lech and Danube valleys
Gegenstand dieser Studie ist die würm-spätglaziale und holozäne Talentwicklung am Zusammenfluss von Lech und Donau im Nördlichen Alpenvorland. Die morphologischen Formen im Unters…
Data reduction for X‐ray serial crystallography using machine learning
Serial crystallography experiments produce massive amounts of experimental data. Yet in spite of these large‐scale data sets, only a small percentage of the data are useful for do…
Added value of an atmospheric circulation pattern‐based statistical downscaling approach for daily precipitation distri…
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Reliable prediction of heavy precipitation ev…
Are we expecting too much from the private sector in flood adaptation? Scenario-based field experiments with small- and…
Adaptive governance approaches emphasize the crucial role of the private sector in enabling climate change adaptation. Yet, the participation of local firms is still lacking, and …
Redoxtrons – An experimental system to study redox processes within the capillary fringe
Spatiotemporal characterisation of the soil redox status within the capillary fringe (CF) is a challenging task. Air‐filled porosities (ε), oxygen concentration (O<sub>2</sub>) an…
Importance of catchment hydrological processes and calibration of hydrological‐hydrodynamic rainfall‐runoff models in s…
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">In recent years, many two‐dimensional (2D) hy…
Resolution of a bent‐crystal spectrometer for X‐ray free‐electron laser pulses: diamond versus silicon
The resolution function of a spectrometer based on a strongly bent single crystal (bending radius of 10 cm or less) is evaluated. It is shown that the resolution is controlled by …
Robust approaches for model‐free small‐angle scattering data analysis
The small‐angle neutron scattering data of nanostructured magnetic samples contain information regarding their chemical and magnetic properties. Often, the first step to access ch…
Bio-energy and CO2 emission reductions: an integrated land-use and energy sector perspective
Biomass feedstocks can be used to substitute fossil fuels and effectively remove carbon from the atmosphere to offset residual CO2 emissions from fossil fuel combustion and other …
Zur Landschafts- und Gewässergeschichte der Müritz: Umweltgeschichtlich orientierte Bohrungen 2004–2006 zur Rekonstrukt…
Mit 113,5 km2 Wasserfläche und einem Einzugsgebiet von 1230 km2 ist die Müritz (62 m HN) der zweitgrösste See des nordmitteleuropäischen Tieflandes (Knapp et al. 1999). Sie war in…
A note on the wedge reversion antisymmetry operation and 51 types of physical quantities in arbitrary dimensions
<p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">The paper by Gopalan [<ext-link ext-link-type="uri" xlink:href="http://scripts.iucr.org/cgi-bin/paper?ib5086">(2020…
Risk of extreme high fatalities due to weather and climate hazards and its connection to large-scale climate variability
Weather and climate hazards cause too many fatalities each year. These weather and climate hazards are projected to increase in frequency and intensity due to global warming. Here…
Unusual appearance of mother‐of‐pearl clouds above El Calafate, Argentina (50°21′S, 72°16′W)
Visual observations from the ground and from a glider soaring in the lowermost stratosphere revealed the existence of stratospheric mother‐of‐pearl clouds above El Calafate in the…
Regional broad-band ground-shaking modelling over extended and thick sedimentary basins: an example from the Lower Rhin…
The simulation of broad-band (0.1 to 10 + Hz) ground-shaking over deep and spatially extended sedimentary basins at regional scales is challenging. We evaluate the ground-shaking …
A multi‐parameter approach to quantify riverbed clogging and vertical hyporheic connectivity
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Riverbed clogging is key to assessing vertica…
Contextualizing land‐use and land‐cover change with local knowledge: A case study from Pokot Central, Kenya
Rural communities in the drylands of sub‐Saharan Africa (SSA) derive their livelihoods primarily from their natural resource base. Unprecedented changes in these environments over…
The potential of ryegrass as cover crop to reduce soil N2O emissions and increase the population size of denitrifying b…
Nitrogen (N) fertilization is the major contributor to nitrous oxide (N2O) emissions from agricultural soil, especially in post‐harvest seasons. This study was carried out to inve…
How evaluation of hydrological models influences results of climate impact assessment—an editorial
This paper introduces the Special Issue (SI) “How evaluation of hydrological models influences results of climate impact assessment.” The main objectives were as follows: (a) to t…
Multi‐objective downscaling of precipitation time series by genetic programming
We use symbolic regression to estimate daily precipitation amounts at six stations in the Alpine region from a global reanalysis. Symbolic regression only prescribes the set of ma…
Response of subsoil organic matter contents and physical properties to long‐term, high‐rate farmyard manure application
Application of farmyard manure (FYM) is common practice to improve physical and chemical properties of arable soil and crop yields. However, studies on effects of FYM application …
Waterpower romance: the cultural myth of dying watermills in German hydro-narratives around 1900
Even in the twenty-first century, myths of preindustrial forms of energy utilization are woven around watermills, waterwheels, and traditional millscapes. Along German watercourse…
Severe thunderstorms with large hail across Germany in June 2019
From 10 to 12 June 2019, severe thunderstorms affected large parts of Germany. Hail larger than golf ball size caused considerable damage, especially in the Munich area where loss…
Use of electron backscatter diffraction patterns to determine the crystal lattice. Part 2. Offset corrections
A band width determination using the first derivative of the band profile systematically underestimates the true Bragg angle. Corrections are proposed to compensate for the result…
Temperature and soil moisture change microbial allocation of pesticide‐derived carbon
<title xmlns:mml="http://www.w3.org/1998/Math/MathML">Abstract</title><p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Temperature and soil moisture are known to co…
Quantifying electron cascade size in various irradiated materials for free‐electron laser applications
<p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en">Studying electron‐ and X‐ray‐induced electron cascades in solids is essential for various research areas at free‐el…
Polycyclic aromatic hydrocarbons (PAHs) in soils of an industrial area in semi-arid Uzbekistan: spatial distribution, r…
The concentrations, composition patterns, transport and fate of PAHs in semi-arid and arid soils such as in Central Asia are not well known. Such knowledge is required to manage t…
Understanding summer wind systems over the eastern Mediterranean in a high‐resolution climate simulation
Regional and local wind systems are often complex, particularly near coastal areas with a highly variable orography. Thus, the realistic representation of regional wind systems in…
Small‐angle X‐ray scattering from GaN nanowires on Si(111): facet truncation rods, facet roughness and Porod's law
Small‐angle X‐ray scattering from GaN nanowires grown on Si(111) is measured in the grazing‐incidence geometry and modelled by means of a Monte Carlo simulation that takes into ac…
Air quality co-benefits of ratcheting up the NDCs
The current nationally determined contributions, pledged by the countries under the Paris Agreement, are far from limiting climate change to below 2 ∘C temperature increase by the…
Environmental development and local human impact in the Jeetzel valley (N Germany) since 10 ka BP as detected by geoarc…
While archaeological records indicate an intensive Mesolithic occupation of dune areas situated along river valleys, relatively little knowledge exists about environmental interac…
Interiors of Earth-Like Planets and Satellites of the Solar System
The Earth-like planets and moons in our solar system have iron-rich cores, silicate mantles, and a basaltic crust. Differentiated icy moons can have a core and a mantle and an out…
An Improved Model of the Earth’s Static Gravity Field Solely Derived from Reprocessed GOCE Data
After it was found that the gravity gradients observed by the Gravity field and steady-state Ocean Circulation Explorer (GOCE) satellite could be significantly improved by an adva…
Synthetic resampling strategies and machine learning for digital soil mapping in Iran
Most common machine learning (ML) algorithms usually work well on balanced training sets, that is, datasets in which all classes are approximately represented equally. Otherwise, …
Optimization-based decision-making models for disaster recovery and reconstruction planning of transportation networks
The purpose of this study is to analyze optimization-based decision-making models for the problem of Disaster Recovery Planning of Transportation Networks (DRPTN). In the past thr…
Single-station seismic microzonation using 6C measurements
Microzonation is one of the essential tools in seismology to mitigate earthquake damage by estimating the near-surface velocity structure and developing land usage plans and intel…
Holotype skulls, stratigraphy, bone taphonomy and excavation history in the Zoolithen Cave and new theory about Esper’s…
The Zoolithen Cave, in the Wiesent River Valley of Upper Franconia, Bavaria, South Germany, has a very long excavation history. The site is of international paleobiological import…
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