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Showing 35001 to 35050 of 59105 works
Multiple dikes make eruptions easy
Dikes supply magma to most volcanic eruptions. Understanding how propagating dikes may, or may not, reach the surface is thus one of the fundamental tasks for volcanology. Many, p…
Towards an Integrated Texture Toolkit, 1: Unveiling the Complex Relationship Between Crystal Size, Shape, and Fabric in…
Rock textures observed via thin section are skewed from their true 3D nature. This is due to a variety of cut effects—artifacts that are introduced due to the lower dimensional na…
The Rhyolite Factory: Insights from rhyolite-MELTS geobarometry of plutonic rocks and associated volcanics
Magmatic systems feed eruptions to the surface; lead to the formation of ore deposits; provide energy for geothermal systems; and are key to Earth’s differentiation. While it is c…
On the origin of alkali feldspar megacrysts in granitoids. Part 2: evidence for nucleation and growth under magmatic co…
The mechanisms whereby alkali feldspar megacrysts form have been debated for several decades; yet, we do not understand well the processes that lead to their formation. We take ad…
Tagungsbericht SEDIMENT '99
[...] Der Autor berichtet vom 14. Treffen der Sedimentologen (SEDIMENT '99) an der Universität Bremen. Er gibt einen Überblick über das breite Themenspektrum der ca. 250 Teilnehme…
A study of extreme water waves using a hierarchy of models based on potential-flow theory
The formation of extreme waves arising from the interaction of three line-solitons with equal far-field amplitudes is examined through a hierarchy of water-wave models. The Kadomt…
Stromatoporoids and extinctions
Stromatoporoids are common shallow marine hypercalcified sponges in two major episodes with distinctive skeletal architectures: 1) Palaeozoic: Early to Middle Ordovician, to Late …
Geologisches Jahrbuch Hessen 2003
Band 131 des Geologischen Jahrbuchs Hessen versammelt Beiträge zur regionalen Geologie Hessens mit Schwerpunkten in Sedimentologie, Stratigraphie und Hydrogeologie. Thematisiert w…
Combining geological and historical archives to reconstruct flood variability in northwestern Italy during the last tho…
Understanding Earth’s changing climate is a crucial challenge. However, the available time series of direct measurements are often insufficient to fully capture climatic process t…
Ten simple rules to bridge ecology and palaeoecology by publishing outside palaeo-ecological journals
Due to a specialised methodology, palaeoecology is often regarded as a separate field from ecology even though it is essential to understand long-term ecological processes that ha…
Airborne Laserscanning für geologische Detailuntersuchungen und Abwehr bergbaubedingter Gefahren im Muskauer Faltenboge…
[...] Die Arbeit beschreibt den Einsatz des Airborne Laserscanning-Verfahrens (ALS) zur Erzeugung hochauflösender digitaler Geländemodelle in der dicht bewaldeten Stauchendmoräne …
Energy Use and Greenhouse Gas Emissions in Selected Tea Factories in Kenya
Tea sector is a major contributor to Kenya’s economy through foreign exchange via export. However, extensive amount of energy is required to produce one kilogram of tea, making te…
Downslope weakening of soil revealed by a rapid robotic rheometer
Moving down a hillslope from ridge to valley, soil develops and becomes increasingly weathered. Downslope variation in clay content, organic matter, and porosity should produce co…
Indoor and Ambient Influences on PM2.5 Exposure and Well-being for a Rail Impacted Community and Implications for Perso…
Background. Higher air pollution concentrations can be observed near rail networks, local and highway automobile corridors, and shipyards. Communities adjacent to such sources are…
Variable impact of wildfire smoke on ecosystem metabolic rates in lakes
Increasingly severe wildfires release smoke plumes that cover entire continents, depositing aerosols and reducing solar radiation fluxes to millions of freshwater ecosystems, yet …
Die Geologische Übersichtskarte im Maßstab 1 : 200 000 (GÜK 200) – Herausgegeben von der Bundesanstalt für Geowissensch…
[...] Mit der Veröffentlichung des Blattes Cottbus (CC 4750) wurde das flächendeckende Kartenwerk der Geologischen Übersichtskarte 1 : 200 000 (GÜK 200) für die gesamte Bundesrepu…
Potential Volcanic Origin of the 2023 short-period Tsunami in the Izu Islands, Japan
On October 8, 2023, at 21:40 UTC (6:40 on October 9 local time), a tsunami warning was declared for the Izu Islands and southwest Japan. This tsunami was initially considered to b…
A Compilation of Benchmark Pluvial Flood Datasets
urban pluvial flooding is a dangerous natural hazard that has become more common in recent years, making it a global threat to metropolitan areas. Surface water floods and flash f…
High-resolution luminescence-dated sediment record for the last two glacial-interglacial cycles from Rodderberg, Germany
The Rodderberg Volcanic Complex (RVC) is well-known for the long and probably continuous climate record archived in its crater basin, which lasts for several glacial-interglacial …
Graphics Processing Unit Assisted Computation for a Gas-Phase Chemical Solver in a Regulatory Chemical Transport Model
The Earth’s atmosphere is extremely complex due to the presence of several dynamic processes, such as dispersion, diffusion, deposition, and chemical reactions. There is a pressin…
Performance of Machine Learning for Ozone Modeling in Southern California during the COVID-19 Shutdown
We combine machine learning (ML) and geospatial interpolations to create two-dimensional high-resolution ozone concentration fields over the South Coast Air Basin (SoCAB) for the …
20 Jahre Landesamt für Bergbau, Geologie und Rohstoffe Brandenburg – Ein Rückblick und Ausblick auf die Zukunft
[...] Das Landesamt für Bergbau, Geologie und Rohstoffe Brandenburg (LBGR) feierte 2024 sein 20-jähriges Bestehen. Seit seiner Gründung im Jahr 2004 hat sich das LBGR als zentra…
Diskriminanzanalyse der Kleingeschiebestatistik an Geschiebemergeln der Prignitz
[...] Der Beitrag untersucht die stratigraphische Zuordnung glazialer Sedimente in der Prignitz mithilfe der Kleingeschiebe- bzw. Feinkieszählmethode. Da fossilleere Geschiebemerg…
Die Verbreitung der Bithynia tentaculata (Linnaeus) im europäischen Jungpleistozän
[…] Die Arbeit untersucht die Verbreitung der Süßwasserschnecke Bithynia tentaculata im europäischen Jungpleistozän. Anhand fossiler Nachweise aus fluviatilen und limnischen Sedim…
Geologisches Jahrbuch Hessen
DFG, SUB Göttingen
Elektromagnetische Methoden in der Geophysik
In diesem kurzen Artikel werden wir uns auf einige wenige, aber wichtige elektromagnetische Induktionsmethoden konzentrieren, wobei wir aus Anlass des 100. Geburtstags der Deutsch…
Pollenanalysen aus den Holstein-Interglazialen von Vörln und Wildschütz in Nordsachsen
[...] Aus der palynologischen Untersuchung der Bohrung Dahlen 1/85 bei Börlin konnte ein Pollendiagramm zusammengestellt werden, das die annähernd vollständige holstein-interglazi…
Brandenburgische Geowissenschaftliche Beiträge
[…] Die Ausgabe hebt den hohen Stellenwert aktuogeologischer Beobachtungen – insbesondere von Spitzbergen – für das Verständnis pleistozäner Strukturen in Brandenburg hervor. Im F…
Polare und marine Seismologie von den 1980er Jahren bis heute
Von Emil Wiecherts 17-t-Seismographen in der Erdbebenwarte Göttingen (Wiechert, 1904) bis zu Gerätepools mit Hunderten an tragbaren Seismometern (GFZ German Research Centre for Ge…
LAND-USE REQUIREMENTS OF SOLAR AND WIND POWER
Rising shares of wind power and solar power in energy systems raises concerns over their land-use requirements (LURs) and associated impacts. Although abundant literature is avail…
UMIS: An Integrated Cyberinfrastructure System for Water Quality Resources in the Upper Mississippi River Basin
The Upper Mississippi Information System (UMIS) is a cyberinfrastructure framework designed to support large-scale real-time water quality data integration, analysis, and visualiz…
A Review of Measurement for Quantification of Carbon Dioxide Removal by Enhanced Weathering in Soil
All pathways which limit global temperature rise to <2oC above pre-industrial temperatures now require carbon dioxide removal (CDR) in addition to rapid greenhouse gas emission…
ICESat-2 and ocean particulates: Building a roadmap for calculating Kd from space-based lidar photon profiles
ICESat-2’s Advanced Topographic Laser Altimeter System (ATLAS) has emerged as useful tool for calculating attenuation signals in natural surface waters, thus improving our underst…
Wohnraum Atlas Göttingen III - 150 Jahre ungelöste Wohnungsfrage
Überblick über die Wohnraumversorgung in Göttingen seit der Herausbildung eines kapitalistischen Wohnungsmarktes und Privateigentums ab Mitte des 19. Jahrhunderts, Entwicklung des…
From Zero to Hero: How to make the Carbon Management Challenge an ambitious lever in the climate fight
The Carbon Management Challenge (CMC) has set a goal of reaching a minimum of 1 billion tonnes per year of geological carbon dioxide storage by 2030. While in line geological stor…
Unintended consequences of nature-based solutions: Social equity and flood buyouts
Nature-based solutions (NbS) can serve as effective strategies to promote the resilience of both people and ecosystems in the face of climate change. However, these solutions can …
Medieval and recent SO2 budgets in the Reykjanes Peninsula: implication for future hazard
Exposure to volcanic SO2 can have adverse effects on human health, with severe respiratory disorders documented on short- and long-term timescales. Here, we use melt inclusion and…
Buchbesprechung
[…] Die Buchbesprechung stellt die 1998 erschienene „Wirtschaftsgeographie Deutschlands“ von Kulke vor, die erstmals nach der deutschen Wiedervereinigung eine umfassende wirtschaf…
Plagioclase-saturated melt hygrothermobarometry and plagioclase-melt equilibria using machine learning
Compositions of plagioclase-melt pairs are commonly used to constrain temperatures (T), dissolved water contents (H2O) and pressures (P) of pre-eruptive magma storage and transpor…
Towards parameterizing eddy-mediated transport of Warm Deep Water across the Weddell Sea continental slope
The transport of Warm Deep Water (WDW) onto the Weddell Sea continental shelf is associated with a heat flux and strongly contributes to the melting of Antarctic ice shelves. The …
Diurnal Warm Layers in the ocean: Energetics, non-dimensional scaling, and parameterization
Diurnal Warm Layers (DWLs) form near the surface of the ocean on days with strong solar radiation, weak to moderate winds, and small surface-wave effects. Here, we use idealized s…
Luminescence Profiling and Flood Sediments from an Arctic Lake Over the Last Millenia
A small Arctic floodplain-lake (Tendammen, Colesdalen valley) in Svalbard revealed a laminated sediment sequence with numerous 14C AMS age-depth reversals in its 800 year history.…
High resolution landslide susceptibility mapping using ensemble machine learning and geospatial big data
Landslide susceptibility represents the potential of slope failure for given geo-environmental conditions. The existing landslide susceptibility maps suffer from several limitatio…
Calculating Standardised Indices Using SEI
Standardised indices are measurements of variables on a standardised scale. The standardised scale facilitates comparisons between different variables, and its probabilistic inte…
Rate-Controlled Porosimetry: A State-of-the-Art Review
Rate-controlled porosimetry is a powerful technique for studying the pore structure of porous media and the physical properties of porous media. This technique involves injecting …
Geospatial Variation in Carbon Accounting of Low-Carbon Hydrogen Production Pathways: Implications for the Inflation Re…
Low-carbon hydrogen is considered a key component of global energy system decarbonization strategy. The US Inflation Reduction Act includes incentives in the form of production ta…
Das internationale geomagnetische Referenzfeld (IGRF 85) von 1989.5 für Hessen in 300 m ü. NN
[…] Mit Hilfe der Koeffizienten des internationalen geomagnetischen Referenzfeldes IGRF 85 wird ein magnetisches Normalfeld für Hessen zum Zeitpunkt 1. Juli 1989 in 300 m Höhe übe…
Convergence in simulating global soil organic carbon by structurally different models after data assimilation
The current generation of biogeochemical models produce large uncertainty in carbon-climate feedback projections. Structural differences in these models have been identified as a …
Advancing hydrological monitoring using image-based techniques: challenges and opportunities
Enhanced and effective hydrological monitoring plays a crucial role in understanding water-related processes in a rapidly changing world. This paper explores the challenges and op…
Köppen Geiger climatic classification for R users.
Here we introduce an R version of the Matlab function from Beck et al. (2018), designed to classify monthly temperature and precipitation data according to Köppen Geiger climate c…
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