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Showing 35651 to 35700 of 59105 works
Integrated Formation Attenuation and Multiple Generator Identification from Multi-well VSP Data
The Vertical Seismic Profile (VSP) is a widely used technique for extracting velocity information and seismic well tie purposes. However, the full potential of VSP data remains un…
Macroplastic fragmentation in rivers
The process of macroplastic (>0.5 cm) fragmentation results in the production of smaller plastic particles (micro- and nanoplastics), which threaten biota and human health and are…
Maxar’s WorldView-3 Enables Low-Concentration Methane Detection from Space
Methane is large contributor to climate change; for this reason, detecting and eliminating sources of methane emissions is a key element to minimizing the effects of on-going clim…
Didaktischer Ansatz und grafische Umsetzung der Schautafeln an den brandenburgischen Geopark-Touren im Muskauer Faltenb…
[...] Der Beitrag erläutert das Konzept und die Gestaltung der Informationstafeln für den brandenburgischen Teil des Geoparks Muskauer Faltenbogen. Diese international bedeutende …
Salt‑rich versus salt‑poor structural scenarios in the central Northern Calcareous Alps: implications for the Hallstatt…
One of the most remarkable features of the central Northern Calcareous Alps (Eastern Alps, Austria) is the widespread presence of Upper Triassic deep-water carbonates (the Hallsta…
The role of thermal notch erosion in forcing localised calving failure and short-term increases in velocity at a lake-t…
We utilised repeat high-resolution UAV-SfM surveys, alongside terrestrial photography acquired in-situ, to investigate, for the first time, the role of thermal notch erosion in fo…
Linking 3D long-term slow-slip cycle models with rupture dynamics: the nucleation of the 2014 Mw 7.3 Guerrero, Mexico e…
Slow slip events (SSEs) have been observed in spatial and temporal proximity to megathrust earthquakes in various subduction zones, including the 2014 $M_\mathrm{w}$7.3 Guerrero, …
Global mean sea level higher than present during the Holocene
Global mean sea-level (GMSL) change can provide insight on how ice sheets, glaciers, and oceans respond to warming[1;2]. The Holocene (11.7 ka to present) marks a time when temper…
GOES-R land surface products at Western Hemisphere eddy covariance tower locations
The terrestrial carbon cycle varies dynamically over short periods that can be difficult to observe. Geostationary (“weather”) satellites like the Geostationary Environmental Oper…
Exponential life-threatening rise of the global temperature
Global temperatures are rising. This paper demonstrates for the first time that the global temperature increase has not been linear but is exponential with a doubling time of abo…
The Future in Anthropocene Science
The Anthropocene is the present time of human-caused accelerating global change, and new forms of Anthropocene risk are emerging that society has hitherto never experienced. Scien…
Buchbesprechung: Eckart, K.: Agrargeographie Deutschlands: Agrarraum und Agrarwirtschaft Deutschlands im 20. Jahrhundert
[...] Der Rezensent bespricht das Werk von Karl Eckart, das eine detaillierte Chronik der deutschen Agrarpolitik und -wirtschaft des 20. Jahrhunderts darstellt. Das Buch analysier…
Developing the future visions for seamless multi-hazard warning for volcanic eruptions
Much work has been done to build arrangements between volcanology and meteorology to handle the aviation risks from volcanic ash. This workshop will discuss how to approach collab…
Strategic Logic of Unilateral Climate Intervention
Climate change and unabated greenhouse gas emissions are increasing the possibility that the world will turn to climate intervention to curb ever-increasing global temperatures. T…
Carbon Utilization and Storage through Rehabilitation of Groundwater Wells
According to the Intergovernmental Panel on Climate Change (IPCC) of the United Nations (UN), rise in atmospheric concentration of carbon dioxide (CO2) due to anthropogenic factor…
Mind the gap: will slow progress on CO2 storage undermine net zero by 2050?
A global path to net zero requires the permanent storage of carbon dioxide to reduce and remove atmospheric greenhouse gas emissions. We present an analysis of the gap between the…
Percolation Model for Universal Scaling of Vegetation Net Primary Productivity with Climate Variables
We show that a quantitative, physically-based model of water balance, combined with a model for the dependence of net primary productivity (NPP) of vegetation on evapotranspiratio…
Spatiotemporal inconsistencies in Landsat satellite observations bias environmental-change analyses and monitoring
Satellite remote sensing is vital for research, monitoring, and policy addressing environmental-change and sustainability issues from climate and ecosystem changes to food and wat…
Inferring Inherent Optical Properties of Sea Ice Using 360-Degree Camera Radiance Measurements
In this work, we demonstrate the utilization of a compact, consumer-grade 360-degree camera for measuring the in-ice spectral angular radiance distribution. This novel technique a…
The effects of boundary proximity on Kelvin-Helmholtz instability and turbulence
Studies of Kelvin-Helmholtz (KH) instability have typically modelled the initial flow as an isolated shear layer. In geophysical cases, however, the instability often occurs near …
Geothermie Forschungsbohrung in Groß Schönebeck – von der Planung bis zur Stimulation
[...] Dieser Fachartikel dokumentiert die Entwicklung und den Betrieb des geothermischen In-situ-Tiefenlabors in Groß Schönebeck (Nordbrandenburg). Ziel des Projektes ist es, die …
Evaluating the spatial patterns of NOx emissions in polluted areas with TROPOMI NO2
Satellite datasets are increasingly used to evaluate NOx emissions inventories. Such studies often require the use of a chemical transport model or a complex statistical framewor…
Unravelling the morphogenesis of coastal terraces at Cape Laundi (Sumba Island, Indonesia): insights from numerical mod…
The morphology of coastal sequences provides fundamental observations to unravel past sea level (SL) variations. For that purpose, converting morphometric observations into a SL d…
Harmonizing GCW Cryosphere Vocabularies with ENVO and SWEET: Towards a General Model for Semantic Harmonization
This paper presents the specific process we, as part of the Earth Science Information Partners (ESIP) Semantic Harmonization Cluster, used to harmonize terms from the Global Cryos…
Fluid inclusions technique for porphyry deposit exploration: The Rosario porphyry Cu-Mo deposit
Porphyry ore deposits are the largest source of copper, molybdenum, gold, and silver in the world. Various exploration techniques have been developed due to their importance as a …
Die geologische Karte von Preußen im Maßstab 1: 25 000 jetzt auch auf CD
[...] Das Landesamt für Geowissenschaften und Rohstoffe Brandenburg (LGRB) hat im Jahr 2002 damit begonnen, die historischen Blätter der Geologischen Karte 1:25 000 (GK 25) zu dig…
MinDet1: A Deep Learning-enabled Approach for Plagioclase Textural Studies
Textural information, such as crystal size distributions (CSDs) or crystal aspect ratios are powerful tools in igneous petrography for interrogating the thermal history of rocks. …
Emplacement and associated sedimentary record of the Jurassic submarine salt allochthon of the Wurzeralm (Eastern Alps,…
A fossil salt sheet emplaced in the Jurassic in submarine conditions is described in the Eastern Alps of Austria, providing unique insights into the emplacement of similar submari…
Ecological Flows in Southern Europe: status and trends in non-perennial rivers
The concept of environmental flows (E-Flows) describes the streamflow that is necessary to maintain river ecosystems. Although a large number of methods have been developed, a del…
Einsatz automatisierter Rasterelektronenmikroskopanalyse an fluviatilen und glazifluviatilen Sanden
[…] Das Forschungsteam präsentiert den Einsatz von Fernerkundungs- und GIS-gestützten Methoden zur Überwachung geogener Gefahren in ehemaligen Bergbaugebieten Niederschlesiens. Ba…
Oxidoreductases and metal cofactors in the functioning of Earth
Life sustains itself using energy generated by thermodynamic disequilibria, commonly existing as redox disequilibria. Metals are significant players in controlling redox reactions…
Einiges zur frühen Conodonten-Forschung in Deutschland
[…] Der Beitrag beschreibt die frühe Geschichte der Conodonten-Forschung in Deutschland seit den späten 1940er Jahren. Im Mittelpunkt stehen die Arbeiten von Heinz Beckmann, Günth…
Solving a seismic mystery with a diver’s camera: A case of shallow water T -waves in the Persian Gulf
Sparse offshore coverage of seismic networks has hindered detailed studies of submarine earthquakes and their associated seismic hazard. We present results of our analysis of a di…
Dynamic hydrological niche segregation: how plants compete for water in a semiarid ecosystem
Hydrological niche segregation (HNS), which refers to differences in root water uptake depth and physiological traits among coexisting species, remains poorly understood especiall…
A Stability Analysis of Neural Networks and Its Application to Tsunami Early Warning
Neural networks (NNs) enable precise modeling of complicated geophysical phenomena but are sensitive to small input changes. In this work, we present a new method for analyzing th…
Umsetzung Geologiedatengesetz in Brandenburg – Onlineportal zum Anzeigeverfahren geologischer Untersuchungen
[…] Das Landesamt für Bergbau, Geologie und Rohstoffe in Cottbus (LBGR) hat ein neues Online-Portal zur Anzeige geologischer Untersuchungen gemäß Geologiedatengesetz (GeolDG) eing…
Complex networks for analyzing the urban acoustic environment
The urban acoustic environment (AE) provides comprehensive acoustic information related to the diverse systems of urban areas, such as traffic, the built environment, or biodivers…
A Climate Counternarrative: Dubious Carbon Accounting is Making a Canopy Problem Look Like an Energy Problem (for Conse…
The modern rise in atmospheric carbon dioxide is man-made but driven by land stewardship changes rather than industrial activities like fossil fuels. Carbon cycle research fails …
Lived Experience of Climate Change and The Impact on Health and Health Inequalities: A systematic review of qualitative…
Climate change is one of the biggest threats to public health in the 21st century. To date little action has been undertaken globally to mitigate the risks of climate change. The …
Do slow slip earthquakes inhibit catastrophes? Geologic evidence from the Guerrero segment, Mexican subduction zone
Globally, the largest tsunamigenic earthquakes have occurred along subduction zones. The Mw>9 devasting events in Chile, Sumatra, and Japan struck in areas where no instrumental r…
Different mechanisms of Arctic first-year sea-ice ridge consolidation observed during the MOSAiC expedition
Sea-ice ridges constitute a large fraction of the ice volume in the Arctic Ocean, yet we know little about the evolution of these ice masses. Here we examine the thermal and morph…
Untersuchungen zur Fauna des Berliner Grundwassers – erste Ergebnisse
[...] Der Beitrag stellt die ersten Ergebnisse einer systematischen Erfassung der Grundwasserfauna im Stadtgebiet von Berlin vor, wobei die biologische Vielfalt als Indikator für …
Glacial Isostatic Adjustment reduces past and future Arctic subsea permafrost
Sea-level rise submerges terrestrial permafrost in the Arctic, turning it into subsea permafrost. Subsea permafrost underlies ∼1.8 million km^2 of Arctic continental shelf, with t…
Technology cannot fix this: To stay within planetary boundaries, plastic growth must be tackled
In this Matters Arising, we respond to a recent article by Bachmann et al.1 We argue that dealing with plastics pollution as a novel entity within the planetary boundaries framewo…
Ice flow model emulator based on physics-informed deep learning
Convolutional Neural Networks (CNN) trained from high-order ice flow model realizations have proven to be outstanding emulators in terms of fidelity and computational performance.…
Environmental controls on the brGDGT and brGMGT distributions across the Seine River basin (NW France): Implications fo…
Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are bacterial lipids that have been largely used as environmental proxies in continental paleorecords. Another group of re…
Slip-stuck kinematics of fault surfaces in laboratory experiments: implications for heterogeneous slip distributions du…
Combining field observations with analogue laboratory experiments, this study aims to use surface-roughness characteristics as an indicator of the heterogeneous slip partitioning …
Zirkonalter von drei verschiedenen Metavulkaniten aus dem Südtaunus
[…] Altersbestimmungen an Zirkonen aus Metavulkaniten des Südtaunus ergaben unterschiedliche Alterswerte für Serizitgneis Felsokeratophyr und Grünschiefer Diese Alter werden als I…
Subsurface storage capacity in underexplored sedimentary basins: Hydrogen and carbon dioxide storage on the Irish Atlan…
As Ireland looks westwards to its Atlantic coastline to develop its renewable energy ambitions, offshore sedimentary basins on the Irish Atlantic margin offer significant potentia…
The complex role of local governance in facilitating property buyouts and managed retreat in response to climate hazards
Managed retreat is an increasingly important management option for responding to the localized impacts of climate change and poses a complex governance challenge. Floodplain prope…
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