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Showing 34651 to 34700 of 59105 works
Concepts of space, time and scale
Concepts of space, time and scale as well as their underpinning theories are crucial for understanding geospatial data. Space can be defined as a boundless, three-dimensional (3D)…
Fundamental laws and principles in geoinformation science
Scientific laws are empirical statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena. There are scientific laws and law-l…
Individual tree detection and characterization using 3D remote sensing
Here, we will cover individual tree detection and characterization using 3D remote sensing. Simply, it means that point clouds are collected over a forested area using airborne la…
Jens Westrup †
[...] Nachruf auf den am 20. April 2003 verstorbenen Geologen Dr. Jens Westrup (geb. 1940), der seit 1970 am Hessischen Landesamt für Bodenforschung tätig war. Der Text würdigt se…
Introduction to geoinformation science
Here, we define a geoinformation system (GIS) as a system, which is designed to capture, store, manipulate, analyze, manage, and present geospatial data. In university education, …
Identification of Hydrologic Landscapes in Brazilian basins and its application as indicator of water yield and storage
This study aimed to use the Hydrologic Landscapes as environmental classification method in the Piracicaba, Capivari and Jundiaí river basins, validate and use it as an indicator …
[Neue Nr. 5718] Rodheim / Geologische Karte
Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierun…
Turbidites, Topography and Tectonics: Evolution of submarine channel-lobe systems in the salt-influenced Kwanza Basin, …
Understanding the evolution of submarine channel-lobe systems on salt-influenced slopes is challenging as systems react to seemingly subtle changes in sea-floor topography. The im…
Seismic electric signals (SES) and earthquakes: A review of an updated VAN method and competing hypotheses for SES gene…
Electromagnetic phenomena are sometimes associated with seismic events, but earthquake prediction using seismic electric signals (SES) has not been seriously considered since the …
Is the Aftershock Zone Area a Good Proxy for the Mainshock Rupture Area?
The locations of aftershocks are often observed to be on the same fault plane as the mainshock and used as proxies for its rupture area. Recent developments in earthquake relocati…
Measuring Azimuth Deformation With L-Band ALOS-2 ScanSAR Interferometry
We analyze the methods for measuring azimuth deformation with the L-band Advanced Land Observing Satellite-2 (ALOS-2) scanning synthetic aperture radar (ScanSAR) interferometry. T…
Estimating Azimuth Offset With Double-Difference Interferometric Phase: The Effect of Azimuth FM Rate Error in Focusing
Estimating azimuth offset with double-difference interferometric (DDI) phase, which is called multiple-aperture interferometric synthetic aperture radar (InSAR) or spectral divers…
Rethinking Groundwater Age
The ideas that old or “fossil” groundwater cannot be pumped sustainably, or that recently recharged groundwater is inherently sustainable are both mistaken. Both old and young gro…
Eine hydrothermale Goldmineralisation im Zechsteinkonglomerat der Silberkuhle bei Korbach
[...] Die Goldmineralisation des Zechsteinkonglomerats der Silberkuhle bei Korbach (Nordhessen) ist auf die epigenetisch-hydrothermale Zufuhr des Edelmetalls zurückzuführen. Bishe…
Initial Exploration Free Floating CO2 Fixation Catalysts
Climate change as an inextricable and dire threat to humanity is well established. The primary problem stems from an excess of carbon dioxide in earths atmosphere and oceans causi…
Climate controls the length and shape of the world’s drainage basins
Submitted manuscript currently under review at Geophysical Research Letters (American Geophysical Union publication).
Global Sensitivity Analysis to Optimize Basin-Scale Conductive Model Calibration – A Case Study From the Upper Rhine Gr…
Calibrating geothermal simulations is a critical step, both in scientific and industrial contexts, with suitable model parameterizations being optimised to reduce discrepancies be…
POSSIBILITIES OF CHANGE DETECTION OF TREE AND FOREST ATTRIBUTES BY COMBINING TERRESTRIAL LASER SCANNING BASED 3D POINT …
Exact and up-to-date information about forest resources is needed for decision makers when planning the use of forests. Knowledge about changes in forest environment and tree grow…
Allgemeine Informationen zur Erdgasfernleitung OPAL (Ostsee-Pipeline-Anbindungs-Leitung) – Abschnitt Brandenburg
[...] Der Artikel bietet einen umfassenden Überblick über das Infrastrukturprojekt der Erdgasfernleitung OPAL, die als landseitige Fortführung der „Nord Stream“-Pipeline fungiert.…
Ultraviolet camera measurements of passive and explosive sulphur dioxide emissions at Yasur volcano, Vanuatu
Here, we present the first ultraviolet (UV) camera measurements of sulphur dioxide (SO2) flux from Yasur volcano, Vanuatu, for the period 6th – 9th July 2018. These data yield the…
Continuum of earthquake rupture speeds enabled by oblique slip
Earthquake rupture speed can affect ground shaking and thus seismic hazard. Seismological observations show that large earthquakes span a continuum of rupture speeds, from slower …
International disparities in open access practices of the Earth Sciences community
Short communication on international disparities in open access practices of the Earth Sciences community
A Spatially Explicit Satellite-Derived Surface Urban Heat Island Database for Urbanized Areas in the United States: Cha…
The urban heat island (UHI) effect is strongly modulated by urban-scale changes to the aerodynamic, thermal, and radiative properties of the Earth’s land surfaces. Interest in thi…
The mechanism of Mg diffusion in forsterite and the controls on its anisotropy
Mg diffusion is important for explaining many rheological properties in forsterite but its mechanism is unknown. Without knowing a mechanism the effect of variables such as press…
Early evidence that COVID-19 government policies reduce urban air pollution
Governments have a solemn responsibility to ensure the health and well-being of the populations they govern. The COVID-19 pandemic reveals just how serious governments take this r…
A New Synergistic Approach for Monitoring Wetlands Using 1 Sentinels -1 and 2 data With Object-based Machine Learning 2…
In this work the synergistic use of Sentinel-1 and 2 combined with the System for Automated Geoscientific Analyses (SAGA) Wetness Index in the content of land use/cover (LULC) ma…
Shallow-water mudstone architecture and depositional process variability: evidence for heterogeneity at kilometre-scale
Mudstone studies that use a large spacing (>5km) between datapoints provide little insight into the architecture and depositional process variability at kilometre scale. This o…
Nachruf für Professor Dr. Hans-Joachim Bautsch
[...] Der Nachruf würdigt das Leben und Wirken von Professor Dr. Hans-Joachim Bautsch (1929–2005), einem der profiliertesten Mineralogen und Petrologen der Nachkriegsgeneration an…
RainDisaggGAN - Temporal Disaggregation of Spatial Rainfall Fields with Generative Adversarial Networks
Creating spatially coherent rainfall patterns with high temporal resolution from data with lower temporal resolution is an important topic in many geoscientific applications. From…
Otto Schmitt †
[...] Nachruf auf den Leitenden Geologiedirektor a.D. Dr. Otto Laurin Schmitt (1919–2000), der lange Jahre als Hydrogeologe und zuletzt als Abteilungsleiter am Hessischen Landesam…
Saturation excess overland flow accelerates the spread of a generalist soil-borne pathogen
Plant pathogens are a major agent of disturbance in ecosystems worldwide. Disturbance by disease can alter the hydrological function of affected ecosystems. However, many plant pa…
Streamflow depletion estimation for conjunctive water management in a heavily-stressed aquifer using analytical depleti…
Groundwater pumping can lead to reductions in streamflow (‘streamflow depletion’) and estimating streamflow depletion is critical for conjunctive groundwater-surface water managem…
Seismic expression, structure and evolution of flow cells within a mass-transport complex
Mass flows evolve longitudinally during emplacement, but they can also vary laterally by forming discrete, shear zone-bound intraflow cells with different rheological states. Desp…
Halotectonic Lineaments on both sides of Odra Valley
[…] Die Studie untersucht halotektonische Lineamente auf beiden Seiten des Odertals, die durch Bewegungen von Salzstrukturen infolge der Ausdehnung und des Rückzugs großer pleisto…
Unexpected meteotsunamis prior to the Typhoon Wipha
On October 15, 2013, unexpected meteotsunamis occurred prior to Typhoon Wipha located the distance of ~1,100 km from the center of the cyclone to the Tokyo bay. The occurrences we…
Against Steady State
Nature is never at a steady state. Natural history is generated by ever-new and ever-interacting forces that produce continuous changes. At virtually all timescales, the geologica…
Subglaziale Rinnen in Norddeutschland: Analyse des aktuellen Kenntnisstands und ihre Relevanz für die Langzeitsicherhei…
[…] Der Artikel „Subglaziale Rinnen in Norddeutschland: Analyse des aktuellen Kenntnisstands und ihre Relevanz für die Langzeitsicherheit in der Endlagerung“ von Sonja Breuer, Ank…
Toward stable, general machine-learned models of the atmospheric chemical system
Atmospheric chemistry models—used as components in models that simulate air pollution and climate change—are computationally expensive. Previous studies have shown that machine-le…
Evaluating the capabilities of optical/TIR imagine sensing systems for quantifying soil water…
Surface Soil Moisture (SSM) is a key parameter of the global energy and water cycle and knowing its spatio-temporal variability is of key importance in an array of research topics…
INTERACTIONS OF DEEP-WATER GRAVITY FLOWS AND ACTIVE SALT TECTONICS
Sediment gravity flow behaviour is influenced by seafloor topography associated with salt structures, which controls the depositional architecture of deep-water sedimentary system…
Bio- und lithostratigraphische Untersuchungen an limnisch-fluviatilen Sedimenten aus dem Eem-Interglazial im unteren Pe…
[...] Im Rahmen von Baugrunduntersuchungen für die OPAL-Erdgasleitung wurden im unteren Peenetal (Vorpommern) bedeutende pleistozäne Sedimentfolgen erschlossen, die in diesem Fach…
External control and automatic calibration of the HEC-RAS NSM-I water quality model
Calibration of models is a common procedure required to properly reproduce a system under analysis. In the present study, we developed a tool integrating the HEC-RAS NSM-I water q…
Rapid Tidal Marsh Development in Anthropogenic Backwaters
Tidal marsh restoration and creation has been proposed as a tool to build coastal resilience in the face of rising sea level and increasing intensity of coastal storms. However, i…
Distributed long-term hourly streamflow predictions using deep learning – A case study for State of Iowa
Accurate streamflow forecasting has always been a challenge. Although there were many novel approaches using deep learning models, accuracy of these models is often limited to a s…
On the potential of preprints in geochemistry: the good, the bad and the ugly
Short communication on the use of preprint in geochemistry
Editorial: Geoscience in a time of pandemics
We, the Executive Editors at Geoscience Communication, sincerely hope that this message finds you and your loved ones in good health. We are in the midst of yet another global hea…
Rupture Kinematics of January 24, 2020 Mw 6.7 Doğanyol-Sivrice, Turkey Earthquake on the East Anatolian Fault Zone Imag…
Here we present the results of a kinematic slip model of the 2020 Mw 6.7 Doğanyol-Sivrice, Turkey Earthquake, the most important event in the last 50 years on the East Anatolian F…
A sedimentological approach for classifying sub-surface mine wastes: implications for shallow mine geothermal energy
Following sub-surface coal extraction, workings become flooded and represent a potential aquifer for shallow geothermal development projects. We investigate the internal structure…
Lithologische und pollenanalytische Befunde aus dem saalefrühglazialen Fluviatilkomplex (Tranitzer Fluviatil) und dem E…
[...] In diesem Fachartikel werden neue lithostratigraphische und paläontologische Ergebnisse aus dem Braunkohlentagebau Jänschwalde vorgestellt. Im Fokus steht das „Tranitzer Flu…
Sandy beaches can survive sea-level rise
It has been asserted by Vousdoukas et al., that climate change, in particular global sea-level rise (SLR), poses a threat to the existence of sandy beaches. The authors used globa…
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