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Showing 551 to 600 of 5157 works
Can a Raspberry Shake Seismic Network Complement a National Seismic Network? A case study in Haiti
Complex networks of high-tech sensors are tough to operate and maintain in developing countries – but new low-costs, low-maintenance instruments may help. Because they are “connec…
High-resolution prediction of organic matter concentration with hyperspectral imaging on a sediment core
In the case of environmental samples, the use of a chemometrics-based prediction model is highly challenging because of the difficulty in experimentally creating a well-ranged ref…
Bayesian atmospheric correction over land: Sentinel-2/MSI and Landsat 8/OLI
Mitigating the impact of atmospheric effects on optical remote sensing data is critical for monitoring intrinsic land processes and developing Analysis Ready Data (ARD). This work…
Technical note on the multi-GNSS, multi-frequency and near real-time ionospheric TEC monitoring system for South America
Development of regional services able to provide ionospheric total electron content (TEC) maps with a high spatial resolution, and in near real-time, are of high importance for ap…
Long Range Correlation in Redox Potential Fluctuations Signals Energetic Efficiency of Bacterial Fe(II) Oxidation
Differentiating biotic and abiotic processes in nature remains a persistent challenge, specifically in evaluating microbial contributions to geochemical processes through time. Bu…
Deep Learning Application for 4D Pressure Saturation Inversion Compared to Bayesian Inversion on North Sea Data
In this work we present a deep neural network inversion on map-based 4D seismic data for pressure and saturation. We present a novel neural network architecture that trains on sy…
geomIO: an open-source MATLAB toolbox to create the initial configuration of 2D/3D thermo-mechanical simulations from 2…
Creating the initial geometry and temperature configuration of 3D numerical simulations is a challenging task. Professional tools are expensive. They often have a steep learning c…
Reconstruction of Cloud Vertical Structure with a Generative Adversarial Network
We demonstrate the feasibility of solving atmospheric remote sensing problems with machine learning using conditional generative adversarial networks (CGANs), implemented using co…
Bayesian Dynamic Finite-Fault Inversion: 2. Application to the 2016 Mw6.2 Amatrice, Italy, Earthquake
In 2016 Central Italy was struck by a sequence of three normal faulting earthquakes with moment magnitude (Mw) larger than 6. The Mw 6.2 Amatrice event (08/24) was the first one, …
The influence of base-salt relief, rift topography and regional events on salt tectonics offshore Morocco
This study integrates borehole-calibrated 2D and 3D seismic interpretation with numerical models to provide a regional analysis of the complex salt tectonics offshore central Moro…
PREPRINT- Adsorption behavior of new theophylline-triazole based derivatives as effective corrosion inhibitors for stee…
The design and synthesis of a series of theophylline derivatives containing 1,2,3-triazole moieties is presented. The corrosion inhibition activities of these new triazole-theophy…
Minibasin depocentre migration during diachronous salt welding, offshore Angola
Salt tectonics is an important part of the geological evolution of many continental margins, yet the four-dimensional evolution of the minibasins, the fundamental building block o…
Coupled, Physics-based Modeling Reveals Earthquake Displacements are Critical to the 2018 Palu, Sulawesi Tsunami
The September 2018, Mw 7.5 Sulawesi earthquake occurring on the Palu-Koro strike-slip fault system was followed by an unexpected localized tsunami. We show that direct earthquake-…
Modeling megathrust earthquakes across scales: one-way coupling from geodynamics and seismic cycles to dynamic rupture
Taking the full complexity of subduction zones into account is important for realistic modelling and hazard assessment of subduction zone seismicity and associated tsunamis. Study…
Reconstructing the Anak Krakatau flank collapse that caused the December 2018 Indonesian tsunami
Volcanogenic tsunamis are one of the deadliest volcanic phenomena. Understanding their triggering processes and mitigating their effect remains a major challenge. On 22 December 2…
McHargue et al Architectural Diversity of Submarine Lobes
The most popular model for submarine unconfined lobate deposits has the following attributes: (1) a single feeder channel that delivers sediment, (2) a set of distributary channel…
The Stratigraphic Record of Minibasin Subsidence, Precaspian Basin, Kazakhstan
Minibasins are fundamental components of many salt-bearing sedimentary basins, where they may host large volumes of hydrocarbons. Although we understand the basic mechanics govern…
Current Development of Tourism and Recreation on Baltic Sea Coasts: New Directions and Perspectives
Research work analyses current situation and development of tourism in the region of Baltic Sea. Specific case study of this paper is Pärnu Bay, Estonia. This region is known for …
Current Problems of Water Supply and Usage in Central Asia, Tian Shan Basin
The paper focuses on analysis of Central Asian hydro-energetic system and water usage in Tian Shan region. Tian Shan system is an important water resource in Central Asia: river w…
Opportunities for Classes of Geography in the High School: the Use of ’CORINE’ Project Data, Satellite Images and IDRIS…
Presented work illustrates application of the GIS based processing of various geographic data: satellite images and CORINE (Coordination of Information on the Environment) layers …
Structural architecture and composition of crystalline basement offshore west Norway
Numerous studies have investigated the geodynamic history and lithological composition of the Proterozoic basement, Caledonian nappes, and Devonian extensional basins and shear zo…
Bayesian Dynamic Finite-Fault Inversion: 1. Method and Synthetic Test
Dynamic earthquake source inversions aim to determine the spatial distribution of initial stress and friction parameters leading to dynamic rupture models that reproduce observed …
Gap Filling of High-Resolution Soil Moisture for SMAP/Sentinel-1: A Two-Layer Machine Learning-Based Framework
As the most recent 3 km soil moisture product from the Soil Moisture Active Passive (SMAP) mission, the SMAP/Sentinel-1 L2_SM_SP product has a unique capability to provide global-…
Further evidence for magmatic bias in 14C dating of the Taupo and other major eruptions: response to Hogg et al. https:…
We appreciate the opportunity to respond to Hogg et al.’s critique of HDK182. We consider that neither the arguments nor the additional data presented by Hogg et al. provides a ba…
POSTPRINT-Adsorption and corrosion inhibition behavior of new theophylline-triazole based derivatives for steel in acid…
The design and synthesis of a series of theophylline derivatives containing 1,2,3-triazole moieties is presented. The corrosion inhibition activities of these new triazole-theophy…
Heavy rainfall in Paraguay during the 2015-2016 austral summer: causes and sub-seasonal-to-seasonal predictive skill
During the austral summer 2015/16, severe flooding displaced over 170 000 people on the Paraguay River system in Paraguay, Argentina, and southern Brazil. These floods were driven…
Surface Wave Imaging using Distributed Acoustic Sensing Deployed on Dark Fiber: Moving Beyond High Frequency Noise
Several recent studies have demonstrated that Distributed Acoustic Sensing (DAS) can utilize existing subsurface telecom fiber (i.e. dark fiber) for high quality seismic measureme…
Geochemical characterisation of the Late Quaternary widespread Japanese tephrostratigraphic markers and correlations to…
Large Magnitude (6-8) Late Quaternary Japanese volcanic eruptions are responsible for widespread ash (tephra) dispersals providing key isochrons suitable for the synchronisation a…
Protracted thermal evolution of the Neoproterozoic Araçuaí hot orogen (SE Brazil): consequences for rheology, strain di…
The Araçuaí-Ribeira belt formed during the amalgamation of West Gondwana in the late Neoproterozoic. Its evolution encompasses a main tectono-metamorphic peak at 600-580 Ma and a …
An investigation into the role of time-dependent cohesion in interseismic fault restrengthening
Earthquakes typically exhibit recurrence times that far exceed time-scales attainable in a laboratory setting. To traverse the temporal gap between the laboratory and nature, the …
The Urban Heat Island (UHI) is a major source of uncertainty in projections of population-weighted surface temperature …
Rising global mean temperatures and an increase in the fraction of the population living in urban areas is leading to a number of grand challenges. Contrasting area-weighted and p…
Influence of grain boundary structural evolution on pressure solution creep rates
Intergranular pressure solution is a well-known rock deformation mechanism in wet regions of the upper crust, and has been widely studied, especially in the framework of compactio…
Detection of delay in post-monsoon agricultural burning across Punjab, India: potential drivers and consequences for ai…
Since the Green Revolution in the mid-1960s, a widespread transition to a rice-wheat rotation in the Indian state of Punjab has led to steady increases in crop yield and productio…
Dynamic Rupture Propagation on Fault Planes with Explicit Representation of Short Branches
Active fault zones are homes for a plethora of complex structural and geometric features that are expected to affect earthquake rupture nucleation, propagation, and arrest, as wel…
Connecting fluvial levee deposition to flood-basin hydrology
In this study we seek to understand the controls on where levees form and what sets their size and shape.
The Future of Broadband Passive Seismic Acquisition
It is an exciting time to be a seismologist. In November 2018, the InSight lander touched down on Mars and the first seismometer was deployed on another planet. This incredible fe…
Living at the Extremes: Extremophiles and the Limits of Life in a Planetary Context
Prokaryotic life has dominated most of the evolutionary history of our planet, evolving to occupy virtually all available environmental niches. Extremophiles, especially those thr…
Effect of fault roughness on aftershock distribution: Plastic off-fault material properties
We perform spontaneous earthquake rupture simulations on rough strike- slip faults with off-fault plastic material properties. We examine the off-fault stress change and damage pa…
Globally Standardized MODIS Spectral Mixture Models
This analysis presents standardized substrate, vegetation, and dark (S, V, & D) endmembers (EMs) for spectral mixture analysis (SMA) of MODIS daily nadir-looking BRDF-adjusted…
Carbonate and silicate intercomparison materials for cosmogenic 36Cl measurements
Two natural mineral separates, labeled CoCal-N and CoFsp-N, have been prepared to serve as intercomparison material (ICM) for in situ-produced cosmogenic 36Cl and natural chlorine…
Beo v1.0: Numerical model of heat flow and low-temperature thermochronology in hydrothermal systems
Low-temperature thermochronology can provide records of the thermal history of the upper crust and can be a valuable tool to quantify the history of hydrothermal systems. However,…
Factor Analysis by R Programming to Assess Variability Among Environmental Determinants of the Mariana Trench
The aim of this work is to identify main impact factors affecting variations in the geomorphology of the Mariana Trench which is the deepest place of the Earth, located in the wes…
Effectiveness of the Geospatial Data Processing and Use of Statistical Information for Proper Environmental Planning an…
Current paper details methodology and principles of the zoning and ranging of the nature reserve area of Sumava National Park (Czech Republic) aimed at the effective planning and …
Hierarchical Cluster Analysis by R language for Pattern Recognition in the Bathymetric Data Frame: a Case Study of the …
The geographic focus of the current study Mariana trench, the deepest point of the Earth located in the west Pacific Ocean. Mariana trench has unique structure and features formed…
Sustainability of the Marine Environment Towards the Anthropogenic Impacts in the Ecosystem of the Barents Sea
Among all Arctic seas, the Barents Sea is characterized by its unique environment and high level of the biodiversity. At the same time the Gulf Stream waters transport large amoun…
Google Earth web service as a support for GIS mapping in geospatial research at universities
The geospatial work has been performed using combination of the Google Earth imagery, Landsat TM images and Erdas Imagine GIS software. The advantage of utilizing Google Earth sce…
Geo-Information Technologies of Object Based Image Analysis (OBIA) for Urban Mapping
Current work is aimed at the deriving of information from the remote sensed VHR data using a priori knowledge in the Object Based Image Analysis (OBIA) approach. OBIA technology i…
The Use of Satellite Images for Assessment of Environmental Vulnerability and Resilience of the Arctic Wetlands
The research paper focuses on the environmental problem of Yamal region, geographically located in the Russian Yamal-Nenets autonomous region, northern-central Russia. This region…
Topology, homogeneity and scale factors for object detection: application of eCognition software for urban mapping usin…
The research scope of this paper is to apply spatial object based image analysis (OBIA) method for processing panchromatic multispectral image covering study area of Brussels for …
Linking an Early Triassic delta to antecedent topography: source-to-sink study of the southwestern Barents Sea margin
Present-day catchments adjacent to sedimentary basins may preserve geomorphic elements that have been active through long intervals of time. Relicts of ancient catchments in prese…
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