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Showing 11401 to 11450 of 22070 works
Timing of rifting in the Central Western Carpathians post-Variscan orogeny and provenance of the Meliata Ocean
Slovakia is located within the Central Western Carpathians (CWC), one of many connected curved mountain belts prominent throughout the Mediterranean area and Europe. It is divided…
Supersaturation in the Wake of a Precipitating Hydrometeor and its Impact on Aerosol Activation
The secondary activation of aerosols impacts the life cycle of a cloud. A detailed understanding is necessary for reliable climate prediction. Recent laboratory experiments demons…
Source And Fate Of Microplastics Fibers In The Ocean - A Case Of Study In Newtown Creek And Flushing Bay
Several studies have confirmed the ubiquitous presence of microplastics in marine environments and marine animals at different trophic levels. Understanding how they reach the oce…
Diversity of Pacific Meridional Mode and its distinct impacts on El Niño-Southern Oscillation
Numerous studies have demonstrated that the Pacific Meridional Mode (PMM) plays a vital role in determining El Niño-Southern Oscillation (ENSO) events in the following winter seas…
Near-inertial waves and turbulence driven by the growth of swell
Between 5 and 25% of the total momentum transferred between the atmosphere and ocean is transmitted via the growth of long surface gravity waves called ‘swell’. In this paper, we …
Simulations for CMIP6 with the AWI climate model AWI-CM-1-1
The Alfred Wegener Institute Climate Model (AWI-CM) participates for the first time in the Coupled Model Intercomparison Project (CMIP), CMIP6. The sea ice-ocean component, FESOM,…
Understanding the Global Hillslope Asymmetry in Semiarid Ecosystem
The effect of non-uniform solar radiation over opposing hillslopes leads to aspect-controlled vegetation patterns in semi-arid ecosystems. It creates a differentiation in soil pro…
On the Maximum Strength of the Atmospheric Electric Field
Particle detectors of the European SEVAN network located on mountain heights in Aragats (Armenia), Lomnicky Stit (Slovakia) and Musala (Bulgaria) are well suited for the detection…
Land Cover Classification of Mamminasata, Indonesia using Landsat-7 ETM+: Reduction of the Influences of Cloud, Shadow,…
Cloud and shadow in satellite image are obstacles in the land cover classification. In addition, Landsat-7 Enhanced Thematic Mapper Plus (ETM+) image contains scan-gap (striping b…
Physical processes regulating the seasonal and interannual variability in chlorophyll across the equatorial and North I…
Based on 16-year MODIS-Aqua (MODISA) satellite products, a new method is used to derive vertical Chl distributions in the equatorial and North Indian Oceans. The Chl seasonal and …
Whole Atmosphere Model Simulations of 3-day Kelvin Wave Effects in the Ionosphere and Thermosphere
This paper examines the response of the upper atmosphere to equatorial Kelvin waves with a period of ~3 days, also known as ultra-fast Kelvin waves (UFKWs). The whole atmosphere m…
Estimation of Tsunami Characteristics from Deposits: Inverse Modeling using a Deep-Learning Neural Network
Tsunami deposits provide information for estimating the magnitude and flow conditions of paleotsunamis, and inverse models have potential for reconstructing hydraulic conditions o…
Vis-NIR spectroscopy for multivariate classification of soil samples throughout Denmark into Danish Soil Classification…
Different spectroscopy methods such as visible near-infrared (Vis-NIR) spectroscopy have proven to provide useful information on soil physical and chemical properties. The majorit…
Thermal weakening friction during seismic slip: experiments and models with heat sources and sinks
Recent experiments systematically explore rock friction under crustal earthquake conditions revealing that faults undergo abrupt dynamic weakening. Processes related to heating an…
Improvements of Biogenic Emission Estimation in China by Using WRF-CLM4-MEGAN Model
Biogenic emission models are developed on the foundation of leaf physiological processes and driven by a set of physical and biological factors. To estimate emissions online, many…
The mid-8th century CE surface faulting along the Dead Sea Fault at Tiberias (Sea of Galilee, Israel)
The Dead Sea Fault (DSF) is a plate-boundary where large earthquakes are expected and largely overdue due to the lack of such events in the instrumental era. Sequences of earthqua…
Predictive Inverse Model for Advective Heat Transfer in a Planar Fracture with Heterogeneous Permeability
Identifying fluid flow maldistribution in planar geometries is a well-established problem in subsurface science/engineering. Of particular importance to the thermal performance of…
The Role of Process Coupling in the Time Step Sensitivity of E3SM's Microphysics
A common goal of next-generation Global Circulation Models (GCMs) is that they should be “scale-aware”, which typically implies that such models should not be excessively sensitiv…
Quantifying Mineral-ligand Structural Similarities: Bridging the geological world of Minerals with the Biological World…
Metal compounds abundant in Early Earth are thought to play an important role in the origins of life. Certain iron-sulfur minerals, for example, are proposed to have served as pri…
Polarized ambient noise on Mars
Seismic noise recorded at the surface of Mars has been monitored since February 2019, using the seismometers of the InSight lander. The noise on Mars is 500 times lower than on Ea…
Unifying Advective and Diffusive Descriptions of Bedform Pumping in the Benthic Biolayer of Streams
Many water quality and ecosystem functions performed by streams occur in the benthic biolayer, the biologically active upper (~5 cm) layer of the streambed. Solute transport throu…
Simple Tools for Detecting & Predicting Anomalies in Terrestrial Environment caused by Sun
Though spurious geomagnetic activity lead to terrestrial storms, which in turn impacts space weather as a result of interaction between Solar wind (SW) plasma carried by Solar win…
Probabilistic Geomagnetic Storm Forecasting via Deep Learning
Geomagnetic storms, which are governed by the plasma magnetohydrodynamics of the solar-interplanetary-magnetosphere system, entail a formidable challenge for physical forward mode…
The REU on Sustainable Land and Water Resources 2020: a (Virtual) Tribal and Community-Based Participatory Research Exp…
Like most NSF-funded Research Experience for Undergraduates (REU) programs, the REU on Sustainable Land and Water Resources (REU SLAWR) had to choose between a virtual experience …
Favorable Conditions for Magnetic Reconnection at Ganymede's Upstream Magnetopause
Ganymede is the only Solar System moon known to generate a permanent magnetic field. Jovian plasma motions around Ganymede create an upstream magnetopause, where energy flows are …
A graphical interpretation of the rescaled complementary relationship for evapotranspiration
Wet-surface evaporation equations related to the Penman equation can be represented graphically on vapor pressure () versus temperature () graphs (Qualls & Crago, 2020). Here, act…
Energy release patterns and shaking effects of earthquakes in the Japan Trench: A Hilbert-Huang Transform approach
Subduction zones showcase the multiplicity of earthquakes—interplate, intraplate and intraslab—with shallow, intermediate, or deep focus, associated with different energy release …
Effects of Seismogenic Width and Low-velocity Zones on Estimating Slip-weakening Distance from Near-fault Ground Deform…
Fault weakening process controls earthquake rupture propagation and is of great significance to impact the final earthquake size and seismic hazard. Critical slip-weakening distan…
Thermal fertilization of the high-latitude northern forests
Since the 1960s, carbon cycling in the high-latitude northern forest (HLNF) has experienced dramatic changes: most of the forest is greening and net carbon uptake from the atmosph…
Searching for Dyson spheres using Gaia and WISE
Dyson spheres are hypothetical structures that high-level civilizations may build to harvest energy in the form of starlight. As in any thermodynamic process, the conversion of st…
Holes in Optical Lightning Flashes: Identifying Poorly-Transmissive Clouds in Lightning Imager Data
Space-based optical lightning sensors including the Lightning Imaging Sensor (LIS) and Geostationary Lightning Mapper (GLM) are pixelated imagers that detect lightning as transien…
What Type of Technosignatures Can We Detect?
The existence of causal constraints introduces a temporal selection effect in the type of technosignatures that we can detect. I discuss the implications of this fact on the chara…
Variability in sulfur isotope records of Phanerozoic seawater sulfate
The δ34S of seawater sulfate reflects processes operating at the nexus of sulfur, carbon, and oxygen cycles. However, knowledge of past seawater sulfate δ34S values must be derive…
Joint local and teleseismic tomography in the central United States: exploring the mantle below the upper Mississippi E…
Three-dimensional, high resolution crustal and upper mantle P- and S-wave velocity (Vp and Vs) models are presented for the central United States. The study utilizes local and tel…
Data Search and Exploration using EarthCube Data Discovery Studio
The EarthCube Data Discovery Studio (DDStudio) integrates several technical components into an end-to-end data discovery and exploration system. Beyond supporting dataset search a…
Using a New Top-Down Constrained Emissions Inventory to Attribute the Previously Unknown Source of Extreme Aerosol Load…
The contribution of biomass burning to the total aerosol loading over Monsoon Asia is both significant while also continuing to increase in recent decades. To better match the spa…
Enhancing ocean biogeochemical model performance and generality with phytoplankton variable composition
Chlorophyll (Chl) is widely taken as a proxy for phytoplankton biomass, despite well known variations in Chl:biomass ratios as an acclimative response to changing environmental co…
Impact of Marine Sand Mining on Coastal Morphology: A Case Study on Alappad Coast, Kerala
The modern world witnessed an increasing trend of mining on the onshore sand deposits, including beaches for extracting minerals. Sand mining in the Alappad coast started in late …
Finite Fault Inversion of Mw4.1 and its Implications for Induced Earthquake Ruptures.
To better quantify how injection, prior seismicity and fault properties control rupture growth and propagation of induced earthquakes, we perform finite-fault slip inversion on a …
Fluid chemistry and shallow gas hydrate dynamics at active pockmarks of the Vestnesa Ridge, west Svalbard margin
Gas hydrate dynamics and the fluid flow systems from two active pockmarks along Vestnesa Ridge (offshore west Svalbard) were investigated through the pore fluid geochemistry obtai…
Ultrasonic Imaging of the Onset and Growth of Fractures within Partially Saturated Whitby Mudstone using Coda-Wave Deco…
Using active ultrasonic source survey data, Coda-wave Decorrelation (CWD) time-lapse imaging during the triaxial compression of Whitby Mudstone cores provides a 3-D description of…
Introduction to the Special Section on Observations, Mechanisms and Hazards of Induced Seismicity
This is the preface that summarizes the special section in BSSA 2020.
Assessing the Hazard from Aging dams in the U.S.A.
Climate change, inadequate maintenance, and aging beyond the design life increase the probability of dam failure. Dam failures can have significant social, financial, and environm…
Energy-resolved detection of precipitating electrons of 30-100 keV by a sounding rocket associated with dayside chorus …
Whistler mode chorus waves scatter magnetospheric electrons and cause precipitation into the Earth’s atmosphere. Previous measurements showed that nightside chorus waves are indee…
Active deformation and relief evolution in the western Lurestan region of the Zagros mountain belt: new insights from t…
2-D finite element modeling of both coseismic and interseismic deformation was performed along a transect across the seismogenic fault of the Mw=7.3, November 2017 Lurestan earthq…
Unprecedented reduction in airborne aerosol particles and nitrogen dioxide level in response to COVID-19 pandemic lockd…
The present study have used space observations of NO emission (OMI) and aerosol optical depth (AOD) (MODIS) from the last couple of years (2015-2019) to investigate the changes in…
Source parameters of moderate-to-large Chinese earthquakes from the time evolution of P-wave peak displacement on stron…
In this work we propose and apply a straightforward methodology for the automatic characterization of the extended earthquake source, based on the progressive measurement of the P…
Improving data-driven global weather prediction using deep convolutional neural networks on a cubed sphere
We present a significantly-improved data-driven global weather forecasting framework using a deep convolutional neural network (CNN) to forecast several basic atmospheric variable…
Targeted observations based on sensitive areas identified by CNOP to improve the thermal structure predictions in the s…
Targeted observation is an appealing procedure for improving model predictions through the assimilation of additional collected measurements. However, studies on targeted observat…
Dominant terms in the freshwater and heat budgets of the subpolar North Atlantic Ocean and Nordic Seas from 1992 to 2015
The Arctic and subarctic oceans exhibit distinct decadal variations in freshwater and heat content. We describe freshwater and heat budgets with the ECCOv4 reanalysis product and …
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