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Showing 9751 to 9800 of 22070 works
Physics-based model reconciles caldera collapse induced static and dynamic ground motion: application to Kīlauea 2018
Inflationary deformation and very long period (VLP) earthquakes frequently accompany basaltic caldera collapses, yet current interpretations do not reflect physically consistent m…
GeoHealth Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science
This article provides a commentary about the state of Integrated, equitable outcomes. GeoHealth research both characterizes and predicts problems at the nexus of earth and human s…
Integrated Intelligence for Electric Grid Resilience using Storm Surge and Inland Flooding Models
In the past four decades, Texas has experienced more than 80 hurricanes, including Harvey, which alone caused damages costing over $130B. Given this history and predictions of mor…
Assessing multi-sector near-term transition and longer-term physical climate risks of greenhouse gas emissions pathways
Financial institutions’ investment and lending portfolios could be affected by both physical climate risks stemming from impacts related to increasing temperatures, and from trans…
Comparison of rainfall estimates from GPM dual-frequency precipitation radar and ground dual-polarization radar
The dual-frequency precipitation radar (DPR) onboard the Global Precipitation Measurement (GPM) core satellite can provide information on drop size distribution (DSD) to improve r…
What can the sound of earthquakes tell us about a planet's interior structure?
Deploying seismic or infrasound arrays on the ground to probe a planet’s interior structure remains challenging in remote regions facing harsh surface conditions such as Venus wit…
Field measurement and prediction of drag in a planted Rhizophora mangrove forest
Mangrove forests with complex root systems contribute to increased coastal protection through drag effects. Previous flume studies proposed a predictive model of drag in Rhizophor…
Adaptive real-time spectrum data compression and recovery method
This paper presents an adaptive real-time spectrum data compression and recovery method for radio monitoring, its purpose is to reduce the data storage space and the network bandw…
A numerical experiment on outgassing of CO2 and water from the convecting mantle of Mars
To simulate the outgassing of CO2 and water from Martian mantle, I used a two-dimensional numerical model of magmatism in the convecting mantle. The mantle is internally heated by…
Stewardship Best Practices for Improved Discovery and Reuse of Heterogeneous and Cross-Disciplinary Earth System Data
Some of the Earth system data products such as those from NASA airborne and field investigations (a.k.a. campaigns), are highly heterogeneous and cross-disciplinary, making the da…
Population of degrading small impact craters in the Chang'E-4 landing area using decent and ground images
Chang’E-4, the first soft landing mission on the far side of the Moon, provided high-resolution close-range images up to 2.3 cm/pixel, especially suitable for the study of the deg…
Evaluating Drivers of Mantle Flow and Sources of Seismic Anisotropy in the Alaskan Subduction Zone: Observations from O…
Subduction zones are essential for mantle convection through the recycling of oceanic lithosphere, however, asthenospheric flow at convergent margins is not uniform. Deformation o…
Experimental Monitoring of Nonlinear Wave Interactions Under Uniaxial Load
It is now well-established that earthquakes change the seismic velocity of the near surface. There is certainly some understanding of what mechanisms are responsible for these cha…
A New Ethics Workshop: Addressing Racism and Colonialism in the Geosciences
Undergraduate research internship programs are generally expected to teach interns about research ethics and research misconduct, often using case studies on plagiarism, data fals…
Seeking guidance from active cloud observations to improve climate model subcolumn generators
Our objective is to test and improve cloud subcolumn generators used for greater realism of scales in the radiation schemes and satellite simulators GCMs. For this purpose, we use…
A Thermo-Compositional Model of the African Cratonic Lithosphere
Recently, the continually increasing availability of seismic data has allowed high-resolution imaging of lithospheric structure beneath the African cratons. In this study, S-wave …
A Physics-Based Classification of Coastal Land-Margins based on Surface Flow
Worldwide coastal land-margins are prone to many flood hazards such as astronomical tides, tropical cyclones, sea-level rise, and extreme precipitation events. Compound flood even…
Flexible Integration of Lakes in Global River Systems
Streamflow, biogeochemical cycling, and flux transport models rely on digital representations of river networks. At local to regional extents, such representations can be very det…
A Three-Dimensional Map of the Heliosphere from IBEX
The Interstellar Boundary Explorer (IBEX) mission has shown that variations in the ENA flux from the outer heliosphere are associated with the solar cycle and longer-term variatio…
Radar Observations of Outlier Polar Ice Deposits on Mars
Martian ice likely holds the key to interpreting Mars’ past climate, but much is still unknown regarding the distribution and properties of Mars’ ice deposits. It is well known th…
Geomagnetic simulation using MHD with Adaptively Embedded PIC model
The MHD with embedded PIC (MHD-EPIC) model makes it feasible to incorporate kinetic physics into a global simulation. Still, this requires a large enough box-shaped PIC domain to …
Bark-Water Interactions Across Ecosystem States and Fluxes
Check out our video abstract: https://youtu.be/CGzFNU70yUg To date, the perspective of forest ecohydrologists has heavily focused on leaf-water interactions – leaving the ecohydro…
An ML-Ready Filament Augmentation Engine with Labeled Magnetic Helicity Sign
A halo Coronal Mass Ejection can have a devastating impact on Earth by causing damage to satellites and electrical transmission line facilities and disrupting radio transmissions.…
Response of Subantarctic microbes to new versus regenerated Fe in a cold-core eddy
In the Subantarctic sector of the Southern Ocean, vertical entrainment of dissolved iron (DFe) triggers the seasonal productivity cycle. However, diminishing physical supply of ne…
Has the Adaptation-Mitigation Binary Outlived its Value? Indigenous Ways of Knowing Present an Alternative
Actions addressing anthropogenic climate change are paramount to survival; however, there are limitations to the current binary approach which considers adaptation and mitigation …
Comparing Firn Densification Layers Simulated through Regional Climate Models and those Tracked through Radargrams
The Glacier Energy and Mass Balance (GEMB) module of NASA’s Ice-sheet and Sea-level System Model (ISSM) can simulate the evolution of firn density profiles in the ice sheet snowpa…
Imaging Global Fault System Activity
Earthquake moment release is localized along a global fault system. This network of branching and anastomosing fractures defines the geometrically complex boundaries of tectonic p…
Revealing the signature of ground frost in continuous seismic data with machine learning
We study how ground frost affects the ambient seismic wavefield recorded by a three-component broadband sensor. By applying machine learning algorithms on continuous seismic data,…
The impact of variations of low-level structure associated with surface drag on intensification of simulated tornadoes
The low-level structure is critical to transformation of low-level vorticity, which is known to be the fundamental source of rotation in updraft, and hence impact the intensificat…
Wavelet methods for detecting slow slip events in GNSS recordings
Slow slip events were discovered in many subduction zones during the last two decades thanks to recordings of the displacement of Earth’s surface by dense GNSS networks. Slow slip…
Machine Learning as a Tool to Aid in the Interpretation of Spectroscopic Data: Applications to Lunar and Planetary Expl…
The precise spectroscopic identification of mineral polytypes and specific organic molecules is key to understanding planetary processes and the potential for life beyond Earth in…
Stochastic Decadal Projections of Colorado River Streamflow and Reservoir Pool Elevations Conditioned on Temperature Pr…
Decadal (~10-years) scale flow projections in the Colorado River Basin (CRB) are increasingly important for water resources management and planning of its reservoir system. Physic…
Automatic flood detection from Sentinel-1 data using Deep learning: Demonstration of NASA-ETCI Benchmark datasets.
Floods are the most frequent, costliest natural disasters having devastating consequences on people, infrastructure, and the ecosystem. The accurate and rapid mapping of the flood…
Magnetization of carbonaceous asteroids by nebular fields and the origin of CM chondrites
Within the young solar system, a strong magnetic field permeated the protoplanetary disc. The solar nebular magnetic field is likely the source of magnetization for some meteorite…
Unravelling Forest Complexity: Resource Use Efficiency, Disturbance, and the Elusive Structure-Function Relationship
Structurally complex forests optimize light and water resources to assimilate carbon more effectively, leading to higher productivity. Information obtained from Light Detection an…
Conservation of total wave action and the one dimensional evolution of simple waves in the solar wind
We investigate the evolution of outwardly propagating simple MHD waves in a model of the expanding solar wind using MHD simulations. In order to understand the different evolution…
Sensitivity of Forest Productivity to Trends in Snowmelt at Niwot Ridge, Colorado
Anthropogenic global warming caused by increased atmospheric carbon forcing is expected to cause a decrease in peak snow water equivalent (SWE), shift the timing of snowmelt to ea…
Terrestrial Impacts of Global Geospace Modeling of an Ensemble of Storms
Modeling the terrestrial impacts of the sun’s solar wind is critical to understanding geomagnetic storms. We use a database of 144 storms from 2010-2019 and showed how these storm…
Twenty Feature Selection Algorithms, One Dataset, One Problem: Flare Forecasting
Solar Energy Particles (SEPs) can be associated with solar flares and coronal mass ejections (CMEs) and offer energy spectra ranging from few KeVs to many GeVs. These events can o…
A Complex Systems Perspective on Deceleration in Propagation Velocity of Medium Scale Traveling Ionospheric Disturbance…
Capability of TEC ’s CoRrelation Analysis (CRA) (Iwata and Umeno, JGR-Space Physics, 2016) for detecting preseismic anomalies is explained from the view point of the increase in s…
The Effects of Temperature on Leaching of Antimony from Plastic Bottles and Subsequent Impact on Brine Shrimp Hatch Rate
For the past 120 years, Bisphenol-A (BPA) has been used in plastic products, such as water bottles, due to its strength. BPA, which contaminates 93% of the human population (Houli…
Three-Dimensional Numerical Modelling for Simultaneous Removal of Multi Contaminants from Permeable Reactive Barrier (P…
The quality of groundwater (GW) has deteriorated rapidly, which causes many serious threats owing to the exposure of many contaminants to the environment and living creatures. In …
Large Scale Collaborative Science: Lessons Learned from the Phase I COFFIES DRIVE Science Center
The National Research Council published a report on Enhancing the Effectiveness of Team Science in 2015. This report identified 7 fundamental challenges that large research teams,…
Demonstration of Satellite-Chemical Transport Model Framework to Estimate Near-Real-Time PM 2.5 Composition
The Global Burden of Disease attributes millions of premature deaths to ambient air pollution each year, making it one of the largest environmental health risks faced by society. …
Pore-scale simulation of methane transport in complex nanopores using a stabilized lattice Boltzmann method
The efficient development of shale gas reservoirs requires an accurate understanding of methane gas transport in the matrix whose pore size is mainly in the nanoscale range. As a …
Understanding the Chemistry of the Rocks at Jezero crater, Mars, through the Combined Use of SuperCam Spectroscopic and…
The SuperCam instrument onboard Perseverance rover has remote imaging (RMI), VISIR, LIBS, Raman and Time-Resolved Luminescence (TRL) capabilities. RMI images of the rocks at the O…
Investigation of Flexural bulge of the Indian Plate for Controls on Landscape Evolution
The morphology of a river channel is driven by multiple forcing factors that can be either external or internal. The internal factors, such as the variation in rock strength, line…
Implications and Symptoms: Role of the Water Governance Components in Iran on the Existing Water Bankruptcy
Iran is suffering from a state of water bankruptcy. Several factors have contributed to the current water resources bankruptcy, ranging from anthropogenic impacts, such as an inef…
Evaluating the central Hikurangi Subduction Margin stress state from geophysical logging
Quantifying the orientation and magnitude of tectonic stresses is essential to better understand active crustal deformation and faulting in the Hikurangi Subduction Margin (HSM), …
Seminars on Sharing Planetary Science
Since 2017, the education and public engagement team at the Lunar and Planetary Institute has conducted seminars for planetary scientists (including early career scientists and pl…
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