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Showing 10851 to 10900 of 22070 works
Radiation Belt Radial Diffusion at Earth and Beyond
The year 2019 marks the 60th anniversary of the concept of radial diffusion in magnetospheric research. This makes it one of the oldest research topics in radiation belt science. …
Emplacement of laboratory igneous sheets and fingers influenced by the Mohr-Coulomb properties of the host
Planar magma intrusions such as dykes and sills are major magma transport features and the main feeders of volcanic eruptions. Among planar intrusions, sheet intrusions are fractu…
The Greater Mekong’s climate-water-energy nexus: how ENSO-triggered regional droughts affect power supply and CO2 emiss…
The Greater Mekong Subregion is a transnational area bound together by the Mekong River basin and its immense hydropower resources, historically seen as the backbone of regional e…
A century of spatial and temporal patterns of drought in Hawai'i across hydrological, ecological, and socioeconomic sca…
Drought is a prominent feature of Hawaii’s climate, however, the biological, ecological, cultural, and socioeconomic impacts of drought in Hawaii are not well understood. This pap…
Assessing Level of Awareness about Water Governance Structures and Challenges in the Volta River Basin
To enhance transboundary water management and cooperation in the Volta River Basin, the Project for Improvement of Water Governance in the Volta Basin (PAGEV) program established …
Mesospheric Mountain Wave Activity in the Lee of the Southern Andes
Gravity waves (GWs) generated by orographic forcing, also known as mountain waves (MWs) have been studied for decades. First measured in the troposphere, then in the stratosphere,…
Evolution of the oligotrophic West Pacific Warm Pool during the Pliocene
This study investigates the timing of development of the oligotrophic conditions and thickening of the West Pacific Warm Pool (WPWP) during the Pliocene. It has been hypothesized …
A Prototype for Remote Monitoring of Ocean Heat Content
A new approach to monitor ocean heat content (OHC) is proposed to overcome challenges with observing OHC over the entire ocean. The output of an ocean state estimate (ECCO) is sam…
North-south Asymmetric Nightside Distorted Transpolar Arcs within A Framework of Deformed Magnetosphere-Ionosphere Coup…
The terrestrial magnetosphere is perpetually exposed to, and significantly deformed by the Interplanetary Magnetic Field (IMF) in the solar wind. This deformation is typically det…
Update on Space Physics Data Facility (SPDF) Data Archives and Services
The Space Physics Data Facility (SPDF https://spdf.gsfc.nasa.gov), as the non-solar NASA Heliophysics active final archive, works with current operating missions and the heliophys…
A parameterization of local and remote tidal mixing
Vertical mixing is often regarded as the Achilles' heel of ocean models. In particular, few models include a comprehensive and energy-constrained parameterization of mixing by int…
On the contribution of remote sensing-based calibration to model multiple hydrological variables in tropical regions
The accuracy of hydrological model predictions is limited by uncertainties in model structure and parameterization, and observations used for calibration, validation and model for…
Local Grid Refinement in New Zealand’s Earth System Model: Tasman Sea Ocean Circulation Improvements and Super-Gyre Cir…
This paper describes the development of New Zealand’s Earth System Model (NZESM) and evaluates its performance against its parent model (United Kingdom Earth System Model, UKESM) …
Three western pacific typhoons strengthened fire weather in the recent conflagration in northwest U.S.
A heatwave and fire outbreak in the western United States in early September of 2020 resulted from an atmospheric wave train that spanned the Pacific Ocean basin. Days before the …
High Frequency (6 Hz) PKPab precursors and their sensitivity to deep Earth heterogeneity
We present observations on a new precursory phase of seismic waves scattered in the deep Earth. This phase arrives prior to the PKPab wave at epicentral distances larger than 155º…
EntraPT: an online application for elastic geothermobarometry
EntraPT is a web-based application for elastic geobarometry freely accessible at the “Fiorenzo Mazzi” experimental mineralogy lab website (www.mineralogylab.com/software). It prov…
Discriminating underground nuclear explosions leading to late-time radionuclide gas seeps
Utilizing historical data from the U.S. nuclear test program and freely available barometric pressure data, we performed an analytical barometric-pumping efficiency analysis to de…
Parker Solar Probe FIELDS instrument charging in the near Sun environment: Part II - Comparison of In-Flight Data and M…
This research shows Part II of the Spacecraft Interaction Plasma Software (SPIS) used to model the Parker Solar Probe (PSP) FIELDS instrument and its interactions with the Solar W…
A flux-based threshold for anaerobic activity in the ocean
Anaerobic microbial activity in the ocean causes losses of bioavailable nitrogen and emission of nitrous oxide to the atmosphere, but its predictability at global scales remains l…
Comparative interevent time statistics of degassing and seismic activity at Villarrica Volcano (Chile)
It is generally assumed that seismic activity at volcanoes is closely connected to degassing processes. Intuitively, one would therefore expect a good correlation between degassin…
The role of shallow convection in the momentum budget of the trades from large-eddy-simulation hindcasts
Motivated by the abundance of low clouds in the subtropics, where the easterly trade winds prevail, we study the role of shallow convection in the momentum budget of the trades. T…
Morphodynamics of the south Baltic seabed in the remote foreshore in the light of field measurements
The paper presents results of bathymetric surveys in the remote foreshore of the south Baltic (c.a. 1-2 Nm off the shoreline at depths of around 16-20 m). Measurements were collec…
GeoPS: an interactive visualization tool for thermodynamic modeling of phase equilibria
Due to the progress of the availability of thermodynamic data in the last decades, equilibrium thermodynamics provides the ability to calculate mineral stability relations in the …
Single-station moment tensor inversion on Mars
In early 2019, NASA’s InSight lander successfully deployed a single three-component very broadband seismometer (VBB) on the surface of Mars to detect and characterize marsquakes. …
Contrasting uncertainties in estimating floods and extreme low flow
Evaluation and quantification of possible sources of uncertainty and their influence on water resource planning and extreme management is very important for risk modeling and extr…
Authigenic ferrimagnetic iron sulfide preservation due to non-steady state diagenesis: A perspective from Perseverance …
We document magnetic mineral diagenesis with high resolution magnetic susceptibility, hysteresis, isothermal remanent magnetization, and other rock magnetic measurements through a…
Time-lapse waveform analysis for elastic and anelastic structural changes of transducer-transducer active seismic exper…
We quantitatively evaluate transducer-transducer one-source one-station active seismic waveform data, in order to monitor time-lapse changes of elastic and anelastic structure dur…
Influence of hurricane wind field variability on real-time forecast simulations of the coastal environment
Dynamic conditions occur in the coastal ocean during severe storms. Forecasting these conditions is challenging, and large-scale numerical models require significant computing pow…
Thermal fatigue as a driving mechanism for activity on asteroid Bennu
Many boulders on (101955) Bennu, a near-Earth rubble pile asteroid, show signs of in situ disaggregation and exfoliation, indicating that thermal fatigue plays an important role i…
An algorithm for computing the deflection angle of surface ocean currents relative to the wind direction
The angle between the wind stress that overlies the ocean and the resulting current at the ocean surface is calculated for a two-layer ocean with uniform eddy viscosity in the low…
Carbon Dioxide and Methane Emissions from a Temperate Salt Marsh Tidal Creek
Coastal salt marshes store large amounts of carbon but the magnitude and patterns of greenhouse gas (GHG; i.e., carbon dioxide (CO) and methane (CH)) fluxes are unclear. Informati…
A Volume-to-Point Approach of QPE with Radar Data
In this study, we proposed a volume-to-point framework for quantitative precipitation estimation (QPE) based on the QPESUMS (Quantitative Precipitation Estimation and Segregation …
Opposite phase changes of precipitation annual cycle over land and ocean under global warming
The annual cycle of precipitation is a fundamental aspect of the global water cycle. Climate warming induces amplitude enhancement and phase delay in the zonal-mean tropical preci…
Statistical significance of tropical cyclone forward speed on storm surge generation: retrospective analysis of best tr…
In this study, 42 years of tidal records and landfall TC best tracks in Japan were used to demonstrate that TC pre-landfall forward speed is significantly correlated with maximum …
Observed variability of the North Atlantic Current in the Rockall Trough from four years of mooring measurements.
The Rockall Trough is one of the main conduits for warm Atlantic Water to the Nordic Seas. Ocean heat anomalies, originating from the eastern subpolar gyre, are known to influence…
Microbial genomics of the global ocean system
The year 2020 marks the 10th anniversary of the Deepwater Horizon (DWH) disaster. From April through July 2010, an estimated total of 4.9 million barrels of oil and 250,000 metric…
Heterogeneous changes to North America prairie pothole wetlands under future climate
Numerous wetlands in North America’s Prairie Pothole Region (PPR) provide important ecosystem services to surrounding areas, yet are threatened by climate and land-use changes. Un…
CHASSIGNITE AND NAKHLITE PARENTAL MELTS DETERMINED FROM MELT INCLUSION ANALYSIS
Melt inclusion analysis used to constrain and compare parental melt compositions of the nakhlite and chassignite martian meteorites.
Multiscale smoothed particle hydrodynamics model development for simulating preferential flow dynamics in fractured por…
We present our new multiscale pairwise-force smoothed particle hydrodynamics (PF-SPH) model for the characterization of flow in fractured porous media. The fully coupled multiscal…
Fiddling with the carbon budget: fiddler crab burrowing activity increases wetland’s carbon flux
Coastal wetlands store significant amounts of carbon through sequestration. Salt marshes are also known to harbour high densities of crabs, which increase the sediment-atmosphere …
Emergent Properties of Convection in OTREC and PREDICT
Gridded dropsonde analyses are made using data from the OTREC (Organization of Tropical East Pacific Convection) and PREDICT (Pre-Depression Investigation of Cloud-Systems in the …
Prediction of Idai and 38 Other Tropical Cyclones and Storms in the Mozambique Channel
On average, two tropical storms or cyclones enter the Mozambique Channel between the African mainland and Madagascar each year. Their impact can be devastating. The tropical cyclo…
Temperature-dependent clear-sky feedbacks in radiative-convective equilibrium
We quantify the temperature-dependence of clear-sky radiative feedbacks in a tropical radiative-convective equilibrium model. The longwave radiative fluxes are computed using a li…
Comparison of InSAR time series generation techniques as part of the collaborative GeoSCIFramework research project
The GeoSciFramework project (GSF), funded by the NSF Office of Advanced Cyberinfrastructure and NSF EarthCube programs, aims to improve intermediate-to-short term forecasts of cat…
Application of Deep Learning to Estimate Atmospheric Gravity Wave Parameters in Reanalysis Datasets
Gravity waves play an essential role in driving and maintaining global circulation. To understand their contribution in the atmosphere, the accurate reproduction of their distribu…
The potential use of geophysical methods to identify cavities, sinkholes and pathways for water infiltration: a case st…
The use of geophysical characterization of karst systems can provide an economical and non-invasive alternative for extracting information about cavities, sinkholes, pathways for …
Evaluation of neural network emulations for radiation parameterization in cloud resolving model
This study evaluated the forecast performance of neural network (NN)-based radiation emulators with 300 and 56 neurons developed under the cloud-resolving simulation. These emulat…
The Survival of Mafic Magmatic Enclaves and the Timing of Magma Recharge
Many intermediate to felsic intrusive and extrusive rocks contain mafic magmatic enclaves that are evidence for magma recharge and mixing. Whether enclaves represent records of pr…
Sciunit: A Reproducible Container for EarthCube Community
The conduct of reproducible science improves when computations are portable and verifiable. A container provides an isolated environment for running computations and thus is usefu…
The IDEEAS Working Group at Cornell University: A New Framework of Collective Leadership for Promoting Justice, Equity,…
If the university can be thought of as an incubator for ideas and thought leadership, then each department is a learning ecosystem unto itself. The IDEEAS (Inclusion, Diversity, a…
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