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Showing 12451 to 12500 of 22070 works
Interannual Rock Glacier Surface Elevation Changes using UAS in Great Basin National Park, Nevada.
Critical freshwater resources lying within mid-latitude mountain glaciers are vulnerable to a rapidly changing climate. The Lehman Rock Glacier is the only extant glacier mapped w…
A Spatially Consistent Bias Correction Technique for Distributed Streamflow Modeling
Planning for hydropower, water resources management, and climate change adaptation requires statistically unbiased hydrologic predictions. However, all hydrologic models contain s…
Near-real-time matched-filtering for the development of dense earthquake catalogs during sequences of seismicity
Conventional earthquake detection methods suffer significant degradations in completeness during high-rate sequences such as aftershock sequences or volcanic swarms. Missed earthq…
Tidally Driven Frictional Heating and the Seismogenic Zone on Enceladus' Tiger Stripes
Frictional strength of polycrystalline ice and ice-ammonia mixtures have been measured in the laboratory in order to constrain fault behavior on the south polar region of Enceladu…
Estimate of sediment settling velocities from a theoretically guided data-driven approach
Sediment settling velocities are commonly estimated from process-based or parametric data-driven approaches. The process-based approach has theoretical constraints due to the uncl…
Spatial Bayesian Hierarchical Model for Summer Extreme Precipitation over the Southwest U.S.
The Southwest U.S. comprising of the four states-Arizona, New Mexico, Colorado, and Utah-is the hottest and driest region of the United States. Most of the precipitation arrives d…
A 1.1 billion-year-old anisotropy experiment: a study of anorthosite xenoliths within the Beaver River diabase
Anorthosites are attractive paleomagnetic recorders as silicate-hosted magnetite inclusions can be single-domain and be shielded from alteration. However, petrofabrics within anor…
Pore Size Distribution Controls Dynamic Permeability
Probing the flow permeability of porous media with elastic waves is a formidable challenge, also because the wave-induced oscillatory motion renders the permeability frequency dep…
Estimation of Bed Shear Stress using Turbulent Kinetic Energy in Three-dimensional Complex Flow Fields around an Obstru…
Erosion, transport, and deposition of a river-bed has attracted attentions from various disciplines. To understand those issues, bed shear stress should be evaluated first. Howeve…
Field Investigation of Terrestrial Wind Streaks
Planetary wind streaks are common aeolian features that have been studied primarily on Mars, Venus and Earth for several decades. They appear in imagery as distinctive albedo patt…
Exploring the ability of reservoir infrastructure to mitigate climate change compounded impacts on stream temperature a…
Over 270 major dams have been constructed in the Southeastern United States (SEUS) during the past century, changing natural flow patterns and affecting stream temperatures. Proje…
Double Trouble in the Hudson River Estuary: Dominant Abiotic Factors Controlling Harmful Algal Bloom Risk and the Compo…
Low-current tributary-estuaries and embayments along the margin of the Hudson River are uniquely at risk for harmful algal blooms of cyanobacteria (cyanoHABs) due to rising temper…
Exploring effects of factor configurations in a “toy” migration agent-based model
Migration is a complex and interdisciplinary problem involving multiple factors such as social interactions, resource scarcity, and geographical features. These factors must be in…
Thermal equation of state of F-bearing superhydrous phase B (Mg10Si3O14(OH,F)4): Implications for the transportation of…
To explore the influence of fluorine (F) on mantle minerals and its behaviors during subducting, we investigated the compressibility of F-bearing superhydrous phase B (Shy-B) usin…
Ongoing postseismic vertical deformation of the Australian continent from far-field earthquakes
We use GPS observations to investigate the magnitude and spatial distribution of vertical coseismic and postseismic deformation of the Australian continent and compare these with …
Temporal Evolution of Flux Tube Entanglement at the Magnetopause as Observed by the MMS Satellites
Flux transfer events (FTEs), as flux ropes (FRs), are considered key agents for solar wind energy to enter the terrestrial magnetosphere. Recent observations identify entangled fl…
Seasonality of Lower Tropospheric Stability in the Community Earth System Model Large Ensemble
Arctic amplification is a near-universal feature of climate change in simulations. However, climate models disagree in its magnitude and in its spatial and seasonal expression. Lo…
Magnetospheric Multiscale Statistics of High Energy Electrons Trapped in Diamagnetic Cavities
High energy electrons observed in the magnetosheath must be accelerated by some mech- anism that is as yet undetermined. We present observations of high-energy electrons trapped i…
Climate change impacts on thermal characteristics of freshwater fish habitats in a regulated river system
River temperature is projected to increase in the southeastern United States (SEUS) due to climate change, exacerbating the invasion of warm-water species and reducing suitable ha…
Runoff, soil loss, and soil properties as influenced by land use and management practices: Case study from the Upper Bl…
Soil erosion by water is one of the most pressing environmental challenges in Ethiopia where small-scale agriculture is the main source of livelihood for about 87% of country’s po…
Towards a 3-Dimensional Model of Forest Heat Contributions to Snowpack Thermodynamics: Determining internal snowpack te…
Research on modification to snowpacks as a result of forest disturbance has typically focused on spatiotemporal patterns of snow depth and snow water equivalent, snowpack energy f…
Bringing drones to the people: Development of a low-cost fixed-wing UAV and multispectral camera for custom application…
Incorporation of Uncrewed Aerial Vehicles (UAVs) has greatly enriched earth science field data collection but the cost of acquiring UAVs, particularly those with customizable payl…
Quick, reproducible and automatic watershed modeling with the SHUD: Essential data, simulation, applications and visual…
The Solver of Hydrological Unstructured Domain (SHUD) is an integrated multi-process, multi-scale, multi-timestep hydrologic model where the dominant hydrological processes are fu…
Transient porosity generated at the serpentinization front
Serpentinization ubiquitously affects ultramafic rocks that interact with water, with strong implications for the origin of ancient microbial ecosystems, the chemical budget of th…
Linear and nonlinear evolution of jets in the solar wind and microstreams
Fast solar wind streams are known to be dominated by Alfvenic turbulence, i.e. large amplitude magnetic field and quasi-incompressible velocity fluctuations with a correlation cor…
Reproducibility of surface wind and tracer transport simulations over complex terrain using 5, 3, and 1 km grid models
It was investigated that the reproducibility of surface wind and tracer transport simulations over complex terrain in wintertime using high-resolution (5-km, 3-km, and 1-km grid) …
PolyWAG (Water Acquired Genomics) System: A Field Programmable and Customizable Auto-sampler for eDNA
Organisms leave traces of DNA as they move through their environments. The extraction of these DNA traces is known as environmental DNA (eDNA). eDNA provides scientists and resear…
Geoelectrical and Electromagnetic Induction Delineation of Seep Origin at a US Army Earthen Dam
Earthen dam failures of high hazard dams are expected to cause downstream human life loss and economic and environment loss. Of the three most prevalent failure modes for earthen …
Electron acceleration in interaction of helical magnetic structure in three-dimensional large temporal-spatial turbulen…
Solar flare, as a typical large temporal-spatial turbulent magnetic reconnection (LTSTMR, the ratio of observed current sheets thickness to electron characteristic length, electro…
Incorporating Low-Cost Sensor Measurements into High-Resolution PM2.5 Modeling at a Large Spatial Scale
Low-cost air quality monitors (LCAQMs) are promising supplements to regulatory monitors for PM2.5 exposure assessment. However, the application of LCAQM in spatially extensive exp…
Vertical distribution of Chernobyl-derived 137 Cs in bottom sediments represents a long-term dynamics of water contamin…
Today, 33 years after the Chernobyl accident, long-term dynamics of radio-cesium in the environment becomes the most relevant issue. Study of bottom sediments in lakes and reservo…
Snow Coupled Distributed Acoustic Sensing for Intrusion Detection of Polar Bears in Arctic Camps
Everchanging arctic climate conditions continue to negatively impact the habitat of the polar bear. The changes cause them to search for food outside of their traditional hunting …
Did a large late 19 th century typhoon dramatically change the morphology of the Yangtze River mouth, China?
A sediment core taken proximal to a large sunken ship in the north channel of the Yangtze delta suggests a dramatic change in sedimentation that is coincident with the sinking of …
Development of automatic data acquisition Web application of distributed accelerometer
My laboratory is developing an accelerometer. However, if you do not install the dedicated software, you can not browse the data. In addition, since it is necessary to go to the s…
Fractional relaxation noises, motions and the fractionalenergy balance equation
We consider the statistical properties of solutions of the stochastic fractional relaxation equation that has been proposed as a model for the earth’s energy balance. In thisequat…
Climate Response to Volcano-like Pulse Versus Sustained Stratospheric Aerosol Forcing
Solar geoengineering has been suggested as a potential approach to counteract the anthropogenic global warming. Major volcanic eruptions have been used as natural analogues to lar…
The Pangeo Platform: a community-driven open-source big data environment
In this presentation, we will describe the [Pangeo Project](http://pangeo.io), a coordinated community effort with support from NASA, NSF, AWS, Microsoft Azure and Google Cloud, t…
Accurate Estimation of Initial Saltwater-freshwater Interface for Simulating Saltwater Intrusion using numerical methods
Coastal aquifers are prone to saltwater intrusion as increased demand for freshwater leads to heavy, unregulated pumping from these coastal aquifers. Under sustainable pumping con…
Geochemistry and petrogenesis of the Neoarchean Sandur metavolcanic rocks
The Sandur greenstone belt (SGB) is a distinctive greenstone belt as it is perched within the Closepet granitoid rocks (CG). The emplacement of the CG is attributed to intrusion i…
Estimations of Surface Soil Moisture for Intertidal Mudflats Using a Near-infrared Long-Range Terrestrial Laser Scanner
Estimations of the surface soil moisture and distributions play a key role in the ecological, environmental, and topographical investigations for intertidal mudflats that are char…
Multivariate statistical modelling of compound flooding events for southern African coasts
In March 2019 cyclone Idai led to a compound flooding event in Mozambique combining high river runoff and storm induced water level extremes and causing damages up to 2 billion US…
Contemplating Spatial and Temporal Components of Functional Diversity: Full Exploitation of Satellite Data for Biodiver…
The loss of biodiversity and the associated decline of ecosystem services vital for sustaining human life demand a comprehensive monitoring of plant biodiversity. Measuring biodiv…
Ionospheric Footprints of Detached Magnetotail Interchange Heads
As it was recently predicted, the kinetic ballooning/interchange instability (BICI) can provoke reconnection onsets that lead to detached azimuthally thin earthward intrusions (he…
Strong Amplification of ELF/VLF Signals in Space Using Neutral Gas Injections from a Satellite Rocket Engine
The first demonstration of rocket exhaust driven amplification (REDA) of whistler mode waves occurred on 26 May 2020 by transferring energy from pickup ions in a rocket exhaust pl…
Tectonic Landform and Paleoseismic Activity of the Northernmost Sumatran Fault, Aceh Province, Indonesia
The Sumatran fault is an arc-parallel dextral strike-slip fault that accommodates much of the right-lateral component of oblique subduction of the Indian-Australian plate beneath …
Extreme Value Snow Water Equivalent and Snowmelt for Infrastructure Design over the Contiguous United States
Snowmelt-driven floods result in large societal and economic impacts on local communities including infrastructure failures in the U.S. However, the current U.S. government standa…
3D magnetotelluric inversion reveals the superposition of tectonic systems in the northern Songliao Basin
The creation and evolution of the Songliao Basin is closely related to the closure of the Paleo-Asian Ocean and the Mongolia-Okhotsk Ocean, and the subduction of the Paleo-Pacific…
Crustal velocity variations and constraints on material properties in the Charlevoix Seismic Zone, eastern Canada
Crustal velocity variation within impact-related seismic zones is commonly attributed to mechanisms such as pore pressure changes, dense fracture network, and compositional variat…
Spectral Observations of Optical Emissions Associated with Terrestrial Gamma-Ray Flashes
The Atmosphere-Space Interactions Monitor measures Terrestrial Gamma-Ray Flashes (TGFs) simultaneously with optical emissions from associated lightning activity. We analyzed optic…
Exploring the Existence of an Additional Planet in the hot-Jupiter Extra-solar Planetary System TrES-5
We present seven new transit light curves of the hot-Jupiter TrES-5b observed with the 2-m Himalayan Chandra Telescope, Hanle, India during 2016-2020 to look for the transit timin…
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