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Showing 10251 to 10300 of 22070 works

NYenviroScreen: An Open Source Data Driven Method for Identifying Potential Environmental Justice Communities in New Yo…

In 2003, the New York State Department of Environmental Conservation began designating Potential Environmental Justice Areas (PEJA) for the purpose of providing additional public …

Time-lapse monitoring of seismic velocity associated with 2011 Shinmoe-dake eruption using seismic interferometry: an e…

Seismic interferometry is a powerful tool to monitor the seismic velocity change associated with volcanic eruptions. For the monitoring, changes in seismic velocity with environme…

On the estimation of in-cloud vertical air motion using radar Doppler spectra

Measurements of in-cloud vertical air motion are key to quantitatively describe cloud dynamics and their role in cloud microphysics. Here, a retrieval technique for estimating the…

Effects of Shallow Velocity Reductions on Three-Dimensional Propagation of Seismic Waves

We perform 3D simulations of seismic wavefields to clarify effects of strong reductions of shallow velocities on long-period seismic waves. The simulations use a reference communi…

Diffuse Groundwater Discharge Dominates Terrestrial Dissolved Inorganic Carbon Export and CO2 Evasion From a Semiarid H…

Groundwater discharge to headwater streams and concomitant terrestrial dissolved inorganic carbon (DIC) export play a significant role in headwater stream CO2 evasion. However, pr…

Standardized Variability Index (SVI): A multiscale index to assess the variability of precipitation

Quantifying the spatiotemporal variability of precipitation is the principal component for the assessment of the impact of climate change on the hydrological cycle. A better under…

“First Do No Harm” Approaches to Restoring Arctic Albedo

The Earth’s Arctic ice cover has diminished rapidly. NOAA reported last December that 95% of the most-reflective multi-year ice has disappeared over the past 40 years. The effects…

Recent trends in the waviness of the Northern Hemisphere wintertime polar and subtropical jets

A feature-based metric of the waviness of the wintertime, Northern Hemisphere polar and subtropical jets is developed and applied to three different reanalysis data sets. The anal…

Flow strength of wet quartzite in steady-state dislocation creep regimes

We quantitatively investigated the flow laws of wet quartzite in steady-state dislocation creep regimes by considering both the dependence of the activation enthalpy on pressure a…

Evaluating Catchment Models as Multiple Working Hypotheses: on the Role of Error Metrics, Parameter Sampling, Model Str…

To evaluate models as hypotheses, we developed the method of Flux Mapping to construct a hypothesis space based on dominant runoff generating mechanisms. Acceptable model runs, de…

Coupling of the land surface model CAS-LSM with the climate system model CAS-FGOALS-g3

The land surface model of the Chinese Academy of Sciences (CAS-LSM), which includes lateral flow, water use, nitrogen discharge and river transport, soil freeze thaw front dynamic…

Measuring Fundamental and Higher Mode Surface Wave Dispersion on Mars From Seismic Waveforms

One of the goals of the InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) mission is to constrain the interior structure of Mars. We present …

Joint inversions of ground deformation, extrusion flux and gas emissions using physics-based models for the Mount St. H…

With the increasing quantity and quality of data collected at volcanoes, there is growing potential to incorporate all the data into analyses of the magmatic system. Physics-based…

Alkalinity production coupled to pyrite formation represents an unaccounted blue carbon sink

Coastal vegetated habitats, including mangroves, saltmarshes and seagrasses, mitigate climate change by storing atmospheric carbon. Previous blue carbon research has mainly focuse…

Data-Driven Classification of Materials with Open or Closed Mechanical Discontinuities Based on Multipoint, Multimodal …

1. Abstract Wave propagation and diffusive transport phenomena could work as evidence of the mechanical discontinuities in material. For the problem of poor efficiency of the exis…

Focal mechanisms of small earthquakes beneath the Japanese islands based on first-motion polarities picked using deep l…

Knowledge of crustal stress fields is essential for understanding tectonics and earthquake generation. One approach for estimating the crustal stress field is based on the focal m…

Uncertainty in near-term temperature evolution must not obscure assessments of climate mitigation benefits

In a recent study, Samset et al. reported that due to the imprint of natural variability, the effects of emission mitigation will only be perceived through global temperature with…

Modification of poroelastic properties in granite by heating - cooling treatment

Poroelastic properties play an essential role in interaction between deformation and fluid pressure change in porous materials. These properties are inherently related to microstr…

Autotrophic respiration dominates ecosystem respiration at Canadian boreal forest

Most of the Earth System Models (ESMs) rely on empirical functions for decomposition of litter with multiple soil carbon pools decaying at different rates to estimate R eco variat…

Revisiting global vegetation controls using multi-layer soil moisture

The productivity of terrestrial vegetation is determined by a multitude of drivers between the land surface and atmosphere. Water availability is critical for vegetation productiv…

Factors and pathways regulating the release and transformation of arsenic mediated by DFeRB and SRB

The novelty of this work is to explore the driving process and key environmental factors governing As mobilization mediated by DFeRB and SRB on the basis of continuous As speciati…

Volcanoes show signs of large-scale thermal unrest for years prior to eruption

Identifying the observables that warn of volcanic eruptions is a major challenge in natural hazard management. An important, but under-investigated, observable is the release of h…

Are Dawn Storms Jupiter's auroral substorms?

Dawn storms are among the brightest events in the Jovian aurorae. Up to now, they had only been observed from Earth-based observatories, only showing the Sun-facing side of the pl…

Towards data-driven approaches for simulating rainfall in climate models

Climate model simulations of rainfall in the tropics suffer from pervasive biases, and that can lead to degraded climate simulations in other regions as well. Over the past two de…

The impact of assuming perfect foresight for investment analysis in water resources systems

Perfect foresight hydroeconomic optimization models are tools to evaluate impacts of water infrastructure investments and policies considering complex system interlinkages. Howeve…

Why are long-term storage variations observed but not modelled in the Luangwa basin?

In the Luangwa basin, long-term total water storage variations were observed with GRACE, but not reproduced by a standard conceptual hydrological model that encapsulates our curre…

Modified Cam-Clay Model for Large Stress Ranges and its Predictions for Geological and Drilling Processes

We modify the Modified Cam-Clay (MCC) model for large stress ranges encountered in geological applications. The MCC model assumes that the friction angle (ϕ) and the slope of the …

Convective invigoration traced to warm-rain microphysics

Aerosols are postulated to alter moist convection by increasing cloud droplet number concentration. Cloud-resolving model simulations of radiative-convective equilibrium show that…

Insights from CMIP6 for Australia's future climate

Outputs from new state-of-the-art climate models under the Coupled Model Inter-comparison Project phase 6 (CMIP6) promise improvement and enhancement of climate change projections…

Monsoons, ITCZs and the Concept of the Global Monsoon

Earth’s tropical and subtropical rainbands, such as Intertropical Convergence Zones (ITCZs) and monsoons, are complex systems, governed by both large-scale constraints on the atmo…

Aerosol mass and optical properties, smoke influence on O3, and high NO3 production rates in a western US city impacted…

Evaluating our understanding of smoke from wild and prescribed fires can benefit from downwind measurements that include both inert tracers to test production and transport and re…

Water depth dependence of long-range correlation in nontidal variations in seafloor pressure

Isolating the source of non-tidal oceanographic noise in seafloor pressure data is critical for improving the use of these data for seafloor geodetic applications. Residuals betwe…

Global changes in floods and possible mechanisms

While warming temperatures are known to increase atmospheric moisture capacity and heavy precipitation frequency; as yet there is little evidence for corresponding increases in fl…

Applying insights from the 2018 Kilauea East Rift eruption to modeling scoria and spatter cone formation

Observations of active eruptions can provide insights into spatter and scoria cone formation. As Kilauea’s 2018 East Rift eruption developed and the outflow of lava localized at F…

Experimental Methods and Imaging for Enzymatically Induced Calcite Precipitation in a micro-fluidic cell

Enzymatically Induced Calcite Precipitation (EICP) in porous media can be used as an engineering option to achieve targeted precipitation in the pore space, e.g. with the aim to s…

Reviewing the “Hottest” Fire Indices Worldwide

Wildfire indices are used globally to quantify and communicate a wide range of fire characteristics, including fire danger and fire behaviour. Wildfire terminologies, definitions …

Evaluation of sensor characteristics on the retrieval of vegetation surface reflectance in high-latitude ecosystems

Over the last nearly five decades, optical remote sensing has played a key role in monitoring and quantifying global change, plant diversity, and vegetation functioning across Ear…

ICESat-2/ATLAS Onboard Flight Science Receiver Algorithms: Purpose, Process, and Performance

The Advanced Topographic Laser Altimetry System (ATLAS) is the sole instrument on the Ice, Cloud, and land Elevation Satellite 2 (ICESat-2). Without some method of reducing the tr…

Weather-Dependent Nonlinear Microwave Behavior of Seasonal High-Elevation Snowpacks

Ensemble predictions of the seasonal snowpack over Grand Mesa, CO were conducted for the hydrologic year 2016-2017 using a multilayer snow hydrology model. Ensembles were generate…

Modeling the Effects of Topography Heterogeneity and Discharge Variations on Riverbed Hydrodynamics in a 30-kilometer-l…

Quantifying the multiscale feedback between hydrodynamics and biogeochemistry is key to reliable modeling of river corridor systems. However, accurate and efficient hydrodynamics …

SPACE-BORNE CLOUD-NATIVE SATELLITE-DERIVED BATHYMETRY (SDB) MODELS USING ICESat-2 and SENTINEL-2

Shallow nearshore coastal waters provide a wealth of societal, economic and ecosystem services, yet their topographic structure is poorly mapped due to a reliance upon expensive a…

The Hydrocarbon Mobility Evaluation of middle Eocene low Maturity Lacustrine Shale in the Bohai Bay Basin: Implications…

A vital factor influencing shale oil exploration in lacustrine shale reservoirs is oil mobility, which is closely associated with the shale pore structure and fluid properties, es…

Geological and Stratigraphic Relationships between Slump Deposits and Stacked Delta Deposits in the Melas Chasma Rift M…

In order to assess the sedimentological and stratigraphic history of the Melas Chasma rift basin, Mars, and investigate the possibility of past bodies of water, we have mapped Hes…

A numerical study on precipitation over the western coastal area of Sumatra Island

It has been documented that significant amounts of tropical precipitation are concentrated in coastal areas, which is especially prominent over the western coast of Sumatra Island…

What can we learn from REE abundances in clinopyroxene and orthopyroxene in residual mantle peridotites?

Clinopyroxene and orthopyroxene are the two major repositories of rare earth elements (REE) in spinel peridotites. Most geochemical studies of REE in mantle samples focus on clino…

The LMARS based shallow-water dynamical core on the cubed-sphere geometry

The rapidly increasing computing powers allow global atmospheric simulations with aggressively high resolutions, which challenges traditional model design principles. This paper p…

Simultaneous Inversion of Multiple Faults' Parameters From InSAR Data Using a Genetic Algorithm

Interferometric synthetic-aperture radar (InSAR) interferograms contain valuable information about the fault systems hidden beneath the surface of the Earth. In a new approach, we…

Characterizing the Ice-Ocean Interface of Icy Worlds: A Theoretical Approach

We investigate the structure and evolution of multiphase ice-ocean interfaces (‘mushy layers’) and the implications for the geophysics and habitability of ice-ocean worlds. Unders…

Structural Investigation of Zungeru-Kalangai Fault Zone, Nigeria using Aeromagnetic and Remote Sensing Data

The aeromagnetic and satellite imagery data of the part of northcentral Nigeria were processed to delineate subsurface structures, produced 2D models of the structures within the …

Japanese Activity in collaboration with the international ocean literacy survey

The ocean plays important roles not only in the global climate system but also in the global material cycling through biogeochemical processes, and has close relationships with th…

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