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Showing 8601 to 8650 of 22070 works
A Laboratory Perspective on the Gutenberg-Richter and Characteristic Earthquake Models
Probabilistic seismic hazard analysis (PSHA) is the standard method used for designing earthquake-resistant infrastructure. In recent years, several unexpected and destructive ear…
Filling the gap between GRACE-and GRACE-FO-derived terrestrial water storage anomalies with Bayesian convolutional neur…
There is an approximately one-year observation gap of terrestrial water storage anomalies (TWSAs) between the Gravity Recovery and Climate Experiment (GRACE) satellite and its suc…
Future decreases in thermospheric density in very low Earth orbit
Increasing carbon dioxide causes cooling in the upper atmosphere and a secular decrease in atmospheric density over time. With the use of the Whole Atmospheric Community Climate M…
Creating Local Pathways for Resilience to the Impacts of Global Climate Change with the Hazard Education and Resilience…
Rural communities in Colorado face different challenges than urban areas when responding to the impacts of climate change. While these communities may not have access to the finan…
Assessing Crack Compliance in Low Porosity Rocks Damaged by Thermo-Hydro-Chemo-Mechanical Processes
Fracture geometry, density, and distribution control fluid and thermal transport in low porosity rocks, as well as their seismic attributes. The creation of cracks throughout the …
Power and Pathways: Exploring robustness, cooperative stability and power relationships in regional infrastructure inve…
Regional cooperation among urban water utilities is a powerful mechanism for improving supply reliability and financial stability in urban water supply systems. Through coordinate…
Linking the North Atlantic Oscillation to winter precipitation over the Western Himalaya through disturbances of the su…
Winter (December to March) precipitation is vital to the agriculture and water security of the Western Himalaya and is largely brought to the region by extratropical systems, know…
Magnetohydrodynamical Understanding of the Interactions Between Coronal Mass Ejections and Earth's Magnetosphere.
Coronal mass ejections (CMEs), the large scale transient eruptions from the Sun, interact with the Earth’s magnetosphere while travelling into the heliosphere. The energetic inter…
Developing a Snow Algae Model to Reconstruct Blooming at the Global Scale Using a Land Surface Model
Snow algae are found from spring to summer on snowfields and glaciers throughout the world. Their blooming darkens snow surfaces, reducing snow surface albedo and accelerating mel…
Evaluating a UAV-based mobile sensing system designed to quantify ecosystem-based methane
Methane plays an important role in determining the atmosphere’s climate and chemistry. Fluxes of methane from an ecosystem are often measured using eddy covariance flux towers; ho…
Sonar Observation of Heat Flux of Diffuse Hydrothermal Flows
Previous work using multibeam sonar to map diffuse hydrothermal flows is extended to estimate the heat output of diffuse flows. In the first step toward inversion, temperature sta…
Polar vortices in planetary atmospheres
Among the great diversity of atmospheric circulation patterns observed throughout the solar system, polar vortices stand out as a nearly ubiquitous planetary-scale phenomenon. In …
Medium-resolution multispectral satellite imagery in precision agri- culture: mapping precision canola (Brassica napus …
Precision yield data is commonly recorded by modern combine harvesters and can be used to help growers optimize their operations. However, there have been very few attempts to pre…
The effect of midnight temperature maximum winds on post-midnight equatorial spread F
The SAMI3/ESF (Sami3 is also a model of the ionosphere/equatorial spread $F$) code is used to simulate the growth of equatorial plasma bubbles in the presence of a background wind…
Rise and fall of ice production in the Arctic Ocean's ice factories
The volume, extent and age of Arctic sea ice is in decline, yet winter sea ice production appears to have been increasing, despite Arctic warming being most intense during winter …
Understand and Quantify Long-Term Hydroclimate Trends in the Highland Lakes Watersheds via Spatially Distributed Hydrol…
The Highland Lakes on the Colorado River in Texas, specifically lakes Buchanan and Travis, supply water for the Austin metropolitan area. The population of the Austin area is proj…
Evaluating models for lithospheric loss and intraplate volcanism beneath the Central Appalachian Mountains
The eastern margin of North America has been shaped by a series of tectonic events including the Paleozoic Appalachian Orogeny and the breakup of Pangea during the Mesozoic. For t…
Distribution of Active Faults and Lithospheric Discontinuities in the Himalayan- Tibetan Orogenic Zone Identified by Mu…
To reveal the spatial distribution of major active faults and structural discontinuities in the Himalayan-Tibetan orogen, this paper presents wavelet multiscale analysis of the Bo…
Object-based evaluation of precipitation systems in convection-permitting regional climate simulation over eastern China
Based on the object-based tracking algorithm, the precipitation simulation ability of the convection-permitting (CP) regional climate models (RCMs) is evaluated from the viewpoint…
A general algorithm for the linear and quadratic gradients of physical quantities based on 10 or more point measurements
In this study, a novel algorithm for jointly estimating the linear and quadratic gradients of physical quantities with multiple spacecraft observations based on the least square m…
Influence of the COVID-19 lockdown on lightning activity in the Po Valley
The relationship between aerosol concentration and lightning is complex. Aerosols can act as cloud condensation nuclei, contributing to the formation of cloud droplets, cloud elec…
Chemical Weather and Chemical Climate
Progress in fundamental understanding of atmospheric chemistry in the past decades has enabled the development of advanced environmental predictive capability. Accurate chemical w…
Moisture channels and pre-existing weather systems for East Asian rain belts
Rain belts in East Asia frequently pose threats to human societies and natural systems. Advances in a skillful forecast on heavy precipitation require a deeper understanding of th…
Earthquakes Detectability of KUT Infrasound Sensor Network During 2019
Infrasound waves can be defined as the sound waves with frequency range from 0.003 to 20 Hz. Kochi University of Technology (KUT) Infrasound Sensor Network contains 30 infrasound …
The ocean-driven instability of the South Pacific sector of the West Antarctic Ice Sheet since 773 ka
Insight into the causes of the West Antarctic Ice Sheet (WAIS) stability over middle Pleistocene glacial/interglacial (G/IG) cycles is fundamental to our understanding of the resp…
Seismic Detection of Oceanic Internal Gravity Waves from Terrestrial Observations
Oceanic internal gravity waves propagate along density stratification within the water column and are ubiquitous. They can propagate thousands of kilometers before breaking in sho…
Development of a Physically Based Sediment Transport Model for Green Bay, Lake Michigan
Green Bay is the largest freshwater estuarine system on earth, drains one-third of the Lake Michigan basin and delivers one-third of the lake’s phosphorus load. Southern Green Bay…
A new estimate of Global Ocean Carbon Flux from In Situ Optical Observations and Supervised Learning.
Export of sinking particles from the surface ocean is critical for carbon sequestration and for providing energy to the deep-ocean biosphere. The magnitude and spatial patterns of…
A New Approach to the Siltation Problem in the Sand Storage Dam
Sand dams, a water harvesting system built in arid or semi-arid regions, collect and store water in saturated sands to increase water availability in dry seasons, while avoiding e…
Geochemical and mineralogical changes caused by melt-rock and fluid-rock interactions as evidenced from the residual ma…
Rocks of ophiolitic affinity occurring in east Arunachal Pradesh, India consist of a number of dismembered units of mantle peridotites, mafic intrusives, amphibolites, volcano-sed…
The Role of Cohesion in Granular Fault Gouges on the initiation of Sliding: Slip-weakening Mechanisms and Energy Budget
Fault zone usually presents a granular gouge, coming from the wear material of previous slips. Considering a mature fault gouge with mineral cementation between particles, we aim …
Alongshore winds force warm Atlantic Water toward Helheim Glacier in southeast Greenland
Enhanced transport of warm subsurface Atlantic Waters (AW) into Greenland fjords has driven glacier mass loss, but the mechanisms transporting AW to the fjords remain poorly chara…
Surface-layer wind shear and momentum transport from clear-sky to cloudy weather regimes over land
This study investigates how wind shear and momentum fluxes in the surface- and boundary layer vary across wind and cloud regimes. We use a nine-year-long data set from the Cabauw …
Analysis of Oil and Gas Ethane and Methane Emissions in the Southcentral and Eastern United States Using Four Seasons o…
In the last decade, much work has been done to better understand methane (CH4) emissions from the oil and gas (O&G) industry in the United States. Ethane (C2H6), a gas that is co-…
Eddy Length Scale Response to Static Stability Change in an Idealized Dry Atmosphere: A Linear Response Function Approa…
The response of mid-latitude equilibrated eddies’ length scale to static stability has long been questioned but not investigated in well-controlled experiments with unchanged mean…
Functional Delta Connectivity and Impacts on Lake Ice in the Colville Delta, Alaska
Within Arctic deltas, surficial hydrologic connectivity of lakes to nearby river channels influences physical processes like sediment transport and ice phenology as well as biogeo…
Ionospheric Disturbances That Accompanied the Super Typhoon Lekima Event of 4 - 12 August 2019
We acquired measurements with the oblique HF Doppler technique in the city of Harbin during the super typhoon Lekima event of 4 – 12 August 2019. The ionospheric response was obse…
Towards imaging flow at the base of the mantle with seismic, mineral physics and geodynamic constraints
Perhaps the least ambiguous signal that the mantle is convecting comes from observations of seismic anisotropy---the variation of wave speed with direction---which must arise due …
Earthcasting: Geomorphic forecasts for society
Over the last several decades, the study of Earth surface processes has progressed from a descriptive science to an increasingly quantitative one due to advances in theoretical, e…
Will anthropogenic warming increase Evapotranspiration? Examining Irrigation Water Demand Implications of Climate Chang…
Climate modeling studies and observations do not fully agree on the implications of anthropogenic warming for evapotranspiration (ET), a major component of the water cycle and dri…
A Multicomponent Magnetic Proxy for Solar Activity
We present a new, multicomponent magnetic proxy for solar activity derived from full disk magnetograms that can be used in the specification and forecasting of the Sun’s radiative…
Role of strain-rate partitioning in aseismic strain localization: implications for the Karakoram Shear Zone, India
Shear zones in the earth’s crust commonly deform by aseismic creep processes which involve localization of strain at varying rates across the shears. Therefore, it is of key impor…
The Music of Rivers: How the Mathematics of Waves Reveals Global Drivers of Streamflow Regime
River flow changes on timescales ranging from minutes to millennia. These variations influence fundamental functions of ecosystems, including biogeochemical fluxes, aquatic habita…
A New Method to Assess the Volume of Volcanic Landforms and Associated Deposits
The calculation of volcanic deposit volume has been drastically improved from two decades because of the apparition of detailed digital elevation models. We proposed here an execu…
Impact of the 2015 Drought on the Water Dynamics in a Central Amazonian Forest
The 2015-16 El Nino had a record-breaking impact on the Amazon rainforest, with the region experiencing extremes of heat and drought. We study the impact of the 2015 drought on th…
Modeling lithospheric thickness along the conjugate South Atlantic passive margins implies asymmetric rift initiation
The lithospheric architecture of passive margins is crucial for understanding the tectonic processes that caused the break-up of Gondwana. We highlight the evolution of the South …
Moist moss tundra on Kapp Linne, Svalbard is a net source of CO2 and CH4 to the atmosphere
We measured COs -1 which corresponds to a growing season estimate of 0.04 to 0.16 g CH 4 m -2 . We find that this moss tundra emits about 60 gCO 2 -equivalents m -2 yr -1 of which…
Observational evidence of increasing global radiative forcing
Changes in atmospheric composition, such as increasing greenhouse gases, cause an initial radiative imbalance to the climate system, quantified as the instantaneous radiative forc…
A Science Musical: Combining Theatre and Song for Science Communication
We present our work as science communication duo Geologise Theatre – two graduate geoscience researchers who use theatrical techniques and music to communicate scientific concepts…
E-CHAIM as a model of Total Electron Content: Performance and Diagnostics
Here we assess to what extent the Empirical Canadian High Arctic Ionospheric Model (E-CHAIM) can reproduce the climatological variations of vertical Total Electron Content (vTEC) …
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