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Showing 16751 to 16800 of 22070 works
Characterization of Size Distribution of Rocks on Extraterrestrial Bodies: Insights from Laboratory Experiments and Num…
The nature of an apparently random rock deposit, such as regolith on an extraterrestrial body, is often evaluated in terms of the size distribution of the rock particles. Especial…
What sets the tropical cold point in GSRMs? Overshooting convection vs. cirrus lofting
The cold point tropopause, the minimum temperature within the tropical upper troposphere-lower stratosphere region (UTLS), significantly impacts the Earth’s climate by influencing…
Climate feedbacks derived from theory and spatial contrasts in recent climatology
Climate feedbacks determine how much surface temperatures will eventually warm to balance anthropogenic radiative forcing, but remain difficult to constrain. The climate feedback …
Microwave-Induced Thermoacoustic Imaging of Subsurface 3D Water-Oil Displacement in Porous Sand
The process of two-phase fluid displacement in the porous medium is still poorly understood partly due to the absence of effective reconstruction methods featured in a 3D real-tim…
Improving stream solute predictions with a modified LSTM model incorporating solute interdependences and hysteresis pat…
Surface runoff and infiltrated water interact with dynamic landscape properties en route to the stream, ranging from vegetation and microbial activities to soil and geological att…
Aerosol background concentrations influence aerosol-cloud interactions as much as the choice of aerosol-cloud parameter…
We use an independent observational estimate of aerosol-cloud interactions (ACI) during the 2014 Holuhraun volcanic eruption in Iceland to evaluate 4 ACI parameterizations in a re…
Toward a Universal Model of Hyporheic Exchange and Nutrient Cycling in Streams
In this paper we demonstrate that hyporheic exchange can be represented simply as a one-dimensional diffusion process, where the diffusivity decays exponentially with depth into t…
Increasing Antarctic snowfall mitigates sea level rise less than projected due to meltwater influence on sea surface te…
Ice-core-based reconstructions show that increased snow accumulation on the Antarctic Ice Sheet mitigated global sea level rise by ~ 10 mm during 1901-2000 ( Medley and Thomas , 2…
UAS Hydrometry: Contactless River Water Level, Bathymetry, and Flow Velocity -The Rӧnne River Dataset
High-resolution monitoring of rivers becomes important because more frequent and severe flooding and drought events are expected in the future, caused by climate change. Some key …
Extreme Precipitation over the Greater Antilles: Relation with Large-Scale Circulation and Humidity
This study examines extreme precipitation over the Greater Antilles and its relationship with large-scale circulation and specific humidity over the period 1985-2015. The data use…
Glacial ocean carbon storage enhanced by a shallow AMOC and marine aggregates sinking
Representing glacial-interglacial changes in ocean carbon sequestration remains a major challenge for Earth system models (ESMs). Uncertainties in ocean circulation and biological…
A Review of Green's Function Methods for Tracer Timescales and Pathways in Ocean Models
Understanding advective-diffusive dispersal of trace substances in environmental fluids like the global ocean is a ubiquitous challenge in geophysics. Since the turn of the millen…
Characteristic and Mechanism of Step-rising Pressure-Stimulated Rock Current from Dried Diorite Bi-axially Compressed t…
The pressure-stimulated rock current (PSRC) is an extremely important petrophysical phenomenon and the catastrophic characterization of solid Earth, which attributed to several ph…
Increasing Risks of Water Supply Reduction and Flow Disruptions from the Headwaters to the Lower Reaches of the Yellow …
Since the early 21st century, the Yellow River Source Basin (YRSB) has faced multiple flow disruptions, threatening water security for nearly one million downstream residents. Eff…
Investigation of Thermospheric Response to Geomagnetic Storms Using GITM-OVATION Prime and -FTA model With Comparison t…
Global Ionosphere Thermosphere Model (GITM) results have been compared with measurements from Global-scale Observations of the Limb and Disk (GOLD) and Sounding of the Atmosphere …
Intensity oscillations of tropical cyclones: surface versus mid and upper tropospheric processes
Some of the classical models of tropical cyclone intensification predict tropical cyclones to intensify up to a steady intensity, which depends on surface fluxes only, without any…
The Response of Tropical Cyclone Inner Core and Outer Rainband Precipitation to Warming in Idealized Convection-Permitt…
Global mean and extreme tropical cyclone (TC) precipitation has been increasing and is expected to continue to increase into the future due to climate change. While climate models…
Diagnosing nonlocal effects and coherent structure scales in moist convection using a large-eddy simulation
The anelastic theory of effective buoyancy has been generalized to include the effects of momentum flux convergence. Mediated by the nonlocal perturbation pressure, the dynamics t…
Distribution, Mixing, and Transformation of a Loop Current Ring Waters: The Case of Gulf of Mexico
Mesoscale warm-core rings, known as Loop Current rings (LCRs) reshape the Gulf of Mexico water masses by redistributing large amounts of heat and salt laterally. LCRs also transfo…
Summer mesoscale convective systems in convection-permitting simulation using WRF over East China
Mesoscale convective systems (MCSs) are active in East China during the summer, causing significant precipitation and extreme weather. Increasing MCS frequency and intensity with …
Exploring Machine Learning's Potential for Estimating High Resolution Daily Snow Depth in Western Himalaya using Passiv…
Snow depth (SD) exhibits high spatiotemporal heterogeneity in Western Himalaya (WH), and its knowledge is essential for applications related to water resources, disaster managemen…
Origins of Extreme CAPE around the World
Severe convection, responsible for hazards such as tornadoes, flash floods, and hail, is usually preceded by abundant Convective Available Potential Energy (CAPE). In this work, w…
Observed Seasonality of Mixed-Layer Eddies and Vertical Heat Transport over the Antarctic Continental Shelf
The Antarctic continental shelf (ACS) hosts processes that impact the climate system globally, which has motivated ongoing efforts to characterize its state, circulation and varia…
Limited physical protection leads to high sedimentary organic carbon reactivity under anoxic conditions
Marine sediments bury ~160 Tg organic carbon (OC) yr-1 globally, with ~90% of burial occurring in continental margin sediments. It is generally believed that OC is buried more eff…
The Turbulent Pressure Spectrum Within the Roughness Sublayer of a Subarctic Forest Canopy
The turbulent static pressure spectrum Epp(kx) as a function of longitudinal wavenumber kx in the roughness sublayer of forested canopies is of interest to a plethora of problems …
Ocean carbon export flux projections in CMIP6 Earth System Models across multiple export depth horizons
The ocean’s biological carbon pump (BCP) plays a key role in global carbon cycling by transporting biologically-fixed carbon from the surface to the deep ocean. Prior analyses of …
Mesoscale Convective Systems tracking Method Intercomparison (MCSMIP): Application to DYAMOND Global km-scale Simulatio…
Global kilometer-scale models are the future of Earth system models as they can explicitly simulate organized convective storms and their associated extreme weather. Here, we comp…
Lagrangian dispersion in realistic surface mixed layers
In the upper ocean, the surface mixed layer is rich in submesoscale flows characterized by large vertical velocities and significant vertical transport. In addition, the vertical …
Quantifying Bioluminescent Light Intensity in Breaking Waves using Numerical Simulation
Breaking-wave induced bioluminescence is a critical component of the biogeochemical process in the ocean. Understanding bioluminescence is important for monitoring red tides cause…
A Review of Green's Function Methods for Tracer Timescales and Pathways in Ocean Models
Understanding advective-diffusive dispersal of trace substances in environmental fluids like the global ocean is a ubiquitous challenge in geophysics. Since the turn of the millen…
Assessment of Instrument Performance of the FY3E/JTSIM/DARA Radiometer Through the Analysis of TSI Observations
• Time-frequency analysis of the the total solar irradiance (TSI) dataset recoreded by the FY3E/JTSIM/DARA • DARA observations (in WRR scale) on average higher than measurements r…
Effects of Mesoscale Eddies on Southern Ocean Biogeochemistry
• Cyclonic eddies pump DIC and nitrate upwards leading to less oceanic carbon uptake, and anticyclonic eddies have the opposite impact • Cyclonic eddies pump low-oxygen water upwa…
Harnessing the Power of Geophysical Imaging to Recharge California's Groundwater
Motivated by the availability of 20,000 line-km of airborne electromagnetic (AEM) data covering the Central Valley of California, we developed a workflow that uses resistivity p…
A Novel 3D Lithofacies Characterization Method Using Transition Probabilities and Manifold Embedding for Nonstationary …
Subsurface characterization remains a pivotal challenge in geology, hindered by the inherent complexity and nonstationarity of geological processes. Conventional geostatistical me…
Multigrid Beta Filter for Faster Computation of Ensemble Covariance Localization
This study applies a multigrid beta filter (MGBF) for covariance localization in ensemble-variational (EnVar) data assimilation instead of the conventional recursive filter (RF) t…
Geographic variation in Earth's core magnetic field modifies the radiation belt electron flux relationship with substor…
Geographic variability in Earth’s core magnetic field, measured at 400 km altitude but corrected for ionospheric and magnetospheric signals, correlates with electron flux levels m…
A Case Study of an Exceptional Atmospheric River and Explosively Deepening Cyclone over the US Central Plains in March …
Atmospheric Rivers (ARs) intricately connect with diverse weather systems, spanning planetary-scale to mesoscale levels, influencing extreme weather events through the transportat…
Total and bioaccessible metal concentrations in river flood sediment deposits in two urban communities following Hurric…
Anthropogenic climate change has resulted in extreme rainfall and flooding on both a global and local scale. Flooding of urban areas can redistribute historical and present-day so…
Physics-Informed Deep Learning for Estimating the Spatial Distribution of Frictional Parameters in Slow Slip Regions
Slow slip events (SSEs) have been observed in many subduction zones and are understood to result from frictional unstable slip on the plate interface. The diversity of their chara…
An ocean memory perspective: Disentangling atmospheric control of decadal variability in the North Atlantic Ocean
An ocean memory framework is proposed to reveal the atmosphere's influence on ocean temperatures. Anomalous atmospheric forcing alters the ocean state through two mechanisms: shor…
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