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Showing 1651 to 1700 of 59105 works
Reconnection Signatures in Kelvin Helmholtz Instability in PIC Simulations
We performed 2D PIC simulations of Kelvin Helmholtz instability (KHI) with symmetric and asymmetric density and temperature profiles along the flow shear with a northward interpla…
Exploring sources of gravity waves in the southern winter stratosphere through ray-tracing 3-D satellite observations
During winter, the latitude belt at 60S is one of the most intense hotspots of stratospheric gravity wave (GW) activity. However, producing accurate representations of GW dynamics…
Advantages of Inter-calibration for Geostationary Satellite Sensors onboard Twin Satellites
To address the increasing demand for diurnal information on trace gases and aerosols, a series of geostationary (GEO) satellite programs called GEO-constellation have been initiat…
Exploring Regional Climate of the Euro-Mediterranean Using a Variable-Resolution Configuration of the Global Community …
A Variable-Resolution, global configuration of the Community Earth System Model (VR-CESM) in which the atmosphere and land are the only active components is employed to investigat…
Response of convectively coupled Kelvin waves to surface temperature forcing in aquaplanet simulations
This study investigates changes in the propagation and maintenance of convectively coupled Kelvin waves (KWs) in response to surface warming. We use a set of three aquaplanet simu…
Human Fingerprints on Daily Temperatures in 2022 (after second revision)
Capsule summary. Extreme temperatures in the UK (July 2022) and India/Pakistan (Spring 2022) are confidently attributed to climate change using an automated system. Similarly attr…
Assessment of landscape-scale fluxes of carbon dioxide and methane in subtropical coastal wetlands of South Florida
Coastal wetlands play a significant role in the storage of ‘blue carbon’, indicating their importance in the carbon biogeochemistry in the coastal zone and in global climate chang…
Exploring uncertainty of trends in the lower-tropospheric North Pacific Jet position
It has been difficult to establish trends in the observed jet streams, despite modelling studies suggesting they will move polewards in a warming world. While this is partly due t…
Spatio-seasonal risk assessment of upward lightning at tall objects using meteorological reanalysis data
This study investigates lightning at tall objects and evaluates the risk of upward lightning (UL) over the eastern Alps and its surrounding areas. While uncommon, UL poses a threa…
Identifying Robust Decarbonization Pathways for the Western U.S. Electric Power System under Deep Climate Uncertainty
Climate change threatens the resource adequacy of future power systems. Existing research and practice lack frameworks for identifying decarbonization pathways that are robust to …
Ebb-dominant mixing increases the seaward sediment flux in a stratified estuary
Intratidal variability in stratification, referred to as internal tidal asymmetry, affects the residual sediment flux of an estuary by altering sediment transport differently duri…
TANAGER: Design and Validation of an Automated Spectrogoniometer for Bidirectional Reflectance Studies of Natural Rock …
Laboratory measurements of reflectance spectra of rocks and minerals at multiple viewing geometries are important for interpreting spacecraft data of planetary surfaces. However, …
Modeling Climate and Tectonic Controls on Bias in Measured River Incision Rates
Rates of land surface processes provide insights into climate and tectonic influences on landscape dynamics. River incision rates into bedrock are estimated by dating perched land…
Unlocking potential: A case study on reducing shortwave radiation bias in the Southern Ocean through improved cloud pha…
There are significant gaps in both experimental and theoretical understanding of mixed-phase clouds, their impacts on the hydrological cycle as well as their effects on atmospheri…
Martian atmospheric tides revealed from MAVEN/IUVS and MRO/MCS Observations
Utilizing atmospheric temperature observed from Mars Years 33 to 36 by the Imaging Ultraviolet Spectrograph (IUVS) onboard the Mars Atmosphere and Volatile Evolution (MAVEN) and M…
Role of Riverine Dissolved Organic and Inorganic Carbon and Nutrients in Global-ocean Air-sea CO2 Fluxes
While the preindustrial ocean was assumed to be in equilibrium with the atmosphere, the modern ocean is a carbon sink, resulting from natural variability and anthropogenic perturb…
A Fortran-Python Interface for Integrating Machine Learning Parameterization into Earth System Models
Parameterizations in Earth System Models (ESMs) are subject to biases and uncertainties arising from subjective empirical assumptions and incomplete understanding of the underlyin…
Deciphering the Shift from Warm-Dry to Warm-Wet Events in Ice-Covered and Non-Ice-Covered Regions
Compound warm events exert profound impacts on environment, health, and socioeconomics. A recent study indicated a shift or transition from warm-dry events (WDEs), common in non-i…
The Timescale of Plume-Driven Recratonization: A Complete Record from the Tarim Basin, Northwest China
How fast a plume can stitch two cratonic nuclei into a stable one remains under-investigated. The Tarim continental block in central Asia is recratonized by a Permian-aged plume a…
Analytical and numerical adjoint solutions for cumulative streamflow depletion
Streamflow depletion is traditionally defined as the instantaneous change in the volumetric rate of aquifer–stream exchange after a finite period of continuous groundwater extract…
Hydrologically informed estimation of plant species richness across a vernal pool complex using drone-mounted LiDAR
Understanding the spatial patterns of plant diversity across vernal pool complexes remains challenging, as plant communities change rapidly in time and concurrent collection of re…
Decreased Northern Hemisphere Precipitation from Consecutive CO2 Doublings Is Associated with Significant AMOC Weakening
Previous studies found many climate properties such as northern hemisphere (NH) surface temperature and precipitation respond non-monotonically when CO2 is increased from 1x to 8x…
A Multi-stage inversion framework for dynamic fracture characterization and long-term thermal performance prediction in…
Fractures play important roles in fluid and heat flow during heat extraction from an enhanced geothermal system (EGS). Quantifying the associated uncertainties in fractures is cri…
AGU 2023 R Skinner E Chiedu_poster
The threat to human health posed by Volatile Organic Compounds- carcinogenic substances for which the EPA has set no safe threshold exposure levels- is profound [1] . Despite inte…
Physically-Informed Video Inpainting: A Deep Learning Approach for Historical Weather Reconstruction
We investigate the applicability of deep learning methods for reconstructing daily weather data. Inspired by video inpainting, we propose a novel method, WeRec3D, which utilizes a…
Bankfull and Mean-flow Channel Geometry Estimation through a Hybrid Multi-Regression and Machine Learning Algorithms ac…
Widely adopted models for estimating channel geometry attributes rely on simplistic power-law (hydraulic geometry) equations. This study presents a new generation of channel geome…
Boreal Forest Fire Causes Daytime Surface Warming During Summer to Exceed Surface Cooling During Winter in North America
Boreal wildfires impact surface climates with consequences for plant physiology, permafrost thaw, and carbon fluxes. Post-fire temperatures vary over decades due to successional c…
Numerical Simulation of Flow Resistance due to the Limnoperna fortunei Attachment
High-density attachment of Limnoperna fortunei (LF) would lead to the increase of flow resistance, which has posed big challenges to the normal operation of water conveyance proje…
Dust-driven cloud phase changes may impact summertime cooling over Arctic sea ice
Cloud phase has important impacts on Arctic surface temperatures, and there is substantial circumstantial evidence that dust aerosols have strong impacts on cloud phase over the A…
Influence of topography and winds on the distribution of water masses on the Antarctic Continental Shelf
Central to improving our understanding of ocean temperature change on Antarctica’s continental shelf is a better understanding of how the ocean circulation drives the onshore fl…
Using Commercial Satellite Imagery to Reconstruct 3 m and Daily Spring Snow Water Equivalent
Snow water equivalent (SWE) distribution at fine spatial scales (≤ 10 m) is difficult to estimate due to modeling and observational constraints. However, the distribution of SWE t…
Observed regional impacts of marine heatwaves on air-sea CO2 exchange
Marine heatwaves (MHWs) have devastating effects on ecosystems and impact regional air-sea CO2 exchange. Yet a global assessment of these regional impacts of MHWs on the air-sea C…
Waveguide or not? Revised ground motion simulations for greater Los Angeles from the M7.8 ShakeOut earthquake scenario
The ShakeOut scenario of a M7.8 northwestward rupture on the southern San Andreas fault (SSAF) (Jones et al., 2008) predicted significant long-period ground motion amplification i…
Flawed Emergency Intervention: Slow Ocean Response to Abrupt Stratospheric Aerosol Injection
Given the possibility of irreversible, anthropogenic changes in the climate system, technologies such as solar radiation management (SRM) are sometimes framed as possible emergenc…
Ventilation of the Arabian Sea Oxygen Minimum Zone by Persian Gulf Water
Dense overflows from marginal seas are critical pathways of oxygen supply to the Arabian Sea Oxygen Minimum Zone (OMZ), yet these remain inadequately understood. Climate models st…
Monsoon-driven switch of heavy to light copper isotopes in suspended particulate matter in the Changjiang (Yangtze Rive…
The East Asian monsoon system is generated by land-ocean thermal contrast between Asia and NW Pacific, altering the hydroclimate variability in the region. Suspended particulate m…
Using Kgen to Generate Cross-Verified Apparent Equilibrium Constants (K∗) for Seawater Carbonate Chemistry
The state of acid-base equilibria in solutions is calculated using apparent equilibrium constants (K∗ ’s). The accuracy of these K∗ ’s is critical for calculations of environmenta…
Stochastic in Space and Time: Part 1, Characterizing Orographic Gradients in Mean Runoff and Daily Runoff Variability
Mountain topography alters the phase, amount, and spatial distribution of precipitation. Past efforts focused on how orographic precipitation can alter spatial patterns in mean ru…
Jupiter revealed as a real (high-power) pulsar: magnetar- & dwarf novae-type prebursting evolution of Jovian global…
This article has been moved to CERN platform >>
A Bayesian model for quantifying errors in citizen science data: application to rainfall observations from Nepal
High quality citizen science data can be instrumental in advancing science toward new discoveries and a deeper understanding of under-observed phenomena. However, the error struct…
Scaling Microseismic Cloud Shape during Hydraulic Stimulation using Permeability and In-situ Stress
Forecasting microseismic cloud shape as a proxy of stimulated rock volume is essential for the design of an energy extraction system. The microseismic cloud created during hydraul…
Understanding the Rupture Kinematics and Slip Model of the 2021 Mw 7.4 Maduo Earthquake: a Bilateral Event on Bifurcati…
We image the rupture process of the 2021 Mw 7.4 Maduo, Tibet earthquake using slowness-enhanced back-projection and joint finite fault inversion, which combines teleseismic broadb…
Observed Changes in Interannual Precipitation Variability in the United States
Characterizing changes in precipitation patterns over time is critical for hydrologically-dependent fields like water resource management and agriculture. Here, we explore observe…
Continental and glacial runoff fingerprints in the Canadian Arctic Archipelago, the Inuit Nunangat ocean
Rising temperatures and an acceleration of the hydrological cycle due to climate change are increasing river discharge, causing permafrost thaw, glacial melt, and a shift to a gro…
Dual carbonate clumped isotopes (Δ47-Δ48) constrains kinetic effects and timescales in peridotite-associated springs a…
The Cedars is an area in Northern California with a chain of highly alkaline springs resulting from CO-charged meteorological water interacting with a peridotite body. Serpentiniz…
The estimation of b-value of the frequency-magnitude distribution and of its confidence intervals from binned magnitude…
The estimation of the slope ( b -value) of the frequency magnitude distribution of earthquakes is usually based on a formula derived decades ago under the hypothesis of continuous…
Effects of hypoxia on coupled carbon and iron cycling differ between weekly and multiannual timescales in two freshwate…
Freshwater lakes and reservoirs play a disproportionate role in the global organic carbon (OC) budget, as active sites for carbon processing and burial. Associations between OC an…
Is there a semi-molten layer at the base of the lunar mantle?
Parameterised by the Love number k2 and the tidal quality factor Q, and inferred from lunar laser ranging (LLR), tidal dissipation in the Moon follows an unexpected frequency depe…
A Novel Population of Slow Magnetosonic Waves and a Method for the Observation of the Roots of Plasma Bubbles in the Lo…
Using data from the Van Allen Probe and Swarm-Bravo satellites, evidence for a persistent population of slow magnetosonic waves in the ionosphere is presented. Dispersion relation…
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