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Showing 19651 to 19700 of 22070 works

The Dissipation Regime of Turbulence on Mars With Microphone Data From the Mars 2020 Perseverance Rover

Turbulent winds are a regular occurrence in planetary boundary layers. Turbulence affects mixing, energy fluxes and forcing on the surface environment. Energy injected into an atm…

Short-Period Migrating Thermal Tides in the Martian Atmosphere Observed by EMM/EMIRS

Thermal tides are global-scale atmospheric waves with periods that are subharmonics of a solar day. Among them, short-period tides (e.g., 6-hour and 4-hour) correspond to higher-o…

Weakening of the low-frequency sea surface temperature variability in the subtropical South Indian Ocean

Sea surface temperature (SST) variability in the Indian Ocean in the low-frequency (interannual-decadal) timescale is most pronounced in the subtropical South Indian Ocean (STIO; …

What is Endangered now? Climate Science at the Crossroads

The greenhouse gas “endangerment finding” of the U.S. Environmental Protection Agency (EPA), established in 2009 after a 2006 U.S. Supreme Court case (Massachusetts vs EPA) in whi…

Response of marine post-frontal clouds to Gulf Stream variability

Understanding how Gulf Stream variation influences cloud morphology is critical for evaluating cloud feedback in the western North Atlantic Ocean and beyond, where mesoscale air-s…

Atlantic 'cold blob' is caused by ocean heat transport change, not surface fluxes

The northern Atlantic south of Greenland and Iceland is the only part of the world which has cooled significantly since the 19th Century both in the atmosphere and ocean. The ocea…

Impacts of climate change on temperature and dissolved oxygen in an oligotrophic deep lake, Lake Taupō

Climate change has significant effects on freshwater ecosystems, including lakes, influencing key water quality indicators such as water temperature and dissolved oxygen concentra…

O3 pollution in global megacities under 2060s climate and emission scenarios: a radical chemistry and reaction kinetics…

Tropospheric ozone (O₃) is a harmful air pollutant and climate forcer. Studies have explored increases in O3 concentrations using climate models and evaluated the health impacts. …

Pore closure in planetary crusts: A revised model

The porous structure of planetary bodies plays a crucial role in their thermal evolution and their capacity for fluid storage. Impact processes create porosity in the crust, but a…

Lab and Field Saturated and Unsaturated Hydraulic Conductivities under Soil Sodicity Amendments

Soil salinity and sodicity significantly impact the soil hydraulic properties, affecting agricultural productivity. This study aims to evaluate the effects of four soil amendments…

Genetic Diversity among Yam (Dioscorea cayenensis Lam. complex) Landraces using Morphological Traits

Yams (Dioscorea spp.L.) are the fourth most economically important tuber crop next to Irish potatoes, cassava, and sweet potatoes. The study was conducted to estimate the magnitud…

Great Slave Lake as a modulator of dissolved organic carbon fluxes from the Mackenzie River watershed to the Arctic Oce…

Understanding dissolved organic carbon (DOC) fluxes in boreal freshwater systems is critical for constraining global carbon budgets and anticipating climate impacts. This study pr…

Impact of Brine Mobility, Permeability Heterogeneity, and Permeability Anisotropy on CO2 Sequestration in Deep Saline A…

Carbon capture and geologic storage of carbon dioxide (CO 2 ) is a possible strategy to combat rising CO 2 concentrations and thereby mitigate climate change. Deep saline aquif…

Modeling New Particle Formation in the Remote Marine Atmosphere Using a Nitric Acid-based Nucleation Scheme in WRF-Chem

New particle formation (NPF) is a key source of cloud condensation nuclei over most oceans. Although sulfuric acid (H2SO4), primarily derived from the oxidation of dimethyl sulfid…

A Machine Learning Framework for Predicting Microphysical Properties of Ice Crystals from Cloud Particle Imagery

The microphysical properties of ice crystals are important because they significantly alter the radiative properties and spatiotemporal distributions of clouds, which in turn stro…

Real Heights of SuperDARN F Region Echoes Inferred from Electron Density Measurements by the Rankin Inlet and RISR-C Ra…

This study is one of the first attempts to estimate statistically the real, physical height of SuperDARN F region echoes in the polar cap. To achieve this, measurements of the ele…

Explaining South Asian Monsoon Rainfall Seasonality Using a Metric of Plume Buoyancy

Localized tropical rainfall changes commonly occur on 500-1,000 km scales under various climate forcings, but understanding their causality remains challenging. One helpful proces…

Improving realism of high-resolution hydrological modeling with anthropogenic water use: a study on the Rhine basin

Increased anthropogenic water abstractions have profound impacts on regional water balances, yet they remain underrepresented in many regional hydrological modeling frameworks. Th…

Direct Evidence of Nutrient Upwelling and Phytoplankton Enhancement at a Continental Shelf Break

A long-standing hypothesis postulates that the elevated productivity at continental shelf break regions is stimulated by enhanced nutrient supply to the surface sunlit depths, how…

A Proof of Concept for Improving Estimates of Ungauged Basin Streamflow Via an LSTM-Based Synthetic Network Simulation …

This study introduces a machine learning approach to address the critical challenge of limited real-time flow data in river basins, particularly for calibrating large-scale hydrol…

Spatiotemporal Assessment of the TEMPO Formaldehyde Column Retrieval using the Pandonia Global Network

Launched in April 2023, the Tropospheric Emissions: Monitoring of Pollution (TEMPO), instrument provides for the first time hourly measurements of atmospheric pollutants over most…

Modelling the Formation of Electric and Magnetic Fields in Dust Devils

Dust devils are a weather phenomenon in which lofted particles become charged through triboelectrification, generating electromagnetic fields. These pose hazards for electronic eq…

Accurate numerical prediction of thunderstorms - will its time come?

The uncertainty of the analysis and the error growth of the forecast from two of the best prediction systems based on radar data assimilation are studied to determine how close we…

Ocean Outgassing of Methyl Chloroform as an Underestimated Source of Emission

Methyl chloroform (MCF) is a synthetic ozone-depleting substance used as an industrial solvent. Its primary sink is reaction with the hydroxyl radical (OH), making it a key tracer…

Effects of Rain and Wind on Sea Surface Wave Slopes in Hurricanes

Sea surface mean square slope and rain rate measurements from the NOAA Wide Swath Radar Altimeter (WSRA) were used to investigate the impact of both wind speed and rain on the oce…

Smart Farming Technology Adoption Model -- A Systematic Literature Review

In the era of Industrial Revolution 4.0, technologies have made a breakthrough into numerous fields, signifying a transformative integration of technologies to enhance productivit…

New Insolation Forcing for Paleoclimate Studies

Insolation forcing at the top of the atmosphere is widely-used in paleoceanographic and paleoclimatological studies. In paleoclimate simulations, it must reflect Earth’s orbital h…

The Rate of U.S. Coastal Sea-Level Rise Doubled in the Past Century

A recent report released by the Department of Energy concludes that U.S. tide-gauge data in aggregate provide no evidence for relative sea-level (RSL) acceleration above the histo…

A Public Mid-Density Genotyping Platform For Cultivated Cranberry (Vaccinium macrocarpon Aiton)

Cranberry (Vaccinium macrocarpon Aiton) is a native fruit crop of North America, gaining global popularity in production due to its distinct flavor and potential health benefits. …

Paleomagnetism of the British Paleogene Igneous Province: paleosecular variation and paleointensity inversion from the …

The British Paleogene Igneous Province (61 to 55 Ma) records the paleomagnetic field at a key period in Earth's history following the end of Cretaceous Normal Superchron, when the…

Towards a more physical representation of convective gravity waves in GFDL's GCM

We implemented in GFDL’s global atmospheric model a parameterization for convective gravity waves, which explicitly describes the wave source based on the latent heating rates fro…

Representation of stratocumulus and shallow cumulus clouds near the southeast Pacific Ocean ITCZ in ERA5 and MERRA-2 Re…

Model precipitation biases in the southeast Pacific Ocean intertropical convergence zone (ITCZ) are often tied to the underestimation of stratocumulus (Sc) and shallow cumulus (Cu…

Experimental Verification of a Two-Dimensional Inverse Method for Turbidity Currents Using a Deep Neural Network

Turbidites have been widely studied as indicators of the occurrences and magnitudes of paleo-tsunamis and paleo-earthquakes. Inversion to estimate the flow conditions from turbidi…

Integrated social-ecological-Earth system modeling---history review and a conceptual

Humanity have become a dominant force in shaping the state of the Earth system and pushed it into the Anthropocene. Global environmental issues intertwined with traditional social…

Mercury in Continental Hydrothermal Systems

Mercury (Hg) concentrations in continental hydrothermal systems vary over six orders of magnitude across multiple tectonic settings. Sources include mantle fluids, remobilized con…

Imaging the shallow structure beneath Askja volcano, Iceland, with ambient noise tomography

Askja is a large central volcano in the Northern Volcanic Zone (NVZ) of Iceland which last erupted effusively in 1961 and subsequently experienced steady deflation from the 1970s …

South Pacific Convergence Zone in Mid-Holocene, Last Glacial Maximum and Last Glacial Cycle Climate Model Simulations

The South Pacific Convergence Zone (SPCZ) is a dominant feature of South Pacific climate variability. Sensitivity of the SPCZ to changes in mean climate is investigated for a set …

Reassessing the role of the Antarctic Slope Current in poleward ocean heat transport

The Antarctic Slope Current (ASC) is often considered a barrier to the poleward transport of Circumpolar Deep Water (CDW), yet its vast extent has hindered circumpolar analysis of…

Climate-Driven Shifts in Stream Thermal Regimes of the Laurentian Great Lakes Basin: The Role of Rain-on-Snow Events

Stream temperature influences aquatic ecosystem health, species distribution, and water quality. In snow-dominated watersheds, rain-on-snow (ROS) events regulate stream temperatur…

Dust Storm Influence on Gravity Wave Activity in the Nightside Thermosphere of Mars

Gravity waves in the thermosphere of Mars are complex and variable phenomena capable of causing significant changes to processes in the upper atmosphere of Mars, which can affect …

Integral Modelling for Water Security Beyond the Water Cycle

Water pollution is a critical constraint to water security, impacting natural environment and reducing the resilience of infrastructure. Conventional approaches, often focused on …

Fluid Stretching at Facies Interfaces Governs Solute Transport

This study provides a kinematic explanation for why facies interfaces dominate solute transport in heterogeneous aquifers. Using flow and transport simulations, we apply kinematic…

Estimation of scour around bridge piers using artificial neural networks trained using deep learning algorithm

The failure of a bridge can bring the communication between two regions to a standstill, severely affecting the economic activity, and loss of life and property in extreme cases. …

Back-propagating Earthquakes on a Simple Fault

Back-propagating earthquakes, characterized by a secondary front reversing into previously ruptured regions, have been recently documented due to advances in seismological techniq…

ENSO modulates the oceanic excitation of polar motion

The El Niño–Southern Oscillation (ENSO) exerts a strong control on interannual length-of-day variations, but its imprint on polar motion excitation remains to be identified. We ex…

The Lethal Connection: Investigating the Relationship of Drought Conditions on Firearm and Nonfirearm Suicides among U.…

Drought is one of the most widespread and disruptive natural hazards globally, with environmental and societal effects that may increase psychological distress. Yet, its associati…

Multidecadal reconstruction of terrestrial water storage changes by combining pre-GRACE satellite observations and clim…

The Gravity Recovery And Climate Experiment (GRACE) and its follow-on mission, GRACE-FO, have observed global mass changes and transports, expressed as terrestrial water storage a…

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