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Showing 1201 to 1250 of 59105 works
Investigating Salinity Effect on Temperate Coastal Wetland Soil Microbes and Greenhouse Gas Emissions.
Coastal wetlands capture carbon dioxide from the atmosphere at high rates and store large amounts of “blue carbon” in soils. These habitats are home to a variety of microbial comm…
Persistence of Low Tropospheric Ozone over the Indo-Pacific Warm Pool
Lightning is the most important source of nitric oxide (NO) in the tropical upper troposphere and controls the formation of tropospheric ozone (O 3 ). It is associated with deep c…
Mechanistic Links Between Climatic Forcing and Model-based Plankton Dynamics in the Strait of Georgia, Canada
Large scale climate indices such as the North Pacific Gyre Oscillation (NPGO) have been linked to variability in both phytoplankton and zooplankton, yet the mechanisms by which th…
Vertically propagating seiches and standing modes preclusion in a steep-bottom tropical reservoir
This work investigates observations of gradual upward phase shifting of temperature oscillations in a steep tropical reservoir, which differ from the π radians sharp shifts that a…
Regional Uncertainty Analysis in the Air-Sea CO$_2$ Flux
Accurate quantification of the ocean carbon sink and its associated uncertainty is critical for guiding international policy efforts and the accurate monitoring, reporting, and ve…
Modelling and Analysing GNSS Displacements with Machine Learning and Environmental Variables
Global Navigation Satellite Systems (GNSS) can sense deformations of the Earth’s crust. All components, but in particular the vertical component are affected by mass loading, i.e.…
Impact of the turbulence parameterization on simulations of fog over complex terrain
Numerical weather prediction (NWP) of radiation fog, particularly over complex terrain, remains a formidable challenge. Many operational NWP models often struggle with slow or no …
Interactions between internal tides and turbidity currents: an under-recognized process in deep-marine stratigraphy?
Deep-sea currents transfer sediment, nutrients, and pollutants, which drive climatic, ecological and geomorphological variation in the global ocean. The complex interaction of dow…
Misaligned Wind-Waves Behind Atmospheric Cold Fronts
Atmospheric fronts embedded in extratropical cyclones are high-impact weather phenomena, contributing significantly to midlatitude winter precipitation. The three vital characteri…
Seismic wave detectability on Venus using ground deformation sensors, infrasound sensors on balloons and airglow imagers
The relatively unconstrained internal structure of Venus is a missing piece in our understanding of the Solar System formation and evolution. To determine the seismic structure of…
Density Troughs in the Ionosphere Sustained by Transport Barriers
This study explores the relaxation and sustainability of density irregularities and plasma flows in the Earth’s ionosphere. To do this, we use a modified model of drift-wave turbu…
Nitrogen Fixation at Paleo-Mars in Icy Climates
Recent findings by the Mars Science Laboratory (MSL) have confirmed the presence of nitrates near Gale Crater on Mars. In this work, we consider the formation and deposition of HN…
Occurrence of rare lightning events during Hurricane Nicholas (2021)
Hurricane Nicholas was classified as a Category 1 tropical cyclone (TC) at 0000 UTC on 14 September 2021 and made landfall along the upper Texas Gulf Coast at 0530 UTC with maximu…
What is the neutral wind in height-integrated ionospheric electrodynamics?
In most large-scale MHD models of Earth’s space environment, coupling between the magnetosphere and the ionosphere-thermosphere (IT) is addressed by representing the latter as a t…
Forecasting of Auroral Pc5 Pulsations from Solar Wind Parameters Using Machine Learning Approach.
The coupling between the magnetosphere and solar wind contributes to the energy, momentum, and mass transfer between the systems. However, geomagnetic pulsations facilitate the co…
Simulating aerosol-radiation effects on subseasonal prediction using the coupled Unified Forecast System and CCPP-Chem:…
This study investigates the effects of aerosol-radiation interaction on subseasonal prediction using the Unified Forecast System (UFS) with an ocean, a sea ice and a wave componen…
Integrating interdisciplinary data: The EMERGE Database and its broader lessons for data management best practices
In environmental research, cross-disciplinary analyses enable the discovery of novel insights that may not otherwise be evident. Doing these analyses efficiently requires integrat…
Why does the magnetotail reconnection have significantly varying strength of fluctuation?
Magnetic reconnection in the Earth’s magnetosphere is usually manifested as a turbulent state in which the large amplitude fluctuations disrupt the main reconnection layer, while …
Machine Learning and Big Data Mining Reveal Earth’s Deep Time Crustal Thickness and Tectonic Evolution: A New Chemical …
Quantitative analysis of crustal thickness evolution across past geological periods poses significant challenges but provides invaluable insights into the planet’s geological hist…
The spatial distribution and temporal drivers of changing global fire regimes: a coupled socio-ecological modelling app…
In the Anthropocene, humans are the largest drivers of change in vegetation fire regimes. Humans influence fire regimes both directly, by starting, managing and extinguishing fire…
A new framework for the attribution of air-sea CO2 exchange
The air-sea transfer of carbon dioxide can be viewed as a dynamical system through which atmospheric and oceanic processes push surface waters away from thermodynamic equilibrium,…
Using Grouped Features to Improve Explainable AI Results for Atmospheric AI Models that use Gridded Spatial Data and Co…
Atmospheric AI modeling is increasingly reliant on complex machine learning (ML) techniques and high-dimensional gridded inputs to develop models that achieve high predictive skil…
Pre-Print: Compound Inundation Modeling of a 1-D Idealized Coastal Watershed Using a Reduce-Physics Approach
Low-gradient coastal watersheds are susceptible to flooding caused by various flows such as rainfall-runoff, astronomical tides, storm surges, and riverine flows. Compound floodin…
Investigating the Lid Effect in the Generation of Ocean Island Basalts
Ocean Island Basalts (OIBs) are generated by mantle plumes, with their geochemistry controlled by a combination of source composition, temperature, and thickness of overlying lith…
Topographic Roughness as an Emergent Property of Geomorphic Processes and Events
Topographic roughness is a popular yet ambiguous metric used in surface process research for many applications that indicates something about the variation of topography over spec…
The System for Classification of Low-Pressure Systems (SyCLoPS): An All-in-One Objective Framework for Large-scale Data…
We propose the first unified objective framework (SyCLoPS) for detecting and classifying all types of low-pressure systems (LPSs) in a given dataset. We use the state-of-the-art a…
Freshening over the whole water column as a result of the 2012 subpolar freshwater anomaly increased the transport of l…
The North Atlantic subpolar gyre experienced strong freshening in recent years starting around 2012. Here, we investigate the imprint of this freshwater anomaly on the water colum…
RocMLMs: Predicting Rock Properties through Machine Learning Models
Mineral phase transformations significantly alter the bulk density and elastic properties of mantle rocks and consequently have profound effects on mantle dynamics and seismic wav…
Diurnal temperature range expands with warming for temperatures above the melting point
The globally averaged diurnal temperature range (DTR) has shrunk since the mid-20th century, and climate models project further shrinking. Observations indicate a slowdown or reve…
Extending GLUE with Multilevel Methods to Accelerate Statistical Inversion of Hydrological Models
Inverse problems are ubiquitous in hydrological modelling for parameter estimation, system understanding, sustainable water resources management, and the operation of digital twin…
In Memoriam of Editor Jennifer L. Gannon
Dr. Jennifer Gannon passed away suddenly on 2024 May 2 in Greenbelt, MD. Dr. Gannon had served as an editor for the Space Weather journal since April 2019, and she was the longest…
MJO Initiation Westward Shifted and Propagation Blocked under Indian Ocean Basin Warming during Boreal Summer
The Madden-Julian Oscillation (MJO) exhibits evident interannual variations, which have been mostly attributed to modulations of El Niño-Southern Oscillation (ENSO) in previous st…
The Land-Ocean Contrast in Deep Convective Intensity in a Global Storm-Resolving Model
Observations reveal a clear difference in the intensity of deep convection over tropical land and ocean. This observed land-ocean contrast provides a natural benchmark for evaluat…
Benchmark Framework for Global River Model (Version 1.0)
Global River Models (GRMs), which simulate river flow and flood processes, have rapidly developed in recent decades. However, these advancements necessitate meaningful and standar…
Air quality forecasts with observation-based scaling of anthropogenic emissions for urban agglomerations
Forecasting urban air quality is important for protecting public health, but current model forecasts are often limited by an inaccurate prescription of pollutant emissions from hu…
Probing the Martian atmospheric boundary layer using impact-generated seismo-acoustic signals
The properties of the first kilometers of the Martian atmospheric Planetary Boundary Layer have until now been measured by only a few instruments and probes. InSight offers an opp…
Nitrogen biogeochemistry of adjacent mesoscale eddies in the North Pacific Subtropical Gyre
We examined the nitrogen (N) biogeochemistry of adjacent cyclonic and anticyclonic eddies near Hawai’i in the North Pacific Subtropical Gyre (NPSG) and explored mechanisms that ma…
Numerical and observational study of Sn-to-Lg conversion due to crustal-thickening: implications for identification of …
We study Sn-to-Lg conversion at regional distances due to significant crustal thickening, particularly in the context of using Sn and Lg amplitude ratios (Sn/Lg) to identify conti…
Ross Ice Shelf Displacement and Elastic Plate Waves Induced by Whillans Ice Stream Slip Events
Ice shelves are assumed to flow steadily from their grounding lines to the ice front. We report the detection of ice-propagating extensional Lamb (plate) waves accompanied by puls…
The Significance of the Long-Wavelength Correction for Studies of Baroclinic Tides with SWOT
The long-wavelength correction (LWC) of SWOT data is intended to reduce errors related to the stability of the SWOT antenna and its attitude in orbit, especially those errors rela…
Past Increases in Heat Wave Exposure due to Population and Climate Changes
Understanding how exposure to extreme heat changes over time is vital to helping humanity minimize heat deaths. Here, we divide past changes in heat exposure into components from …
A novel gravity wave transport parametrization for global chemistry climate models: description and validation
The gravity wave drag parametrization of the Whole Atmosphere Community Climate Model (WACCM) has been modified to include the wave-driven atmospheric vertical mixing caused by pr…
From Shelfbreak to Shoreline: Coastal Sea Level and Local Ocean Dynamics in the Northwest Atlantic
Sea-level change threatens the U.S. East Coast. Thus, it is important to understand the underlying causes, including ocean dynamics. Most past studies emphasized links between coa…
Kilometre-Scale Assessment of the Adriatic Dense Water Multi-Decadal Dynamics
The North Adriatic Dense Water (NAddW) – the densest Mediterranean water generated by extreme cooling during wintertime hurricane-strength winds – drives the thermohaline circulat…
Lagrangian versus Eulerian spectral estimates of surface kinetic energy over the global ocean
In this study, we carried out a novel massive Lagrangian simulation experiment derived from a global 1/48° tide-resolving numerical simulation of the ocean circulation. This first…
Air Phase Entrapment Role in Hydrophobic Particle-Water-Air Mixtures Internal Structure and Density
Post-wildfire mudflows, in which more than half of the solids are sand or smaller, destroy the watershed environment, life, and infrastructures. The surficial soil particles turn …
Carbon and greenhouse gas budgets of Europe: trends, interannual and spatial variability, and their drivers
In the framework of the RECCAP2 initiative, we present the greenhouse gas (GHG) and carbon (C) budget of Europe. For the decade of the 2010s, we present a bottom-up (BU) estimate …
Global marine ecosystem response to a strong AMOC weakening under low and high future emission scenarios
Marine ecosystems provide essential services to the Earth System and society. These ecosystems are threatened by anthropogenic activities and climate change. Climate change increa…
Quantifying and Classifying Streamflow Ensembles Using a Broad Range of Metrics for an Evidence-Based Analysis: Colorad…
Stochastic hydrology produces ensembles of time series that represent plausible future streamflow to simulate and test the operation of water resource systems. A premise of stocha…
The Changing Biological Carbon Pump of the South Atlantic Ocean
Global marine anthropogenic CO2 inventories have traditionally emphasized the North Atlantic’s role in the carbon cycle, while Southern hemisphere processes are less understood. T…
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