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Understanding the varied influence of midlatitude jet position on clouds and...
This study examines the dynamical mechanisms responsible for changes in midlatitude clouds and cloud radiative effects (CRE) that occur in conjunction with meridional shifts in...- publication PDF
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Toward better and healthier air quality: Implementation of WHO 2021 Global...
Air pollution is estimated to contribute to approximately 7 million premature deaths, of which around 4.5 million deaths are linked to ambient (outdoor) air pollution. The...- publication PDF
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Physically-based landfalling tropical cyclone scenarios in support of risk assessment
Populations and property values are increasing in tropical cyclone prone regions, driving up repair and replacement costs following a tropical cyclone impact. Climate change...- publication PDF
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Dust emission response to climate in Southern Africa
The processes which act in mineral dust source regions and factors which contribute to interannual variability within dust plumes emanating from them are poorly understood. In...- publication PDF
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Influence of projected Arctic sea ice loss on polar stratospheric ozone and...
The impact of projected Arctic sea ice loss on the stratosphere is investigated using the Whole Atmosphere Community Climate Model (WACCM), a state-of-the-art coupled chemistry...- publication PDF
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Airborne quantification of upper tropospheric NOx production from lightning...
The reported range for global production of nitrogen oxides (NOx = NO + NO₂) by lightning remains large (e.g., 32 to 664 mol NOx flash⁻¹), despite incorporating results from...- publication PDF
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Validating precision estimates in horizontal wind measurements from a Doppler lidar
Results from a recent field campaign are used to assess the accuracy of wind speed and direction precision estimates produced by a Doppler lidar wind retrieval algorithm. The...- publication PDF
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Evaluation of polar winter mesopause wind in WACCMX+DART
This work evaluates zonal winds in both hemispheres near the polar winter mesopause in the Whole Atmosphere Community Climate Model (WACCM) with thermosphere-ionosphere...- publication PDF
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Circumglobal response to prescribed soil moisture over North America
A series of idealized prescribed soil moisture experiments is performed with the atmosphere/land stand-alone configuration of the Community Earth System Model, version 1, in an...- publication PDF
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A Lagrangian model diagnosis of stratospheric contributions to tropical...
Airborne in situ observations during the Convective Transport of Active Species in the Tropics campaign in January-February 2014 revealed a large region over the tropical...- publication PDF
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A perturbation approach to understanding the effects of turbulence on frontogenesis
Ocean fronts are an important submesoscale feature, yet frontogenesis theory often neglects turbulence - even parameterized turbulence - leaving theory lacking in comparison...- publication PDF
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Overestimated eddy kinetic energy in the eddy-rich regions simulated by...
The performance of eddy-resolving global ocean-sea ice models in simulating mesoscale eddies is evaluated using six eddy-resolving experiments forced by different atmospheric...- publication PDF
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Variations of the nighttime thermospheric mass density at low and middle latitudes
The latitudinal structure of the nighttime thermospheric mass density at 385 km has been investigated using observations made by the accelerometer onboard the CHAMP satellite...- publication PDF
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Robust winter warming over Eurasia under stratospheric sulfate...
It has been suggested that increased stratospheric sulfate aerosol loadings following large, low latitude volcanic eruptions can lead to wintertime warming over Eurasia through...- publication PDF
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Emission and evolution of submicron organic aerosol in smoke from wildfires...
Despite increasing incidence of wildfires in the United States, wildfire smoke is poorly characterized, with little known about particle composition and emission rates....- publication PDF
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Response of orographic precipitation to subsaturated low-level layers
In orographic precipitation events, there are times when subsaturated low-level layers are observed to be below saturated, nearly moist-neutral, upper-level layers. By...- publication PDF
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Plasma flow versus magnetic feature-tracking speeds in the Sun
We simulate the magnetic feature tracking (MFT) speed using advective-diffusive transport models in both one and two dimensions. By depositing magnetic bipolar regions at...- publication PDF
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Hydroxyl radical and NOx production rates, black carbon concentrations and...
Photolytic production rates of NO, NO₂ and OH radicals in snow and the total absorption spectrum due to impurities in snowpack have been calculated for the Ocean-Atmosphere-Sea-...- publication PDF
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Physics–dynamics coupling in weather, climate, and Earth system models:...
Numerical weather, climate, or Earth system models involve the coupling of components. At a broad level, these components can be classified as the resolved fluid dynamics,...- publication PDF
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Global-scale observations of the equatorial ionization anomaly
The National Aeronautics and Space Administration Global-scale Observations of the Limb and Disk ultraviolet spectrograph has been imaging the equatorial ionization anomaly...- publication PDF