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Resolving the high-latitude ionospheric irregularity spectra using...
To provide new insights into the relationship between geomagnetic conditions and plasma irregularity scale-sizes, high-latitude irregularity spectra are computed using a novel...- publication PDF
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Global distributions of overlapping gravity waves in HIRDLS data
Data from the High Resolution Dynamics Limb Sounder (HIRDLS) instrument on NASA's Aura satellite are used to investigate the relative numerical variability of observed gravity...- publication PDF
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The North American Cordillera--An impediment to growing the continent-wide...
This study examines the evolution of a continental-scale ice sheet on a triangular representation of North America, with and without the influence of the Cordilleran region....- publication PDF
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The responses of ionospheric topside diffusive fluxes to two geomagnetic...
O⁺ field-aligned ambipolar diffusive velocities Vd and fluxes Фd in the topside ionosphere have been calculated from the observed profiles of electron density, ion, and electron...- publication PDF
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The Visible Spectro-Polarimeter (ViSP) for the Advanced Technology Solar Telescope
The Visible Spectro-Polarimeter (ViSP) is one of the first light instruments for the Advanced Technology Solar Telescope (ATST). It is an echelle spectrograph designed to...- publication PDF
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The Brazilian Global Atmospheric Model (BAM): Performance for tropical...
This article describes the main features of the Brazilian Global Atmospheric Model (BAM), analyses of its performance for tropical rainfall forecasting, and its sensitivity to...- publication PDF
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The influence of shear on deep convection initiation. Part I: Theory
This article introduces a novel hypothesis for the role of vertical wind shear ("shear") in deep convection initiation (DCI). In this hypothesis, initial moist updrafts that...- publication PDF
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Climate variability, volcanic forcing, and last millennium hydroclimate extremes
Multidecadal hydroclimate variability has been expressed as "megadroughts" (dry periods more severe and prolonged than observed over the twentieth century) and corresponding...- publication PDF
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Magnetic reconnection at the dayside magnetopause in global...
We present a survey of magnetic reconnection at the dayside magnetopause using the Lyon-Fedder-Mobarry global magnetospheric simulation code. We explore simulations of the...- publication PDF
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Modeling solar eclipses at extreme ultra violet wavelengths and the effects...
The impacts of solar eclipses on the ionosphere-thermosphere system particularly the composition, density, and transport are studied using numerical simulation and subsequent...- publication PDF
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Quantifying global terrestrial methanol emissions using observations from...
We employ new global space-based measurements of atmospheric methanol from the Tropospheric Emission Spectrometer (TES) with the adjoint of the GEOS-Chem chemical transport...- publication PDF
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A Study of the characteristics and assimilation of retrieved MODIS total...
This study determined the accuracy and biases associated with retrieved Moderate Resolution Imaging Spectroradiometer (MODIS) total precipitable water (TPW) data, and it...- publication PDF
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Electric fields, cloud microphysics, and reflectivity in anvils of Florida...
A coordinated aircraft - radar project that investigated the electric fields, cloud microphysics, and radar reflectivity of thunderstorm anvils near Kennedy Space Center is...- publication PDF
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Northern hemisphere stratosphere‐troposphere circulation change in CMIP6...
Projected changes in the Northern Hemisphere stratospheric polar vortex are analyzed using Climate Model Intercomparison Project Phase 6 experiments. Previous studies showed...- publication PDF
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Evidence for an oceanic source of methyl ethyl ketone to the atmosphere
Methyl ethyl ketone (MEK) is a relatively abundant but understudied oxygenated volatile organic compound that can serve as a source of both HOx and PAN when photooxidized. We...- publication PDF
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Spatial patterns of probabilistic temperature change projections from a...
We present probabilistic projections for spatial patterns of future temperature change using a multivariate Bayesian analysis. The methodology is applied to the output from 21...- publication PDF
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An aircraft-based upper troposphere lower stratosphere O₃, CO, and H₂O...
We present a climatology of O₃, CO, and H₂O for the upper troposphere and lower stratosphere (UTLS), based on a large collection of high-resolution research aircraft data taken...- publication PDF
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The role of wave energy accumulation in tropical cyclone genesis over the...
A hierarchical modeling approach is used to study the process by which interactions of easterly waves with the background flow can result in a reduction in the longitudinal and...- publication PDF
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Air quality remote sensing from space
Recent advances in tropospheric remote sensing have opened the way for measuring, monitoring, and understanding processes that lead to atmospheric pollution. As part of an...- publication PDF
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Ozone export from East Asia: The role of PAN
Peroxyacetyl nitrate (PAN) is an important ozone (O3) precursor. The lifetime of PAN is approximately 1 month in the free troposphere, and this allows O3 production to occur in...- publication PDF
