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Unprecedented upper-air dropsonde observations over Antarctica from the 2010...
The 2010 Concordiasi field experiment took place over Antarctica from September to December 2010. During Concordiasi, for the first time, 13 National Center for Atmospheric...- publication PDF
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Simulations of the response of the mesospheric circulation and temperature...
The loss of ozone that has occurred in the Antarctic lower stratosphere during each spring since 1980 has led to a decrease in the lower stratospheric temperature that persists...- publication PDF
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Improving snow albedo modeling in the E3SM land model (version 2.0) and...
With the highest albedo of the land surface, snow plays a vital role in Earth's surface energy budget and water cycle. Snow albedo is primarily controlled by snow grain...- publication PDF
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Climate extremes and climate change: The Russian heat wave and other climate...
A global perspective is developed on a number of high impact climate extremes in 2010 through diagnostic studies of the anomalies, diabatic heating, and global energy and water...- publication PDF
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Investigating Alfvénic wave propagation in coronal open-field regions
The physical mechanisms behind accelerating solar and stellar winds are a long-standing astrophysical mystery, although recent breakthroughs have come from models invoking the...- publication PDF
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Modeling of aircraft measurements of ice crystal concentration in the Arctic...
In this study, two parameterizations of ice nucleation rate on dust particles are used in a parcel model to simulate aircraft measurements of ice crystal number concentration Ni...- publication PDF
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A method for constructing directional surface wave spectra from ICESat-2 altimetry
Sea ice is important for Earth's energy budget as it influences surface albedo and air-sea fluxes in polar regions. On its margins, waves heavily impact sea ice. Routine and...- publication PDF
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A climatology of planetary wave-driven mesospheric inversion layers in the...
Mesospheric inversion layers (MILs) are a useful diagnostic to simultaneously investigate middle atmosphere radiation, chemistry, and dynamics in high-top general circulation...- publication PDF
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Estimating polarization purity with noise
We formulate a problem of estimating and monitoring mismatch (unwanted departure from orthogonality) of two ostensibly orthogonal polarization channels in a fully polarimetric...- publication PDF
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Impact of runoff schemes on global flow discharge: A comprehensive analysis...
Accurate estimation of flow discharge is crucial for hydrological modelling, water resources planning, and flood prediction. This study examines seven common runoff schemes...- publication PDF
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An overview of aircraft observations from the Pacific Dust Experiment campaign
Fourteen research flights were conducted in the Pacific Dust Experiment (PACDEX) during April and May 2007 to sample pollution and dust outbreaks from east Asia as they traveled...- publication PDF
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On the importance of interactive ozone chemistry in earth-system models for...
We use the CESM2-Whole Atmosphere Community Climate Model, to study the importance of ozone in the vertical coupling between lower and upper atmosphere during sudden...- publication PDF
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Sensitivity of tornado dynamics to soil debris loading
Past numerical simulation studies found that debris loading from sand-sized particles may substantially affect tornado dynamics, causing reductions in near-surface wind speeds...- publication PDF
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Effect of the Grell-Freitas deep convection scheme in quasi-uniform and...
The Grell-Freitas deep convection scheme (GF) has been implemented in the Community Atmosphere Model (CAM) with the nonhydrostatic Model for Prediction Across Scales dynamical...- publication PDF
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CMEs and SEPs during November-December 2020: A challenge for real-time space...
Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather...- publication PDF
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Longitudinal variations in the F region ionosphere and the topside...
Constellation Observing System for Meteorology Ionosphere and Climate (COSMIC) observations of the total electron content (TEC) above and below 800 km are used to study the...- publication PDF
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Implications of extinction due to meteoritic smoke in the upper stratosphere
Recent optical observations of aerosols in the upper stratosphere and mesosphere show significant amounts of extinction at altitudes above about 40 km where the stratospheric...- publication PDF
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Geospace Evironment Modeling 2008-2009 Challenge: Ground magnetic field perturbations
Acquiring quantitative metrics-based knowledge about the performance of various space physics modeling approaches is central for the space weather community. Quantification of...- publication PDF
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Deep Cycle Turbulence in Atlantic and Pacific cold tongues
Multiyear turbulence measurements from oceanographic moorings in equatorial Atlantic and Pacific cold tongues reveal similarities in deep cycle turbulence (DCT) beneath the...- publication PDF
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Airborne observations of total RONO₂: New constraints on the yield and...
Formation of isoprene nitrates (INs) is an important free radical chain termination step ending production of ozone and possibly affecting formation of secondary organic...- publication PDF
