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Regional modeling of carbonaceous aerosols over Europe--focus on secondary...
In this study, an improved and complete secondary organic aerosols (SOA) chemistry scheme was implemented in the CHIMERE model. The implementation of isoprene chemistry for SOA...- publication PDF
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Confronting the challenge of modeling cloud and precipitation microphysics
In the atmosphere,microphysicsrefers to the microscale processes that affect cloud and precipitation particles and is a key linkage among the various components of Earth's...- publication PDF
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Parameterizing the impact of unresolved temperature variability on the...
Unresolved temperature and salinity fluctuations interact with a nonlinear seawater equation of state to produce significant errors in the ocean model evaluation of the large-...- publication PDF
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The effects of ionospheric outflow on ICME and SIR driven sawtooth events
Magnetosphere sawtooth oscillations have been observed during interplanetary coronal mass ejection (ICME) events, when the solar wind conditions are relatively steady, and...- publication PDF
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On the identification of ozone recovery
As ozone depleting substances decline, stratospheric ozone is displaying signs of healing in the Antarctic lower stratosphere. Here we focus on higher altitudes and the global...- publication PDF
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Temporal evolution of low-level winds induced by two-dimensional mesoscale...
Using large-eddy simulation (LES), the effects of mesoscale local surface heterogeneity on the temporal evolution of low-level flows in the convective boundary layer driven by...- publication PDF
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El Niño, the 2006 Indonesian peat fires, and the distribution of atmospheric methane
Dry conditions from a moderate El Niño during the fall of 2006 resulted in enhanced burning in Indonesia with fire emissions of CO approximately 4-6 times larger than the prior...- publication PDF
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Evaluation of recently-proposed secondary organic aerosol models for a case...
Recent field studies have found large discrepancies in the measured vs. modeled SOA mass loadings in both urban and regional polluted atmospheres. The reasons for these large...- publication PDF
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Lake Victoria thunderstorms: Radar-observed initiation and storm evolution modes
The enhanced observation period during the HIGHWAY field campaign in East Africa provided the opportunity to obtain continuous ground-based radar observations over the Lake...- publication PDF
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Potential impacts of Asian carbon aerosols on future US warming
This study uses an atmosphere-ocean fully coupled climate model to investigate possible remote impacts of Asian carbonaceous aerosols on US climate change. We took a 21st...- publication PDF
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Effect of marine and land convection on wet scavenging of ozone precursors...
Convective clouds are important for both the vertical redistribution of tropospheric trace gases and the removal, via microphysical scavenging, of soluble trace gas precursors...- publication PDF
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Sensitivity of cloud-resolving simulations of warm-season convection to...
This paper investigates the effects of cloud microphysics parameterizations on simulations of warm-season precipitation at convection-permitting grid spacing. The objective is...- publication PDF
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Impact of variable air-sea O₂ and CO₂ fluxes on atmospheric potential oxygen...
A three dimensional, time-evolving field of atmospheric potential oxygen (APO ~O₂/N₂+CO₂) was estimated using surface O₂, N₂ and CO₂ fluxes from the WHOI ocean ecosystem model...- publication PDF
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Coronal plasma diagnostics from ground-based observations
In this paper we discuss the potential of ground-based visible observations of the solar corona to address the key open problems in the physics of the solar atmosphere and of...- publication PDF
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On the selection of localization radius in ensemble filtering for multiscale...
Covariance localization remedies sampling errors due to limited ensemble size in ensemble data assimilation. Previous studies suggest that the optimal localization radius...- publication PDF
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The dispersion of silver iodide particles from ground-based generators over...
Part I of this paper presents the results from a series of plume-tracing flights over the Medicine Bow and Sierra Madre Ranges in south-central Wyoming. These flights, conducted...- publication PDF
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Testing competing precipitation forecasts accurately and efficiently: The...
Which model is best? Many challenges exist when testing competing forecast models, especially for those with high spatial resolution. Spatial correlation, double penalties, and...- publication PDF
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GOLD observations of longitudinal variations in the nighttime Equatorial...
Each day the Global-scale Observations of the Limb and Disk imager observes the equatorial ionization anomaly (EIA) near sunset from similar to 10 degrees E to similar to 80...- publication PDF
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Parameter estimation using data assimilation in an atmospheric general...
This study explores the viability of parameter estimation in the comprehensive general circulation model ECHAM6 using ensemble Kalman filter data assimilation techniques. Four...- publication PDF
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Electrodynamical coupling of the geospace system during solar flares
Reduced daytime upward ExB drifts and weakened fountain effects in equatorial ionosphere have been frequently observed during the initial stage of solar flares. The cause of...- publication PDF
