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Impact of microphysics scheme complexity on the propagation of initial perturbations
The study of evolution characteristics of initial perturbations is an important subject in four-dimensional variational data assimilation (4DVAR) and mesoscale predictability...- publication PDF
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Mountain waves entering the stratosphere
Using the National Science Foundation (NSF)-NCAR Gulfstream V and the NSF-Wyoming King Air research aircraft during the Terrain-Induced Rotor Experiment (T-REX) in March-April...- publication PDF
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Response of trace gases to the disrupted 2015-2016 quasi-biennial oscillation
The quasi-biennial oscillation (QBO) is a quasiperiodic alternation between easterly and westerly zonal winds in the tropical stratosphere, propagating downward from the middle...- publication PDF
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At the fall meeting: Toward broad community collaboration in geoinformatics
A Town Hall meeting at the upcoming AGU Fall Meeting will be held under the theme "Envisioning the future of Earth science data and knowledge access through a broad national...- publication PDF
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Broadening of cloud droplet spectra through eddy hopping: Turbulent...
This paper discusses the effects of cloud turbulence, turbulent entrainment, and entrained cloud condensation nuclei (CCN) activation on the evolution of the cloud droplet size...- publication PDF
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Inferring ozone production in an urban atmosphere using measurements of...
Observations of peroxynitric acid (HO₂ NO₂ ) obtained simultaneously with those of NO and NO₂ provide a sensitive measure of the ozone photochemical production rate. We...- publication PDF
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Analysis of single-Alter-shielded and unshielded measurements of mixed and...
Although precipitation has been measured for many centuries, precipitation measurements are still beset with significant inaccuracies. Solid precipitation is particularly...- publication PDF
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Assimilating surface observations in a four-dimensional variational Doppler...
This paper examines how assimilating surface observations can improve the analysis and forecast ability of a fourdimensional Variational Doppler Radar Analysis System (VDRAS)....- publication PDF
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Ionospheric and thermospheric variations associated with prompt penetration...
This paper presents a comprehensive modeling investigation of ionospheric and thermospheric variations during a prompt penetration electric field (PPEF) event that took place on...- publication PDF
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Using GRACE data to estimate climate change impacts on the Earth's moment of inertia
The widely used 15-year Gravity Recovery and Climate Experiment (GRACE) measured mass redistribution shows an increasing trend in the nontidal Earth's moment of inertia (MOI)....- publication PDF
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On the gravity wave forcing during the southern stratospheric final warming in LMDZ
The austral stratospheric final warming date is often predicted with substantial delay in several climate models. This systematic error is generally attributed to insufficient...- publication PDF
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Transport of internetwork magnetic flux elements in the solar photosphere
The motions of small-scale magnetic flux elements in the solar photosphere can provide some measure of the Lagrangian properties of the convective flow. Measurements of these...- publication PDF
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Atmospheric forcing of the upper ocean transport in the Gulf of Mexico: From...
The 2010 Deepwater Horizon oil spill in the Gulf of Mexico (GoM) was an environmental disaster, which highlighted the urgent need to predict the transport and dispersion of...- publication PDF
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Flux attenuation due to sensor displacement over sea
When using the eddy correlation method to measure turbulent scalar fluxes, there is often a spatial separation between the instruments measuring the scalar and the vertical...- publication PDF
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Description and evaluation of the specified-dynamics experiment in the...
We provide an overview of the REF-C1SD specified-dynamics experiment that was conducted as part of phase 1 of the Chemistry-Climate Model Initiative (CCMI). The REF-C1SD...- publication PDF
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An evaluation of snow initializations in NCEP global and regional forecasting models
Snow plays a major role in land-atmosphere interactions, but strong spatial heterogeneity in snow depth (SD) and snow water equivalent (SWE) makes it challenging to evaluate...- publication PDF
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A zonal wavenumber 3 pattern of Northern Hemisphere wintertime planetary...
A prominent pattern of variability of the Northern Hemisphere wintertime tropospheric planetary waves, referred to here as the Wave3 pattern, is identified from the NCEP-NCAR...- publication PDF
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Revised cloud processes to improve the mean and intraseasonal variability of...
The National Centre for Environmental Prediction (NCEP) Climate Forecast System (CFS) is being used for operational monsoon prediction over the Indian region. Recent studies...- publication PDF
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Complex refractive indices in the ultraviolet and visible spectral region...
Biomass burning aerosol is a major source of PM2.5, and significantly affects Earth's radiative budget. The magnitude of its radiative effect is poorly quantified due to...- publication PDF
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The roles of mineral dust as cloud condensation nuclei and ice nuclei during...
Aerosols play important roles in the evolution of deep convective systems like hailstorms. In this study, the heterogeneous ice nucleation schemes have been improved in the...- publication PDF
