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An ensemble conditional nonlinear optimal perturbation approach: Formulation...
The conditional nonlinear optimal perturbation (CNOP) method proposed by Mu et al. (2003) has been a useful tool for studying predictability dynamics. Its further applications...- publication PDF
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Importance of different parameterization changes for the updated dust cycle...
The Community Atmosphere Model (CAM6.1), the atmospheric component of the Community Earth System Model (CESM; version 2.1), simulates the life cycle (emission, transport, and...- publication PDF
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Regional assessment of sampling techniques for more efficient dynamical...
Dynamical downscaling is a computationally expensive method whereby finescale details of the atmosphere may be portrayed by running a limited area numerical weather prediction...- publication PDF
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Convective transport of water vapor into the lower stratosphere observed...
We present in situ observations of convectively injected water vapor in the lower stratosphere from instruments aboard two aircraft operated during the Deep Convective Clouds...- publication PDF
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Defining the internal component of Atlantic multidecadal variability in a...
The canonical index of "Atlantic Multidecadal Variability" (AMV) is the low-pass filtered timeseries of sea surface temperature anomalies (SSTA) averaged over the North...- publication PDF
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Extreme ozone loss following nuclear war results in enhanced surface...
For the first time, we use a modern climate model with interactive chemistry including the effects of aerosols on photolysis rates to simulate the consequences of regional and...- publication PDF
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Ascent Reference Manual
A reference manual edited from Control Data Corporation���s copyrighted publications, with Control Data Corporation's written permission for the 6600 and 7600 computer and...- publication PDF
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An Ensemble approach for the estimation of observational error illustrated...
Least squares algorithms for data assimilation require estimates of both background error covariances and observational error covariances. The specification of these errors is...- publication PDF
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Causal link of the wave-4 structures in plasma density and vertical plasma...
We investigate the annual and local time variations of the wave-4 structures in the plasma density and vertical drift in the low-latitude F region by analyzing the measurements...- publication PDF
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Persisting volcanic ash particles impact stratospheric SO2 lifetime and...
Volcanic ash is often neglected in climate simulations because ash particles are assumed to have a short atmospheric lifetime, and to not participate in sulfur chemistry. After...- publication PDF
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Structure of offshore flow
The horizontal and vertical structure of the mean flow and turbulent fluxes are examined using aircraft observations taken near a barrier island on the east coast of the United...- publication PDF
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Dipolar elementary current systems for ionospheric current reconstruction at...
The technique of spherical elementary current systems (SECS) is a powerful way to determine ionospheric and field-aligned currents (FAC) from magnetic field measurements made by...- publication PDF
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Marine boundary layer clouds associated with coastally trapped disturbances:...
Modeling marine low clouds and fog in coastal environments remains an outstanding challenge due to the inherently complex ocean-land-atmosphere system. This is especially...- publication PDF
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Meeting Review the Second NCAR Research Aircraft Fleet Workshop
This report provides details of a workshop held at NCAR during the period 15-16 April 1987, for the purposes of assessing the scientific needs for atmospheric research aircraft...- publication PDF
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The diurnal cycle of entrainment and detrainment in LES of the Southern...
Empirical rules for both entrainment and detrainment are developed from LES of the Southern Ocean boundary layer when the turbulence, stratification, and shear cannot be assumed...- publication PDF
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Impact of changes to the atmospheric soluble iron deposition flux on ocean...
Iron can be a growth-limiting nutrient for phytoplankton, modifying rates of net primary production, nitrogen fixation, and carbon export - highlighting the importance of new...- publication PDF
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Current status and future challenges of weather radar polarimetry: Bridging...
After decades of research and development, the WSR-88D (NEXRAD) network in the United States was upgraded with dual-polarization capability, providing polarimetric radar data...- publication PDF
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Chemistry-turbulence interactions and mesoscale variability influence the...
The hydroxyl radical (OH) is the most important oxidant in the atmosphere and the primary sink for isoprene, the dominant volatile organic compound emitted by vegetation. Recent...- publication PDF
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A method for adaptive habit prediction in bulk microphysical models. Part...
Arctic mixed-phase clouds are ubiquitous, and the persistence of supercooled liquid is not well understood. Prior studies of mixed-phase clouds predict a single axis length...- publication PDF
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Objectively determined fair-weather NBL features in ARW-WRF and their...
Heights of nocturnal boundary layer (NBL) features are determined using vertical profiles from the Advanced Research Weather Research and Forecasting Model (ARW-WRF), and then...- publication PDF
