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Dynamical tropopause based on isentropic potential vorticity gradients
Since its inception, the dynamical tropopause based on potential vorticity (PV) is identified by the PV gradient on isentropes. Conceptually, significant isentropic gradients...- publication PDF
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Ionospheric variability due to planetary waves and tides for solar minimum conditions
Large ionospheric variability is found at low to middle latitudes when a quasi-stationary planetary wave is specified in the winter stratosphere in the National Center for...- 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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Effects of realistic land surface initializations on subseasonal to seasonal...
Fully coupled global climate model experiments are performed using the Community Climate System Model version 4.0 (CCSM4) for preindustrial, present, and future climate to study...- publication PDF
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The summer evening anomaly and conjugate effects
The Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) GPS occultation data have been analyzed in this study to provide a better understanding of...- publication PDF
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Opportunistic observations of Mount Erebus volcanic plume HCl, HF and SO2 by...
Opportunistic large bandwidth, high resolution, high signal to noise ratio mid-infrared solar occultation spectral measurements of the Mount Erebus (Ross Island, Antarctica)...- publication PDF
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A meteo-hydrological modelling system for the reconstruction of river...
A meteo-hydrological modelling system has been designed for the reconstruction of long time series of rainfall and river runoff events. The modelling chain consists of the...- publication PDF
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The FastEddy® resident-GPU accelerated large-eddy simulation framework:...
This paper introduces a new large-eddy simulation model, FastEddy (R), purpose built for leveraging the accelerated and more power-efficient computing capacity of graphics...- publication PDF
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Deriving global OH abundance and atmospheric lifetimes for long-lived gases:...
An accurate estimate of global hydroxyl radical (OH) abundance is important for projections of air quality, climate, and stratospheric ozone recovery. As the atmospheric mixing...- publication PDF
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The COSMO coronagraph optical design and stray light analysis
The Coronal Solar Magnetism Observatory Large Coronagraph (COSMO-LC) is a 1.5 meter Lyot coronagraph dedicated to measuring magnetic fields and plasma properties in the solar...- publication PDF
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Evaluation of atmospheric precipitable water from reanalysis products using...
Many multidecadal atmospheric reanalysis products are available now, but their consistencies and reliability are far from perfect. In this study, atmospheric precipitable water...- publication PDF
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Microphysical processes producing high ice water contents (HIWCs) in...
High ice water content (HIWC) regions in tropical deep convective clouds, composed of high concentrations of small ice crystals, were not reproduced by Weather Research and...- publication PDF
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Seasonal cycles of O₃ in the marine boundary layer: Observation and model...
We present a two-step approach for quantitatively comparing modeled and measured seasonal cycles of O₃: (1) fitting sine functions to monthly averaged measurements and model...- publication PDF
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Assessment of biomass burning smoke influence on environmental conditions...
We use the Weather Research and Forecasting (WRF) system to study the impacts of biomass burning smoke from Central America on several tornado outbreaks occurring in the U.S....- publication PDF
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Microclimate and human ecological factors in the divergent ecology of Aedes...
An estimate of the interval between successive infections is essential for surveillance, control, and modeling of infectious diseases. This paper proposes a method for...- publication PDF
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A Prototype Optical Flowmeter for the Measurement of Liquid Water Content
This report depicts the design and preliminary evaluation of an optical flowmeter for measurement of the liquid water content in warm clouds and rain showers. The sensing...- publication PDF
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Recent results from Milagro Field Campaign 2006 in the Mexico megacity
The air quality in large urbanized regions represents one of the major threats to the public and the ecosystems health. A number of harmful compounds emitted to the atmosphere...- publication PDF
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Convective episodes in the east-central United States
Nine years of composited radar data are investigated to assess the presence of organized convective episodes in the east-central United States. In the eastern United States, the...- publication PDF
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NCAR/RAF VMEbus Interface for the Particle Measuring Systems Optical Array Grey Probe
This Technical Note describes the design and operation of the NCAR/RAF VMEbus interface board for the Optical Array Grey Probe manufactured by Particle Measuring Systems, Inc....- publication PDF
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Intercomparison of mesoscale model simulations of the daytime valley wind system
Three-dimensional simulations of the daytime thermally induced valley wind system for an idealized valley–plain configuration, obtained from nine nonhydrostatic mesoscale...- publication PDF
