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Update of upper level turbulence forecast by reducing unphysical components...
On 2 November 2015, unrealistically large areas of light-or-stronger turbulence were predicted by the WRF-RAP (Weather Research and Forecast Rapid Refresh)-based operational...- publication PDF
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Origin of dawnside subauroral polarization streams during major geomagnetic storms
Solar eruptions cause geomagnetic storms in the near-Earth environment, creating spectacular aurorae visible to the human eye and invisible dynamic changes permeating all of...- publication PDF
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The balance between heterogeneous and homogeneous nucleation of ice clouds...
We present a modification to the Community Aerosol and Radiation model for Atmospheres (CARMA) sectional ice microphysical model where we have added interactive nucleation of...- publication PDF
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Validation of mountain precipitation forecasts from the...
Convection-permitting ensembles can capture the large spatial variability and quantify the inherent uncertainty of precipitation in areas of complex terrain; however, such...- publication PDF
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Weakened aerosolâPBL interactions enhance future air quality benefits...
China's pursuing the carbon neutrality goal could affect future air quality not only by reducing anthropogenic emissions but also by modulating aerosolâplanetary boundary...- publication PDF
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Approximating snow surface temperature from standard temperature and...
Snow surface temperature (Ts) is important to the snowmelt energy balance and land-atmosphere interactions, but in situ measurements are rare, thus limiting evaluation of remote...- publication PDF
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Strong high-latitude zonal wind gradient observed by CHAMP and simulated by TIEGCM
Using 6 days cross-track wind data from CHAMP, we investigate the high-latitude westward wind gradient and reversal that occurs at fixed longitudes (-120 degrees similar to -30...- publication PDF
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Impact of model errors in convective transport on CO source estimates...
Estimates of surface fluxes of carbon monoxide (CO) inferred from remote sensing observations or free tropospheric trace gas measurements using global chemical transport models...- publication PDF
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Trends in emissions and concentrations of air pollutants in the lower...
Trends in the composition of the lower atmosphere (0-1500m altitude) and surface air quality over the Baltimore/Washington area and surrounding states were investigated for the...- publication PDF
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Global meridional overturning circulation inferred from a data-constrained...
Our current understanding of the global meridional overturning circulation (GMOC) is revisited using a surface-forced ocean model simulation constrained by global hydrographic...- publication PDF
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Mechanisms for spontaneous gravity-wave generation within a dipole vortex
Previous simulations of dipole vortices propagating through rotating, stratified fluid have revealed small-scale inertiaâgravity waves that are embedded within the dipole near...- publication PDF
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Optimization of an enclosed gas analyzer sampling system for measuring eddy...
Several initiatives are currently emerging to observe the exchange of energy and matter between the earth's surface and atmosphere standardized over larger space and time...- publication PDF
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Impact of soil moisture-climate feedbacks on CMIP5 projections: First...
The Global Land-Atmosphere Climate Experiment-Coupled Model Intercomparison Project phase 5 (GLACE-CMIP5) is a multimodel experiment investigating the impact of soil moisture-...- publication PDF
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On the surface wind speed probability density function over complex terrain
The physical mechanisms determining the shape of the surface wind speed probability density function over complex terrain are investigated using observations from a dense...- publication PDF
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Operation of the Stokes Profile Synthesis Routine
The Stokes Profile Synthesis Routine (SPSR) calculates the Stokes vector emerging from a model atmosphere using the Diagonal Element Lambda Operator (DELO) method described in...- publication PDF
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Bridging the gap between global weather prediction and global...
We introduce a 6.5‐km version of the Geophysical Fluid Dynamics Laboratory (GFDL)'s System for High‐resolution prediction on Earth‐to‐Local Domains...- publication PDF
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An approach of radar reflectivity data assimilation and its assessment with...
A radar reflectivity data assimilation scheme was developed within the fifth-generation Pennsylvania State UniversityâNational Center for Atmospheric Research Mesoscale Model...- 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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Examining Exodus 14 with the geosciences
There are similarities between the physical details described in the Exodus 14 narrative of the parting of the Red Sea, and a wind setdown event in the eastern Nile delta. This...- publication PDF
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Terrain and land use for the fifth-generation Penn State/NCAR Mesoscale...
This document discusses in detail the program TERRAIN and is intended to provide users of the PSU/NCAR MM5 with an overview of the data sources and methods used in TERRAIN. Some...- publication PDF