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A snapshot of the sun near solar minimum: The whole heliosphere interval
We present an overview of the data and models collected for the Whole Heliosphere Interval, an international campaign to study the three-dimensional solar-heliospheric-planetary...- publication PDF
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Spherical harmonic spectral estimation on arbitrary grids
This study explores the use of nonuniform fast spherical Fourier transforms on meteorological data that are arbitrarily distributed on the sphere. The applicability of this...- publication PDF
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Storing, Retrieving, and Editing Programs
The purpose of this document is to explain how to maintain programs and other small files for use on NCAR's batch computers. Annotated examples are used to show how most common...- publication PDF
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The role of the particle size distribution in assessing aerosol composition...
Variations in the chemical composition of atmospheric aerosols alter their hygroscopicity and can lead to changes in the cloud-active fraction of the aerosols, or cloud...- publication PDF
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Numerical simulation of mountain waves over the Southern Andes. Part I:...
This paper addresses the compressible nonlinear dynamics accompanying increasing mountain wave (MW) forcing over the southern Andes and propagation into the mesosphere and lower...- publication PDF
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Enhanced polar outflow probe ionospheric radio occultation measurements at...
This paper presents validation of ionospheric Global Positioning System (GPS) radio occultation measurements of the GPS Attitude, Positioning, and Profiling Experiment...- publication PDF
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Secondary ice production by fragmentation of freezing drops: Formulation and theory
A numerical formulation is provided for secondary ice production during fragmentation of freezing raindrops or drizzle. This is obtained by pooling laboratory observations from...- publication PDF
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Ground-based observations for the upper atmosphere at Jang Bogo Station,...
The second Korean Antarctic station, Jang Bogo Station (JBS), Terra Nova Bay (74°37.4'S, 164°13.7'E), is operational since March 2014. A Fabry-Perot Interferometer (FPI) and...- publication PDF
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[Global Climate] Hydrological cycle: Total column water vapor
Large-scale climate patterns influenced temperature and weather patterns around the globe in 2011. In particular, a moderate-to-strong La Nina at the beginning of the year...- publication PDF
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The emergence of shallow easterly jets within QBO westerlies
A configuration of an idealized general circulation model has been obtained in which a deep, stratospheric, equatorial, westerly jet is established that is spontaneously and...- publication PDF
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Quantification of organic aerosol and brown carbon evolution in fresh wildfire plumes
The evolution of organic aerosol (OA) and brown carbon (BrC) in wildfire plumes, including the relative contributions of primary versus secondary sources, has been uncertain in...- publication PDF
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In situ water vapor and ozone measurements in Lhasa and Kunming during the...
The Asian summer monsoon (ASM) anticyclone circulation system is recognized to be a significant transport pathway for water vapor and pollutants to enter the stratosphere. The...- publication PDF
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Effects of Subauroral Polarization Streams on the upper thermospheric winds...
Intense sunward (westward) plasma flows, named Subauroral Polarization Stream (SAPS), have been known to occur equatorward of the electron auroras for decades, yet their effect...- publication PDF
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The Cloud Feedback Model Intercomparison Project (CFMIP) contribution to CMIP6
The primary objective of CFMIP is to inform future assessments of cloud feedbacks through improved understanding of cloud-climate feedback mechanisms and better evaluation of...- publication PDF
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Simulations of deep convection in the Mediterranean area using 3DVAR of...
In autumn deep convection in the Mediterranean region is a common phenomenon. The local events characterized by deep convection are still a difficult task even for high...- publication PDF
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Response of winter fine particulate matter concentrations to emission and...
The winter haze is a growing problem in North China, but the causes are not well understood. The chemistry version of the Weather Research and Forecasting model (WRF-Chem) was...- publication PDF
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Evaluation of cloud and precipitation simulations in CAM6 and AM4 using...
This study uses cloud and radiative properties collected from in situ and remote sensing instruments during two coordinated campaigns over the Southern Ocean between Tasmania...- publication PDF
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Effect of sporadic E clouds on GPS radio occultation signals
In this study the effects of sporadic E (Es) clouds on GPS radio occultation (RO) signals are investigated by modeling wave propagation and analyzing observational GPS RO data....- publication PDF
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Arctic Sea ice decline: Faster than forecast
From 1953 to 2006, Arctic sea ice extent at the end of the melt season in September has declined sharply. All models participating in the Intergovernmental Panel on Climate...- publication PDF
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Observational constraints on the global atmospheric budget of ethanol
Energy security and climate change concerns have led to the promotion of biomass-derived ethanol, an oxygenated volatile organic compound (OVOC), as a substitute for fossil...- publication PDF
