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ASHLEY: A new empirical model for the high-latitude electron precipitation...
In this study, a new high-latitude empirical model is introduced, named for Auroral energy Spectrum and High-Latitude Electric field variabilitY (ASHLEY). This model improves...- publication PDF
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Metadata
Metadata in various forms pervades our institutions, technologies, and daily lives. Metadata is a distinct focus of academic research and professional practice for many people...- publication PDF
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Validation of Solar Occultation for Ice Experiment (SOFIE) nitric oxide measurements
Nitric oxide (NO) measurements from the Solar Occultation for Ice Experiment (SOFIE) are validated through detailed uncertainty analysis and comparisons with independent...- publication PDF
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Diagnosing present and future permafrost from climate models
Permafrost is a characteristic aspect of the terrestrial Arctic and the fate of near-surface permafrost over the next century is likely to exert strong controls on Arctic...- publication PDF
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Radiative forcing in the ACCMIP historical and future climate simulations
The Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) examined the short-lived drivers of climate change in current climate models. Here we evaluate the...- publication PDF
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Quantifying the risk of extreme events under climate change
We are all familiar with the proverbial "100-year flood," a concept instrumental in engineering design for water resources management. This concept, generally termed a "return...- publication PDF
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Measurement of light-absorbing particles in surface snow of central and...
We collected surface snow samples from three different glaciers - Yala, Thana, and Sachin - in the central and western Himalayas to understand the spatial variability and...- publication PDF
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NCAR Software Support Library
This manual contains documentation for users of the NCAR Scientific Subroutine Library (NSSL) system file library called ULIB. It is published in three volumes. Each program...- publication PDF
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Monitoring and understanding changes in extremes: Extratropical storms,...
This scientific assessment examines changes in three climate extremes—extratropical storms, winds, and waves—with an emphasis on U.S. coastal regions during the cold season....- publication PDF
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Grid spacing sensitivities of simulated mid-latitude and tropical mesoscale...
The main objective of this study is to observationally constrain processes in tropical and midlatitude mesoscale convective systems (MCSs), and to use these constraints for...- publication PDF
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Systems approach to polarization calibration for the Daniel K. Inouye solar...
The Daniel K. Inouye Solar Telescope (DKIST) advances studies of solar magnetism through high-precision and accuracy in polarimetry at frontier spatial and temporal scales. A...- publication PDF
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The very stable boundary layer on nights with weak low-level jets
The light-wind, clear-sky, very stable boundary layer (vSBL) is characterized by large values of bulk Richardson number. The light winds produce weak shear, turbulence, and...- publication PDF
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Less surface sea ice melt in the CESM2 improves Arctic Sea ice simulation...
This study isolates the influence of sea ice mean state on pre-industrial climate and transient 1850-2100 climate change within a fully coupled global model: The Community Earth...- publication PDF
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Direct numerical simulation of top-down and bottom-up diffusion in the...
A direct numerical simulation (DNS) of an unstably stratified convective boundary layer with system rotation was performed to study top-down and bottom-up diffusion processes....- publication PDF
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Atmospheric CO2 observations and models suggest strong carbon uptake by...
A regional atmospheric inversion method has been developed to determine the spatial and temporal distribution of CO2 sinks and sources across New Zealand for 2011-2013. This...- publication PDF
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Comparisons of ion density from IVM with the GNSS differential TEC-derived...
We report on a new method to derive the on-orbit electron density using the Tri Global Navigation Satellite System (GNSS) Radio-occultation System (Tri-GNSS Radio occultation...- publication PDF
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Improving short-term precipitation forecasting with radar data assimilation...
This paper presents a multiscale hybrid ensemble-variational (EnVar) data assimilation strategy with an hourly rapid update aiming to improve analysis of convection via radar...- publication PDF
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Can atomic oxygen production explain the ionospheric annual asymmetry?
The causes of the ionospheric annual asymmetry, which refers to a larger averaged electron density at geomagnetic conjugate latitudes in December than in June, remain an...- publication PDF
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Parametric and structural sensitivities of turbine-height wind speeds in the...
Structural and parametric problems associated with physical parameterizations are often tied together in weather and climate models. This study examines the sensitivities of...- publication PDF
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Development and validation of the whole atmosphere Community Climate Model...
Key developments have been made to the NCAR Whole Atmosphere Community Climate Model with thermosphere and ionosphere extension (WACCM-X). Among them, the most important are the...- publication PDF