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Gravity wave variations during the 2009 stratospheric sudden warming as...
ECMWF-T799 is used to study gravity wave (GW) variations during the 2009 stratospheric sudden warming (SSW) in the Arctic. The magnitude and occurrence of GWs correlate with the...- publication PDF
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On the value of time-lag-ensemble averaging to improve numerical model...
The High-Resolution Rapid Refresh (HRRR) model with its hourly updating cycles provides multiple weather forecasts valid at any given time. A logical combination of these...- publication PDF
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Characterizing Sierra Nevada snowpack using variable-resolution CESM
The location, timing, and intermittency of precipitation in California make the state integrally reliant on winter-season snowpack accumulation to maintain its economic and...- publication PDF
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Influences of the mid-level vortex on the formation of Tropical Cyclone Toraji (2013)
This study analyzes the influences of the mid-level vortex on the formation of Tropical Cyclone Toraji (2013). A rare case of a tropical cyclone that formed near Taiwan involved...- publication PDF
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Design strategies of an hourly update 3DVAR data assimilation system for...
This study examines two strategies for improving the analysis of an hourly update three-dimensional variational data assimilation (3DVAR) system and the subsequent quantitative...- publication PDF
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Northern Hemisphere atmospheric influence of the solar proton events and...
Solar eruptions in early 2005 led to a substantial barrage of charged particles on the Earth's atmosphere during the 16-21 January period. Proton fluxes were greatly increased...- publication PDF
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Comparison of NCAR Community Climate Model (CCM) Climates
The purpose of this project is to establish the climate record of four versions of the National Center for Atmospheric Research (NCAR) Community Climate Model (CCM). All four...- publication PDF
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Exploration of oxidative chemistry and secondary organic aerosol formation...
The GoAmazon 2014/5 field campaign took place in Manaus, Brazil, and allowed the investigation of the interaction between background-level biogenic air masses and anthropogenic...- publication PDF
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Tracing the traces: The critical role of metadata within networked communications
The information sciences have traditionally been at the center of metadata-focused research. The US National Security Agency (NSA) intelligence documents revealed by Edward...- publication PDF
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A geostationary thermal infrared sensor to monitor the lowermost...
This paper describes the capabilities of a nadir thermal infrared (TIR) sensor proposed for deployment onboard a geostationary platform to monitor ozone (Oâ) and carbon...- publication PDF
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Improved representation of horizontal variability and turbulence in...
Cold-air pools (CAPs), or stable atmospheric boundary layers that form within topographic basins, are associated with poor air quality, hazardous weather, and low wind energy...- publication PDF
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The 1430s: A cold period of extraordinary internal climate variability...
Changes in climate affected human societies throughout the last millennium. While European cold periods in the 17th and 18th century have been assessed in detail, earlier cold...- publication PDF
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Long-term trend of topside ionospheric electron density derived from DMSP...
In recent decades, significant efforts have been made to characterize and understand the global pattern of ionospheric long-term trend. However, little attention has been paid...- publication PDF
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Multimodel surface temperature responses to removal of U.S. sulfur dioxide emissions
Three Earth System models are used to derive surface temperature responses to removal of U.S. anthropogenic SO2 emissions. Using multicentury perturbation runs with and without...- publication PDF
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Growth rates of freshly nucleated atmospheric particles in Atlanta
During the Atlanta ANARChE Study of July and August 2002, atmospheric aerosol size distributions from 3 to 2000 nm were measured continuously with 5-min resolution. Sulfuric...- publication PDF
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Impact of the January 2012 solar proton event on polar mesospheric clouds
We use data from the Aeronomy of Ice in the Mesosphere mission and simulations using the Whole Atmosphere Community Climate Model to determine the impact of the 23-30 January...- publication PDF
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Subseasonal representation and predictability of North American weather...
This study focuses on assessing the representation and predictability of North American weather regimes, which are persistent large-scale atmospheric patterns, in a set of...- publication PDF
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Operational phased array radar network for natural hazard monitoring and...
The continuous development of modern Doppler weather radars has substantially augmented our capacity to monitor severe convective storms and gain insights into their dynamic and...- publication PDF
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Using peer review to support development of community resources for research...
To ensure that resources designed to teach skills and best practices for scientific research data sharing and management are useful, the maintainers of those materials need to...- publication PDF
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Two-years of stratospheric chemistry perturbations from the 2019â2020...
The very large pyrocumulonimbus events that occurred during the Australian summer of 2019â2020 caused extremely unusual partitioning of stratospheric chlorine in the Southern...- publication PDF