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The GUARDIAN system: A GNSS upper atmospheric real-time disaster information...
We introduce GUARDIAN, a near-real-time (NRT) ionospheric monitoring software for natural hazards warning. GUARDIAN's ultimate goal is to use NRT total electronic content (TEC)...- publication PDF
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Role of the QBO in modulating the influence of the 11 year solar cycle on...
We present a set of six 20 year experiments made with a state-of-the-art chemistry-climate model that incorporates the atmosphere from the surface to the lower thermosphere. The...- publication PDF
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Exploring impacts of rapid-scan radar data on NWS warning decisions
Rapid-scan weather radars, such as the S-band phased array radar at the National Weather Radar Testbed in Norman, Oklahoma, improve precision in the depiction of severe storm...- publication PDF
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Transport by Asian summer monsoon convection to the upper troposphere and...
The Asian Summer Monsoon (ASM) has garnered attention in recent years for its impacts on the composition of the upper troposphere and lower stratosphere (UTLS) via deep...- publication PDF
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A new paradigm of quantifying ecosystem stress through chemical signatures
Stress-induced emissions of biogenic volatile organic compounds (VOCs) from terrestrial ecosystems may be one of the dominant sources of VOC emissions worldwide. Understanding...- publication PDF
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Evidence of nighttime production of organic nitrates during SEAC4RS,...
Organic nitrates (RONO2) are an important NOx sink. In warm, rural environments dominated by biogenic emissions, nocturnal NO3-initiated production of RONO2 is competitive with...- publication PDF
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Two-dimensional correlation functions for density and magnetic field...
Knowledge of multidimensional correlation functions is crucial for understanding the anisotropy of turbulence. The two-dimensional (2-D) spatial correlation functions (SCFs)...- publication PDF
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Influence of fair-weather cumulus clouds on isoprene chemistry
Fair-weather cumulus clouds are not resolved in regional- and global-scale atmospheric chemistry models because their horizontal extent is less than the horizontal resolution of...- publication PDF
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A comparison study of extreme precipitation from six different regional...
We analyze output from six regional climate models (RCMs) via a spatial Bayesian hierarchical model. The primary advantage of this approach is that the statistical model...- publication PDF
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Optimizing Genetic Algorithm Parameters for Atmospheric Carbon Monoxide Modeling
A main source of atmospheric carbon monoxide (CO) variability in the Southern Hemisphere is large burn events, making CO a useful proxy for fires. Therefore, predictive CO...- publication PDF
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A Kalman Filter to Improve Measurements of Wind from NSF/NCAR Research Aircraft
To improve the measurements of wind made from NSF/NCAR aircraft, a Kalman filter is developed and applied to archived data files from research projects. The filter is an error-...- publication PDF
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Stereoscopic monitoring: A promising strategy to advance diagnostic and...
Monitoring and modeling/predicting air pollution are crucial to understanding the links between emissions and air pollution levels, to supporting air quality management, and to...- publication PDF
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Intra-annual changes in abundance of Aedes (Stegomyia) aegypti and Aedes...
We examined temporal changes in the abundance of the mosquitoes Aedes (Stegomyia) aegypti (L.) and Aedes (Ochlerotatus) epactius Dyar & Knab from June to October 2012 in one...- publication PDF
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Evaluation of forecasted southeast Pacific stratocumulus in the NCAR, GFDL,...
Forecasts of southeast Pacific stratocumulus at 20°S and 85°W during the East Pacific Investigation of Climate (EPIC) cruise of October 2001 are examined with the ECMWF model,...- publication PDF
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Algorithm for the charge-coupled-device scanning actinic flux...
Stratospheric ozone column data was acquired during four recent aircraft-based validation missions for the Aura satellite flown in years 2004-2006. The data was retrieved by the...- publication PDF
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A ventilation index for tropical cyclones
An important environmental control of both tropical cyclone intensity and genesis is vertical wind shear. One hypothesized pathway by which vertical shear affects tropical...- publication PDF
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Observations and simulations of the ionospheric lunar tide: Seasonal variability
The seasonal variability of the ionospheric lunar tide is investigated using a combination of Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC)...- publication PDF
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Quality Analysis of Visqueen Balloon Film
A study was conducted to investigate the production history of Visqueen A balloon film and to develop information useful for future procurement, quality control, and design of...- publication PDF
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ULF wave analysis and radial diffusion calculation using a global MHD model...
The 17 March 2015 St. Patrick's Day Storm is the largest geomagnetic storm to date of Solar Cycle 24, with a Dst of -223 nT. The magnetopause moved inside geosynchronous orbit...- publication PDF
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Tropical rainfall predictions from multiple seasonal forecast systems
We quantify seasonal prediction skill of tropical winter rainfall in 14 climate forecast systems. High levels of seasonal prediction skill exist for year-to-year rainfall...- publication PDF
