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Polar mesospheric ozone loss initiates downward coupling of solar signal in...
Solar driven energetic particle precipitation (EPP) is an important factor in polar atmospheric ozone balance and has been linked to ground-level regional climate variability....- publication PDF
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Modulation of tropical cyclogenesis by convectively coupled Kelvin waves
Tropical cyclone numbers can vary from week to week within a hurricane season. Recent studies suggest that convectively coupled Kelvin waves can be partly responsible for such...- publication PDF
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Chemical composition of atmospheric nanoparticles formed from nucleation in...
We report Thermal Desorption Chemical Ionization Mass Spectrometer (TDCIMS) measurements of the composition of ambient 10-33 nm diameter particles formed from nucleation on 16...- publication PDF
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Future changes in regional tropical cyclone wind, precipitation, and...
Understanding changes in the hazard component of climate risk is important to inform societal resilience planning in a changing climate. Here, we examine local changes in wind...- publication PDF
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Spicule emission profiles observed in He I 10 830 Å
Off-the-limb observations with high spatial and spectral resolution will help us understand the physical properties of spicules in the solar chromosphere. Methods....- publication PDF
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Results of the PMIP2 coupled simulations of the mid-Holocene and Last...
A set of coupled ocean-atmosphere simulations using state of the art climate models is now available for the Last Glacial Maximum and the Mid-Holocene through the second phase...- publication PDF
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The large-scale energy budget of the Arctic
This paper synthesizes a variety of atmospheric and oceanic data to examine the large-scale energy budget of the Arctic. Assessment of the atmospheric budget relies primarily on...- publication PDF
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Ground delays from lightning ramp closures and decision uncertainties
Analyses are presented that provide a first quantitative look at the impacts of lightning-related ramp closures on departing and arriving air traffic. Ramp closures are a...- publication PDF
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On the inverse correlation between the thermosphere winter helium bulge and...
Understanding the temporal and spatial variations in the ideal inert tracer helium can provide insight into the dynamic evolution of the thermosphere. The magnitude of the...- publication PDF
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Latitudinal characteristics of nighttime electron temperature in the topside...
This study investigates the latitudinal characteristics of the nighttime electron temperature, as observed by the Defense Meteorological Satellite Program F16 satellite, and its...- publication PDF
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Tidal impact on quiet‐time polar thermosphere zonal winds during northern...
This study primarily examines the variability of zonal winds in the geomagnetic “quiet‐time” (AE index < 190 nT; Kp index < 2)...- publication PDF
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Linking radiative‐advective equilibrium regime transition to Arctic amplification
Emission of anthropogenic greenhouse gases has resulted in greater Arctic warming compared to global warming, known as Arctic amplification (AA). From an energy‐balance...- publication PDF
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Estimates of the global water budget and its annual cycle using...
A brief review is given of research in the Climate Analysis Section at NCAR on the water cycle. Results are used to provide a new estimate of the global hydrological cycle for...- publication PDF
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Plume detection and emission estimate for biomass burning plumes from...
This paper presents the automated plume detection and emission estimation algorithm (APE), developed to detect CO plumes from isolated biomass burning events and to quantify the...- publication PDF
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Modeling the Impacts of Volatile Chemical Product Emissions on Atmospheric...
The dominant fraction of anthropogenic volatile organic compound (VOC) emissions shifted from transportation fuels to volatile chemical products (VCP) in Los Angeles (LA) in...- publication PDF
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Modeling the winter heat conduction through the sea ice system during MOSAiC
Models struggle to accurately simulate observed sea ice thickness changes, which could be partially due to inadequate representation of thermodynamic processes. We analyzed co-...- publication PDF
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Turbulent cascades, transfer, and scale interactions in magnetohydrodynamics
The nature of the interactions between different scales in magneto-hydrodynamic (MHD) turbulence is important for the understanding of the behaviour of magnetized astrophysical,...- publication PDF
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FAIR Facilities and Instruments Workshop #1 Report: Exploring Persistent...
The FAIR Principles were published in 2016 to promote data that result from scholarly research being Findable, Accessible, Interoperable, and Reusable (FAIR). These principles...- publication PDF
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Atmospheric rivers over eastern US affected by Pacific/North America pattern
Atmospheric rivers (ARs) play important roles in various extreme weather events across the US. While AR features in western US have been extensively studied, there remains...- publication PDF
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Power laws and inverse motion modelling: Application to turbulence...
In the context of tackling the ill-posed inverse problem of motion estimation from image sequences, we propose to introduce prior knowledge on flow regularity given by...- publication PDF