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An upwind-biased transport scheme using a quadratic reconstruction on...
Several transport schemes developed for spherical icosahedral grids are based on the piecewise linear approximation. The simplest one among them uses an algorithm where the...- publication PDF
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Longitudinal variations of the nighttime E layer electron density in the auroral zone
Longitudinal variations of the nighttime E layer electron density (21:00–03:00 magnetic local time) in the auroral zone are investigated, and their sources are discussed in...- publication PDF
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Continuous enhancements of electron temperature in the subauroral ionosphere...
We have used measurements of the Defense Meteorological Satellite Program (DMSP) satellites to study variations of electron temperature in the subauroral ionosphere during the...- publication PDF
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Middle atmospheric ozone, nitrogen dioxide and nitrogen trioxide...
Most of our understanding of the atmosphere is based on observations and their comparison with model simulations. In middle atmosphere studies it is common practice to use an...- publication PDF
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An improved representation of rimed snow and conversion to graupel in a...
This paper describes the development of a new multicomponent detailed bin ice microphysics scheme that predicts the number concentration of ice as well as the rime mass mixing...- publication PDF
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Spatial gradients in geomagnetic storm time currents observed by Swarm...
This paper presents a comprehensive study of geomagnetic storm time currents using magnetic field recorded by multispacecraft polar-orbiting mission, Swarm. During geomagnetic...- publication PDF
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The sensitivity of the fitch wind farm parameterization to a...
Wind plant wake impacts can be estimated with a number of simulation methodologies, each with its own fidelity and sensitivity to model inputs. In turbine-free mesoscale...- publication PDF
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The effects of IMF By on the middle thermosphere during a geomagnetically...
Numerical simulations using the National Center for Atmospheric Research (NCAR) thermosphere-ionosphere-electrodynamics general circulation model (TIE-GCM) are performed to...- publication PDF
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A Catalogue of Mass Ejections Observed by the Solar Maximum Mission Coronagraph
The purpose of this publication is to provide a catalogue of coronal mass ejections identified in data from the High Altitude Observatory's coronagraph aboard NASA's Solar...- publication PDF
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First comparison of mesospheric winds measured with a Fabry-Perot...
A Fabry-Perot interferometer (FPI) for mesospheric observations was installed at King Sejong Station in Antarctica in 2017. For the initial validation of the FPI measurements,...- publication PDF
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The role of zonal winds in the production of a pre-reversal enhancement in...
The evolution of the pre-reversal enhancement in the vertical ion drift in the equatorial F region is described via an examination of the current systems determined from a...- publication PDF
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Evidence for ice particles in the tropical stratosphere from in-situ measurements
In-situ ice crystal size distribution measurements are presented within the tropical troposphere and lower stratosphere. The measurements were performed using a combination of a...- publication PDF
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Variability in the mechanisms controlling Southern Ocean phytoplankton bloom...
A coupled global numerical simulation (conducted with the Community Earth System Model) is used in conjunction with satellite remote sensing observations to examine the role of...- publication PDF
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Stratospheric Aerosol Geoengineering could lower future risk of 'Day Zero'...
Anthropogenic forcing of the climate is estimated to have increased the likelihood of the 2015-2017 Western Cape drought, also called 'Day Zero' drought, by a factor of three,...- publication PDF
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On the role of trend and variability in the hydroxyl radical (OH) in the...
Decadal trends and interannual variations in the hydroxyl radical (OH), while poorly constrained at present, are critical for understanding the observed evolution of atmospheric...- publication PDF
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Representing intercell lateral groundwater flow and aquifer pumping in the...
Representation of subsurface hydrology in global land surface models has been advanced but outstanding challenges and opportunities remain, especially in better simulating...- publication PDF
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The formation height of millimeter-wavelength emission in the solar chromosphere
In the past few years, the ALMA radio telescope has become available for solar observations. ALMA diagnostics of the solar atmosphere are of high interest because of the...- publication PDF
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Present-day springtime high-latitude surface albedo as a predictor of...
Simulations by the Community Atmosphere Model (CAM) and 15 other climate models suggest that climate sensitivity is linked to continental middle to high latitude present-day...- publication PDF
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Dryline on 19 June 2002 during IHOP. Part I: Airborne doppler and LEANDRE II...
The evolution and finescale structure of a dryline that initiated a line of thunderstorms is presented. Both the along-line variability and mean vertical structure were examined...- publication PDF
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Development and verification of a new wind speed forecasting system using an...
Wind power is rapidly gaining prominence as a major source of renewable energy. Harnessing this promising energy source is challenging because of the chaotic nature of wind and...- publication PDF
