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The Community Climate System Model
The Community Climate System Model (CCSM) has been created to represent the principal components of the climate system and their interactions. Development and applications of...- publication PDF
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Increasing the skill of probabilistic forecasts: Understanding performance...
Four model-error schemes for probabilistic forecasts over the contiguous United States with the WRF-ARW mesoscale ensemble system are evaluated in regard to performance....- publication PDF
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A preliminary investigation of boundary layer effects on daytime CO₂...
Observations of CO₂ concentration at a mountaintop in the Colorado Rockies in summer show a large diurnal variability with minimum CO₂ concentrations found between 10:00 and...- publication PDF
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Global investigation of the Mg atom and ion layers using SCIAMACHY/Envisat...
Mg and Mg+ concentration fields in the upper mesosphere/lower thermosphere (UMLT) region are retrieved from SCIAMACHY/Envisat limb measurements of Mg and Mg+ dayglow emissions...- publication PDF
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A spatial model to examine rainfall extremes in Colorado's Front Range
Between 9th and 16th September 2013, northeast Colorado received some of its most extreme rainfall on record. The event affected 6 major rivers and their tributaries and 14...- publication PDF
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Solar physics from unconventional viewpoints
We explore new opportunities for solar physics that could be realized by future missions providing sustained observations from vantage points away from the Sun-Earth line. These...- publication PDF
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Some pitfalls in statistical downscaling of future climate
Statistical downscaling is generally successful and used widely to refine projections of future climate, though in some circumstances it can lead to highly erroneous results.- publication PDF
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Adapting the MPAS dynamical core for applications extending into the thermosphere
To extend the nonhydrostatic global Model for Prediction Across Scales (MPAS) for deep-atmosphere (geospace) applications, we have modified the model equations and numerics to...- publication PDF
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Analysis of improvements in MOPITT observational coverage over Canada
The Measurements of Pollution in the Troposphere (MOPITT) satellite instrument has been measuring global tropospheric carbon monoxide (CO) since March 2000, providing the...- publication PDF
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A three-dimensional Babcock-Leighton solar dynamo model
We present a three-dimensional (3D) kinematic solar dynamo model in which poloidal field is generated by the emergence and dispersal of tilted sunspot pairs (more generally...- publication PDF
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Mountain-wave turbulence in the presence of directional wind shear over the...
Mountain-wave turbulence in the presence of directional wind shear over the Rocky Mountains in Colorado is investigated. Pilot reports (PIREPs) are used to select cases in which...- publication PDF
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WRF gray-zone simulations of precipitation over the Middle-East and the UAE:...
This article does not have an abstract or article summary.- publication PDF
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The representation of the TTL in a tropical channel version of the WRF model
In this study, the Weather Research Forecast (WRF) model is used to investigate key physical processes controlling the Tropical Tropopause Layer (TTL) temperature and water...- publication PDF
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Realizing a terrestrial reference frame using the Global Positioning System
We describe a terrestrial reference frame (TRF) realization based on Global Positioning System (GPS) data alone. Our approach rests on a highly dynamic, long-arc (9 day)...- publication PDF
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Aura/MLS observes and SD-WACCM-X simulates the seasonality, quasi-biennial...
This work uses 17 years of upper mesospheric carbon monoxide (CO) and temperature observations by the microwave limb sounder (MLS) on-board the Aura satellite to present and...- publication PDF
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"Gray Zone" simulations using a three-dimensional planetary boundary layer...
Generating accurate weather forecasts of planetary boundary layer (PBL) properties is challenging in many geographical regions, oftentimes due to complex topography or...- publication PDF
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Testing the fidelity of methods used in proxy-based reconstructions of past climate
Two widely used statistical approaches to reconstructing past climate histories from climate "proxy" data such as tree rings, corals, and ice cores are investigated using...- publication PDF
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Monotonic limiters for a second-order finite-volume advection scheme using...
An assessment of a recently developed (by Miura) second-order numerical advection scheme for icosahedral-hexagonal grids on the sphere is presented, and the effects of monotonic...- publication PDF
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Satellite radiance data assimilation for binary tropical cyclone cases over...
A total of three binary tropical cyclone (TC) cases over the Western North Pacific are selected to investigate the effects of satellite radiance data assimilation on analyses...- publication PDF
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Radial transport versus local acceleration: The long-standing debate
On 28 July 2021, within the Geospace Environment Modeling Virtual Summer Workshop, a joint panel discussion organized by the "System Understanding of Radiation Belt Particle...- publication PDF
