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Environmental drivers of drought deciduous phenology in the Community Land Model
Seasonal changes in plant leaf area have a substantial impact on global climate. The presence of leaves and the time when they appear affect surface roughness and albedo, and...- publication PDF
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Evaluating winter orographic cloud seeding: Design of the Wyoming Weather...
An overview of the Wyoming Weather Modification Pilot Project (WWMPP) is presented. This project, funded by the State of Wyoming, is designed to evaluate the effectiveness of...- publication PDF
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Climate model projections from the Scenario Model Intercomparison...
The Scenario Model Intercomparison Project (ScenarioMIP) defines and coordinates the main set of future climate projections, based on concentration-driven simulations, within...- publication PDF
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Comparing different generations of idealized solar geoengineering...
Solar geoengineering has been receiving increased attention in recent years as a potential temporary solution to offset global warming. One method of approximating global-scale...- publication PDF
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Chasing snowstorms: The investigation of microphysics and precipitation for...
The Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) is a NASA-sponsored field campaign to study wintertime snowstorms...- publication PDF
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Role of perturbing ocean initial condition in simulated regional sea level change
Multiple lines of observational evidence indicate that the global climate has been getting warmer since the early 20th century. This warmer climate has led to a global mean sea...- publication PDF
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Advancing unmanned aerial capabilities for atmospheric research
A meeting report on the Sixth International Society for Atmospheric Research Using Remotely Piloted Aircraft Conference which took place 9-12 July, 2018 in Boulder, Colorado....- publication PDF
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Advancing solar and heliospheric science through the ongoing development and...
This paper outlines the necessity for the availability, accessibility, and expansion of atomic physics data and analysis tools for the meaningful interpretation of spectroscopic...- publication PDF
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Rapidly expanding nuclear arsenals in Pakistan and India portend regional...
Pakistan and India may have 400 to 500 nuclear weapons by 2025 with yields from tested 12- to 45-kt values to a few hundred kilotons. If India uses 100 strategic weapons to...- publication PDF
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Optimized multiplicative, additive, and restricted additive Schwarz preconditioning
We demonstrate that a small modification of the multiplicative, additive, and restricted additive Schwarz preconditioner at the algebraic level, motivated by optimized Schwarz...- publication PDF
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Snow growth and transport patterns in orographic storms as estimated from...
Airborne vertical-plane dual-Doppler cloud radar data, collected on wind-parallel flight legs over a mountain in Wyoming during 16 winter storms, are used to analyze the growth,...- publication PDF
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Enhancement of land surface information and its impact on atmospheric...
With increasing computational resources, atmospheric/environmental models continue to run at finer-grid spacing that can resolve land surface characteristics, such as...- publication PDF
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Phase speed of magnetized Rossby waves that cause solar seasons
Motivated by recent analysis of solar observations that show evidence of propagating Rossby waves in coronal holes and bright points, we compute the longitudinal phase...- publication PDF
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Coherent region-, species-, and frequency-dependent local climate signals in...
Patterns of correlation between tree rings and local temperature or precipitation are investigated using 762 International Tree-Ring Data Bank standardized ring width site...- publication PDF
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Sq and EEJâA review on the daily variation of the geomagnetic field caused...
A record of the geomagnetic field on the ground sometimes shows smooth daily variations on the order of a few tens of nano teslas. These daily variations, commonly known as Sq,...- publication PDF
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First characterization and validation of FORLI-HNO3 vertical profiles...
Knowing the spatial and seasonal distributions of nitric acid (HNO3) around the globe is of great interest and allows us to comprehend the processes regulating stratospheric...- publication PDF
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Impacts of biogenic emissions on photochemical ozone production in Houston, Texas
A regional chemical transport model (CTM) has been employed to assess the influence of biogenic emissions on ozone (Oâ) formation in Houston, Texas during an eight-day episode...- publication PDF
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Mesopause structure from Thermosphere, Ionosphere, Mesosphere, Energetics,...
Thermosphere, Ionosphere, Mesosphere, Energetics, and Dynamics (TIMED)/Sounding of the Atmosphere Using Broadband Emission Radiometry (SABER) temperature observations are used...- publication PDF
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Abrupt regime shifts in the North Atlantic atmospheric circulation over the...
We analyze modeling results of the North Atlantic atmospheric winter circulation from a transient climate simulation over the last 21,000 years. In agreement with previous...- publication PDF
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Perturbing parameters to understand cloud contributions to climate change
The sensitivity of cloud feedbacks to atmospheric model parameters is evaluated using a CAM6 perturbed parameter ensemble (PPE). The CAM6 PPE perturbs 45 parameters across 262...- publication PDF
