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What controls the dawnâdusk asymmetry of dayside Alfvénic power:...
Alfvén waves are important carriers of solar wind energy into the Earth's magnetosphere and upper atmosphere. The observed distribution of Alfvénic power at low...- publication PDF
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Modifications and Enhancements to the NCAR Community Climate Model (CCM1)
This report describes the two new unresequenced program libraries created for CCM1 in the early fall, 1988 which incorporate fixes to several bugs that were discovered earlier,...- publication PDF
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Climate of the Upper Air: Southern Hemisphere. Volume 2: Zonal Geostrophic Winds
In this second volume of a four volumes series depicting the upper air climatology of the Southern Hemisphere, harmonic analyses of the wind components in time portray some of...- publication PDF
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On the mixing-driven formation of the Extratropical Transition Layer (ExTL)
We present a case study on the formation and structure of the Extratropical Transition Layer (ExTL) using in situ observations and a Lagrangian chemical transport model. The...- publication PDF
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Diurnal variation of summer rainfall over the Tibetan Plateau and its...
This paper investigates the diurnal variation of summertime precipitation over the Tibetan Plateau and its neighboring areas using the TMPA (TRMM Multi-satellite Precipitation...- publication PDF
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A 49 year hindcast of surface winds over the Iberian Peninsula
The use of hindcast climatic data is quite extended for multiple applications. However, this approach needs the support of a validation process to allow its drawbacks and,...- publication PDF
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Assessment and reduction of the physical parameterization uncertainty for...
The community Noah land surface model with multiparameterization options (Noah-MP) provides a plethora of model configurations with varying complexity for land surface modeling....- publication PDF
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A global perspective on Langmuir turbulence in the ocean surface boundary layer
The turbulent mixing in thin ocean surface boundary layers (OSBL), which occupy the upper 100 m or so of the ocean, control the exchange of heat and trace gases between the...- publication PDF
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Atmospheric submicron aerosol composition and particulate organic nitrate...
The Puijo aerosol-cloud observation station is a unique measurement site for its location in the mixed region between the boreal forestland and the municipality of Kuopio,...- publication PDF
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Insights into tropical tropopause layer processes using global models
The climatology of the Tropical Tropopause Layer (TTL) in two state-of-the-art general circulation models is compared with observations. Results indicate that global models are...- publication PDF
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The impacts of changing Winter Warm Spells on snow ablation over Western...
An increase in winter air temperature can amplify snowmelt and sublimation in mountain regions with implications to water resources and ecological systems. Winter Warm Spells...- publication PDF
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Mesospheric nitric acid enhancements during energetic electron precipitation...
While observed mesospheric polar nitric acid enhancements have been attributed to energetic particle precipitation through ion cluster chemistry in the past, this phenomenon is...- publication PDF
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The path to CAM6: Coupled simulations with CAM5.4 and CAM5.5
This paper documents coupled simulations of two developmental versions of the Community Atmosphere Model (CAM) towards CAM6. The configuration called CAM5.4 introduces new...- publication PDF
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Four-dimensional variational data assimilation of heterogeneous mesoscale...
On 19 September 1996, a squall line stretching from Nebraska to Texas with intense embedded convection moved eastward across the Kansas-Oklahoma area, where special observations...- publication PDF
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Impacts of updraft size and dimensionality on the perturbation pressure and...
This study investigates relationships between vertical velocity, perturbation pressure, updraft size, and dimensionality for cumulus convection. Generalized theoretical...- publication PDF
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Optimizing the temperature sensitivity of the isoprene emission model MEGAN...
Isoprene is a reactive hydrocarbon emitted to the atmosphere in large quantities by terrestrial vegetation. Annual total isoprene emissions exceed 300 Tg a −1 , but...- publication PDF
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Toward predicting changes in the land monsoon rainfall a decade in advance
Predictions of changes of the land monsoon rainfall (LMR) in the coming decades are of vital importance for successful sustainable economic development. Current dynamic models,...- publication PDF
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Evaluation of a new lightning-produced NOx parameterization for cloud...
This parameterization has been tested on the 10 July 1996 Stratospheric-Tropospheric Experiment: Radiation, Aerosols and Ozone (STERAO) storm. Comparisons of the simulated flash...- publication PDF
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Wildland fire detection and monitoring using a drone-collected RGB/IR image dataset
Current forest monitoring technologies including satellite remote sensing, manned/piloted aircraft, and observation towers leave uncertainties about a wildfire's extent,...- publication PDF
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Western U.S. water supply forecasting: A tradition evolves
Since 2011, the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS) and three major river forecasting centers of the National Oceanic and...- publication PDF
