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Mitigating the impacts of climate nonstationarity on seasonal streamflow...
Seasonal streamflow predictions provide a critical management tool for water managers in the American Southwest. In recent decades, persistent prediction errors for spring and...- publication PDF
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The National Hail Research Experiment: Summer 1971 Summary Report
The National Hail Research Experiment (NHRE) is a cooperative fiveyear research project (FY 1972 to FY 1976), endorsed by the Interdepartmental Committee for Atmospheric...- publication PDF
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Using K-means clustering to detect anomalous file removes
One of the purposes of a data archive is to preserve irreplaceable data for future studies and generations. There are a number of ways that data can be lost from an archive,...- publication PDF
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Experiments of hurricane initialization with airborne doppler radar data for...
Initialization of the hurricane vortex in weather prediction models is vital to intensity forecasts out to at least 48 h. Airborne Doppler radar (ADR) data have sufficiently...- publication PDF
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Modeling snow ablation over the mountains of the western United States:...
When compared with differences in snow accumulation predicted by widely used hydrological models, there is a much greater divergence among otherwise "good" models in their...- publication PDF
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An ensemble approach to investigate tropical cyclone intensification in...
The mechanisms leading to tropical cyclone (TC) intensification amid moderate vertical wind shear can vary from case to case, depending on the vortex structure and the large-...- publication PDF
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Evaluation of global fire simulations in CMIP6 Earth system models
Fire is the primary form of terrestrial ecosystem disturbance on a global scale and an important Earth system process. Most Earth system models (ESMs) have incorporated fire...- publication PDF
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Matrix approach to accelerate spin-up of CLM5
Numerical models have been developed to investigate and understand responses of biogeochemical cycle to global changes. Steady state, when a system is in dynamic equilibrium, is...- publication PDF
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On optimal stability test spacing for assessing snow avalanche conditions
Assessing snow stability requires a holistic approach, relying on avalanche, snowpack and weather observations. Part of this assessment utilizes stability tests, but these tests...- publication PDF
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Development of an intense, warm-core mesoscale vortex associated with the 8...
In this study, the dynamical processes contributing to warm-core meso-β-scale vortex formation associated with the 8 May 2009 "super derecho" are examined utilizing two...- publication PDF
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Transition and equilibration of neutral atmospheric boundary layer flow in...
The Weather Research and Forecasting Model permits finescale large-eddy simulations (LES) to be nested within coarser simulations, an approach that can generate more accurate...- publication PDF
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A one-step-ahead ensemble Kalman smoothing approach toward estimating the...
In this study, a one-step-ahead ensemble Kalman smoother (EnKS) is introduced for the purposes of parameter estimation. The potential for this system to provide new constraints...- publication PDF
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Modeling of multiple effects of atmospheric tides on the ionosphere: An...
A number of recent studies have highlighted the observational evidence for a coupling between atmospheric tides in the thermosphere and the electron density structure of the...- publication PDF
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A comparison of PMIP2 model simulations and the MARGO proxy reconstruction...
Results from multiple model simulations are used to understand the tropical sea surface temperature (SST) response to the reduced greenhouse gas concentrations and large...- publication PDF
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First simultaneous multistation observations of the polar cap thermospheric winds
Based on two northern (Eureka 80.0 degrees N, 85.9 degrees W, magnetic latitude (MLAT) 88, and Resolute 74.7 degrees N, 94.8 degrees W, MLAT 83) and one southern (Jang Bogo 74.7...- publication PDF
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Short-term variation of the s = 1 nonmigrating semidiurnal tide during the...
In this study, the NCAR Thermosphere Ionosphere Mesosphere Electrodynamics General Circulation Model (TIME-GCM) is used to examine short-term changes in the global structure of...- publication PDF
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The Seasonal-to-Multiyear Large Ensemble (SMYLE) prediction system using the...
The potential for multiyear prediction of impactful Earth system change remains relatively underexplored compared to shorter (subseasonal to seasonal) and longer (decadal)...- publication PDF
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Vertical structure of ocean mesoscale eddies with implications for...
The Gent-McWilliams parameterization is commonly used in global ocean models to model the advective component of tracer transport effected by unresolved mesoscale eddies. The...- publication PDF
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Understanding nighttime ionospheric depletions associated with sudden...
This study focuses on understanding what drives the previously observed deep nighttime ionospheric hole in the American sector during the January 2013 sudden stratospheric...- publication PDF
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Determination of the atmospheric lifetime and global warming potential of...
We have used the Whole Atmosphere Community Climate Model (WACCM), with an updated treatment of loss processes, to determine the atmospheric lifetime of sulfur hexafluoride...- publication PDF