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Disaster vulnerability hotspots in the Portland metro-region: Converging...
As climate-related extreme events intensify across the globe, governments, practitioners, and communities have focused on reducing vulnerability and building resilience....- publication PDF
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Evaluating and enhancing snow compaction process in the Noah-MP land surface model
The accuracy of snow density in land surface model (LSM) simulations impacts the accuracy of simulated terrestrial water and energy budgets. However, there has been little...- publication PDF
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Severe weather prediction using storm surrogates from an ensemble forecasting system
Probabilistic severe weather forecasts for days 1 and 2 were produced using 30-member convection-allowing ensemble forecasts initialized by an ensemble Kalman filter data...- 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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Evaluating different techniques for constraining lower atmospheric...
We analyze the effects specified dynamics (SD) and 4D Tendency nudging have on accurately reproducing the middle and upper atmospheric variability induced by the 2010 sudden...- publication PDF
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Hemispheric asymmetry of the annual and semiannual variation of...
We examine hemispheric asymmetry of the annual and semiannual variation of the ratio of O and N-2 concentrations (O/N-2) using observations by the Global Ultraviolet Imager...- publication PDF
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Performance of the Vaisala RS80 A/H and RS90 Humicap sensors and the...
In climate research there is a strong need for accurate observations of water vapor in the upper atmosphere. Radiosoundings provide relative humidity profiles but the accuracy...- publication PDF
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A solar mean field dynamo benchmark
Context. The solar magnetic activity and cycle are linked to an internal dynamo. Numerical simulations are an efficient and accurate tool to investigate such intricate dynamical...- publication PDF
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Ionosphere state and parameter estimation using the Ensemble Square Root...
In the present paper we discuss the setup and the results of series of numerical experiments aiming to recover the E â Ã B â plasma drift and neutral wind velocities using...- publication PDF
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Characterization of coarse particulate matter in the western United States:...
We provide a regional characterization of coarse particulate matter (PM10-2.5) spanning the western United States based on the analysis of measurements from 50 sites reported in...- publication PDF
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Assessment of the High-Resolution Rapid Refresh Model's ability to predict...
An object-based verification technique that keys off the radar-retrieved vertically integrated liquid (VIL) is used to evaluate how well the High-Resolution Rapid Refresh (HRRR)...- publication PDF
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Assimilation of semi-qualitative sea ice thickness data with the EnKF-SQ: A...
A newly introduced stochastic data assimilation method, the Ensemble Kalman Filter Semi-Qualitative (EnKF-SQ) is applied to a realistic coupled ice-ocean model of the Arctic,...- publication PDF
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Atmospheric wake of Madeira: First aerial observations and numerical simulations
The island of Madeira is well known for giving rise to atmospheric wakes. Strong and unsteady atmospheric wakes, resembling a von Kármán vortex street, are frequently observed...- publication PDF
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Global Distribution of Total Cloud Cover and Cloud Type Amounts Over the Ocean
This is the fourth of a series of atlases to result from a study of the global cloud distribution from ground-based observations. The first two atlases (NCAR/TN-201+STR and...- publication PDF
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Oneâatâaâtime parameter perturbation ensemble of the Community Land...
Comprehensive land models are subject to significant parametric uncertainty, which can be hard to quantify due to the large number of parameters and high model computational...- publication PDF
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The Juneau Terrain-Induced Turbulence Alert System
The Juneau, Alaska, airport vicinity experiences frequent episodes of moderate and severe turbulence, which affect arriving and departing air traffic. The Federal Aviation...- publication PDF
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On the parameter dependence of the whistler anisotropy instability
The evolution of the whistler anisotropy instability relevant to whistler-mode chorus waves in the Earth's inner magnetosphere is studied using kinetic simulations and is...- publication PDF
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Expert assessment of vulnerability of permafrost carbon to climate change
Approximately 1700 Pg of soil carbon (C) are stored in the northern circumpolar permafrost zone, more than twice as much C than in the atmosphere. The overall amount, rate, and...- publication PDF
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The NOx dependence of bromine chemistry in the Arctic atmospheric boundary layer
Arctic boundary layer nitrogen oxides (NOx = NO2 + NO) are naturally produced in and released from the sunlit snowpack and range between 10 to 100 pptv in the remote background...- publication PDF
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A new MHD-assisted stokes inversion technique
We present a new method of Stokes inversion of spectropolarimetric data and evaluate it by taking the example of a SUNRISE/IMaX observation. An archive of synthetic Stokes...- publication PDF
