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S-SOM v1.0: A structural self-organizing map algorithm for weather typing
This study proposes a novel structural self-organizing map (S-SOM) algorithm for synoptic weather typing. A novel feature of the S-SOM compared with traditional SOMs is its...- publication PDF
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Interaction between the lower, middle and upper atmosphere
This survey of atmospheric regions is based on a presentation given at the Workshop on Coupling between Earth's Atmosphere and its Plasma Environment. The workshop was sponsored...- publication PDF
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A parameterization of sticking efficiency for collisions of snow and Graupel...
A new parameterization of sticking efficiency for aggregation of ice crystals onto snow and graupel is presented. This parameter plays a crucial role for the formation of ice...- publication PDF
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Aerosol optical depth assimilation for a size-resolved sectional model:...
An aerosol optical depth (AOD) three-dimensional variational data assimilation technique is developed for the Gridpoint Statistical Interpolation (GSI) system for which WRF-Chem...- publication PDF
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Rawinsonde Data Obtained During the Line Islands Experiment
A thorough description of the Line Island Experiments (LIE) and a comprehensive list of the kinds of data collected are presented here. This report presents a detailed...- publication PDF
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Managing climate risks in California: The need to engage resource managers...
In this paper we propose a framework for evaluating how prepared California resource managers are for risks of continued climate change. The framework presented suggests three...- publication PDF
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Anomalously low proton temperatures in solar-wind following interplanetary...
Occasionally, anomalously low values of the solar wind proton temperature Tp are observed when the solar wind velocity Ï is high. A large fraction of such measurements by the...- publication PDF
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Evaluation of PBL parameterizations for modeling surface wind speed during...
This study identifies conditions that determine errors in numerical simulations of 10-m wind speed over moderately complex terrain, emphasizing winds that lead to overhead...- publication PDF
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Robust Bayesian uncertainty analysis of climate system properties using...
A Bayesian uncertainty analysis of 12 parameters of the Bern2.5D climate model is presented. This includes an extensive sensitivity study with respect to the major statistical...- publication PDF
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A Southern Hemisphere sea level pressure-based precursor for ENSO warm and...
Past studies have described large-scale sea level pressure (SLP) variations in the Southern Hemisphere that lead to El Nino-Southern Oscillation (ENSO) warm and cold events (WE...- publication PDF
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Sensitivity of convective cell dynamics and microphysics to model resolution...
The OWLeS IOP2b lake-effect case is simulated using the Weather Research and Forecasting (WRF) Model with a horizontal grid spacing of 148 m (WRF-LES mode). The dynamics and...- publication PDF
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A reduced complexity model for probabilistic risk assessment of groundwater...
We present a model of reduced complexity for assessing the risk of groundwater pollution from a point source. The progress of contamination is represented as a sequence of...- publication PDF
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Magnetic nulls and super-radial expansion in the solar corona
Magnetic fields in the Sun's outer atmosphereâthe coronaâcontrol both solar-wind acceleration and the dynamics of solar eruptions. We present the first clear observational...- publication PDF
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Neutral atmospheres
This paper summarizes the understanding of aeronomy of neutral atmospheres in the solar system, discussing most planets as well as Saturn's moon Titan and comets. The thermal...- publication PDF
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Monitoring and understanding trends in extreme storms: State of knowledge
The state of knowledge regarding trends and an understanding of their causes is presented for a specific subset of extreme weather and climate types. For severe convective...- publication PDF
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High-latitude ionospheric conductivity variability in three dimensions
We perform the first ever global-scale, altitude-dependent analysis of polar ionospheric conductivity variability using spectrally resolved in situ satellite particle...- publication PDF
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Recent evidence for a strengthening COâ sink in the Southern Ocean from...
We present a 13âyear (2002-2015) semimonthly time series of the partial pressure of COâ in surface water (pCOâsurf) and other carbonate system parameters from the Drake...- publication PDF
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CARIB18: A stable geodetic reference frame for geological hazard monitoring...
We have developed a Stable Caribbean Reference Frame 2018 (CARIB18) using long-term continuous observations from 18 continuously operating Global Positioning System (GPS)...- publication PDF
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Accelerating 'fields' by revamping the Cholesky Decomposition
The Geophysical Statistics project group within the Institute for Mathematics Applied to Geosciences (IMAGe) has been making use of Matrix Algebra on GPU and Multicore...- publication PDF
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Influence of stratosphere polar vortex variability on the mesosphere,...
The Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (WACCM-X) is used to investigate the influence of stratosphere polar vortex variability on...- publication PDF
