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Emission estimates of HCFCs and HFCs in California from the 2010 CalNex study
The CalNex 2010 (California Research at the Nexus of Air Quality and Climate Change) study was designed to evaluate the chemical composition of air masses over key source...- publication PDF
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Incoherent scatter radar measurements and modeling of high-latitude solar...
A 9-year database of sunlit E region electron density altitude profiles (N-e(z)) measured by the Sondrestrom incoherent scatter radar (ISR) has been partitioned over a parameter...- publication PDF
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Projections of human exposure to dangerous heat in African cities under...
Human exposure to dangerous heat, driven by climatic and demographic changes, is increasing worldwide. Being located in hot regions and showing high rates of urban population...- publication PDF
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D-region ion-neutral coupled chemistry (Sodankylä Ion Chemistry, SIC)...
This study presents a new ion-neutral chemical model coupled into the Whole Atmosphere Community Climate Model (WACCM). The ionospheric D-region (altitudes similar to 50-90 km)...- publication PDF
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Mixed-phase clouds cause climate model biases in Arctic wintertime...
Temperature inversions are a common feature of the Arctic wintertime boundary layer. They have important impacts on both radiative and turbulent heat fluxes and partly determine...- publication PDF
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Nature of the mesoscale boundary layer height and water vapor variability...
Mesoscale water vapor heterogeneities in the boundary layer are studied within the context of the International HâO Project (IHOP_2002). A significant portion of the water...- publication PDF
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A constant pressure upper boundary formulation for models employing...
For the numerical simulation of atmospheric flows that extend as high as the thermosphere, it is more appropriate to represent the upper boundary of the model domain as a...- publication PDF
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Generative and interpretable machine learning for aptamer design and...
Selection protocols such as SELEX, where molecules are selected over multiple rounds for their ability to bind to a target of interest, are popular methods for obtaining binders...- publication PDF
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Comparison of Effective Radiative Forcing Calculations Using Multiple...
We compare six methods of estimating effective radiative forcing (ERF) using a set of atmosphere-ocean general circulation models. This is the first multiforcing agent,...- publication PDF
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Aerosol effects on idealized supercell thunderstorms in different environments
Idealized supercell thunderstorms are simulated with the Weather Research and Forecasting (WRF) Model at 15 cloud condensation nuclei (CCN) concentrations (100-10 000 cmâ»Â³)...- publication PDF
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Machine learning-based detection of weather fronts and associated extreme...
Extreme precipitation events, including those associated with weather fronts, have wide-ranging impacts across the world. Here we use a deep learning algorithm to identify...- publication PDF
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Simultaneous three-dimensional variational assimilation of surface fine...
Total 550 nm aerosol optical depth (AOD) retrievals from Moderate Resolution Imaging Spectroradiometer (MODIS) sensors and surface fine particulate matter (PM2.5) observations...- publication PDF
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Deep-learning-based gridded downscaling of surface meteorological variables...
Statistical downscaling (SD) derives localized information from larger-scale numerical models. Convolutional neural networks (CNNs) have learning and generalization abilities...- publication PDF
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Niwot Ridge Remote Meteorological Data Acquisition Station
NCAR maintains a self-powered, automatic, meteorological data acquisition station on the Niwot Ridge (12,300 ft elevation) of the Continental Divide, approximately 12 mi...- publication PDF
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Temperature Control of Balloon Packages
The following report is a general guide of thermal packaging for ballooning. Since the electronics and battery power supply of the Interrogation Recording and Location Subsystem...- publication PDF
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Vertically resolved convective-stratiform echo-type identification and...
Using data from the airborne HIAPER Cloud Radar (HCR), a partitioning algorithm (ECCO-V) that provides vertically resolved convectivity and convective versus stratiform radar-...- publication PDF
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The Organization of Tropical East Pacific Convection (OTREC) field...
Studying convection, which is one of the least understood physical mechanisms in the tropical atmosphere, is very important for weather and climate predictions of extreme events...- publication PDF
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Effects of different stratospheric SO2 injection altitudes on stratospheric...
Strategically applied geoengineering is proposed to reduce some of the known side effects of stratospheric aerosol modifications. Specific climate goals could be reached...- publication PDF
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Evaluation of WRF model output for severe-weather forecasting from the 2008...
This study assesses forecasts of the preconvective and near-storm environments from the convection-allowing models run for the 2008 National Oceanic and Atmospheric...- publication PDF
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Improving signal statistics using a regression ground clutter filter. Part...
Ground clutter filtering is an important and necessary step for quality control of ground-based weather radars. In this paper, ground clutter mitigation is addressed using a...- publication PDF
