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The polar summer tropopause inversion layer
Temperature profiles in polar latitudes during summer reveal a strong and persistent inversion layer associated with the polar summer tropopause. This inversion layer is...- publication PDF
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Understanding the atmosphere through radio occultation:Second...
The second FORMOSAT-3/COSMIC data users workshop was held at the University Corporation for Atmospheric Research, in Boulder, Colo., and was attended by more than 100...- publication PDF
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Local insolation drives Afro-Asian monsoon at orbital-scale in Holocene
Insolation changes play an important role in driving monsoon changes at orbital time scales. One key issue that has remained outstanding is whether the Asian monsoon is driven...- publication PDF
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A revised approach to ice-microphysical processes for the bulk...
A revised approach to cloud microphysical processes in a commonly used bulk microphysics parameterization and the importance of correctly representing properties of cloud ice...- publication PDF
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Mobile doppler radar observations of a tornado in a supercell near Bassett,...
This is Part II of a paper detailing an analysis of high-resolution wind and reflectivity data collected by a mobile, W-band Doppler radar; the analysis depicts the near-surface...- publication PDF
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Insights into Earth's energy imbalance from multiple sources
The current Earth's energy imbalance (EEI) can best be estimated from changes in ocean heat content (OHC), complemented by top-of-atmosphere (TOA) radiation measurements and an...- publication PDF
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Impact of the Green Light Program on haze in the North China Plain, China
As the world's largest developing country, China has undergone ever-increasing demand for electricity during the past few decades. In 1996, China launched the Green Light...- publication PDF
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Short-term photovoltaic power forecasting using Artificial Neural Networks...
A methodology based on Artificial Neural Networks (ANN) and an Analog Ensemble (AnEn) is presented to generate 72 h deterministic and probabilistic forecasts of power generated...- publication PDF
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Tropical cyclone sensitivities to CO2 doubling: Roles of atmospheric...
Responses of tropical cyclones (TCs) to CO2 doubling are explored using coupled global climate models (GCMs) with increasingly refined atmospheric/land horizontal grids (~â200...- publication PDF
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Pollution transport from North America to Greenland during summer 2008
Ozone pollution transported to the Arctic is a significant concern because of the rapid, enhanced warming in high northern latitudes, which is caused, in part, by short-lived...- publication PDF
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Voronoi, Delaunay, and block-structured mesh refinement for solution of the...
Alternative meshes of the sphere and adaptive mesh refinement could be immensely beneficial for weather and climate forecasts, but it is not clear how mesh refinement should be...- publication PDF
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A gridded solar irradiance ensemble prediction system based on WRF-solar EPS...
The WRF-Solar Ensemble Prediction System (WRF-Solar EPS) and a calibration method, the analog ensemble (AnEn), are used to generate calibrated gridded ensemble forecasts of...- publication PDF
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Climatology of the middle atmosphere in LMDz: Impact of source-related...
Gravity wave (GW) parameterizations control the mean state and variability of the middle atmosphere in present-day climate models. The most recent parameterizations relate the...- publication PDF
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National Center for Atmospheric Research storage accounting and analysis...
While most high-performance computing system operators diligently track computing usage and utilization on a job-by-job basis, far fewer sites have implemented mechanisms for...- publication PDF
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The role of fuel characteristics and heat release formulations in coupled...
In this study, we focus on the effects of fuel bed representation and fire heat and smoke distribution in a coupled fire-atmosphere simulation platform for two landscape-scale...- publication PDF
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Extreme ozone loss following nuclear war results in enhanced surface...
For the first time, we use a modern climate model with interactive chemistry including the effects of aerosols on photolysis rates to simulate the consequences of regional and...- publication PDF
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A terrain-following coordinate with smoothed coordinate surfaces
An alternative form for a height-based terrain-following coordinate is presented here that progressively smoothes the coordinate surfaces with height to remove smaller scale...- publication PDF
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Mid-latitude ionospheric response to a weak geomagnetic activity event...
Salient depletions (30%-40% of the reference values) were observed in the vertical total electron content (VTEC) from the Global Navigation Satellite System (GNSS) network and...- publication PDF
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The double tropopause and its dynamical relationship to the tropopause...
Using High Resolution Dynamic Limb Sounder observations and ERA-Interim reanalysis this study demonstrates that the warm conveyor belt (WCB) is a mechanism responsible for the...- publication PDF
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Upscale feedback of tropical synoptic variability to intraseasonal...
Analysis of observational data suggests two-way interactions between the tropical intraseasonal oscillation (ISO) and synoptic-scale variability (SSV). On one hand, SSV is...- publication PDF