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A simple model of ozone-temperature coupling in the tropical lower stratosphere
Observations show strong correlations between large-scale ozone and temperature variations in the tropical lower stratosphere across a wide range of timescales. We quantify this...- publication PDF
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Assessment of online water-soluble brown carbon measuring systems for...
Brown carbon (BrC) consists of particulate organic species that preferentially absorb light at visible and ultraviolet wavelengths. Ambient studies show that as a component of...- publication PDF
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Extended-range probabilistic forecasts of Ganges and Brahmaputra floods in Bangladesh
A new ensemble prediction scheme was developed for probabilistic flood forecasting in Bangladesh. Skill is found to 10-15 days. In 2007-8 it was used to evacuate people along...- publication PDF
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Consequences of 1.5 °C and 2 °C global warming levels for temperature and...
Discriminating climate impacts between 1.5 degrees C and 2 degrees C warming levels is particularly important for Central Africa, a vulnerable region where multiple biophysical,...- publication PDF
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Process-model simulations of cloud albedo enhancement by aerosols in the Arctic
A cloud-resolving model is used to simulate the effectiveness of Arctic marine cloud brightening via injection of cloud condensation nuclei (CCN), either through geoengineering...- publication PDF
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Emulating and calibrating the multiple-fidelity Lyon-Fedder-Mobarry...
The Lyon-Fedder-Mobarry global magnetosphere–ionosphere coupled model LFM-MIX is used to study Sun–Earth interactions by simulating geomagnetic storms. This work focuses on...- publication PDF
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Getting Set Up
This guide is the second in a series of user guides entitled Introduction to the NCAR Scientific Computing Division. Its purpose is to prepare you for your visit to NCAR and to...- publication PDF
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A Monge-Ampère enhancement for semi-Lagrangian methods
Demanding the compatibility of semi-Lagrangian trajectory schemes with the fundamental Euler expansion formula leads to the Monge-Ampère (MA) nonlinear second-order partial...- publication PDF
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Spatiotemporal patterns of changes in maximum and minimum temperatures in...
This paper analyzes and attributes spatial and temporal patterns of changes in the diurnal cycle of land surface air temperature in 20 simulations from 11 global coupled...- publication PDF
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End-to-end modeling of the solar terrestrial system
Traditionally modeling for space science has concentrated on developing simulations for individual components of the solar terrestrial system. In reality these regions are...- publication PDF
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Projected changes of extreme weather events in the eastern United States...
This study is the first evaluation of dynamical downscaling using the Weather Research and Forecasting (WRF) Model on a 4 km × 4 km high resolution scale in the eastern US...- publication PDF
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Rapid mixed layer deepening by the combination of Langmuir and shear...
Langmuir circulation (LC) is a turbulent upper-ocean process driven by wind and surface waves that contributes significantly to the transport of momentum, heat, and mass in the...- publication PDF
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Ensemble-variational integrated localized data assimilation
Hybrid variational ensemble data assimilation (hybrid DA) is widely used in research and operational systems, and it is considered the current state of the art for the...- publication PDF
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Snowflake size spectra retrieved from a UHF vertical profiler
This paper develops a technique for retrieving snowflake size distributions (SSDs) from a vertically pointing 915-MHz vertical profiler. Drop size distributions (DSDs) have been...- publication PDF
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Hydrocarbons in the upper troposphere and lower stratosphere observed from...
Satellite measurements from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) are used to examine the global, seasonal variations of several...- publication PDF
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Chemical transport models often underestimate inorganic aerosol acidity in...
The inorganic fraction of fine particles affects numerous physicochemical processes in the atmosphere. However, there is large uncertainty in its burden and composition due to...- publication PDF
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Exploring a variable-resolution approach for simulating regional climate in...
The reliability of climate simulations and projections, particularly in the regions with complex terrains, is greatly limited by the model resolution. In this study we evaluate...- publication PDF
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Diagnosing the influence of a receding snow boundary on simulated...
Previous research has found a relationship between the equatorward extent of snow cover and low-level baroclinicity, suggesting a link between the development and trajectory of...- publication PDF
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The solar-like CoRoT target HD 170987: Spectroscopic and seismic observations
Context. The CoRoT mission is in its third year of observation and the data from the second long run in the galactic centre direction are being analysed. The solar-like...- publication PDF
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Atmospheric water vapor and geoid measurements in the open ocean with GPS
We have conducted two experiments to determine precipitable water vapor (PWV) and sea surface heights from a cruising ship in the open ocean. During the first experiment (July...- publication PDF
