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Alfvénic heating in the cusp ionosphere-thermosphere
The effect of electromagnetic variability on cusp-region ionosphere-thermosphere heating is examined. The study is motivated by observed correlations between anomalous...- publication PDF
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A multimodel study of parametric uncertainty in predictions of climate...
One tool for studying uncertainties in simulations of future climate is to consider ensembles of general circulation models where parameterizations have been sampled within...- publication PDF
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Global simulations of ice nucleation and ice supersaturation with an...
A process-based treatment of ice supersaturation and ice nucleation is implemented in the National Center for Atmospheric Research Community Atmosphere Model (CAM). The new...- publication PDF
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Assessing and improving Noah-MP land model simulations for the central...
The Tibetan Plateau (TP) region experiences strong land-atmosphere interactions, and as an elevated heating source, significantly influences the formation of the Asian monsoon....- publication PDF
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A weakened AMOC may prolong greenhouse gas-induced Mediterranean drying even...
The Mediterranean region has been identified as a climate hot spot, with models projecting a robust warming and rainfall decline in response to increasing greenhouse gases. The...- publication PDF
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Long-term variability and trends in the Agulhas Leakage and its impacts on...
Agulhas Leakage transports relatively warm and salty Indian Ocean waters into the Atlantic Ocean and as such is an important component of the global ocean circulation. These...- publication PDF
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The NCAR Dropsonde Program
This document outlines the objectives and program design of the National Center for Atmospheric Research (NCAR) dropsonde program. As part of the program, several sondes will be...- publication PDF
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Sensitivity of burned area and fire radiative power predictions to...
Predicting the evolution of burned area, smoke emissions, and energy release from wildfires is crucial to air quality forecasting and emergency response planning yet has long...- publication PDF
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Separating emission and meteorological drivers of mid-21st-century air...
Many Indian metropolitan areas currently suffer from severe air pollution such as PM2.5, which might continue into future decades, dependent on the trends in emission growth and...- publication PDF
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Strong sub-seasonal wintertime cooling over East Asia and Northern Europe...
East Asia experienced a record-breaking cold event during the 2015/16 boreal winter, with pronounced impacts on livelihood in the region. We find that this large-scale cold...- publication PDF
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Evaluating the large-scale hydrological cycle response within the Pliocene...
The mid-Pliocene (similar to 3 Ma) is one of the most recent warm periods with high CO2 concentrations in the atmosphere and resulting high temperatures, and it is often cited...- publication PDF
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Atlas of Simultaneous Occurrence of Different Cloud Types Over Land
This is the second atlas in a series of four atlases from a study of the global cloud distribution from ground-based observations. The atlas covers cloud observations over the...- publication PDF
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Instability and breakdown of a vertical vortex pair in a strongly stratified fluid
The dynamics of a counter-rotating pair of columnar vortices aligned parallel to a stable density gradient are investigated. By means of numerical simulation, we extend the...- publication PDF
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The structure for unifying multiple modeling alternatives (SUMMA), Version...
This note describes the conservation equations and flux parameterizations used in the Structure for Unifying Multiple Modeling Alternatives (SUMMA). The processes considered...- publication PDF
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An ozone depletion event in the sub-arctic layer over Hudson Bay, Canada
During the Tropospheric Ozone Production about the Spring Equinox (TOPSE) program, aircraft flights during April 7-11, 2000 revealed a large area air mass capped below -500 m...- publication PDF
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Sources of water vapor and their effects on water isotopes in precipitation...
Climate records of ratios of stable water isotopes of oxygen (delta O-18) are used to reconstruct the past Indian monsoon precipitation. Identifying the sources of water vapor...- publication PDF
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The MUMBA campaign: measurements of urban, marine and biogenic air
The Measurements of Urban, Marine and Biogenic Air (MUMBA) campaign took place in Wollongong, New South Wales (a small coastal city approximately 80 km south of Sydney,...- publication PDF
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A total energy error analysis of dynamical cores and physics-dynamics...
A closed total energy (TE) budget is of utmost importance in coupled climate system modeling; in particular, the dynamical core or physics-dynamics coupling should ideally not...- publication PDF
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Evaluating the impact of emissions regulations on the emissions reduction...
In order to guarantee good air quality for the 15th International Association of Athletics Federations World Championships (22-30 August) and the China Victory Day parade (3...- publication PDF
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Rotating turbulence under "precession-like" perturbation
The effects of changing the orientation of the rotation axis on homogeneous turbulence is considered. We perform direct numerical simulations on a periodic box of 10243 grid...- publication PDF