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Near-global variability of stratospheric water vapor observed by SAGE III/ISS
The Stratospheric Aerosol and Gas Experiment III instrument on the International Space Station (SAGE III/ISS) has been making high quality solar occultation measurements of...- publication PDF
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Stratospheric contribution to the summertime high surface ozone events over...
The stratospheric influence on summertime high surface ozone (O-3) events is examined using a twenty-year simulation from the Whole Atmosphere Community Climate Model. We find...- publication PDF
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Implications for atmospheric dynamics derived from global observations of...
In this work absolute values of gravity wave (GW) momentum flux are derived from global temperature measurements by the satellite instruments High Resolution Dynamics Limb...- publication PDF
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Measurements of HNoâ and NâOâ using ion drift-chemical ionization mass...
An ion drift-chemical ionization mass spectrometer (ID-CIMS) was deployed in Mexico City between 7 and 31 March to measure gas-phase nitric acid (HNOâ) and dinitrogen...- publication PDF
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Severe convectively induced turbulence hitting a passenger aircraft and its...
Atmospheric turbulence poses a major risk to aviation. Besides airframe damage, it can cause injuries of passengers and crew when encountered unexpectedly. The Singapore...- publication PDF
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Deep learning forecast uncertainty for precipitation over the western United States
Reliably quantifying uncertainty in precipitation forecasts remains a critical challenge. This work examines the application of a deep learning (DL) architecture, Unet, for...- publication PDF
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Contrasting aerosol refractive index and hygroscopicity in the inflow and...
We examine three case studies during the Deep Convective Clouds and Chemistry (DC3) field experiment when storm inflow and outflow air were sampled for aerosol subsaturated...- publication PDF
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Easterly wave contributions to seasonal rainfall over the tropical Americas...
Easterly waves (EWs) are important moisture carriers and their variability can impact the total May-November rainfall, defined as seasonal precipitation, over the Tropical...- publication PDF
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Turbulent cascades, transfer, and scale interactions in magnetohydrodynamics
The nature of the interactions between different scales in magneto-hydrodynamic (MHD) turbulence is important for the understanding of the behaviour of magnetized astrophysical,...- publication PDF
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Radar scattering from ice aggregates using the horizontally aligned oblate...
The assumed relationship between ice particle mass and size is profoundly important in radar retrievals of ice clouds, but, for millimeter-wave radars, shape and preferred...- publication PDF
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Impacts of Arctic sea ice on cold season atmospheric variability and trends...
To examine the atmospheric responses to Arctic sea ice variability in the Northern Hemisphere cold season (from October to the following March), this study uses a coordinated...- publication PDF
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Covariance tapering for likelihood-based estimation in large spatial data sets
Maximum likelihood is an attractive method of estimating covariance parameters in spatial models based on Gaussian processes. But calculating the likelihood can be...- publication PDF
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Coupled chemistry climate model simulations of the solar cycle in ozone and...
The 11-year solar cycles in ozone and temperature are examined using new simulations of coupled chemistry climate models. The results show a secondary maximum in stratospheric...- publication PDF
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The Network for the Detection of Atmospheric Composition Change (NDACC):...
The Network for the Detection of Atmospheric Composition Change (NDACC) is an international global network of more than 90 stations making high-quality measurements of...- publication PDF
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Interpolating fields of carbon monoxide data using a hybrid...
These are supplemental notes on the derivations of the conditional distributions appearing in the paper: Interpolating Fields of Carbon Monoxide Data Using a Hybrid Statistical-...- publication PDF
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Effects of time step size on the simulation of tropical climate in NCAR-CAM3
This paper describes the effects of time step on the simulation of tropical climate in the NCAR-Community Atmosphere Model version 3 (CAM3). A set of multi-year integrations are...- publication PDF
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High-resolution large-eddy simulations of flow in the complex terrain of the...
Improving the calculation of land-atmosphere fluxes of heat and water vapor in mountain terrain requires better resolution of thermally driven diurnal winds (i.e., valley, slope...- 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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The seasonal cycle and interannual variability in stratospheric temperatures...
Previous studies have shown that lower-stratosphere temperatures display a near-perfect cancellation between tropical and extratropical latitudes on both annual and interannual...- publication PDF
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The effect of rapid adjustments to halocarbons and N2O on radiative forcing
Rapid adjustments occur after initial perturbation of an external climate driver (e.g., CO2) and involve changes in, e.g. atmospheric temperature, water vapour and clouds,...- publication PDF