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Future trends in stratosphere-to-troposphere transport in CCMI models
One of the key questions in the air quality and climate sciences is how tropospheric ozone concentrations will change in the future. This will depend on two factors: changes in...- publication PDF
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Connecting regional aerosol emissions reductions to local and remote...
The unintended climatic implications of aerosol and precursor emission reductions implemented to protect public health are poorly understood. We investigate the precipitation...- publication PDF
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Evaluation of the Noah landsurface model using data from a fair-weather...
Sources of differences between observations and simulations for a case study using the Noah land surface model-based High-Resolution Land Data Assimilation System (HRLDAS) are...- publication PDF
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Theoretical study: Influence of different energy sources on the cusp neutral...
Simulations with the Global Ionosphere-Thermosphere Model (GITM) show that both Poynting flux and soft electron precipitation are important in producing neutral density...- publication PDF
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Radiative forcing of the direct aerosol effect from AeroCom Phase II simulations
We report on the AeroCom Phase II direct aerosol effect (DAE) experiment where 16 detailed global aerosol models have been used to simulate the changes in the aerosol...- publication PDF
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A two-column model parameterization for subgrid surface heterogeneity driven...
Earth system models currently struggle to account for the complex effects that land surface heterogeneity can have on land-atmosphere interactions. There have been attempts to...- publication PDF
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Dynamical coupling of the stratosphere and mesosphere in the 2002 Southern...
NCEP data and a NCAR TIME-GCM simulation are used to explore the dynamical coupling of the stratosphere and mesosphere during the 2002 Southern Hemisphere major stratospheric...- publication PDF
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Monsoon regimes and processes in CCSM4. Part II: African and American monsoon systems
This is the second part of a two part series studying simulation characteristics of the Community Climate System Model, version 4 (CCSM4) for various monsoon regimes around the...- publication PDF
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A scalable RBF--FD method for atmospheric flow
Radial basis function-generated finite difference (RBF--FD) methods have recently been proposed as very interesting for global scale geophysical simulations, and have been shown...- publication PDF
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Estimating sources of elemental and organic carbon and their temporal...
Emission inventories of elemental carbon (EC) and organic carbon (OC) contain large uncertainties both in their spatial and temporal distributions for different source types. An...- publication PDF
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Variation of atmospheric CO,δ¹³C, and δ¹⁸O at high northern latitude during...
Atmospheric CO mixing ratios and stable isotope ratios (δ13C and δ18O) were measured at a high northern latitude site (Westman Islands, Iceland) from January 2004 to March 2010...- publication PDF
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The influence of biomass burning on tropospheric composition over the...
Biomass burning (BB) in southern Africa is the largest emission source of CO and O₃ precursors within Africa during the West African Monsoon (WAM) between June and August. The...- publication PDF
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Empirical localization of observations for serial ensemble Kalman filter...
The empirical localization algorithm described here uses the output from an observing system simulation experiment (OSSE) and constructs localization functions that minimize the...- publication PDF
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Quantifying damage contributions from convective and stratiform weather...
Convective precipitation is intensifying in many regions, but potential implications of shifts in precipitation types on impacts have not been quantified. Furthermore, risk...- publication PDF
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Radiative forcing since preindustrial times due to ozone change in the...
This article does not have an abstract or article summary.- publication PDF
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Observed Antarctic interannual climate variability and tropical linkages
This study reviews the mechanisms associated with Antarctic–tropical climate linkages and presents new analyses of the seasonality and spatial patterns of tropical climate...- publication PDF
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A range of outcomes: The combined effects of internal variability and...
Disentangling the effects of internal variability and anthropogenic forcing on regional climate trends remains a key challenge with far-reaching implications. Due to its largely...- publication PDF
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Linearity of climate response to increases in black carbon aerosols
The impacts of absorbing aerosols on global climate are not completely understood. This paper presents the results of idealized experiments conducted with the Community...- publication PDF
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High-resolution observations of the solar photosphere, chromosphere, and...
NASA's Interface Region Imaging Spectrograph (IRIS) provides high-resolution observations of the solar atmosphere through ultraviolet spectroscopy and imaging. Since the launch...- publication PDF
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An advanced scheme for wet scavenging and liquid-phase chemistry in a...
Clouds are reaction chambers for atmospheric trace gases and aerosols, and the associated precipitation is a major sink for atmospheric constituents. The regional chemistry-...- publication PDF