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Mid‐latitude Thermosphere‐Ionosphere Na (TINa) layers observed with...
We report the first lidar observations of regular occurrence of mid-latitude thermosphere-ionosphere Na (TINa) layers over Boulder (40.13 degrees N, 105.24 degrees W), Colorado....- publication PDF
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Distinguishing stratospheric sudden warmings from ENSO as key drivers of...
Stratospheric conditions are increasingly being recognized as an important driver of North Atlantic and Eurasian climate variability. Mindful that the observational record is...- publication PDF
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Constraints imposed by the square-root spin-down law on coronal wind parameters
We derive an explicit expression for the coronal wind mass-loss rate in terms of either the surface field or the surface rotation rate. This result is based on a currently used...- publication PDF
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Comments on "Reconstructing the NH mean temperature: Can underestimation of...
In a recent paper, Bo Christiansen presents and discusses 'LOC,' a methodology for reconstructing past climate that is based on local regressions between climate proxy time...- publication PDF
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The Saharan air layer and the fate of African Easterly waves--NASA's AMMA...
In 2006, NASA led a field campaign to investigate the factors that control the fate of African easterly waves (AEWs) moving westward into the tropical Atlantic Ocean. Aircraft...- publication PDF
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Next generation magnetic field measurements from low-earth orbit satellites...
Large-scale current systems in the ionosphere and the magnetosphere are intimately controlled by the solar wind-magnetosphere interaction and the magnetosphere-ionosphere...- publication PDF
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The influence of internal atmospheric variability on the ionosphere response...
The Whole Atmosphere Community Climate Model eXtended is used to investigate the extent to which neglecting the realistic day-to-day lower atmospheric variability introduces...- publication PDF
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Snow in the McMurdo dry valleys, Antarctica
Snowfall was measured at 11 sites in the McMurdo Dry Valleys to determine its magnitude, its temporal changes, and spatial patterns. Annual values ranged from 3 to 50 mm water...- publication PDF
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Aerosol impacts on thermally driven orographic convection
Observations from the Dominica Experiment (DOMEX) field campaign clearly show aerosols having an impact on cloud microphysical properties in thermally driven orographic clouds....- publication PDF
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Backscatter differential phase -- Estimation and variability
On the basis of simulations and observations made with polarimetric radars operating at X, C, and S bands, the backscatter differential phase δ has been explored; δ has been...- publication PDF
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Biosphere-atmosphere Transfer Scheme (BATS) Version 1e as Coupled to the...
This report describes the physical processes, current numerical parameterizations, and some of the code structure of BATSle. BATSle, a piece of software, that runs as an offline...- publication PDF
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Impacts of the Atlantic multidecadal variability on North American summer...
The impacts of the Atlantic multidecadal variability (AMV) on summertime North American climate are investigated using three coupled global climate models (CGCMs) in which North...- publication PDF
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Toward a comprehensive global electric circuit model: Atmospheric...
As an important step in further modeling and understanding the global electric circuit, the Community Earth System Model (CESM1) has been extended to provide a calculation of...- publication PDF
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A solar tornado triggered by flares
Context. Solar tornados are dynamical, conspicuously helical magnetic structures that are mainly observed as a prominence activity. Aims. We investigate and propose a triggering...- publication PDF
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Impact of upstream urbanization on the urban heat island effects along the...
Although there has been considerable research on urban heat island (UHI) effects, most of the previous studies have attributed UHI effects to localized, surface processes. In...- publication PDF
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Skillful multiyear predictions of ocean acidification in the California...
The California Current System (CCS) sustains economically valuable fisheries and is particularly vulnerable to ocean acidification, due to its natural upwelling of carbon-...- publication PDF
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Diagnostics of convective transport over the Tropical Western Pacific from...
This study characterizes the representation of convective transport by a Lagrangian trajectory model driven by kinematic (pressure tendency ω) vertical velocity. Four...- publication PDF
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Simulated differences in 21st century aridity due to different scenarios of...
Aridity, defined as the ratio of precipitation (P) to potential evapotranspiration (PET) over land, is critical to natural ecosystems and agricultural production. Global climate...- publication PDF
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About the p-mode frequency shifts in HD 49933
We study the frequency dependence of the frequency shifts of the low-degree p modes measured in the F5V star HD 49933, by analyzing the second run of observations collected by...- publication PDF
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Sensitivity of organized convective storms to model grid spacing in current...
Mesoscale convective systems (MCSs) are complexes of thunderstorms that become organized and cover hundreds of kilometres over several hours. MCSs are prolific rain producers in...- publication PDF
