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Assessing the accuracy of a linearized observation operator for assimilation...
Assimilation into numerical weather models of the refractivity, Abel-retrieved from radio occultations, as the local refractivity at ray tangent point may result in large errors...- publication PDF
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Ground observation and AMIE-TIEGCM modeling of a storm-time traveling...
This paper reports the first comparison between comprehensive observations of equatorward moving traveling ionospheric disturbance at midlatitudes and thermospheric general...- publication PDF
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Impact of model resolution and initial/boundary conditions in forecasting...
This study investigates the impact of initial conditions/boundary conditions (ICs/BCs) and horizontal resolutions on forecast for average weather conditions, focusing on low-...- publication PDF
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Incoherent scatter radar measurements and modeling of high-latitude solar...
A 9-year database of sunlit E region electron density altitude profiles (N-e(z)) measured by the Sondrestrom incoherent scatter radar (ISR) has been partitioned over a parameter...- publication PDF
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Mirror instabilities in the inner magnetosphere and their potential for...
Results from the NASA Van Allen Probes mission indicate extensive observations of mirror/drift-mirror (M/D-M hereafter) unstable plasma regions in the night-side inner...- publication PDF
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The effects of ionospheric outflow on ICME and SIR driven sawtooth events
Magnetosphere sawtooth oscillations have been observed during interplanetary coronal mass ejection (ICME) events, when the solar wind conditions are relatively steady, and...- publication PDF
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Future community efforts in understanding and modeling atmospheric processes
Approximately 160 participants from some 20 countries representing the weather and climate modeling community held an international workshop to overview the progress in...- publication PDF
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Tidal variability in the mesosphere and lower thermosphere due to the El...
Whole Atmosphere Community Climate Model (WACCM) simulations are used to investigate the migrating and nonmigrating tidal variability in the mesosphere and lower thermosphere...- publication PDF
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Response to Increasing Southern Hemisphere Winds in CCSM4
Results from two perturbation experiments using the Community Climate System Model version 4 where the Southern Hemisphere zonal wind stress is increased are described. It is...- publication PDF
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Effects of convective scale downdrafts on the rainfall simulation in NCAR-CAM3
In this work, an attempt is made to systematically evaluate the effect of convective scale downdrafts on the model-simulated rainfall, in both aqua- and actual-planet...- publication PDF
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Ice in clouds experiment-layer clouds. Part II: Testing characteristics of...
Heterogeneous ice nucleation is a source of uncertainty in models that represent ice clouds. The primary goal of the Ice in Clouds Experiment--Layer Clouds (ICE-L) field...- publication PDF
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A process-based evaluation of biases in extratropical...
Two-way coupling between the stratosphere and troposphere is recognized as an important source of subseasonal-to-seasonal (S2S) predictability and can open windows of...- publication PDF
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Response of surface ultraviolet and visible radiation to stratospheric SO2 injections
Climate modification by stratospheric SO2 injections, to form sulfate aerosols, may alter the spectral and angular distributions of the solar ultraviolet and visible radiation...- publication PDF
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Internally generated and externally forced multidecadal oceanic modes and...
Interdecadal oceanic variabilities can be generated from both internal and external processes, and these variabilities can significantly modulate climate on global and regional...- publication PDF
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Environmental drivers of coccolithophore growth in the Pacific sector of the...
The Great Calcite Belt (GCB) is a band of high concentrations of suspended particulate inorganic carbon (PIC) spanning the subantarctic Southern Ocean and plays an important...- publication PDF
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Impact of ocean model resolution on CCSM climate simulations
The current literature provides compelling evidence suggesting that an eddy-resolving (as opposed to eddy-permitting or eddy-parameterized) ocean component model will...- publication PDF
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An analytical model of maximum potential intensity for tropical cyclones...
An analytical model of maximum potential intensity (PI) for tropical cyclones (TCs) incorporating wind-induced ocean cooling is developed on the basis of Emanuel's PI theory....- publication PDF
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An implementation of the Particle Flow Filter in an Atmospheric Model
The particle flow filter (PFF) shows promise for fully nonlinear data assimilation (DA) in high-dimensional systems. However, its application in atmospheric models has been...- publication PDF
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Role of compressibility on tsunami propagation
In the present paper, we aim to reduce the discrepancies between tsunami arrival times evaluated from tsunami models and real measurements considering the role of ocean...- publication PDF
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Increased quasi stationarity and persistence of winter Ural blocking and...
In Part I of this study, it was shown that the Eurasian cold anomalies related to Arctic warming depend strongly on the quasi stationarity and persistence of the Ural blocking...- publication PDF