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Numerical simulations of two-layer flow past topography. Part I: The leeside...
Laboratory observations of the leeside hydraulic jump indicate it consists of a statistically stationary turbulent motion in an overturning wave. From the point of view of the...- publication PDF
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Drivers of precipitation change: An energetic understanding
The response of the hydrological cycle to climate forcings can be understood within the atmospheric energy budget framework. In this study precipitation and energy budget...- publication PDF
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Distinctive climate signals in reanalysis of global ocean heat content
The elusive nature of the post-2004 upper ocean warming has exposed uncertainties in the ocean's role in the Earth's energy budget and transient climate sensitivity. Here we...- publication PDF
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Observed changes in the distributions of daily precipitation frequency and...
In this study, daily precipitation (P) records for 1960–2013 from 632 stations in China were homogenized and then applied to study the changes in the frequency of dry (P = 0)...- publication PDF
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Coronal mass ejections associated with slow long duration flares
It is well known that there is a temporal relationship between coronal mass ejections (CMEs) and associated flares. The duration of the acceleration phase is related to the...- publication PDF
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Validation of ACE-FTS v2.2 measurements of HCl, HF, CCl₃F and CCl₂F₂ using...
Hydrogen chloride (HCl) and hydrogen fluoride (HF) are respectively the main chlorine and fluorine reservoirs in the Earth's stratosphere. Their buildup resulted from the...- publication PDF
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The Southern Hemisphere midlatitude circulation response to rapid...
Rapid adjustments-the response of meteorology to external forcing while sea surface temperatures (SST) and sea ice are held fixed-can affect the midlatitude circulation and...- publication PDF
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Treatment of undercanopy turbulence in land models
In arid and semiarid regions most of the solar radiation penetrates through the canopy and reaches the ground, and hence the turbulent exchange coefficient under canopy C-s...- publication PDF
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Adiabatic evolution of cloud droplet spectral width: A new look at an old problem
Spectral width of the cloud droplet spectrum is important for radiative properties and drizzle/rain development in warm ice-free clouds. We use an adiabatic rising parcel model...- publication PDF
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Impact of initialized land surface temperature and snowpack on Subseasonal...
Subseasonal-to-seasonal (S2S) prediction, especially the prediction of extreme hydroclimate events such as droughts and floods, is not only scientifically challenging, but also...- publication PDF
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Anthropogenic aerosols dominate forced multidecadal Sahel precipitation...
Sahel precipitation has undergone substantial multidecadal time scale changes during the twentieth century that have had severe impacts on the region's population. Using...- publication PDF
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Influence of surface observations in mesoscale data assimilation using an...
The assimilation of surface observations using an ensemble Kalman filter (EnKF) approach was successfully performed in the Advanced Research version of the Weather Research and...- publication PDF
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A simple reclassification method for correcting uncertainty in land use/land...
With increasing computational resources, environmental models are run at finer grid spacing to resolve the land surface characteristics. The land use/land cover (LULC) data sets...- publication PDF
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Approximating snow surface temperature from standard temperature and...
Snow surface temperature (Ts) is important to the snowmelt energy balance and land-atmosphere interactions, but in situ measurements are rare, thus limiting evaluation of remote...- publication PDF
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Tradeoffs for routing flights in view of multiple weather hazards
Adverse weather impacts the safety and efficiency of aviation. Convective storms, turbulence, and icing are aviation weather hazards that can lead to unpleasant rides and, in...- publication PDF
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A method for adaptive habit prediction in bulk microphysical models. Part...
Arctic mixed-phase clouds are ubiquitous, and the persistence of supercooled liquid is not well understood. Prior studies of mixed-phase clouds predict a single axis length...- publication PDF
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Evaluation of modeled precipitation in oceanic extratropical cyclones using IMERG
Using a high-spatial- and high-temporal-resolution precipitation dataset, Integrated Multi-satellite Retrievals for GPM (IMERG), extratropical cyclone precipitation is evaluated...- publication PDF
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A simple method for simulating wind profiles in the boundary layer of...
A method to simulate characteristics of wind speed in the boundary layer of tropical cyclones in an idealized manner is developed and evaluated. The method can be used in a...- publication PDF
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Environmental drivers of drought deciduous phenology in the Community Land Model
Seasonal changes in plant leaf area have a substantial impact on global climate. The presence of leaves and the time when they appear affect surface roughness and albedo, and...- publication PDF
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The spectral element method (SEM) on variable-resolution grids: Evaluating...
We evaluate the performance of the Community Atmosphere Model's (CAM) spectral element method on variable-resolution grids using the shallow-water equations in spherical...- publication PDF
