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Parameter estimation for computationally intensive nonlinear regression with...
Nonlinear regression is a useful statistical tool, relating observed data and a nonlinear function of unknown parameters. When the parameter-dependent nonlinear function is...- publication PDF
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The POLARCAT Model Intercomparison Project (POLMIP): Overview and evaluation...
A model intercomparison activity was inspired by the large suite of observations of atmospheric composition made during the International Polar Year (2008) in the Arctic. Nine...- publication PDF
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The influence of crosswind tidal currents on Langmuir circulation in a shallow ocean
Langmuir circulation (LC) is a turbulent process driven by wind and surface waves that plays a key role in transferring momentum, heat, and mass in the oceanic surface layer. On...- publication PDF
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Effects of anthropogenic forcing and natural variability on the 2018...
The Northeast Asian 2018 heatwave is an unlikely event without anthropogenic forcing; only two have occurred over the last 40 years. By 2050 they will become 1-in-4-yr events.- publication PDF
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Efficacy of possible strategies to mitigate the urban heat island based on...
Summer heat waves are a significant public health threat in China. This paper took Wuhan (one of the four hottest furnace cities in China) as an example to explore several...- publication PDF
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Dengue in the campus community of an overseas American university: A...
Introduction: After a large outbreak of dengue virus (DENV) serotype-3 in Saint Kitts and Nevis (SKN) in 2008, we performed a cross-sectional study to determine the prevalence...- publication PDF
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Observations of fine-scale transport structure in the upper troposphere from...
The Progressive Science Mission in December 2005 was the first research use of the new NCAR High-performance Instrumented Airborne Platform for Environmental Research (HIAPER)...- publication PDF
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Sensitivity of the Atlantic Meridional Overturning Circulation to model...
A multimodel, multiresolution ensemble using Coupled Model Intercomparison Project Phase 6 (CMIP6) High Resolution Model Intercomparison Project (HighResMIP) coupled experiments...- publication PDF
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Stratospheric gravity wave fluxes and scales during DEEPWAVE
During the Deep Propagating Gravity Wave Experiment (DEEPWAVE) project in June and July 2014, the Gulfstream V research aircraft flew 97 legs over the Southern Alps of New...- publication PDF
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Short-term forecasting through intermittent assimilation of data from Taiwan...
Radial velocity (Vr) and reflectivity (Z) data from eight coastal operational radars of mainland China and Taiwan are assimilated for the first time using the ARPS 3DVAR and...- publication PDF
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Additive noise for storm-scale ensemble data assimilation
An "additive noise" method for initializing ensemble forecasts of convective storms and maintaining ensemble spread during data assimilation is developed and tested for a...- publication PDF
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Research advances on internal processes affecting tropical cyclone intensity...
This contribution summarizes the significant progress in a variety of topic areas related to internal tropical cyclone (TC) intensity change processes over 2018â2022 from the...- publication PDF
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Extreme-ultraviolet polarimetric diagnostics of the solar corona: The Hanle...
Magnetic fields are the primary driver of the plasma thermodynamics in the upper solar atmosphere, especially in the corona. However, magnetic field measurements in the solar...- publication PDF
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Remote detection and diagnosis of thunderstorm turbulence
This paper describes how operational radar, satellite and lightning data may be used in conjunction with numerical weather model data to provide remote detection and diagnosis...- publication PDF
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The influence of entrainment and mixing on the initial formation of rain in...
The objective of this study is to address the problem of the production of rain in warm cumulus clouds that has been observed to occur within about 20 min. A hybrid model...- publication PDF
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Assessment of updated fuel-based emissions inventories over the contiguous...
Nitrogen oxides (NOx) are air pollutants critical to ozone and fine particle production in the troposphere. Here, we present fuel-based emission inventories updated to 2018,...- publication PDF
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The role of prior assumptions in carbon budget calculations
Cumulative emissions budgets and net-zero emission target dates are often used to frame climate negotiations (Frame et al., 2014; Millar et al., 2016; Van Vuuren et al., 2016;...- publication PDF
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Observations of acyl peroxy nitrates during the Front Range Air Pollution...
We report on measurements of acyl peroxy nitrates (APNs) obtained from two ground sites and the NSF/National Center for Atmospheric Research C-130 aircraft during the 2014 Front...- publication PDF
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The 6.5-day wave and its seasonal variability in the middle and upper atmosphere
The zonal wave number 1 planetary wave of period near 6.5 days is a robust feature in the mesosphere and lower thermosphere (MLT) region with prominent seasonal variability as...- publication PDF
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Magnetic flux in the Sun emerges unaffected by supergranular-scale surface flows
Magnetic flux emergence from the convection zone into the photosphere and beyond is a critical component of the behavior of large-scale solar magnetism. Flux rarely emerges amid...- publication PDF