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Impact of turbulent mixing on isoprene chemistry
Isoprene, a volatile organic compound that is mainly emitted from trees, rapidly reacts with hydroxyl radical (OH) during daytime and subsequently forms ozone and aerosols in...- publication PDF
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On the seasonal prediction and predictability of winter surface Temperature...
The rapid day-to-day temperature swings associated with extratropical storm tracks can cause cascading infrastructure failure and impact human outdoor activities, thus research...- publication PDF
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A new ocean state after nuclear war
Nuclear war would produce dire global consequences for humans and our environment. We simulated climate impacts of US-Russia and India-Pakistan nuclear wars in an Earth System...- publication PDF
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An OSSE study of the impact of Micropulse Differential Absorption Lidar...
The National Center for Atmospheric Research (NCAR) and Montana State University jointly developed water vapor micropulse differential absorption lidars (MPDs) that are a...- publication PDF
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Assessing the sensitivity of the Tropical Cyclone Boundary Layer to the...
Recent studies have demonstrated that high-resolution (similar to 25 km) Earth System Models (ESMs) have the potential to skillfully predict tropical cyclone (TC) occurrence and...- publication PDF
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Fire dynamics during the 20th century simulated by the Community Land Model
Fire is an integral Earth System process that interacts with climate in multiple ways. Here we assessed the parametrization of fires in the Community Land Model (CLM-CN) and...- publication PDF
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Pattern scaling: Its strengths and limitations, and an update on the latest...
We review the ideas behind the pattern scaling technique, and focus on its value and limitations given its use for impact assessment and within integrated assessment models. We...- publication PDF
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Impact of Stratospheric Aerosol Geoengineering on extreme precipitation and...
This study assesses changes in extremes precipitation and temperature in West Africa under a high greenhouse gas scenario, that is, a representative concentration pathway 8.5,...- publication PDF
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Clear-sky ultraviolet radiation modelling using output from the Chemistry...
We have derived values of the ultraviolet index (UVI) at solar noon using the Tropospheric Ultraviolet Model (TUV) driven by ozone, temperature and aerosol fields from climate...- publication PDF
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Search for torsional oscillations in isolated sunspots
In this work we seek evidence for global torsional oscillations in alpha sunspots. We have used long time series of continuum intensity and magnetic field vector maps from the...- publication PDF
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Sources, sinks, and propagation characteristics of the quasi 6-day wave and...
This study employs a troposphere to lower thermosphere assimilation model data set generated by the Whole Atmosphere Community Climate Model with data assimilation provided by...- publication PDF
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Influences of the monsoon trough and Arabian heat low on summer rainfall...
The factors responsible for rare summertime rainfall over portions of the United Arab Emirates (UAE), which have not been previously explored in detail, are elucidated with the...- publication PDF
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Regional assessments of low clouds against large-scale stability in CAM5 and...
Daily gridded cloud data from MODIS and ERA-Interim reanalysis have been assessed to examine variations of low cloud fraction (CF) and cloud-top height and their dependence on...- publication PDF
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Space weather modeling capabilities assessment: Neutral density for orbit...
The specification and prediction of density changes in the thermosphere is a key challenge for space weather observations and modeling, because it is one result of complex...- publication PDF
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Coupled climate responses to recent Australian wildfire and COVID‐19...
Multiple 50-member ensemble simulations with the Community Earth System Model version 2 are performed to estimate the coupled climate responses to the 2019-2020 Australian...- publication PDF
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Stochastically generated North American megadroughts
The importance of interannual-to-decadal sea surface temperature (SST) influences on drought in the United States is examined using a suite of simulations conducted with the...- publication PDF
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Radiative forcing from the 1991 Mount Pinatubo volcanic eruption
Volcanic sulfate aerosols in the stratosphere produce significant long-term solar and infrared radiative perturbations in the Earth's atmosphere and at the surface, which cause...- publication PDF
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Low Modulus Strain Gages for Stress Analysis of Balloon Structures
An exploratory study has shown that instrumentation can be developed to permit experimental stress analysis of scientific balloons. Special strain gages have been made and...- publication PDF
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Two dynamical core formulation flaws exposed by a baroclinic instability test case
Two flaws in the semi-Lagrangian algorithm originally implemented as an optional dynamical core in the NCAR Community Atmosphere Model (CAM3.1) are exposed by steady-state and...- publication PDF
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Gray zone partitioning functions and parameterization of turbulence fluxes...
Here, we present the first attempt to fully represent three-dimensional turbulence fluxes in the "Terra Incognita" or the gray zone in other words. In order to derive...- publication PDF
