-
A five-year plan for research related to the assimilation of meteorological data
This report provides scientific rationale and justification for a five-year research plan for the assimilation of meteorological observations into numerical weather prediction...- publication PDF
-
Mass yields of secondary organic aerosols from the oxidation of alpha-pinene...
Biogenic volatile organic compounds (VOCs) are a significant source of global secondary organic aerosol (SOA); however, quantifying their aerosol forming potential remains a...- publication PDF
-
Microphysical simulations of new particle formation in the upper troposphere...
Using a three-dimensional general circulation model with sulfur chemistry and sectional aerosol microphysics (WACCM/CARMA), we studied aerosol formation and microphysics in the...- publication PDF
-
Can we measure snow depth with GPS receivers?
Snow is an important component of the climate system and a critical storage component in the hydrologic cycle. However, in situ observations of snow distribution are sparse, and...- publication PDF
-
Molecular constraints on particle growth during new particle formation
Atmospheric new particle formation (NPF) produces large numbers of nanoparticles which can ultimately impact climate. A firm understanding of the identity and contribution of...- publication PDF
-
Historical and future roles of internal atmospheric variability in...
Understanding how internal atmospheric variability affects Greenland ice sheet (GrIS) summertime melting would improve understanding of future sea level rise. We analyze the...- publication PDF
-
WACCM climate chemistry sensitivity to sprite perturbations
Transient luminous events affect Earth's atmosphere between thunderstorm tops and the lower ionosphere through ion-neutral chemistry reactions. Particular emphasis has been...- publication PDF
-
Electron acceleration and radio emission following the early interaction of...
Context. Coronal mass ejections (CMEs) are large eruptions of magnetised plasma from the Sun that are often accompanied by solar radio bursts produced by accelerated...- publication PDF
-
A quality control procedure based on bending angle measurement uncertainty...
The fluctuation of radio occultation (RO) signals in the presence of refractivity irregularities in the moist lower troposphere results in uncertainties of retrieved bending...- publication PDF
-
Resolving tropical cyclone intensity in models
In recent years, global weather forecast models and global climate models have begun to depict intense tropical cyclones, even up to category 5 on the Saffir-Simpson scale. In...- publication PDF
-
Comparison of precipitable water derived from ground-based GPS measurements...
Precipitable water (PW) obtained from a permanent ground-based Global Positioning System (GPS) network on the Korean Peninsula was evaluated by using radiosonde measurements for...- publication PDF
-
Impacts of increasing anthropogenic soluble iron and nitrogen deposition on...
We present results from transient sensitivity studies with the Biogeochemical Elemental Cycling (BEC) ocean model to increasing anthropogenic atmospheric inorganic nitrogen (N)...- publication PDF
-
Parameterization-induced uncertainties and impacts of crop management...
Global gridded crop models (GGCMs) combine agronomic or plant growth models with gridded spatial input data to estimate spatially explicit crop yields and agricultural...- publication PDF
-
Subtropical cloud-regime transitions: Boundary layer depth and cloud-top...
In this study, the mean and variability of boundary layer height (BLH) are analyzed along a transect in the eastern Pacific Ocean for the summer of 2003 using BLH estimates...- publication PDF
-
Regional extreme monthly precipitation simulated by NARCCAP RCMs
This paper analyzes the ability of the North American Regional Climate Change Assessment Program (NARCCAP) ensemble of regional climate models to simulate extreme monthly...- publication PDF
-
The impact of the El Niño-Southern Oscillation on maximum temperature extremes
The impact of the El Niño-Southern Oscillation (ENSO) on temperature extremes is examined in both observations and coupled climate model simulations. HadEX2, a newly developed...- publication PDF
-
A comparison of water and carbon dioxide exchange at a windy alpine tundra...
Eddy covariance measurements of the surface energy balance and carbon dioxide exchange above high-elevation (3,480 m above sea level) alpine tundra located near Niwot Ridge,...- publication PDF
-
The relative dispersion of cloud droplets: its robustness with respect to...
Flight data measured in warm convective clouds near Istanbul in June 2008 were used to investigate the relative dispersion of cloud droplet size distribution. The relative...- publication PDF
-
Force-free Magnetic Field Computation I
This report describes the physical background and the basic equations of a general force-free magnetic field, and shows that for a class of constant ��� force-free...- publication PDF
-
Realizing the potential of vehicle-based observations
The potential availability of millions of surface observations from passenger vehicles and fleets represents a potentially significant opportunity for the weather community. The...- publication PDF