23,285 resources found

Ultra Low Frequency (ULF) waves play an important role in radiation belt dynamics, modulation of higher frequency wave modes and energetic particle precipitation. We investigate...

Land, ocean, and atmospheric models are often implemented on different spherical grids. As a conseqence coupling these model components requires state variables and fluxes to be...

A project for deriving temperature and humidity profiles from High-resolution Infrared Radiation Sounder (HIRS) observations is underway to build a long-term dataset for climate...

A growing number of general circulation models are adapting interactive sulfur and aerosol schemes to improve the representation of relevant physical and chemical processes and...

This second paper examines the Southern Hemisphere annular mode (SAM) variability from reconstructions, observed indices, and simulations from 17 Intergovernmental Panel on...

Radiosonde relative humidity (RH) measurements are known to be unreliable at cold temperatures. This study characterizes radiosonde RH measurements from Vaisala RS80-A thin-film...

Flow in a stably stratified environment is characterized by anisotropic and intermittent turbulence and wavelike motions of varying amplitudes and periods. Understanding...

We present a survey of magnetic reconnection at the dayside magnetopause using the Lyon-Fedder-Mobarry global magnetospheric simulation code. We explore simulations of the...

In this study, we conduct an in‐depth analysis of Whole Atmosphere Community Climate Model‐eXtended simulations to examine physical mechanisms of the formation and...

Accurate wildfire spread modeling critically depends on the representation of wind dynamics, which vary with terrain, land cover characteristics, and height above ground. Many...

Magneto-static models may overcome some of the issues facing force-free magnetic field extrapolations. So far they have seen limited use and have faced problems when applied to...

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This study develops a new approach to improve simulations of the particulate matter of aerodynamic diameter smaller than 2.5 mu m (PM2.5) in the Community Multiscale Air Quality...

Operational forecasting of tropical cyclone (TC) genesis has improved in recent years but still can be a challenge. Output from global numerical models continues to serve as a...

Spatial variations in sea surface temperature (SST) and rainfall changes over the tropics are investigated based on ensemble simulations for the first half of the twenty-first...

The terdiurnal tide (TDT) in the Antarctic mesosphere and lower thermosphere region is poorly known. This study examines TDT using neutral wind observations at Syowa during...

It is well known that the ensemble-based variants of the Kalman filter may be thought of as producing a state estimate that is consistent with linear regression. Here, it is...

Tropospheric ozone (O-3) pollution is known to damage vegetation, reducing photosynthesis and stomatal conductance, resulting in modified plant transpiration to the atmosphere....

The effective radiative forcing of anthropogenic aerosols (ERFaer) is an important measure of the anthropogenic aerosol effects simulated by a global climate model. Here we...

With an increasing number of continental-scale hydrologic models, the ability to evaluate performance is key to understanding uncertainty and making improvements to the...