Nick Pedatella | High Altitude Observatory

A Lagrangian Study of Tidal Advection of Mesospheric Water Vapor

DW1 advected H2O volume mixing ratio

The photoelectron driven upper hybrid instability as the cause of 150 km echoes

summation of growth rates of the upper hybrid instability for a variety of wavelengths

Scientific Motivations and Future Directions of Whole Atmosphere Modeling

Lower-atmosphere processes in the ionosphere-thermosphere

Lower thermospheric material transport via Lagrangian coherent structures

Left: Specified Dynamics Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (SD-WACCMX) Lagrangian coherent structures (LCSs) for a space shuttle launch during (a) spring and (b) summer. Right: Observations of GUVI Lyman-alpha column emission rates in Rayleighs reprinted from Meier et al. (2011) and annotated with the LCS locations.

The Molecular Oxygen Density Structure of the Lower Thermosphere as Seen by GOLD and Models

Comparisons of local time structure of molecular oxygen at 21°N, 170 km altitude

Impact of Thermospheric Wind Data Assimilation on Ionospheric Electrodynamics using a Coupled Whole Atmosphere Data Assimilation System

Longitude-latitude maps of NmF2 from the NR (first column) and the difference of NmF2 between OSSEs and NR (second to fourth columns) at six different times.

Interhemispheric Coupling Mechanisms in the Middle Atmosphere of WACCM6

Differences in the monthly mean temperature from the long-term average over three WACCM realizations

On the importance of interactive ozone chemistry in Earth-System models for studying MLT tidal changes during sudden stratospheric warmings

SW2 amplitude in neutral temperature

Thermospheric composition O/N2 response to an altered meridional mean circulation during Sudden Stratospheric Warmings observed by GOLD

GOLD plots

Assimilation of Ionosphere Observations in the Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (WACCMX)

(a) Root mean square error and (b) bias in WACCMX+DART experiments compared to ground-based Global Navigation Satellite System (GNSS) total electron content observations for the 1 hr forecast (F) and analysis (A)

Subscribe to Nick Pedatella