Congratulations to Dr. Jian Du Caines, Assistant Professor, Department of Physics and Astronomy,

for her recent NASA award of $394,555 for the project entitled “Short-term Tidal Variability from the Troposphere to the Dynamo Region HSPH to ITM.” The department is extremely proud of her stellar achievements.


image of Dr. Du Caines

Her NASA proposal aims to investigate the short-term variability (on the order of 4 days) of atmospheric tides from about the troposphere to the ionospheric E-region dynamo region (20 – 110 km). Emphasis is on the migrating and non-migrating diurnal tides from westward propagating wavenumber 5 to eastward propagating wavenumber 5 (DW5 to DE5). Towards this goal, the project will synergistically employ an existing 30-year simulation (1979-2010) from the extended Canadian Middle Atmosphere Model (eCMAM) driven by reanalysis data and existing short-term tidal variability diagnostics from the SABER instrument on the TIMED satellite. The investigation will examine the statistical characteristics of the tidal short-term variability, how it varies as a function of year, season, latitude and altitude, develop a statistical empirical model of the tidal short-term variability, and quantify the relative importance of various causes for the short-term tidal variability and their respective atmospheric impacts.