Accession Number : ADA302347

Title :   Global Ionospheric Weather.

Descriptive Note : Scientific rept. no. 2,

Corporate Author : BOSTON COLL CHESTNUT HILL MA INST FOR SPACE RESEARCH

Personal Author(s) : Decker, Dwight T. ; Doherty, Patricia H.

PDF Url : ADA302347

Report Date : 28 FEB 1995

Pagination or Media Count : 73

Abstract : In the last year, we have studied several issues that are critical for understanding ionospheric weather. Work on global F region modeling has consisted of participation in the Phillips Laboratory Low Latitude Ionospheric Tomography Campaign, testing of the Global Theoretical Ionospheric Model (GTIM), and testing of the Parameterized Ionospheric Model (PIM). Analysis of TEC data and comparisons with other ionospheric models have been successfully conducted and are ongoing. Analysis of GPS observations are also ongoing. Studies have been made concerning limitations in determining TEC from dual frequency GPS measurements as well as the statistics of time rate of change of TEC. Software has been developed to process RINEX formatted GPS data into TEC. Work comparing our electron proton H atom model to both observations and other models has been very successful. We have also successfully modeled the creation of boundary blobs using time varying convection to first create patches in the polar cap and then to transport and distort them into boundary blobs in the auroral region.

Descriptors :   *IONOSPHERIC MODELS, COMPUTER PROGRAMS, GLOBAL, WEATHER, THEORY, FORECASTING, AURORAE, F REGION, CONVECTION(ATMOSPHERIC).

Subject Categories : Atmospheric Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE