WebC. H. Chen set the ionospheric assimilation height to 3000 km and excluded the contributions of higher components from ground-based ionospheric observation data by … WebICON uses the Ionospheric Data Assimilation Four-Dimensional (IDA4D) model for this task and this report demonstrates the assimilation of simulated ICON ionospheric products into this model. The model captures observations in a 3-dimensional tomographic grid, with a temporal component that maintains “memory” of the observations in …
Katelynn Greer - Research Associate - LinkedIn
Web29 apr. 2004 · One of the major limiting factors in geodetic applications of the Global Positioning System (GPS) is lack of knowledge of the propagation delays imposed by the … Web18 apr. 2024 · Dr. Katelynn Greer is an aerospace engineering scientist studying the near-space environment through physics, modeling and … small heated greenhouse building plans
Ionospheric data assimilation methods for geodetic applications
Web17 aug. 2024 · In recent years, the theory of ionospheric data assimilation has been rapidly developed. Using a data assimilation algorithm to build a model, which not only … WebCEDAR CEDAR WebGAIM-GM physics is the Ionosphere Forecast Model (IFM) • Global physics-based model • Provides background ionosphere • 90 - 1400 km • 15 - minute output cadence • O+, H+, NO+, N 2 +, O 2 +, T e, T i – Only use N e as the assimilation parameter! • Kalman solves for deviations from background Global Assimilation of Ionospheric Measurements sonia nath