Articles | Volume 37, issue 6
Regular paper
13 Dec 2019
Regular paper |  | 13 Dec 2019

Investigation of the relationship between the spatial gradient of total electron content (TEC) between two nearby stations and the occurrence of ionospheric irregularities

Teshome Dugassa, John Bosco Habarulema, and Melessew Nigussie

Data sets

Geomagnetism CIRES

Geomagnetic Indices International Service of Geomagnetic Indices

Short summary
The relation between the occurrence of ionospheric irregularities and the spatial gradient of TEC derived from two closely located stations, located within the equatorial region over Ethiopia, was investigated. The relationship between σ(∆TEC/∆long) and ROTIave correlate linearly with correlation coefficients of C = 0.7975 and C = 0.7915 over ASAB and DEBK, respectively. In addition to latitudinal gradients, the longitudinal gradient of TEC has a significant contribution to the TEC fluctuations.