Wavelet coherence analysis foF2 over Boulder station during different geomagnetic activity


 A geomagnetic storm is a major disturbance of Earth’s magnetosphere that occurs when there very efficient exchange energy from the solar wind into space environment surrounding Earth. During and activities, critical frequency F2 layer (foF2) varies in great extent. The focus current study on variations foF2, layer, during intense cycle 24 quiet 25. foF2 data mid latitude station BC840 (Boulder) American region have been used to properties linked with foF2. Time series analysis Wavelet Coherence establish relationship between those parameters. We found considerable effect disturbances time. enhanced prior depletes recovery phase no significant changes observed weak storm. enhancement or depletion may be as precursor storms. With long trend larger database we can make catalog which predict deepen our understanding impacts storms communication signals due injected ionosphere.