Speaker
Description
Recurring Coronal Holes (CHs) are long-lived structures in the solar corona that survive over multiple solar rotations. They are generating high speed solar wind streams that can have a recurring geoeffective impact. For our study we employ the Potential Field Source Surface (PFSS) and the Schatten Current Sheet (SCS) models incorporated in the coronal modelling domain of EUHFORIA (European Heliospheric Forecasting Information Asset). We evaluate the model efficiency in reconstructing the area of open field associated with 16 recurring CHs and we attempt to study their vertical structure and assess how it changes with each rotation. We determine the optimal parameter space for model initiation for each CH, compare the model output both to EUV and coronagraph white-light emissions, and assess the reconstructed heliospheric plasma and magnetic field conditions using in situ measurements from different positions throughout the inner heliosphere.
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