Title: Interactive comment on “Technical Note: Deciphering the Hydrologic Response of Riverbeds across Changes in Recharge with Electrical Resistivity Imaging” by Weston J. Koehn et al.
Abstract:The presented manuscript describe the use of Electrical Resistivity Imaging (ERI) for imaging seasonal resistivity changes for three profiles at the Arkansas river.Aim is to get insight into recharge ...The presented manuscript describe the use of Electrical Resistivity Imaging (ERI) for imaging seasonal resistivity changes for three profiles at the Arkansas river.Aim is to get insight into recharge and discharge mechanisms, a very interesting question for which ERI is an appropriate method to be used along with others to gain understanding.After describing the hydrological setting, they spend a few sentences on the ERI method, the used instruments and cables.In the result section they show for each profile some pictures along with an image of the absolute resistivity changed inferred from the inversion of the measurements.The conclusion consists of four already-known Printer-friendly version Discussion paper conductivity perpendicular to the inversion plane, i.e. topography) are met and if not how this could affect your results.Details on the data analysis and results (data fit etc.) missing.How did the river water conductivity change over time?This also includes temperature changes.Why did you not account for it in the interpretation or conclusions?How was the river body treated in the inversion routine?Particularly for the Lakin Site, the geometry did change as both the water level and the width of the river changed.How did you compareRead More