Manuscript Topics

Karst terrains, because of their frequently complex subsurface morphologies, present unique challenges to practitioners and researchers engaged in multiple fields including construction, transportation, agriculture, hydrogeology, environmental remediation, mining, and hydrocarbon exploration.

The basic mineralogical, hydrogeological and chemical processes which lead to the formation of karst are well-established and, at any site of interest, karst topography can normally be established through standard field investigations. Site-specific karst morphology, in contrast, is often not well understood because sufficient subsurface control is not available. Often, the complexity of the subsurface morphology at a specific site is not appreciated because sufficient subsurface control has not been acquired.

In many instances, the most reliable and cost-effective approach to characterizing subsurface in karst terrain involves the acquisition of borehole control, petrophysical data and geophysical data and the integrated analyses and interpretation of the same. The borehole and petrophysical data normally provide for higher resolution control but only in proximity to the boring and are generally used to constrain the interpretation of geophysical data. The geophysical data are generally lower resolution but are used to cost-effectively image the subsurface away from the borings and often to greater depths.

This special issue is focused on geophysical imaging approaches used to elucidate karst morphology. We especially welcome research-quality investigations in areas where the complexity of the subsurface poses unique challenges and investigations where innovative approaches were employed.

Keywords： Karst, caves, carbonates, evaporates, geophysics, solution-widened joints, dissolution.

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