Viewing Geophysics in a Hydrologic Context (and Vice Versa) (Invited) (original) (raw)

Abstract

There is growing interest in the merging of multiple data types for hydrogeological investigations. The potential value of diverse data cannot be overstated. But, as this diversity increases it becomes increasingly more difficult to judge the relative value of different data types. There has been some discussion recently about the value of joint and/or coupled inversion of hydrologic and geophysical data. We review and explain these approaches. Then, we demonstrate that the value of geophysical data should be considered for one of two uses: to provide context for development of hydrologic conceptual and numerical models; or to provide data with high spatial and/or temporal resolution to be interpreted in the context of a hydrologic model. We conclude by discussing the nature of different geophysical methods that make them better suited to one or the other (but probably not both) uses.

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