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Klimchouk’s most highly cited publication—a report cited 430 times—is entitled Hypogene speleogenesis: hydrogeological and morphogenetic perspective.

Among the hypogene forces in geological dynamics an important place must be assigned to movements of the terrestrial crust.

But it must be remembered that, however much they may vary in activity and in the results which they effect, the epigene forces work without intermission, while the hypogene forces bring about the upheaval of land only after long intervals.

Where a new tract of land has been raised out of the sea by such an energetic movement as broke up the crust and produced the complicated structure and tumultuous external forms of a great mountain chain, the influence of the hypogene forces on the topography attains its highest development.

This distinction allows of a broad treatment of the subject under two divisions: I. Hypogene or Plutonic Action: The changes within the earth caused by internal heat, mechanical movement and chemical rearrangements.