 William Morris Davis, the leading geomorphologist of his time, recognized the role of climate by complementing his "normal" temperate climate cycle of erosion with arid and glacial ones.Nevertheless, interest in climatic geomorphology was also a reaction "against" Davisian geomorphology that was by the mid-20th century considered both un-innovative and dubious.Early climatic geomorphology developed primarily in continental Europe while in the English-speaking world the tendency was not explicit until L.C.