A geologist whose speciality is geomorphology(noun)
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Use "geomorphologist" in a sentence
""What is so remarkable about this new island, apart from its sudden apparition, is that it has since remained intact in what is often a very violent, hostile sea environment," said Guy Estève, a retired local geomorphologist."
"David Montgomery, geomorphologist: He's written two general-interest books on his work (both of which look pretty fascinating to me), Dirt: The Erosion of Civilizations, which argues that "soil is humanity's most essential resource" (and which led one customer reviewer, a friend of his, to mention that Dave is also "an entertaining pop-folk guitar [ist], who leads with guitar and vocals the local band 'Big Dirt.'"), and King of Fish: The Thousand-Year Run of Salmon."
"Now instead a revolution, led by a Canadian non-creationist geomorphologist John Shaw, is showing how great effects in bedrock can be done by instant pressure of vortices in water and general water flow."