Keywords: ypes of sand dunes. Sand supply, wind direction, and interactions among groundwater salinity, topographic elevation, and vegetation growth affect dune morphology. Graphic illustrates barchanoid dune morphologies. Source: Trista L. Thornberry-Ehrlich, Colorado State University after Fryberger, S. G., L. F. Krystinik, and C. J. Schenk. 1990. Modern and ancient eolian deposits: Petroleum Exploration and Production; and McKee, E. D. 1966. Structures of dunes at White Sands National Monument, New Mexico (and a comparison with structures of dunes from other selected areas). ypes of sand dunes. Sand supply, wind direction, and interactions among groundwater salinity, topographic elevation, and vegetation growth affect dune morphology. Graphic illustrates barchanoid dune morphologies. Source: Trista L. Thornberry-Ehrlich, Colorado State University after Fryberger, S. G., L. F. Krystinik, and C. J. Schenk. 1990. Modern and ancient eolian deposits: Petroleum Exploration and Production; and McKee, E. D. 1966. Structures of dunes at White Sands National Monument, New Mexico (and a comparison with structures of dunes from other selected areas). |