caption: Dunes Dunes are formed as mounds or ridges of sand deposits and are then sculpted by the wind. Beach Dunes: are important to protect.
exif: {"Image DocumentName": "DunesDunes are formed as mounds or ridges of sand deposits and are then sculpted by the wind. Beach Dunes: are important to protect.", "Image ImageDescription": "the shore from storms and waves eroding. away the land. Barchan Dunes. Transverse Dunes. slip face. Wind direction. Wind. Wind. Sand avalanche. Dune movement. John McCauley, USGS. 25. John McCauley, USGS.  resources/images/lgformat/barchan.jpg. Table of Contents. 25.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}