Studies on the contemporary dynamics of reef islands are too few to reach consensus on whether the islands are presently eroding or accreting. Evidence for erosion of shorelines is widespread, varying from scarping and undercutting on beaches, which caught the attention of Darwin when on the Cocos...
Beaches The wave processes produce beaches by deposition that are the areas of sand, pebbles, and shingle. Beaches have many different shapes because of a considerable variety of types and sizes of sediment. The slope of a beach changes with respect to a particular period of a year. In the ...
A beach ridge, one of typical depositional landforms on shingle or sandy beaches, is a heap built up above high water level by constructive wave action. It... T Sunamura 被引量: 0发表: 1975年 High-resolution (cm-scale) GPS/GIS-based 3D mapping and spatial analysis of in-situ fossils ...
Thecoastalenvironmentof the world is made up of a wide variety of landformsmanifestedin a spectrum of sizes and shapes ranging from gently sloping beaches to high cliffs, yet coastal landforms are best considered in two broad categories: erosional and depositional. In fact, the overall nature of...