For the Instructor
These student materials complement the Coastal Processes, Hazards and Society Instructor Materials. If you would like your students to have access to the student materials, we suggest you either point them at the Student Version which omits the framing pages with information designed for faculty (and this box). Or you can download these pages in several formats that you can include in your course website or local Learning Managment System. Learn more about using, modifying, and sharing InTeGrate teaching materials.Mixed Energy Coasts
Mixed energy coasts are a product of both wave and tidal processes and neither process exerts an excessive influence on the coastal morphology, although some mixed energy coasts show tidal or wave dominance. Rarely in nature are processes in equilibrium. These types of coasts typically contain short stubby barrier islands, have numerous tidal inlets and passes and are separated from a mainland by extensive marshes and an array of tidal creeks (Figs. 2.20, 2.21).
Figure 2.20: Satellite image of barrier islands on the northeast coast of Brazil. Note the short stubby appearance of the sandy shorelines, the expansive wetland environments on the landward side of the sandy shorelines, and the many tidal channels that are present on the landward or backbarrier side. This coastal morphology suggests a mixed energy hydrodynamic regime.Credit: NASA: EO Images: Brazil
Figure 2.21: Satellite image of the Copper River delta in Alaska, U.S.A. showing a morphology that suggests a mixed energy environment because of the many inlets and passes between the relatively short barrier islands. Although this is a mixed energy environment, the tides have slightly more influence in this location, and the region is considered a tide-dominated, mixed energy environment.Credit: NASA: Copper River Delta



