Shoaling occurs as as the waves enter shallower water. The wave speed and wave length decrease in shallow water, therefore the energy per unit area of the wave has to increase, so the wave height increases. The wave period remains the same in shoaling.
Healthier Versions. Reducing the oil by half in the cake batter, eliminating the butter in the cream cheese frosting and adding crushed pineapple and nonfat buttermilk to the cake batter to keep it moist results in a single-layer carrot cake with 342 calories per slice, of which 153 come from fat.
Cake Doughnut. A single glazed chocolate cake doughnut that is around 3 3/4 inches in diameter can have close to 250 calories. Depending on the recipe, some varieties -- like chocolate-frosted chocolate cake doughnuts -- can have as many as 370 calories.