Sea levels are rising globally, and this is effecting the rate of beach erosion on the Hawaiian Islands. It is known that shorelines change from various factors like increases or decreases in sea level, the amount of sand deposited or withdrawn from the shore, or even the movement of ocean currents. Researchers at the University of Hawaii began to look at the erosion of beaches on the different islands of Hawaii. They began their study by comparing the islands of Maui and Oahu. They analyzed various aerial photographs and seafloor topography over a time period of a hundred years. They found that Maui has eroded five inches a year, compared to Oahu’s rate of one inch per year. Researchers began to look at what was different between each island
