Waves that are really big carry a lot of energy. The larger the wave, the more energy it has, and the more sediment, or particles of rock, it will move. Coastlines with big beaches have more room for waves to spread their energy and deposits. Coastlines with small, narrow beaches have less room for waves to spread out. All the waves' energy is focused in a small place. This gives the small beaches a tattered, weathered look. Sandy beaches are washed away, and rocky coastlines are sometimes cracked by strong waves.
Because coasts are dynamic, or constantly changing, they are important ecosystems. They provide unique homes for marine plants, animals, and insects. Coasts can be icy, like the Shackleton Coast of Antarctica, or desert, like the Skeleton Coast of Namibia.
Coasts help us understand natural events, such as weather and changing sea levels. During storms, coasts are the first places to be flooded. Some coasts have coastal plains. Coastal plains are pieces of flat, low-lying land that can become visible when sea levels start decreasing.
Waves that are really big carry a lot of energy. The larger the wave, the more energy it has, and the more sediment, or particles of rock, it will move. Coastlines with big beaches have more room for waves to spread their energy and deposits. Coastlines with small, narrow beaches have less room for waves to spread out. All the waves' energy is focused in a small place. This gives the small beaches a tattered, weathered look. Sandy beaches are washed away, and rocky coastlines are sometimes cracked by strong waves.Because coasts are dynamic, or constantly changing, they are important ecosystems. They provide unique homes for marine plants, animals, and insects. Coasts can be icy, like the Shackleton Coast of Antarctica, or desert, like the Skeleton Coast of Namibia.Coasts help us understand natural events, such as weather and changing sea levels. During storms, coasts are the first places to be flooded. Some coasts have coastal plains. Coastal plains are pieces of flat, low-lying land that can become visible when sea levels start decreasing.
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