전체 글69 Why Do We Need Sand Dunes? Sand dunes provide natural coastal protection against storm surge and high waves, preventing or reducing coastal flooding and structural damage, as well as providing important ecological habitat. They also act as sand storage areas, supplying sand to eroded beaches. Sand dunes help to maintain a coastal environment and help protect the coastline. However, they are at risk of erosion, and human a.. 2022. 9. 19. 이전 1 ··· 15 16 17 18 다음
