A storm surge could wash it deep into Louisiana's wetlands, where it would probably kill the grasses that knit what land there is together, raising the risk of further erosion.
一场暴风就可能将其冲入路易斯安那湿地的深处，并杀死能保持土壤的草类，这增加了未来湿地受侵蚀的风险。
2
Many farmers use good conservation practices, and the state’s rich topsoil in many areas is deep enough to last decades with moderate amounts of erosion.
The change of ephemeral gully headward erosion, gully-wall collapsing and deep-cutting erosion were quantified in the three stages of initial-phase, metaphase and anaphase.