The green ice portion was textured by seawater erosion.
绿色的冰部分被海水侵蚀，并形成纹理。
2
Rapid erosion from the Mississippi River at the end of the last ice age reduced forces that had kept the New Madrid fault from slipping and triggered the temblors.
最后一个冰河时代末期密西西比河的急剧侵蚀减弱了保持新马德里断层稳定的防滑力，从而引发地震。
3
Scientists found that coastal erosion caused by retreating sea ice is damaging remains in an Inuit village in Alaska, including a fourth-century coastal cemetery.