密西西比三角洲
随着密西西比河沿河岸和邻近盆地沉积沙子, 粘土和淤泥, 河流三角洲在过去大约 4,500 年形成. 河流的改道, 淡水和泥沙的自然流量也发生了变化, 导致三角洲不同地区的土地建设和土地流失. 河流改变路线的过程被称为撕裂或三角洲转换, 并形成构成密西西比河三角洲的各种景观.
Mississippi Delta Blue
The River Delta formed over the last approximately 4,500 years as the Mississippi River deposited sand, clay and silt along its banks and in adjacent basins. As the river changed course, the natural flow of freshwater and sediment changed as well, resulting in periods of land building and land loss in different areas of the delta. This process by which the river changes course is known as avulsion, or delta-switching, and forms the variety of landscapes that make up the Mississippi River Delta.
随着密西西比河沿河岸和邻近盆地沉积沙子, 粘土和淤泥, 河流三角洲在过去大约 4,500 年形成. 河流的改道, 淡水和泥沙的自然流量也发生了变化, 导致三角洲不同地区的土地建设和土地流失. 河流改变路线的过程被称为撕裂或三角洲转换, 并形成构成密西西比河三角洲的各种景观.
Mississippi Delta Blue
The River Delta formed over the last approximately 4,500 years as the Mississippi River deposited sand, clay and silt along its banks and in adjacent basins. As the river changed course, the natural flow of freshwater and sediment changed as well, resulting in periods of land building and land loss in different areas of the delta. This process by which the river changes course is known as avulsion, or delta-switching, and forms the variety of landscapes that make up the Mississippi River Delta.
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