Sociologist ernest burgess developed the which is a description of the process of urban growth that views the city as a series of circular areas, each characterized by a different type of land use, that developed from a central core.

concentric zone model

Explanation:

Ernest W. Burgess developed the concentric zone model which is also known as the Burgess model between 1925 to 1929. The concentric zone model explains the development pattern of a city. It explains that there are rings around the city which expands when the city grew. The core area is in the middle of the center and the next ring is consists of mixed land use of commercial and residential habitat. The next ring is of low-class residential followed by high class residential and the last one is of commuters. Therefore he explains the settlement of particular groups in particular areas.

loess contribute to the flooding of rivers by providing the silt that is washed into rivers and constantly raises the bed of the rivers. this elevation above the surrounding flood plains and dams allow the river to overwhelm the dams and flood thousand of square miles of neighboring flood plains.

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