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Chain migration. Chain migration is the social process by which immigrants from a particular area follow others from that area to a particular destination. The destination may be in another country or in a new location within the same country. John S. MacDonald and Leatrice D. MacDonald define chain migration as "movement in which prospective ...
Chain walking. In polymer chemistry, chain walking (CW) or chain running or chain migration is a mechanism that operates during some alkene polymerization reactions. CW can be also considered as a specific case of intermolecular chain transfer (analogous to radical ethene polymerization). This reaction gives rise to branched and hyperbranched ...
Rural flight (also known as rural-to-urban migration, rural depopulation, or rural exodus) is the migratory pattern of people from rural areas into urban areas. It is urbanization seen from the rural perspective. In industrializing economies like Britain in the eighteenth century or East Asia in the twentieth century, it can occur following the ...
The Great Migration, sometimes known as the Great Northward Migration or the Black Migration, was the movement of six million African Americans out of the rural Southern United States to the urban Northeast, Midwest, and West between 1910 and 1970. [ 1 ] It was substantially caused by poor economic and social conditions due to prevalent racial ...
Cultural assimilation. Cultural assimilation is the process in which a minority group or culture comes to resemble a society's majority group or assimilates the values, behaviors, and beliefs of another group whether fully or partially. [ 1 ] The different types of cultural assimilation include full assimilation and forced assimilation.
Step migration. Step migration is a migration pattern conceptualized in 1885 by Ernst Georg Ravenstein, who observed migration as occurring stage by stage as rural inhabitants move closer to urban areas of growth. [ 1 ] It is a migration pattern regarded by some scholars to be a widely popular form of international migration in the twenty-first ...
Gravity model of migration. The gravity model of migration is a model in urban geography derived from Newton's law of gravity, and used to predict the degree of migration interaction between two places. [1] Newton's law states that: "Any two bodies attract one another with a force that is proportional to the product of their masses and ...
For specific types of migration, see Immigration and Emigration. Key population movements worldwide in 2020 between different areas of the world. Human migration is the movement of people from one place to another, [ 1 ] with intentions of settling, permanently or temporarily, at a new location (geographic region).