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Expansion diffusion: an innovation or idea that develops in a source area and remains strong there, while also spreading outward to other areas. This can include hierarchical, stimulus, and contagious diffusion. Relocation diffusion: an idea or innovation that migrates into new areas, leaving behind its origin or source of the cultural trait.
Original mapping by John Snow showing the clusters of cholera cases in the London epidemic of 1854, which is a classical case of using human geography. Human geography or anthropogeography is the branch of geography which studies spatial relationships between human communities, cultures, economies, and their interactions with the environment, examples of which include urban sprawl and urban ...
AIDS is a prominent example in modern-day society of a mixed diffusion disease, often spreading along the hierarchal, network, and contagious diffusion patterns. [ 9 ] [ 10 ] The value of mapping and Geographic Information Systems (GIS) is becoming better known to public health professionals to help link disease control to prevention efforts ...
According to proponents of hyperdiffusion, examples of hyperdiffusion can be found in religious practices, cultural technologies, megalithic monuments, and lost ancient civilizations. The idea of hyperdiffusionism differs from trans-cultural diffusion in several ways.
In some areas with high linguistic diversity, a number of areal features have spread across a set of languages to form a sprachbund (also known as a linguistic area, convergence area or diffusion area). Some examples are the Balkan sprachbund, the Mainland Southeast Asia linguistic area, and the languages of the Indian subcontinent. [citation ...
Distance decay is a geographical term which describes the effect of distance on cultural or spatial interactions. [1] The distance decay effect states that the interaction between two locales declines as the distance between them increases.
Some argue that one of the first attempts geographers made to define the development of human geography across the globe was to relate a country's climate to human development. Using this ideology, many geographers believed they were able "to explain and predict the progress of human societies". [ 14 ]
The sociological theory of diffusion is the study of the diffusion of innovations throughout social groups and organizations. The topic has seen rapid growth since the 1990s, reflecting curiosity about the process of social change and "fueled by interest in institutional arguments and in network and dynamic analysis."