Table 1. Categorization of periods through precedent study

Research summary Periodization Integrate point
Precedent research A study on the changes of the periodical flows and concepts Lee et al. (2000) - A study on the changing pattern of Korean rural housing landscape based on the social events of the modern era

Before the 1960s: Categorized by 20-year unit based on event (Japanese occupation, war, etc.)

Since 1960s: based on major events and policies, consider the flow of the times in 10- year increments
1920∼1939 1970∼1959 1960∼1969 1970∼1979 1980∼1989 1990∼1999
Kwon et al. (2011) - Trend analysis of landscape research in Korea since 1970s
1970s 1980s 1990s 2000s 2010s
Joo (2012) - A study on the change of perception on landscape based on important events in modern history of Korea
1920∼1945 1946∼1960 1961∼1970 1971∼1980 1991∼1990
Lee (2012) - A study on the value perception of urban street and the change of urban street design policy
1890∼1900s Japanese colonial era Thereafter of the independence 1960∼1970s 1980∼1990s since the 2000s
Kim (2018) - A study on the implication of socioeconomic look into historical children's songs
Japanese colonial era Thereafter of the independence ∼Korean War Korean War∼1959
Precedent research Urban policy and urban regeneration ROK government (1982) - The establishment of national territory development stage for the second national territory comprehensive development plan(1982∼1991)

Mainly that study of focused <since the 1960s>

Consideration of social changes based on the comprehensive national territory plan by dividing them into 10-year units

Period classification according to established regulations and policies

Overall, it is interpreted as the trend of industrialization, infrastructure development, national territory development, redevelopment, and urban regeneration.

1970s: Base development 1980s: Wide-area development 1990s: Wide-area development
Production environment Life environment Natural environment
Roberts et al. (2000) - Evolution of urban regeneration
1950s 1960s 1970s 1980s 1990s
Reconstruction Revitalization Renewal Redevelopment Regeneration
Kim (2010) - A study on the trend of urban policy by solidarity of five stages
1960s 1970s 1980s 1990s 2000s
The naissance of urban policy The traction of economic growth Establishment and expansion of urban planning system New town construction revival period Sustainable urban policy
Kim et al. (2012) - A study on the change of social, economic, physical, and environmental and concepts of urban regeneration
1950s 1960s 1970s 1980s Since the 1990s Since the 2000s
Reconstruction Revitalization: Selective improvement Renewal: Environmental improvement Redevelopment: Increase environmental access Regeneration: Environmental sustainability Rehabitation: Sustainable development
Park et al. (2012) - A study on the perception and policy change of urban regeneration based on historical background and causes
Early industrial age∼1950s 1960s∼1980s 1990s∼Present
Social chaos and an agricultural-oriented society Urbanization policy of industrial development Wide-area urban regeneration policy
Nam (2018) - A study on the change of urban policy by differentiating the 10-year unit of the national territory comprehensive plan
1960s 1970s 1980s 1990s 2000s 2010s
Development of the economic and housing supply foundation Development of efficiency and improvement of bad residential area Balanced national development, new town construction and residential site improvement Regional scatteration development and housing market stabilization Sustainable development and urban and residential environment improvement People and space oriented urban regeneration
The application in this study

1920∼1945(1-step), 1946∼1959(2-step): Categorized based on the time of departure of modern urbanization and the social awards of the modern era

960s(3-step), 1970s(4-step), 1980s(5-step), 1990s(6-step): Division by 10-year period depending on policy changes