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RISS 인기검색어
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이순환(Soon-Hwan Lee),박명희(Myung-Hee Park),김해동(Hea-dong Kim) 한국대기환경학회 2008 한국대기환경학회지 Vol.24 No.1
In order to clarify the urbanization intensity of Daegu Metropolitan and its characteristics, comparative study on the variation of the cooling rate of two different sites was carried out using observation data for 40 years by Korea Meteorological Adminstration. Daegu Metropolitan and Chupungnyung represent well urbanized and rural areas, respectively. In comparison with Chupungnyung, yearly mean temperature at Daegu Metropolitan increases rapidly and especially the differences of minimum temperature increasing rate during 40 years becomes greater. These differences of regional warming are caused by the different urbanization intensity between two sites. And the impact of anthropogenic heat due to urbanization should be stronger in nighttime than in daytime. Sensible heat advection by regional wind during 6 hours from 18 LST contributes to atmospheric cooling. For this reason wind speed is in proportion to cooling rate of atmosphere. However, wind after 24 LST induces the warm air advection and makes decrease the cooling rate in urban area. Although the cooling rates between Daegu Metropolitan and Chupungnyung are some different, the variation tendencies of cooling rate of two site are almost same. Therefore atmospheric cooling rate in nighttime tends to be associated with the intensity of wind speed.
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김해동 한국직업능력개발원 2000 직업능력개발연구 Vol.3 No.1
The IMF crisis which started late in 1997 caused massive unemployment in Korea. The crisis placed a high toll on young workers, especially on those at age between 25 and 29. However , even after the crisis, the high unemployment rate of young workers persisted. This study addresses the issue of high unemployment of young workers in Korea. It argues that the Human capital theory(Becker, 1975) and Institutional Theory(Coase, 1965: North, 1996) based on the Neo-classical economic perspective and offer only limited explanations on the unemployment of young workers in Korea. But, the New institutionalism Analysis(Granovetter, 1985; Kim Hae-dong, 1995) perspective which focuses on the socio-cultural and institutional aspects provides a better explanation for high unemployment of young workers in Korea. The recently observed high unemployment of young workers is not a cyclical unemployment, which should wither away if the economy picks up. But, it is a long-term phenomenon. Which should be systematically dealt with. As a solution to deal with the current high unemployment of young workers, the study suggests improvement of the current vocational education and training system. Improving the current vocational education and training system for the young workers is very important in this knowledge based-economy. In particular, we need to improvethe system so that it can offer for young workers diverse education and training programs according to their ski9ll levels and updated education and training according to the technological changes : so that young workers can choose education and training programs according to their skill levels, starting from education and training programs for low-level skilled workers and moving to those for highly skilled workers.
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