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Analysis of Atmosphere-Ocean Interactions over South China Sea and its Relationship with Northeast Asian Precipitation Variability during Summer (남중국해의 여름철 대기-해양 상호작용과 동아시아 강수량의 상관성 분석)

Jang, Hye-Yeong;Yeh, Sang-Wook
- Atmosphere
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- v.23 no.3
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- pp.283-291
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- 2013
This study investigates the changes in the atmosphere-ocean interactions over the South China Sea (SCS) by analyzing their variables in the period of 1979~2011 during the boreal summer (June-July-August). It is found that a simultaneous correlation coefficient between sea surface temperature (SST) and precipitation over SCS during summer is significantly changed before and after the late-1990s. That is, the variation of precipitation over SCS is negatively (positively) correlated with the SST variations before (after) the late-1990s. Our further correlation analysis indicates that the atmospheric forcing of the SST is dominant before the late-1990s accompanying with wind-evaporation feedback and cloud-radiation feedback. After the late-1990s, in contrast, the SST forcing of the atmosphere through the latent heat flux from the ocean to the atmosphere is dominant. It is found that the change in the relationship of atmosphere-ocean interactions over SCS are associated with the changes in the relationship with Northeast Asian summer precipitation. In particular, a simultaneous correlation coefficient between the precipitation over SCS and Northeast Asia becomes stronger during after the late-1990s than before the late-1990s. We argue that the increase of the SST forcing of the atmosphere over SCS may lead a direct relationship of precipitation variations between SCS and Northeast Asia after the late-1990s.
https://doi.org/10.14191/Atmos.2013.23.3.283 인용 PDF KSCI

Forecasting Cargo Traffic of Zarubino Port with O/Ds of Jilin Sheng in China (중국 지린성 대상의 자루비노항 경유물동량 전망)

An, Guo Shan;Koh, Yong Ki;Noh, Jin Ho
- International Commerce and Information Review
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- v.18 no.1
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- pp.81-105
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- 2016
Recently, master plan on the Far East three provinces in China as well as the Russian Far East coupling with 'Eurasia Initiatives' of our government is doubling its importance. It should take advantage of Zarubino port for the hub of Eurasia Logistics Network. This study forecasts the volume demand and whether the expected items of cargo traffic of Zarubino port with O/Ds for the region including the Far East three provinces in China. Input data and the existing basic unit of Korea were utilized in order to overcome the absence of the relevant information to the region. It was derived by them confined to the industrial complex facility in Jilin Sheng on behalf of the Far East three provinces in China as a pilot study. Suitable for the transport sector as a basis for traditional traffic demand, four-step method for estimating the proposed modifications, complementing methodologies. This study is determined that the contribution to the implications on the region's logistics policies of our government has a commitment with raising awareness of the region's Logistics system.
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Study for Building Ecological Network in East-North Asia (동북아 생태네트워크 구축을 위한 방안 고찰)

Jeon, Seong-Woo;Lee, Moung-Jin;Kang, Byung-Jin;Shin, Ji-Young
- Journal of Environmental Policy
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- v.8 no.3
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- pp.1-26
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- 2009
In the 1990s, when the viewpoint that an ecosystem is a single network within a specific region was adopted, the preservation and management of natural ecosystems was proposed. With regard to Northeast Asia, the expansion of trans-boundary pollution due to rapid development and the swift destruction of the natural environment emphasize the necessity for environmental cooperation. The Northeast Asia region made up of South Korea, North Korea, three northeastern prefectures in China, the Russian far-east, and parts of Mongolia were selected to be analyzed for an ecological network. The significance of this study lies in the development of a methodology for building a Northeast Asian ecological network through the use of satellite images. Regarding the methods of analysis, stable habitats for four priority species were selected to be performed using overlay analysis. The result of the analysis of the ecological networks in the whole Northeast Asia region showed that there were key areas partly dispersed in the Korean Peninsula, but whether the key areas would be maintained in the long term is unknown. As for China, key areas were concentrated in the border areas around the Tumen River and in parts of the three northeastern prefectures. Russia had wide-ranging areas that could function as stable habitats for most species. As a result of the actual conditions of the ecological networks, most of the Northeast Asia region, including the Korean Peninsula, was in poor condition, requiring appropriate measures and their operation as soon as possible. Also, it was revealed that further investigation and research was necessary for border areas that were identified to be key areas.
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