• Journal of the Korean Association of Geographic Information Studies
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• v.15 no.3
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• pp.13-22
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• 2012

The spatial structure analysis using the existing space syntax has a weakness only to apply the road factor. Hence, it is necessary to perform a new spatial structure analysis considering the regional characteristics factor as well as the road factor. The purpose of this study is to propose a modified spatial structure analysis which adopts road and regional characteristics factors using the existing space syntax and GIS and then to apply it to the spatial structure analysis of the urbanized areas in Hapdeok town. For the new analysis, the experts' survey has been conducted to derive the spatial structure factors of the area and their relative weights. Specifically, it drew the road factor as well as the regional characteristics factors such as road, district, land value, and building density. This study shows that the existing spatial structure analysis considering only the road factor does not reflect the actual spatial structure but the modified spatial structure analysis considering the road factor and the regional characteristics factors more accurately analyzes the spatial structure of Hapdeok town. Hapdeok is not an area where road networks were developed along main development axis and its centrality was changed, but an area where road networks were developed by effectiveness and equity and its centrality was changed by downtown decline. The towns like Hapdeok is more suitable for applying the modified spatial structure analysis method considering the regional characteristics factors. Further research is required for selecting characteristics factors and appropriate parameters in the modified spatial structure analysis. Further case studies await in other cities for conducting its verification.

• Journal of the Korean housing association
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• v.26 no.2
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• pp.57-66
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• 2015

The purpose of the study was to find out the relationship between subjective happiness and satisfaction of social sustainability in residential environment. The data for the analysis were collected through questionnaire survey method from October 29 to November 10, 2013, and the sample consisted of 338 residents living in Seoul and Gyeonggi-Do province. The social sustianability was composed of locality, communality and organism. Locality composed of historical and cultural reflection of regional identity and of regions. Communality composed of social integration, community program and facilities. Organism composed of employment, self-sufficiency, welfare, population, safety and housing. The findings of the study were as followings: 1) The average of subjective happiness was 3.82 points, over neutral. 2) The social sustainability in residential environment was related with the subjective happiness. 3) In the social sustainability in residential environment, the residents was satisfied with locality and organism, but they was not satisfied with communality.

• Journal of the Korean housing association
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• v.13 no.2
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• pp.31-38
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• 2002

The purpose of this study is to investigate the architectural change of the modern Korean farm-houses. Regional boundary of this study is confined to Pocheon-Gun, and the object is mainly forty-two farm-houses as long as sixty years since it was built. An analysis is made on the change of spaces, facilities and finished materials of farm-houses. The results of this study, An-Chae have changed for the more comfortable living conditions through the spatial changes as like the fittest facilities with spatial extension and integration. And in Arae-Chae, unlike An-Chae, the old and unused space often have transformed to the other function and the its facilities remained still unimproved.

• Proceedings of the Korean Society of Agricultural Engineers Conference
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• 2002.10a
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• pp.97-100
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• 2002

So far, the water management have separately been accomplished by water supply, flood control, and environmental river management. In spite of sustainable policy of water resource development, flood & drought damage, poor water accident, and deterioration of river ecosystem have continuously occurred. It means that it is difficult to improve those problems with the present systems and institutions. So, it is time to discuss to change the present water management system of administrative sense into the one classified by the watershed in order to understand problems of water resource in the regional basis. First, a integration of similar branch office in organization and a work specialization should be driven in the government. Second, it is desirable to develop the water resources according to the inherent characteristics of the watershed.

• Atmosphere
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• v.23 no.1
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• pp.33-37
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• 2013

In meteorology, exploitation of Kalman filter as a data assimilation system is virtually impossible due to simultaneous requirements of adjoint model and large computer resource. The other substitute of utilizing ensemble Kalman filter is only affordable by compensating an enormous usage of computing resource. Furthermore, the latter employs ensemble integration sets for evolving the background error covariance matrix by compensating the dynamical feature of the temporal evolution of weather conditions. We propose a new implementation method that works without the adjoint model by utilizing the explicit expression of the background error covariance matrix in backward evolution. It will also break a barrier in the evolution of the covariance matrix. The method may be applied with a slight modification to the real time assimilation or the retrospective analysis.

• Proceedings of the Korea Water Resources Association Conference
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• 2008.05a
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• pp.1388-1392
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• 2008

Water resources management depends on dealing inherent uncertainties stemming from climatic and hydrological inputs and models. Dealing with these uncertainties remains a challenge. Streamflow forecasts basically contain uncertainties arising from model structure and initial conditions. Recent enhancements in climate forecasting skill and hydrological modeling provide an breakthrough for delivering improved streamflow forecasts. However, little consideration has been given to methodologies that include coupling both multiple climate and multiple hydrological models, increasing the pool of streamflow forecast ensemble members and accounting for cumulative sources of uncertainty. The approach here proposes integration and coupling of global climate models (GCM), multiple regional climate models, and numerous hydrological models to improve streamflow forecasting and characterize system uncertainty through generation of ensemble forecasts.

• Acta Via Serica
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• v.1 no.1
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• pp.51-67
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• 2016

This article examines the nature of geopolitics and its impact on the international political economy of Eurasia/Silk Road. The research questions are exploratory and aim at revealing the differing geopolitical perceptions of the Russian Federation, the People's Republic of China (PRC) and the former Soviet Central Asian countries-Uzbekistan, Turkmenistan, Tajikistan Kyrgyzstan and Kazakhstan-within the context of an emerging "New Silk Road". Consequently, the main goal of this article is to contribute to a better understanding of what factors constrain and shape Silk Road initiatives in Eurasia. To this end, the article focuses on geopolitics and regional integration theories through a consideration of the Silk Road initiatives of a number of Eurasian countries.

• Journal of Environmental Science International
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• v.16 no.5
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• pp.541-548
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• 2007

A three-dimensional linear model and the Advanced Regional Prediction System (ARPS) were used to simulate parabola-shaped disturbances and clouds in the lee of a bell-shaped mountain. The ARPS model was compared in the x-y plane against the linear model's analytic solution. Under similar conditions with the linear theory, the ARPS produced well-developed parabola-shaped mountain disturbances and confirmed the features are accounted for in the linear regime. A parabola-shaped cloud in the lee of an isolated bell-shaped mountain was successfully simulated in the ARPS after 6 hours of integration time with the prescribed initial and boundary conditions, as well as a microphysical scheme.

• Korean Journal of Organic Agriculture
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• v.4 no.1
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• pp.59-73
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• 1995

Some devices of sustaining the small scale farming in the changing social and economic conditions in which comparative disadvantages are evidently to be experienced in the near future, are becoming a central proposition in the Korean agriculture. In this connection, development of integrated activities in farming among individual farmers within a region may be an important device of overcoming prevailing limits of resource possession and use of individual farmers. These inter-farm or inter-group cooperation and integration can be promoted through establishing efficient cooperative system within a farming district. This study was undertaken to find facts pertaining to situations leading to successful performence of cooperative systems in group farming. In this study, The case in Cheunee Myun, Yungi-Gun, Chungchungnam-Do in which farming is specialized in production of so called "organic farming products" and farmers are integrated for increasing their productivity.ductivity.

• Journal of the Korean Society for Aviation and Aeronautics
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• v.21 no.1
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• pp.1-7
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• 2013

To have the competitiveness in the future worldwide small aircraft market, we should be able to develop the aircraft which is highly safe, easy to fly, and having excellent flight characteristics. FBW(Fly-By Wire) system is essential for the enhancement of flight safety and control easiness. FBW system that has been applied only to the modern fighter and transport aircraft is recently applied to smaller aircraft such as regional aircraft, business aircraft and even small aircraft. The purpose of this research includes the development of flight control computer, the definition of FBW system component, the design concept of each component for redundant management, OFP(Operational Flight Program) development, FBW system integration and HILS(Hardware In-the Loop Simulation) verification environment to test this FBW system.