• Journal of Environmental Science International
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• v.20 no.3
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• pp.405-416
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• 2011

In order to clarify the impact of regional warming on the ozone concentration according to the differences in meteorological contribution in each city over the South-Eastern part of the Korean Peninsula, several numerical experiments were carried out. WRF - CMAQ model was used to access the ozone differences in each case, during the episode day. Meteorological contributions estimated by WRF command a reasonable feature on the dispersion of ozone concentrations in each city according to regional warming. This causes a difference in estimated ozone concentration. A higher ozone concentration difference tend to be forecasted in coastal cities than in upcountry city. Therefore, the emission reduction policy according to the regional warming should consider the characteristics of meteorological contribution of each city.

• Journal of Korean Society of Rural Planning
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• v.24 no.3
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• pp.127-135
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• 2018

In countries and regions population plays an important role. Recently the importance of population migration increased as population growth slowed. Researches on population migration are mainly focused on the analysis of the population movement factors and the regional structure analysis using the network analysis method. Analysis of regional structure through population movement is not enough to explain the phenomenon of migration of small cities and rural regions. In this study, to overcome the limit of previous studies the characteristics of the population movement rate according to the size of the population were analyzed. Also network analysis using the population movement OD (Origin and Destination) and population movement rate OD were conducted and the results of them were compared. As the results of analysis by the regional population scale, the population movement by population size showed a big difference in the areas with more than 100 thousand people and less than 100 thousand people. Migration to the outside of the province was the most frequent in regions with 30,000~50,000 people. The population migration rate network analysis result showed that the new area with large population inflow capacity was identified, which could not be found in the population movement network analysis because population movement number is small. The population movement rate irate is expected to be used to identify the central regions of the province and to analyze the difference in resident attractiveness.

• Hwankyungkyoyuk
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• v.22 no.1
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• pp.56-67
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• 2009

The purpose of this study is to investigate the effect on the middle school students' attitude toward environment and interest in regional ecology and environment problem with PBL. The experimental group was made up with 96 students who were sampled for this study, and PBL program was applied to this group. The controlled group consisted of 103 students who were sampled this study, and traditional teaching method was applied to this group. The result is as follows: First, there was a statistically meaningful difference in attitude toward environment between two groups(F=51.929, p<0.1). It shows that PBL is very effective in attitude toward environment. Second, there was a statistically meaningful difference in interest for regional ecology and environment problem between two groups(F=9.707, p<0.1). It shows that PBL is an effective way to take learners' interest in regional ecology and environment problem. Third, The interview result shows that students who were applied to PBL comprehensed causes, solution and importances of the environment problem. Furthermore, the self-directed learning in PBL can make learners control their learning.

• Korean Journal of Heritage: History & Science
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• v.41 no.1
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• pp.21-33
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• 2008

In this study, the researcher examined archaeomagnetic secular variation of Chungcheong Region through measured data of archaeomagnet obtained from 34 relics, which discovered in the baked earth from varied historic sites within the region. Furthermore, the researcher closely reviewed regional differences of geomagnetic field in the domestic territory. Reviewing the comparison between the measured data of archaeomagnet in Chungcheong Region and the archaeomagnetic secular variation of Japan, which has difference in distance, it reveals a noticeable change in declination by tilting more than 10 degree toward East in the year of about A.D. 300, although the feature of whole variation is quite similar. In other period of times, it was confirmed that the regional differences of geomagnetic field in which the magnetic dip became deeper to some degree, and the declination was tilted westward a little bit. Such patterns do not differ significantly from the pattern of entire archaeomagnetic secular variation of our country, and even in the direct comparison to the data of Chungcheong Region, the distinct regional difference in both periods before and after Christian era was not confirmed. The fact may become clearer that, when the volume of the measured data of archaeomagnet increases further, and when more data connected with varied time period are filled, the problem such as deviation of the measurement period of archaeomagnet caused by the regional difference of geomagnetic field would not be worrisome issue, especially in Korean territory, judging from the measured data of archaeomagnet of historic relics in Chungcheong Region. Besides, as great efforts are being exerted in order to get the most reliable measured data as much as possible in taking both samples and measurement, it is thought that there would be no problem not only in the issue of deviation of the measurement period involving with the measured data of archeomagnet, but also in the aspect of reliability of data.

• The Korean Journal of Pain
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• v.22 no.2
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• pp.146-150
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• 2009

Background: A skin temperature difference is one of the variables used in the diagnosis of complex regional pain syndrome. However, there have been no reports as to whether the real (${\Delta}T$) or absolute value ($|{\Delta}T|$) of skin temperature differences should be used in the diagnosis of complex regional pain syndrome. This study was conducted to compare the diagnostic validity of ${\Delta}T$ with $|{\Delta}T|$ for complex regional pain syndrome using receiver operating characteristic curves (ROC). Methods: Infrared thermographic images were obtained from the 144 patients who were suspected to have CRPS in a unilateral limb. After ${\Delta}T$ and $|{\Delta}T|$ calculation from the thermographic image, ROCs of ${\Delta}T$ and $|{\Delta}T|$ were developed, and the areas under the curve (AUC) for the ROC curves were compared. Results: AUCs of ${\Delta}T$ and $|{\Delta}T|$ were 0.520 and 0.746 respectively, this difference was statistically significant (P < 0.001). Conclusions: Absolute skin temperature difference shows greater validity in the diagnosis of CRPS than ${\Delta}T$. Therefore, $|{\Delta}T|$ is more useful when comparing the skin temperature of CRPS patients.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.4
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• pp.2085-2092
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• 2014

This study aims at finding the effects, problems and implication of the regional economic growth led by regional strategic industries in the Chungnam Province. It identifies the contribution of regional strategic industries in the regional economic growth even though there is somewhat difference between the sub-sectors of the industries. It also finds out some problems with the selection and implementation processes. In order to improve the regional industrial policy, it need to apply portfolio type of regional industrial development strategy on according to the typology of the industrial growth stages.

• Journal of the Korean Institute of Rural Architecture
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• v.6 no.3
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• pp.15-24
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• 2004

Korea is facing a serious elderly problem, because the elderly population and households have been increasing radically. To cope with the coming elderly problem, social welfare services and elderly housing need to be carefully prepared. Especially, elderly housing has been recognized to be promising to solve the great portion of the problem. In this point of view, I attempted, in this study, to show the theoretical bases on the residential environment for the elderly households and their residential consciousness. I make a survey of residential consciousness of the elderly on 575 Koreans aged 60 or more, and analyze the difference of residential consciousness of them by regional comparison of the elderly. The result of this study will be expected to be a reference to the housing planning for the elderly household in Korea.

• Journal of Korean Society of Forest Science
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• v.83 no.4
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• pp.521-530
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• 1994

Voume functions, which are usually expressed by the function of dbh and height, are estimated commonly through the regression analysis with the highest statistical accuracy considered. In Korea, general volume functions for each tree species were prepared by means of the regression analysis with the exponential function ($V=aD^bH^c$) having the dbh(D) and height(H) as independent variables. In this study, regional stem curve functions for the Pinus densiflora in Kangwon-province were derived and a regional volume function model, in which the stem volume can be directly estimated through the rotational integral of the regional stem curve functions, was prepared. The regional volume estimated by the prepared model was more accurate than the volume by the general volume table for the Pinus densiflora in Kangwon-province. Additionary, the form of stem curves derived by the regional stem curve functions showed difference from each other. The stem in Youngwol and Wonju taper down more fast in upper part than that in other regions. These various stem forms also led to the regional difference in volume estimates.

• Journal of The Korean Society of Agricultural Engineers
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• v.50 no.3
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• pp.115-123
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• 2008

Evapotranspiration mapping using both meteorological ground-based measurements and satellite-derived information has been widely studied during the last few decades and various methods have been developed for this purpose. It is significant and necessary to estimate regional evapotranspiration (ET) distribution in the hydrology and water resource research. The study focused on analyzing the surface ET of Chungbuk region using Landsat 7 ETM imagery. For this process, we estimated the regional daily evapotranspiration on May 8, 2000. The estimation of surface evapotranspiration is based on the relationship between Temperature Vegetation Dryness Index (TVDI) and Morton's actual ET. TVDI is the relational expression between Normalized Difference of Vegetation Index (NDVI) and Land Surface Temperature (LST). The distribution of NDVI corresponds well with that of land-use/land cover in Chungbuk. The LST of several part of city in Chungbuk region is higher in comparison with the averaged LST. And TVDI corresponds too well with that of land cover/land use in Chungbuk region. The low evapotranspiration availability is distinguished over the large city like Cheongju-si, Chungju-si and the difference of evapotranspiration availability on forest and paddy is high.

• Journal of the Korean housing association
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• v.12 no.2
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• pp.65-76
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• 2001

The study background is that Mo-Jung happens as the produce of the agricultural society but it is not easy to find it beside Ho-nam area. Because of this, it results construction has. The study progress is to understand the happening time, and regional cause the Mo-Jung construction has. The study progress is to understand the happening time of Mo-Jung, constructional meaning, and the meaning of Mo-Jung with the investigation method of literature consideration of the village society, data of the existing study, survey investigation, interview, and question through the process of analyzing the characteristics of differentiation of the village and Dure organization. 1. Mo-Jung construction has the meaning of vernacular construction reflecting the meaning of village community intensively as an element comprising the village, and the territory of Mo-Jung space is revealed as the male space. 2. The economic wealth of the village community and the image reflecting the community sense are stood out. 3. It is the reason why Mo-Jung construction is limited to Ho-nam area and is explained as the life style difference each village community has, the regional characteristic difference Dae-dong play of Yong.Ho-nam areas have, etc. so to speak. 4. It is estimated that the happening time of Mo-Jung is after the 18th century when the agricultural As my suggestion, Mo-Jung construction is the construction phenomenon reflecting the phenomenon of social change directly and it is to suggest the possibility of approaching the regional housing construction as the life style difference the life community of each area has is reflected. production quantity was increased and Dure organization was activated.