Journal of the Korean Association of Geographic Information Studies
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v.22
no.4
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pp.86-101
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2019
Remote sensing technology has been continuously developed both quantitatively and qualitatively, including platform development, exploration area, and exploration functions. Recently, the use cases and related researches in the agricultural field are increasing. Also, since it is possible to detect and quantify the condition of cropland and establish management plans and policy support for cropland and agricultural environment, it is being studied in various fields such as crop growth abnormality determination and crop estimation based on time series information. The purpose of this study was to analyze the vegetation index for agricultural land reclamation area using a UAV equipped with a multi-spectral sensor. In addition, field surveys were conducted to evaluate the accuracy of vegetation indices calculated from multispectral image data obtained using UAV. The most appropriate vegetation index was derived by evaluating the correlation between vegetation index calculated by field survey and vegetation index calculated from UAV multispectral image, and was used to analyze vegetation index of the entire area.
Journal of The Korean Association of Information Education
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v.18
no.2
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pp.243-254
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2014
We need problem solving abilities based on the information abilities in information-oriented society. New curriculum is demanded by new technology and circumstance to need the core competencies. Korea Association of Information Education has studied new curriculum and suggested new plans that contents of information education classified by 'Software', 'Computer System' and 'Convergence Activities.' Therefore, we studied on 'Problem Solving' topic of the 'Software' section of first grade to ninth grade. In this paper we firstly categorized 'Problem Solving' as 'Problem Comprehension and Analysis', 'Data Management', 'Strategy Establishment for Problem Solving', 'Problem Solving Method Seeking and Development' and 'Examination of Problem Solving Method.' We nextly suggested the achievement goals, teaching-learning methods and evaluation methods of 'Problem Solving' topic. We expect that the achievement goals and teaching-learning methods we suggested about 'Problem Solving' topic will contribute to training talented individuals.
This study aims to investigate the factors on help-seeking behaviors among the disabled experiencing lifelong domestic violence and suggest practical plans to address the problems. According to an analysis of the data of the "2010 Domestic Violence Survey of South Korea", the occurrence rate of lifelong physical violence is 12.1% and that of severe physical violence is 6.2% among 273 adults with disabilities. The rate of help-seeking among the disabled experiencing lifelong domestic violence is 26.3%, which means two-thirds of the disabled experiencing domestic violence do so for a long time. The results of the study show that the experience of severe physical violence(p<.05), attitudes toward violence(p<.05), and awareness of domestic violence and related laws(p<.05) were found to have an impact on help-seeking behaviors among adults with disabilities experiencing domestic violence. However, an accepting attitude of disability and social connections of disabled were not found to have an impact on help-seeking behaviors. Based on these results, this study suggested raising awareness about domestic violence among the disabled, educating people with disabilities not to tolerate violence and informing them about the domestic violence-related legal system, and training service professionals (social workers, health professionals etc.) to screen the disabled for domestic violence and prevent them from becoming domestic violence victims.
The purposes of this dissertation are to identify various factors affecting the outcomes of feasibility analysis and investment decision makings of new IT project plans and empirically analysis the relationships among them. 9 variables which have been drawn from prior studies and industry practices are the amount of the necessary resource such as development budget and time, the expect financial benefits, the degree of alignments between IT projects and the business strategy, the estimated risk, and the investment priority as the dependent variable. Data from 125 IT projects of K bank, the leading commercial bank in Korea, have been collected and Regression Analysis and ANOVA have been performed. As results, 5 out of 8 hypothesis have been accepted partially or totally.
This study was designed to provide basic data on preventive plans by affecting factors that have analysed on musculoskeletal diseases. The survey were conducted from July 1 to 30, 2004 among 600 hair dressers working in Seoul and Gwangju using self-administration questionnaire. The results of this study are summarized as follows: The pain experience rate of musculoskeletal diseases. in the last one year was $55.2\%,\;35.7\%$ of respondents answered they had pain on shoulders, $30.6\%$ had pain on legs and feet, $28.9\%$ had pain on waist, $26.8\%$ had hands, fingers and wrist, $22.3\%$ had pain on necks and $17.6\%$ had pain arms and elbows more than disease on necks, shoulders, arms and elbows, hands, fingers and wrists, waist, shoulders legs and feet. The prevalence rate of the last week was $40.3\%$. The prevalence rate in each body parts of the last week was $23.3\%$ on legs and feet, $21.2\%$ on shoulders, $20.8\%$ on waist, $14.9\%$ on hands, fingers and wrists, $14.4\%$ on necks, $9.3\%$ on arms. Based on the results above, working posture, job stress and physical burden from task are highly related with pain. In order to prevent musculoskeletal disease of hairdressers, working posture shall be improved and leisure opportunities to relieve stress, and health management education shall be provided.
This study was designed to provide basic data on preventive plans by affecting factors that have analysed on musculoskeletal diseases. The survey were conducted from July 1 to 30, 2004 among 600 hair dressers working in Seoul and Gwangju using self-administration questionnaire. The results of this study are summarized as follows: The pain experience rate of musculoskeletal diseases. in the last one yea was 55.2%. 35.7% of respondents answered they had pain on shoulders, 30.6% had pain on legs and feet, 28.9% had pain on waist, 26.8% had hands, fingers and wrist, 22.3% had pain on necks and 17.6% had pain arms and elbows more than disease on necks, shoulders, arms and elbows, hands, fingers and wrists, waist, shoulders legs and feet. The prevalence rate of the last week was 40.3%. The prevalence rate in each body parts of the last week was 23.3% on legs and feet, 21.2% on shoulders, 20.8% on waist, 14.9% on hands, fingers and wrists, 14.4% on necks, 9.3% on arms. The affecting factors on musculoskeletal disease index were analysed by multiple linear regression analysis. there are working posture$(\beta=0.27)$; authority of task$(\beta=0.18)$, self-conscious stress $(\beta=0.16)$, age$(\beta=0.14)$, physical burden from work$(\beta=0.13)$, and task required$(\beta=0.10)$. Determinant coefficients was 22.7%. Based on the results above, working posture, job stress and physical burden from task are highly related with pain. In order to prevent musculoskeletal disease of hairdressers, working posture shall be improved and leisure opportunities to relieve stress, and health management education shall be provided.
This study was a case study on the connection of volleyball classes for middle school girls. It presents concrete examples of girls' links in school and out of school. Data analysis was organized by classifying volleyball classes from regular curriculum, school sports clubs, club activities, school leagues, and community related classes. In addition, the meanings of the categories were analyzed and interpreted and reconstructed around the possibility of practice at school. The results of this study were divided into experiences in volleyball classes, volleyball lessons using creative and convergence classes. In the discussion, the study was analyzed as connected classes within the school and outside the school. Suggestions were given on teachers' practical studies, best case studies on class linkage, plans to link school sports-life sports-professional sports, and participation and connection of female students in class.
According to the research on the gender ratio of furniture design courses at universities, female students account for 70 to 80 percent of the total enrollments. Likewise, other design courses reveal the similar trend. Even though female students want to build up their career in the furniture design or related fields, the figure is not so high. There is a trend that many female designers tend to take time off or quite their jobs after their marriage for that reasons such as pregnancy, childbirth, the upbringing of children and so on. The study also shows that women with higher education feel more difficult to resume their careers after being left from economic activity for a long period; this results in the lower figure of women involved in the specialized jobs than men. In particular, the furniture companies avoid hiring old female designers because they believe that younger candidates are more capable of learning the latest style; therefore, it has become harder for the job seeks to win the competition in the job market. The data released by Statistics Korea in 2015 shows that there was the higher increase in female employees than the figure of the male workers, compared to the previous year. As it can be seen, female workforce was emerged as the new growth power; Nevertheless, the working environment and conditions haven't meet the demands from women despite the gradual rise of female job seekers inspired by their wish to achieve self-realization, gender equality. To conclude, this is to suggest the plans for the foundation and management of small-scale carpentry studios so that women, who have a degree in furniture design studies and wish to resume their careers after their long breaks, start their own carpentry studios so as to reach self-realization and feel satisfied with their work while earning their livelihoods.
This study was conducted to investigate the satisfaction of school dietitians with foodservice facilities and utilities in the Chonbuk area of Korea. Self-administered questionnaires were collected from a total of 22 dietitians. Statistical data analysis was completed using the SPSS v. 10.0 program. The results are summarized as follows. Among the 222 school foodservice systems, 68.5% of the schools prepared meals the conventional way and 31.5% prepared them the commissary way. Most of the school foodservice facilities were located on the first floor. Satisfaction with the location of the foodservice facility was not significantly different between the conventional and commissary systems. However, overall dietitian satisfaction with the foodservice facility locations was poor. Approximately 30% of the dietitians responded that one of the most important problems for foodservice management was the limited space and worn-out equipments in the kitchens. For dietitians' satisfaction on the types of facilities present, most schools had constructed dietitian offices, food storage facilities, cafeterias, rest rooms, dressing rooms, and preparation facilities. Yet, the amenities most often missing were storage facilities, preparation facilities, dressing rooms, rest rooms, etc. For overall satisfaction with the status of facilities and utilities, we found no significant differences between dietitians in the conventional(2.89) and commissary foodservice systems(2.86); however, the satisfaction level among the dietitians was poor. Therefore, governmental regulation agencies need to review and approve plans prior to the new construction or extensive remodeling of school foodservice facilities. Finally, content analysis was also conducted regarding the dietitians' opinions on foodservice facilities and utilities.
Journal of The Korean Society of Agricultural Engineers
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v.60
no.4
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pp.49-54
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2018
With increasing satellite-based RS(Remotely Sensed) techniques, RS soil moisture footprints have been providing for various purposes at the spatio-temporal scales in hydrology, agriculture, etc. However, their coarse resolutions still limit the applicability of RS soil moisture to field regions. To overcome these drawbacks, the LDA(Landsat-based Downscaling Algorithm) was developed to downscale RS soil moisture footprints from the coarse- to finer-scales. LDA estimates Landsat-based soil moisture($30m{\times}30m$) values in a spatial domain, and then the weighting values based on the Landsat-based soil moisture estimates were derived at the finer-scale. Then, the coarse-scale RS soil moisture footprints can be downscaled based on the derived weighting values. The LW21(Little Washita) site in Oklahoma(USA) was selected to validate the LDA scheme. In-situ soil moisture data measured at the multiple sampling locations that can reprent the airborne sensing ESTAR(Electronically Scanned Thinned Array Radiometer, $800m{\times}800m$) scale were available at the LW21 site. LDA downscaled the ESTAR soil moisture products, and the downscaled values were validated with the in-situ measurements. The soil moisture values downscaled from ESTAR were identified well with the in-situ measurements, although uncertainties exist. Furthermore, the SMAP(Soil Moisture Active & Passive, $9km{\times}9km$) soil moisture products were downscaled by the LDA. Although the validation works have limitations at the SMAP scale, the downscaled soil moisture values can represent the land surface condition. Thus, the LDA scheme can downscale RS soil moisture products with easy application and be helpful for efficient water management plans in hydrology, agriculture, environment, etc. at field regions.
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