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        도시공원 야간경관의 조성 과정과 실태 분석 - 여의도공원을 중심으로 -

        김현근,김아연 한국조경학회 2018 韓國造景學會誌 Vol.46 No.2

        Light has been an essential part of human life. The advancement of technology has changed cities’ nightscape andnight activities in a drastic way. Lighting has influenced the identity of a city while promoting a variety of civic nighttimecultural pursuits, yet lighting design has not been considered adequately in the field of landscape architecture. This studyaims to analyze the current status of lighting in urban parks through interviews with professionals, literature and regulationreviews, analysis of design documents and a field survey focused on Yeouido Park in Seoul. The findings and improvementdirections are as follows. First, it is necessary to develop a specific lighting design method in order to avoid a marginalized,passive approach such as light fixture installation. Second, the existing standards of illuminance by KS A 3011 regulatingonly horizontal illuminance has turned out not to evaluate the current nightscape of urban parks properly. Therefore thecriteria and guideline for analysis and design for nightscape should be articulated. Third, there are no design or managementstrategies to consider the changing landscape of urban parks, which is necessary due to the changing characteristics ofpark ecosystems. Lastly, detailed guidelines for distinguished spaces in urban parks should be studied and suggested. 빛은 인간 생활을 결정하는 중요한 요소이다. 인류가 인공적으로 빛을 다룰 수 있게 된 이래 조명은 도시의 야간문화와 경관을 획기적으로 바꾸어 놓았다. 야간 경관은 도시의 정체성에 지대한 영향을 미친다. 시민들의 야간 활동이늘어나면서 조명에 대한 다양한 요구가 늘어나는 추세이지만, 정작 경관을 다루는 조경 분야의 계획․설계과정에서 조명계획은 비중 있게 다루어지지 않았다. 본 연구는 우리나라 도시공원의 야간경관의 실태를 분석하기 위해 공원의 계획및 조성 과정과 제도적 측면의 문제점을 파악하고, 여의도공원을 대상으로 도면 분석과 현장 조사를 통해 문제점을도출하였다. 현재 도시공원의 야간경관과 관련한 실태 분석의 결과는 다음과 같다. 첫째, 공원의 계획·설계 과정에서조명계획은 설비 분야에 포함되어 개략적인 수준으로만 다루어져왔고, 이는 실제 공원의 단조로운 야간경관을 초래했다고 볼 수 있다. 따라서 공원의 분석-계획-설계-시공-관리 과정에서 야간경관의 연출을 적극적으로 수용할 수 있는 방법론이개발되어야할 것이다. 둘째, 현재 도시공원에 적용 가능한 기준은 한국산업규격(KS A 3011)의 수평조도 규정에 그치고있어 야간경관 평가와 계획의 세부 기준 항목을 다양하게 개발할 필요가 있다. 셋째, 성장하는 수목과 복합적인 자연생태계의 특성을 고려할 수 있는 야간경관 설계 및 관리 방안이 필요하다. 넷째, 공원의 공간별 특성에 맞는 세부 디자인 가이드라인과 관련 기준이 필요하다.

      • KCI등재
      • KCI등재

        해군분석모델용 AI-CGF를 위한 시나리오 생성 모델 설계(I): 진화학습

        김현근,강정석,박강문,김재우,김장현,박범준,지승도 한국군사과학기술학회 2022 한국군사과학기술학회지 Vol.25 No.6

        Military training is an essential item for the fundamental problem of war. However, there has always been a problem that many resources are consumed, causing spatial and environmental pollution. The concepts of defense modeling and simulation and CGF(Computer Generated Force) using computer technology began to appear to improve this problem. The Naval Operations, Resources Analysis Model(NORAM) developed by the Republic of Korea Navy is also a DEVS(Discrete Event Simulation)-based naval virtual force analysis model. The current NORAM is a battle experiment conducted by an operator, and parameter values such as maneuver and armament operation for individual objects for each situation are evaluated. In spite of our research conducted evolutionary, supervised, reinforcement learning, in this paper, we introduce our design of a scenario creation model based on evolutionary learning using genetic algorithms. For verification, the NORAM is loaded with our model to analyze wartime engagements. Human-level tactical scenario creation capability is secured by automatically generating enemy tactical scenarios for human-designed Blue Army tactical scenarios.

      • KCI등재

        경력성장기회, 역할과부하, 심리적 자본이 일-가정균형만족에 미치는 영향에 관한 연구: 직무요구-자원이론을 중심으로

        김현근,안성익 한국기업경영학회 2016 기업경영연구 Vol.23 No.4

        Increased women workers and environmental changes drew academic and practical interest about work-family issues. Consequently, large number of studies has been exploring the right way to change physical work conditions to reduce the negative effects caused by work-family conflict. Naturally, improving physical work condition is fundamental and best way to resolve the problem related with work-family issues but cannot be taken easily by firms because it requires a great deal of time and resources. If all the firms are forced to follow the present solution that the existing studies recommended, they will confront different kinds of problems that are mostly related to labor cost increase. By the consequence, most firm will never implement the recommendation volunteerly because of financial restriction in short-term period. In other words, the solutions that were developed from the view point of proving physical work condition cannot be accepted before the firms change their financial plan and rearranging the human resource. So, we should look for different approaches to work-family issues in short term period in which management cannot arrange physical work condition. However, little attention is paid to the temporal methods to improve employees’ attitude and performance with the given work condition related with work-family issues. To fulfill our purpose, we compare the several approaches of work-family issues such as work-family conflict, work-family enrichment, work-family balance, and satisfaction with work-family balance. After deep contemplation, we decided to adopt satisfaction with work-family balance for several reasons. According to Valcour(2007), satisfaction with work-family balance has more advantages over other concepts. While work-family conflict approach and work-family enrichment approach should consider the direction of influence (e.g., ‘from work to family’ or vice versa), work-family balance approach and satisfaction with work-family balance do not consider the direction. Work-family balance is well known in practical side but its construct is not yet developed well from academic perspective. Most of all, the others except satisfaction with work-family balance do not consider psychological side and do not support our research purpose. In this vein, adopting the concept of SWFB(satisfaction with work-family balance) that empathizes psychological aspect of work-family issues we investigated the effects of PCGO(perceived career growth opportunity) and PsyCap(psychological capital) on SWFB even when role-overload is controlled. In addition, we also investigated mediating effects of PsyCap between PCGO and SWFB. For empirical test, we collected 353 data from married Korean employees and conducted structural equation model analysis. The results showed that the path from PCGO to PsyCap and the path from PsyCap to SWFB were supported in positive sign but the direct path from PCGO to SWFB was supported in negative sign. With these result, we discussed the possibility for managing work-family issue temporarily without changing physical work condition. 여성들의 경제활동 참여 증가 등 경영환경의 변화로 인해 일-가정 이슈에 대한 실무 및 학계의 관심이 증가하였고, 그 결과, 많은 연구들이 일-가정갈등의 부정적인 영향 감소를 위한 물리적 근무여건 개선 방안을 연구해 오고 있다. 물리적 근무여건 개선이 일-가정 이슈 관련 문제 해결을 위한 근본적인 방안이지만, 많은 시간과 자원의 소모로 인해 단기적으로 기업들이 받아들이기가 쉽지 않다. 그럼에도 불구하고, 주어진 근무여건 안에서 종업원 태도와 성과를 증진하는 단기적 측면의 해결방안에 대해서 거의 관심을 보이고 있지 않다이에, 본 연구는 일-가정이슈에서 심리적 측면을 강조하는 일-가정균형만족의 개념을 도입하여, 역할과부하가 통제된 상태에서 경력성장기회와 심리자본이 일-가정균형만족에 미치는 영향을 살펴보았고, 경력성장기회와 일-가정균형만족 간 관계에서 심리자본의 매개효과도 살펴보았다. 353명의 기혼 직장인을 대상으로 설문을 분석한 결과 경력성장기회의 부(-)의 영향과 심리적 자본의 정(+)의 영향을 확인할 수 있었고, 심리적 자본의 정(+)의 매개효과를 통해 경력성장기회로 인한 부정적인 요인을 줄일 수 있음을 확인하였다. 이상의 결과를 바탕으로 물리적 근무여건 변화 없이 잠정적으로 일-가정 이슈를 관리하는 방안에 대해서 논의하였다.

      • KCI등재후보

        결핵성 십이지장누공으로 발견된 후천면역결핍증후군 1예

        김현근,최순욱,안주영,박상준,김윤권,김소연,조재현 대한감염학회 2009 감염과 화학요법 Vol.41 No.6

        Extrapulmonary tuberculosis, such as intestinal tuberculosis, has become more common with the increase in human immunodeficiency virus infection. However, the diagnosis and treatment of intestinal tuberculosis are often delayed because the symptoms are nonspecific and diverse. We experienced a case of AIDS with intestinal tuberculosis that manifested as a duodenal fistula. The presence of AIDS should be suspected in patients who have extrapulmonary tuberculosis with atypical presentations.

      • KCI등재

        Upregulation of the Vitamin D Receptor in the Nasal Mucosa of Patients With Allergic Rhinitis

        김현근,Da Bin Lee,Tae Hoon Lee,최보윤,한문수,이상학,김태훈 대한비과학회 2021 Journal of rhinology Vol.28 No.3

        Background and Objectives: Vitamin D modulates immunity, including that of allergic diseases, and plays its roles through contact with vitamin D receptors (VDR). Recent studies have shown that patients with allergic rhinitis have low systemic serum vitamin D level. However, the expression of VDR in local tissue such as human nasal mucosa has not been investigated. Our study demonstrated that, in nasal mucosa of normal controls and patients with allergic rhinitis. Materials and Methods: Nasal mucosa were harvested from twenty-five patients who had normal nasal mucosa and twenty-five patients with allergic rhinitis. After the total RNA isolation, we performed reverse transcriptase-polymerase chain reaction, immunohistochemical staining and western blot analysis. Results: VDR were expressed in submucosal glands and the superficial layer of epithelial cell, and that inflammatory cells are expressed more highly in the nasal mucosa of patients with allergic rhinitis compared to those without. In the mucosa of patients with allergic rhinitis, VDR expression level was upregulated compared to that in normal nasal mucosa. Conclusion: This findings suggest that VDR plays a role in the pathogenesis of allergic rhinitis. Additional research is needed to determine the mechanism and consequences of VDR upregulation. Background and Objectives: Vitamin D modulates immunity, including that of allergic diseases, and plays its roles through contact with vitamin D receptors (VDR). Recent studies have shown that patients with allergic rhinitis have low systemic serum vitamin D level. However, the expression of VDR in local tissue such as human nasal mucosa has not been investigated. Our study demonstrated that, in nasal mucosa of normal controls and patients with allergic rhinitis.Materials and Methods: Nasal mucosa were harvested from twenty-five patients who had normal nasal mucosa and twenty-five patients with allergic rhinitis. After the total RNA isolation, we performed reverse transcriptase-polymerase chain reaction, immunohistochemical staining and western blot analysis.Results: VDR were expressed in submucosal glands and the superficial layer of epithelial cell, and that inflammatory cells are expressed more highly in the nasal mucosa of patients with allergic rhinitis compared to those without. In the mucosa of patients with allergic rhinitis, VDR expression level was upregulated compared to that in normal nasal mucosa.Conclusion: This findings suggest that VDR plays a role in the pathogenesis of allergic rhinitis. Additional research is needed to determine the mechanism and consequences of VDR upregulation.

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