• 농업생명과학연구
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• 제46권3호
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• pp.47-58
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• 2012

본 연구는 기후변화에 따른 난대상록수종인 황칠나무의 적지예측모델을 개발하기 위하여 수행하였다. 생장 및 입지환경 인자들간의 관계 구명을 통하여 양적 질적 자료 분석이 가능한 수량화 분석 방법에 의하여 황칠나무의 적지예측 평가기준을 도출하였다. 적지예측 프로그램은 ESRI, ArcView GIS 프로그램을 이용하여 개발하였다. 개발된 프로그램은 적지예측의 정확성 검토를 위하여 다양한 난대 상록활엽수가 분포하고 있는 전남 완도 지역에 적용하였다. 황칠나무의 적지예측 분석 결과, 최적지 표고 401~500m, 경사도 $15^{\circ}$ 이하, 국소지형은 산복 계곡부위, 퇴적양식 붕행토, 방위가 남쪽인 요철사면으로 나타났다. 완도지역의 황칠나무 최적지 등급별 맵핑 면적은 I 등급 1,487.2ha(25.4%), II 등급 1,020.3ha (17.4%), III 등급 2,231.8ha(38.2%), IV 등급 1,110.5ha(19.0%)로 나타났다.

• 한국수자원학회논문집
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• 제41권8호
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• pp.835-843
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• 2008

한국에서는 증가하는 용수수요에 대처하기 위해 1990년대부터 낙동강 유역의 지자체들에서 강변여과수를 활용하고 있다. 본 연구에서는 서울의 원수수질 안정을 위한 방안으로 강변여과 도입의 타당성을 검토하였다. 선행 논문에서 계층분석과정(AHP)에 의해 선택된 광나루지구에 대한 개발가능량 평가를 위해 지하수 모델링이 수행되었다. 광나루지구에서는 생태계보존지역 등을 고려하여 하천부지 약 1,200m 구간에 대해 관정시스템을 구축할 수 있을 것으로 파악되었다. 취수량을 늘리기 위한 방안으로 인공호수의 조성이 제안되었다. 80m 간격으로 16개의 관정을 설치할 경우 적정개발량은 연간 약 2,336만$m^3$으로 산정되었다.

• 한국관개배수논문집
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• 제14권1호
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• pp.80-88
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• 2007

The Shuttle Radar Topography Mission (SRTM) obtained elevation data on a near-global scale to generate the most complete high-resolution digital topographic database of Earth. SRTM consisted of a specially modified radar system that flew onboard the Space shuttle SRTM consisted of a specially modified radar system that flew onboard the Space Shuttle Endeavour during an 11-day mission on February 2000. Since 2004, in a GLCF (Global Land Cover Facility, http;//glcf.umiacs.umd.edu/) web-site, products of SRTM including 1Km and 90m resolutions for outside US and a 30m resolution for the US have been provided. This study is to assess the accuracy of SRTM-DEM in comparing with NGIS-DEM generated from NGIS digital topographic map(1:25,000) in Guem river watershed. For the Geum river watershed, SREM-DEM elevation ranged from 0 to 1,605m and NGIS-DEM ranged from 6 to 1,610m, and the average elevation of SRTM-DEM was 226.7m and 218.9m for NGIS-DEM, respectively. NGIS-DEM was subtracted from SRTM in three zones -Zone I (0~100m), Zone II (100~400m), Zone III (over 400m)- to estimate difference between SRTM and NGIS-DEM. As the results, the differences of these DEM were 5.2m (11.6%) in Zone I, 8.8m (3.8%) in Zone II, 12.5m (2.1%) in Zone III. Although there were differences between SRTM-DEM and NGIS-DEM, SREM-DEM would be possible to be utilized as DEM data for the region where DEM is not prepared.

• Earthquakes and Structures
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• 제22권2호
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• pp.185-201
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• 2022

Structural Health Monitoring (SHM) is used to provide reliable information about the structure's integrity in near realtime following extreme incidents such as earthquakes, considering the inevitable aging and degradation that occurs in operating environments. This paper experimentally investigates an integrated wireless sensor network (Wi-SN) based monitoring technique for damage detection in concrete structures. An effective SHM technique can be used to detect potential structural damage based on post-earthquake data. Two novel methods are proposed for damage detection in reinforced concrete (RC) building structures including: (i) Jerk Energy Method (JEM), which is based on time-domain analysis, and (ii) Modal Contributing Parameter (MCP), which is based on frequency-domain analysis. Wireless accelerometer sensors are installed at each story level to monitor the dynamic responses from the building structure. Prior knowledge of the initial state (immediately after construction) of the structure is not required in these methods. Proposed methods only use responses recorded during ambient vibration state (i.e., operational state) to estimate the damage index. Herein, the experimental studies serve as an illustration of the procedures. In particular, (i) a 3-story shear-type steel frame model is analyzed for several damage scenarios and (ii) 2-story RC scaled down (at 1/6th) building models, simulated and verified under experimental tests on a shaking table. As a result, in addition to the usual benefits like system adaptability, and cost-effectiveness, the proposed sensing system does not require a cluster of sensors. The spatial information in the real-time recorded data is used in global damage identification stage of SHM. Whereas in next stage of SHM, the damage is detected at the story level. Experimental results also show the efficiency and superior performance of the proposed measuring techniques.

• 모자간호학회지
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• 제4권1호
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• pp.3-11
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• 1994

Presently there is an increasing demand for home health care services due to changes in the demographic structure as a result of an increasing elderly population, socio-economic improvements, and changes in the family structure, as well as the growing number of people with degenerative diseases. In addition to these reasons, rising medical costs and there a shortage of patient beds space in the hospital, particularly since introduction of national medical insurance. There has been an increasing demand for health care health care services. This study was done to identify the basic data for home health care management. It focused on developing client selection criteria, assessment tools, and recording methods. This was accomplished by the researchers visiting the patients in their homes. The research process included preparation investigation, tool development, training of the project researcher, and visiting the clients in their homes. The research tools are as follows : 1. Record development : a) The selection criteria tool for home health care of postpartum women was a structured tool and consisted of four parts. b) The structured assessment tool consisted of a general items, obstetric history, past medical history, methods of feeding, medications taken before admission, laboratory test results, discharge instructions, discharge medications, family tree, economic status, environmental status, a map, health assessment of postpartum women and their newborns. c) The visit note I consisted of the frequency of visits. Visit note II consisted of the date ; nursing problems ; nursing process including the initial assessment ; nursing goal ; visit plan ; postpartum women and their neonate health status, diagnosis, goal, implementation, evaluation, summary, next plan, for visit revision. d) Problem note consisted of the date, problem numbers, nursing diagnosis, problem appearance date problem resolution date. The research results are as follows : 1. Nursing problems : The nursing problems of the postpartum women and their neonates were evaluated by the number of nursing diagnoses and the change in the pattern of nursing diagnosis related to the number of visits. a) Nursing diagnosis The nursing diagnosis was classified according to physical function, psychosocial function, family system maintained function. b) The changes of nursing diagnosis related to the number of visits. As the type of nursing diagnosis changed related to the number of visits the number of nursing diagnoses decreased. 2. Contents of home health care : The content was categorized according to assessment, direct care, counseling, education, family care, reporting to with the attending doctor. The recommendations based on the research results are as follows : 1. Tool development Replication of this study is needed to test the validity of the assessment tools used. 2. Home visit a) Home health care nurses should be licensed and qualified. A referral form from the attending doctor is needed for legal protection of nurses. b) The first home visit need to be within 24 hours of discharge from the hospital to decrease the anxiety of frightened postpartum women. c) When the changes occur in the newborn's status, home health care nurses should consult a pediatrician. Communication within the home healthcare team is essential and needs to consistent and done smoothly. 3. Home health care A Study is required to develop protocols for education of staff and for operation of all aspects of this program.

• Nuclear Engineering and Technology
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• 제52권7호
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• pp.1557-1564
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• 2020

In this paper, 3D model-based interactive gamma ray shielding package (MIGSHIELD) is developed in virtual reality platform for windows operating system. In MIGSHIELD, the computational methodology is based on point kernel algorithm (PK), several key parameters of PK are obtained using new technique and new methods. MIGSHIELD has interactive capability with virtual world. The main features made in the MIGSHIELD are (i) handling of physical information from virtual world, (ii) handling of arbitrary shapes radioactive source, (iii) calculating the mean free path of gamma ray, (iv) providing interactive function between PK and virtual world, (v) making better use of PK for virtual simulation, (vi) plug and play. The developed package will be of immense use for calculations involving radiation dose assessment in nuclear safety and contributing to fast radiation simulation for virtual nuclear facilities.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2016년도 학술발표회
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• pp.329-329
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• 2016

Rapid urbanization has taken environmental toll on the surrounding which can be witnessed by the advent of global warming and climate change. Driven by environmental needs, Green Building Index (GBI) was established in Malaysia to drive initiative to lead the property industry towards becoming more environmental friendly. Green roofs (roof with vegetated cover) as one of the assessment criteria of GBI, are gaining attention in the Malaysian society as a versatile new environmental friendly mitigation technology. This paper evaluates the qualitative and quantitative performances of an extensive green roof at Humid Tropics Centre under local tropical climate. Simulations showed that the extensive green roof system could reduce the peak discharge up to 26% in relation to impervious brown roof. Its reduction ability decreased for storms with intense rainfall. Increment of pH was observed for the green roof runoff and the runoff water quality ranged between class I and II under Water Quality Index (WQI). High concentrations of phosphate were noticed in the runoff samples and substrates (fertilized planting soil) might be the potential contributor. Findings indicate that there was a reduction of around $1.5^{\circ}C$ for indoor temperature of the building after installation of the extensive green roof.

• 사상체질의학회지
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• 제32권4호
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• pp.141-151
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• 2020

Objectives This study aimed to report significant improvement of dizziness, gait disturbance and dysarthria after treatment with Sasang constitutional medicine treatment on a Taeeumin patient with olivopontocerebellar atrophy. Methods A 53-year-old female diagnosed olivopontocerebellar atrophy about one year ago suffered from dizziness, gait disturbance and dysarthria. The patient was identified as Taeeumin Joyeol pattern and treated with Cheongsimyeonja-tang and Taegeuk acupuncture. The patient's main symptoms were observed using Global Assessment Scale (GAS) during the treatment period. In addition, the Unified Multiple System Atrophy Rating Scale (UMSARS) was used to assess the overall function of patient. Results We observed a significant improvement in symptoms of dizziness, gait disturbance and dysarthria using GAS, and UMSARS score decreased in Part I and II. Conclusions This case showed that Sasang constitutional medicine treatment can be effective treatment for Taeeumin patient with olivopontocerebellar atrophy. We consider that consistent treatment can contribute to improve the patient's quality of life.

• 대한간호학회지
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• 제22권4호
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• pp.589-603
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• 1992

This study investigated a process to estimate the need for nursing staff on the basis of a patient elassification system and the required care needs and activities. The investigation was carried out in the following four steps. Step 1. Patients were classified according to the amount of nursing care need on each shift as class I (mildly ill), class II (mederately ill), class III (acutely ill), and class IV (critically ill). Step 2. Measurement of the direct nursing care hours needed for each patient class, and measurement of indirect nursing care hourse and personal time of the nursing staff. Step 3. Calculation of he total nursing workload in a nursing unit. Step 4. Estimation of the nursing staff needed. The investigation was carried out from July 17th to 30th, during 24hours every other day. The subjects were the patients and the nursing staff on two units of Seoul National University Hospital, Korea. Some of the results from the investigation are as follows : 1) Distribution of patient classification On the neuro surgical (N.S.), the distribution was class I, 22 patient, 3, class II, 27 patients, class III, 26 patients, and class IV, 25 patients, For the orthopedic surgical unit(0.5.), it was class I, 43 patients, class II, 43 patients, class III, patients, and class IV, 3 patients. 2) Direct nursing care hours per day On the N.S. unit, 3.2 hours of direct nursing care were needed for class I, 3.9 hours for class II, 5.1 hours of class III, and 6.2 hours for class IV patients, while 2.0 hours for class I, 2.5 hours for class II, 3.5 hours for class III, 5.0 hours class IV patients were needed on the 0.5. units. 3) Analysis of direct nursing care activities Activities were classified into assessment and observation(47%), medication(38.7%), communiontion(5.1%), exercise(2.4%), elimination and irrigation(1.3%), treatmemt(1.1%), hygiene(0.8%), nutrition(0.8%), and hot and cold compress(0.1%). 4) Average hours of indirect nursing care per day. On the N.S. unit 4.2 hours, and on the O.S. unit, 3.5 hours of RN indirect care was needed. 5) The average personal time used by the of nursing staff was 17 minutes for both RNs and nursing assistants in the N.S. unit, and 32 minutes for both RNs and nursing assistants in the O.S. unit. 6) Estimation of nursing staff needed on two specialized units of a university hospital For the N.S. nursing unit of 43 beds, 31 nursing staff would be indicated. For the 0.5. nursing unit of the same number of beds, 19 nursing staff would be indicated.

• 환경영향평가
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• 제26권1호
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• pp.27-43
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• 2017

본 연구는 금강 상류에 위치한 적벽강에서 지역간 주민불편 해소를 위하여 도로 연결노선 건설 및 기반시설확충에 따른 환경영향성을 검토를 위해 2015년 수생태계의 어류 종조성 평가, 멸종위기종 특성, 군집평가 및 일반 수질특성을 분석하였다. 본 사업 구간에서 어류는 총 28종 1186개체가 출현하였고, 법적보호종은 멸종위기 1급인 감돌고기 (Pseudopungtungia nigra) 79개체, II급인 돌상어(Gobiobotia brevibarba)와 꾸구리(Gobiobotia macrocephala)가 각각 5개체, 2개체가 출현하여 종 보존이 필요한 것으로 나타났다. 한편 국내 하천 및 호수에 널리 분포하는 큰입배스(Micropterus salmoides)와 파랑볼우럭(Lepomis macrochirus)의 생태계교란어류는 출현하지 않아 외래어종에 의한 생태계교란 현상은 나타나지 않아 생태계가 잘 보존된 지역으로 분석되었다. 어류군집 평가에 따르면, 전반적으로 종다양도 지수는 모든 지점에서 높게 나타났으며 (범위: 0.788 - 1.030), 우점도 지수는 아주 낮은 것 (범위: 0.097 - 0.183)으로 나타나 특정 종에 의해 우점하지 않고, 군집이 잘 유지되는 것으로 나타났다. 또한 어류의 내성도 및 트로픽 길드 분석 결과 내성종에 비해 민감종의 비율이 상대적으로 높고 잡식종에 비해 충식종의 비율이 상대적으로 높아 어류에 대한 오염도 측면 및 섭식구조에서도 생태계가 잘 유지됨을 나타냈다. 이런 특성은 다변수어류평가모델 (Multi-metric fish model)을 이용한 생태건강도 분석에서 잘 반영되었다. 즉, 어류평가지수 (FAI 모델값)는 82.4으로서, 생태건강도 등급은 "양호상태 (B등급)"로 평가되어 전반적으로 건강한 하천 생태계 특성을 보였다. 또한, 용존산소량(DO)과 수소이온농도(pH)가 각 각 $10mg\;L^{-1}$, pH8 전후로 나타났으며 그 외 일반 이화학적 수질특성에서도 양호하게 나타났으며, 물리적 서식지도 여울과 풀 (Pool)이 잘 조화되는 것으로 나타났다. 이런 지역간 연결도로 건설은 수체내의 토사유입을 가져올 수 있고 이는 서식지 특성 및 어류먹이 연쇄에 직 간접적인 영향 줄 수 있어, 건설 시 토사유출에 대한 대책마련이 필요할 것으로 사료되었다.