Investigation of the April 2000 forest fire damage in Kang-won Province, Korea, using RADARSAT data

Kang, Sung Chul,Seo, Jin Won,Lee, Tae Hee,Park, Sang Eun,Hong, Suk Young,Moon, Wooil M. 대한원격탐사학회 2000 International Symposium on Remote Sensing Vol.16 No.1

The series of forest Fires in Kangwon Province in April, 2000, were one of the mast serious ones in the Kang-won Province in recent years. The fire damaged areas are extensive and this paper investigates the utility of the satellite image data, particularly the RADARSAT SAR data. One of the main objectives of this study included evaluation of potential usefulness of the C-band RADARSAT data in the detection of forest fires in mountainous areas. Among several fire damaged sites, the area near Samchuk (city) was selected as the main study area and mufti-temporal RADARSAT(raw) data were acquired and the processed results were comparatively investigated with the IRS-1c data acquired shortly after the fire. To identify the burnt area from the undamaged background in the optical imagery, supervised classification and NDVI processing were carried out and tested with the IRS-1C data. For this experiment, several sets of raw RADARSAT standard and Fine mode (S4, F3, ascending orbit) data were processed and the final image was formed. In addition to the final image, sigma nought (σ°) was catnputed and compared for the burnt area against the undamaged areas. Because of the steep slopes in the study area and subsequent deviation from the flat surface scattering models, the fire scars in the sigma nought (σ°) image were not apparent. However, fire scars are slightly detected in the difference and ratio images obtained from the signal intensity data acquired at different dates (bath before and after fire). Texture analysis of the image data including the burnt areas were carried out using the Multiplicative Markov Random-Field (MMRF) algorithm. The detection of the fire damaged area from both standard mode and fine mode RADARSAT was not as straightforward as in optical data. However, Previous studies with ERS-1 S_AR and RADARSAT data in Indonesia and in the North American Plains indicate that C-band SAR data provide us with an effective tool for studying the forest fire damages. However, the application of C-band SAR data to the analysis of the forest fire areas requires careful processing of the data with realistic scattering models.

Improvement and Application for Environmental Conservation Value Assessment Map (ECVAM) of Nationwide Land in Korea

Moung Jin Lee,Seong Woo Jeon,Min Jeong Jo,Won Kyong Song,Byung Jin Kang 大韓遠隔探査學會 2007 大韓遠隔探査學會誌 Vol.23 No.5

This study is aiming at improving the Environmental Conservation Value Assessment Map (ECVAM) of National Land in Korea. The ECVAM items are composed of legal and environmental/ecological assessments. A popular method applied to ECVAM is an overlay environmental/ecological assessment items. The purpose of this study is to offer complementary items of the ECVAM by examining assessment items. In this study we assessed the ECVAM by five methods. Method 1 is Grade 1 areas of each administrative district; Method 2 is comparing overlapped areas of each assessment items Grade 1, 2 and permission of each assessment items duplication; Method 3 is Grade 1, 2 areas by only singular assessment items; Method 4 is Grade 1 areas only of Method 2; and Method 5 is Grade 2 areas only of Method 2. Method 1 showed Seoul and other metropolitan cities revealed a large proportion of Grade I regions by the legal assessment items. Gang won-Do, showed a large proportion of Grade I regions by the environmental/ecological assessment item. Method 2 showed 93.4 % of diameter Grade II (standard for stability); forest diameter item accounted for 99.9 % by Method 3, Method 4 showed 95.7 % of forest diameter, and forest density accounted for 66.4 % by Method 5. This study contributes to reduce the complexity in the process of manufacturing ECVAM of National Land, and to raise the flexibility in the process of managing and updating this map.

Flavobacterium meningosepticum에 의한 균혈증 1예

장성원,유진홍,진승원,김선우,김연식,박순민,이대훈,최민호,최주연,신완식,강문원,강지민 대한화학요법학회 1997 대한화학요법학회지 Vol.15 No.1

1996년 6월 카톨릭대학교 부천성가병원에 뇌경색으로 입원했던 61세 남자 환자의 혈액에서 Flavobacterium meningosepticum을 분리하였다. 환자는 폐렴을 동반한 패혈증의 예로 ceftriaxone과 metronidazole을 투여하였으나 입원 48시간만에 사망하였다. Flabovacterium meningosepticum is a rae cause of nosocomial infection which shows multi-drug resistance. It mainly invades patients with impaired immunity. Recently, we experienced a case of F. meningosepticum bacteremia in a patient with chronic debilitated state owing to stroke. The clinical progress was so rapid that he died within 48 hours. Blood culture revealed F. meningosepticum which showed characteristic yellow colony in blood agar plate.

한국인 직무 스트레스 측정도구의 개발 및 표준화

장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4

Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.

Improvement and Application for Environmental Conservation Value Assessment Map(ECVAM) of Nationwide Land in Korea

Lee, Moung-Jin,Jeon, Seong-Woo,Jo, Min-Jeong,Song, Won-Kyong,Kang, Byung-Jin The Korean Society of Remote Sensing 2007 大韓遠隔探査學會誌 Vol.23 No.5

This study is aiming at improving the Environmental Conservation Value Assessment Map(ECVAM) of National Land in Korea. The ECVAM items are composed of legal and environmental/ecological assessments. A popular method applied to ECVAM is an overlay environmental/ecological assessment items. The purpose of this study is to offer complementary items of the ECVAM by examining assessment items. In this study we assessed the ECVAM by five methods. Method 1 is Grade 1 areas of each administrative district; Method 2 is comparing overlapped areas of each assessment items Grade 1, 2 and permission of each assessment items duplication; Method 3 is Grade 1, 2 areas by only singular assessment items; Method 4 is Grade 1 areas only of Method 2; and Method 5 is Grade 2 areas only of Method 2. Method 1 showed Seoul and other metropolitan cities revealed a large proportion of Grade I regions by the legal assessment items. Gang won-Do, showed a large proportion of Grade I regions by the environmental/ecological assessment item. Method 2 showed 93.4% of diameter Grade II(standard for stability); forest diameter item accounted for 99.9% by Method 3, Method 4 showed 95.7% of forest diameter, and forest density accounted for 66.4% by Method 5. This study contributes to reduce the complexity in the process of manufacturing ECVAM of National Land, and to raise the flexibility in the process of managing and updating this map.

비복신경이식을 이용한 긴 거리의 말초신경 결손부 수복

이종호,이세영,김명진,이은진,안강민,김성민,최원재,명훈,황순정,서병무,최진영,정필훈 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.2

The surgery of oral and maxillofacial area poses the risk of cranial nerve damage such as trigeminal nerve or facial nerve. Inferior alveolar nerve is prone to damage in the third molar extraction, implant installation, orthognathic surgery, open reduction and rigid fixation, and tumor ablation surgery. On the other hands,facial nerve is likely to be damaged or sacrificed with trauma or parotidectomy. In case of inferior alveolar nerve injury, the incidence is reported to be about 1.3%. The nerve function will almost recover in minimal damage, but it won't recover at last in total damage of a part of nerve unit. In latter cases, nerve regeneration in intended by allograft as nerve substitute or various route of merve condit. But the recovery with autograft is believed to be most relialbe mrthod in the rapair of long-span(longer than 15㎜)nerve defect. We have performed autologous sural nerve graft in the repair of nerve defect, which is caused by resection of benign or malignant tumor. Hereby we report the method of nerve harvesting, recovery of defected peripheral nerve and the complications of donor site with the discussion of sural nerve anatomy.

정신분열병에 대한 리스페리돈의 효과 및 안정성

이민수,김용구,김영훈,연병길,오병훈,윤도준,윤진상,이철,정희연,강병조,김광수,김동언,김명정,김상훈,김희철,나철,노승호,민경준,박기창,박두병,백기청,백인호,손봉기,손진욱,양병환,양창국,우행원,이정호,이종범,이홍식,임기영,전태연,정영조,정영철,정인과,정인원,지익성,채정호,한상익,한선호,한진희,서광윤 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.1

연구목적 : 본 시험의 목적은 임상시험 시작전에 연구자들을 대상으로 PANSS Workshop을 통하여 PANSS, ESRS에 대한 국내에서의 표준화 작업을 구축하고 새로운 정신병 치료제인 리스페리돈의 효과와 안정성을 재확인하여 리스페리돈 사용에 대한 적정화를 이루는데 있다. 연구방법 : 1996년 4월부터 1996년 9월까지 국내 39개 대학병원 정신과에 입원중인 혹은 증상이 악화되어 입원하는 정신분열병 환자 377명을 대상으로 다시설 개방 연구를 시행하였다. 1주일간의 약물 배설기간을 가진후, 리스페리돈을 8주간 투여하였고, 기준점, 1주, 2주, 4주, 그리고 8주후에 평가되었다. 용량은 제1일에는 리스페리돈 1mg씩 1일 2회, 제2일에는 2mg씩 1일 2회, 제3∼7일에는 3mg씩 1일 2회 투여하였다. 이후 환자의 임상상태에 따라 임의로 증량할 수 있으며, 최대 일일 16mg을 초과하지 않도록 하였다. 추체외로 증상을 조절하기 위한 투약을 허용하였다. 임상증상 및 부작용의 평가는 PANSS(Positive and Negative Syndrome Scale), CGI(Clinical Global Impression) 그리고 ESRS(Extrapyramidal Symptom Rating Scale)을 사용하였다. 연구결과 : 377명중 343명(91%)이 8주간의 연구를 완결하였다. 치료 종결시점인 8주후 PANSS 총점수가 20% 이상 호전된 경우를 약물 반응군으로 정의할때, 약물반응군은 81.3%였다. 리스페리돈에 반응하는 예측인자로는 발병연령, 이전의 입원 횟수, 유병기간이 관련 있었다. 리스페리돈은 1주후부터 PANSS양성, 음성, 및 일반정신병리 점수상에 유의한 호전을 보여 효과가 빨랐다. CGI의 경우도 기준점에 비해 1주후부터 유의한 감소를 나타내었다. ESRS의 경우, 파킨슨 평가점수는 기준점과 비교해 투여 1주, 2주, 4주후 유의하게 증가되었다가 8주후 기준점과 차이가 없었다. Dystonia 평가점수는 1주후만 유의한 증가를 보였으며, dyskinesia 평가점수는 유의한 차이가 없었다. 혈압, 맥박수의 생명징후 및 일반 혈액학 검사, 생화학적 검사, 심전도 검사에서 유의한 변화는 없었다. 결 론 : 이상의 다시설 개방 임상 연구를 통해 리스페리돈은 정신분열병 환자에서 양성증상뿐만 아니라 음성증상 및 전반적인 증상에도 효과적인 것으로 사료된다. 보다 명확한 평가를 위해서는 다른 항정신병약물과의 이중맹검 연구가 필요할 것으로 생각되며, 또한 장기적 치료에 대한 평가도 함께 이루어져야 하겠다. Objective : The purpose of this study was to investigate the efficacy and safety of risperidone in the treatment of Korean schizophrenic patients. Method : This multicenter open study included 377 schizophrenic patients drawn from 39 university hospitals. After a wash-out period of 1 week, the schizophrenic patients were treated with risperidone for 8 weeks and evaluated at 5 points ; at baseline, and 1, 2, 4 and 8 weeks of treatment. The dose was increased from 2mg/day(1mg twice daily) to 6mg/day(3mg twice daily) during the first week and adjusted to a maximum of 16mg/day over the next 7 weeks according to the patient's clinical response. Medication to control extrapyramidal symptoms was permitted. The psychiatric and neurological status of the patients was assessed by PANSS, CGI, and ESRS scales. Results : 343(91%) of 377 patients completed the 8-week trial period. Clinical improvement, as defined by a 20% or more reduction in total PANSS score at end point, was shown by 81.3% of patients. The predictors of response to risperidone were associated older age, shorter duration of illness, fewer previous hospitalization. Risperidone had rapid onset of action ; a significant decrease of the total PANSS and three PANSS factor(positive, negative, general), and CGI was already noticed at the end of first week. For the ESRS, parkinsonism rating scores were significantly increased until week 4 comparing with baseline. Dystonia rating scores were significantly increased until week 1, and dyskinesia rating scores were not significantly changed during the study. Laboratory parameters including vital sign, EKG, hematological, and biochemical values showed no significant changes during the trial. Conclusions : This study suggests that risperidone is generally safe and effective against both the positive and negative symptoms in our group of patients.

信用狀去來에서의 通信 및 書類送達事故에 따른 危險의 移轉

강원진 釜山大學校 商科大學 1996 釜山商大論集 Vol.67 No.-

The purpose of this study is to provide the guideline for the transfer of risk relating to the transmission of messages and documents under the letter of credit transactions. Unless otherwise stipulated in the credit, the risk transfers from the beneficiary to the applicant when documents are presented in accordance with the terms of credit designated by the issuing bank, whether the credit is payable by payment, acceptance and negotiation. In the event that the messages and the documents are forwarded by the nominated bank to the confirming bank, the risk transfers subsequently from the confirming bank to the issuing bank, and from issuing bank to the applicant. Consequently the risk transfers from beneficiary to the applicant for credit coincides with the location of the moment in which the credit is accomplished. However the illegal actions such as fault and negligence arising out of accident in transit of any messages and documents, bank shall not be relieved from any of its obligations. Accordingly, I suggest that the existing rules should be supplemented as follows: First, the provisory clauses, for example, that the disclaimers are excluded by the willfulness, fault and negligence of banks are to be prescribed on the Uniform Customs and Practice for Documentary Credits(UCP). Secondly, the clear clauses to the mailing instruction should be indicated on the credits so as to diminish the dispute causes by the risk and loss of unforeseen accidents. Thirdly, it is required to solve the problems of conflicts between the UCP and SWIFT rules relating to the transfer of risks involved in the transmission of messages and documents.

전자결제를 위한 무역카드 시스템의 활용과 과제

강원진 釜山 大學校 經營 經濟 硏究所 2000 經營 經濟 硏究 Vol.19 No.1

본 연구는 새로운 국제 전자결제수단으로 개발된 무역카드(TadeCard)에 대한 검토와 활용가능성에 관한 검토한 것이다. 무역카드는 세계무역센터협회가 인터넷을 통하여 국제무역대금을 결제할 수 있는 전자결제 시스템으로 개발되었다. 무역카드 시스템은 제시되는 전자문서의 일치성 점검 및 국제무역거래의 모든 이행과정을 온라인(On-line)상에서 전자적으로 이행되는 것을 특징으로 하고 있으며 부대비용 등 경제성 측면에서 여타 결제수단보다 우월한 결제 시스템이라고 하고 있다. 그러나 가상공간을 통한 전자결제 시스템은 거래당사자에게 대금지급의 확실성과 거래의 안정성 및 신속성 보장이 전제되어야 한다. 실제로 무역카드 시스템은 특정 보증보험회사의 보증에 기반을 두고 있어 국제 기업간 거액거래상의 신용취급의 한계점과 금융네트워크 등에서의 취약점을 가지고 있다. 따라서 무역카드가 국제전자결제 시스템으로 정착되기 위해서는 정보보안 등 기술적인 안정성이 검증되고 결제상의 신뢰성 보장을 위하여 상업은행들의 참여가 확대되어야 한다. 또한 인터넷상에서 결재가 이루어지기 위해서는 담보권과 유통성이 보장되는 볼레로 전자선화증권등의 활용과 기존의 모든 종이문서에 의한 결제서류도 전자문서로 대체되어야 한다.

第5次 改正 信用狀統一規則에 관한 考察

강원진 釜山大學校 商科大學 1993 釜山商大論集 Vol.64 No.-

The Documentary Credits are the most frequent means of payment in international trade. The Uniform Customs and Practice for Documentary Credits (UCP) have served as the international rules governing customs and practices for documentary credit operations ever since they were first introduced to business world in 1993. The UCP which are sponsored and published by International Chamber of Commerce (ICC) have been revised in 1951, 1962, 1974, 1983 and 1993 with aim of harmonizing the issuance and handling letter of credit. The UCP are widely adopted and used in letter of credit transactions by express reference embodies in virtually all applications for credits. The purpose of this study is to provide the guidance, application and comments for the new UCP publication No. 500(UCP 500) in comparison of the UCP 400. Specifically, the revised UCP 500 incorporated a number of major innovations caused by the simplication of existing rules ; consistency with actual banking practices ; articulation of those practices that facilitate standardization and uniformity ; enhancement of the integrity and reliability of the credit promise ; facilitation of developing practices. Among them the articles of transport documents are divided into various articles in order to cover extensive change in the mode of transport. The UCP 500 comprise 49 articles covering the various areas of documentary credit activity. However, UCP can not give a precise answer to each and every problem arising in practice. It is also required that banks and traders have to check the document under the credit carefully and reconsider legal relations between parties under the UCP. Finally, I try to suggest that the standing advisory committee consisted of the specialist from varies fields should be organized in the ICC-Korean National Committee to resolve the complicated matters of documentary credit transaction of Korean traders and commercial banks arising from problems of the application of UCP.