• Title/Summary/Keyword: Monitoring Survey

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The Monitoring of Vegetation Change in Complementary Village Forest according to Management - Centered on Complementary Village Forests of Seochon and Weonyeonjang in Jinan County - (관리에 따른 마을비보숲의 식생 변화 - 진안 서촌 마을비보숲과 원연장 마을비보숲을 사례로 -)

  • Park, Jae Chul;Zhang, Xiao Dong
    • Journal of Korean Society of Rural Planning
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    • v.24 no.2
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    • pp.69-78
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    • 2018
  • The purpose of this study is on identifying vegetation change through monitoring representative complementary village forests according to different management. For this, two of complementary village forests around Mai mountain which many ones remain were selected. Those are complementary village forests of Seochon and Wonyeonjang. Seochon forest is a representative one which is managed naturally and Wonyeonjang one is a representative one which is managed artificially. The field survey for monitoring was preformed in 2002 and 2007, 2016. D(Dominant degree) and S(Sociability degree) were measured by Brown-Blanquet's method in field survey. Through the analysis and review of survey data, the change of species richness, appearing species characteristics, species composition and layer structure etc. according to different management was monitored. As a result, it can be seen that natural succession has increased species diversity, improved vegetation structure and circulation of complementary village forest. On the other hand, excessive anthropomorphic management was found to be detrimental to the health of the forests and to the vegetation structure and species composition. And it was found that excessive management threaten sustainability and periodical proper management is necessary. Through this review, the useful management direction of complementary village forests was suggested.

Current Status of Parents' Monitoring of and Level of Trust in School Lunch Programs (학부모의 학교급식 모니터링 현황 및 학교급식에 대한 신뢰도)

  • Hur, Boyoung;Choi, Injoo;Kim, Meeyoung;Kwon, Jinwook;Lee, Jiyoung;Yoon, Jihyun
    • Korean Journal of Community Nutrition
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    • v.22 no.5
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    • pp.401-412
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    • 2017
  • Objectives: The purpose of this study was to investigate the current status of parents' monitoring of school lunch programs and to examine the relationship of parents' school lunch monitoring with their level of trust in school lunch programs. Methods: During November 2016, a web survey was conducted with 1,283 parents who had participated in monitoring of school lunch programs. A total of 621 parents completed the questionnaires (48.4% response rate) and the responses from 442 parents were analyzed (34.5% analysis rate) for elementary (n=196) and middle/high school parents (n=246), respectively. Results: Both the elementary and middle/high school parents most wanted to participate in monitoring 1~2 times per month, which was less frequent than their current practice. They showed the highest experience rate in 'food sanitation' area in both the prior training and actual practice of school lunch monitoring. They most responded 'increasing trust in school lunch programs' as a merit and 'lack of parents participating in monitoring' as a problem of school lunch monitoring. The average levels of trust did not differ between elementary and middle/high school parents. Multiple regression analyses showed that elementary school parents' level of satisfaction in the monitored school lunch programs was positively associated with the parents' level of trust in general school lunch programs. Monitoring frequency and parents' age, in addition to level of satisfaction in the monitored school lunch program, were associated with level of trust in general school lunch programs among middle/high school parents. Conclusions: There was room for change in parents' school lunch monitoring programs to meet parents' needs better. Well-managed school lunch monitoring programs contributing to parents' satisfaction with school lunch programs could increase parents' level of trust in school lunch programs.

Electrical Resistivity Survey for Hydrologic Monitoring in the Gwang-neung Experimental Forest - Preliminary Results (광릉 소유역의 수문 관측을 위한 전기비저항탐사 - 예비결과)

  • Choi In-Hyuk;Moon Sang-Ki;Woo Nam-Chil;Kim Joon
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.7 no.1
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    • pp.98-106
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    • 2005
  • Groundwater plays an important role in water and carbon cycles in Gwangneung forest watershed located in a complex landscape. Because groundwater affects electrical resistivity (ER) of underground materials, the depth to water table and water content in subsurface can be investigated through measuring ER. Accordingly, the ER survey has been employed more frequently in recent hydrological investigations. Quantitative applications of the results of ER survey will contribute significantly to the examination of water budget closure at various spatiotemporal scales. This paper presents the preliminary results of the ER survey conducted at Gwangneung forest watershed to determine proper locations and depths of monitoring wells. Such use of ER survey, in conjunction with an integrated geophysical investigation and geographic information system, can provide more effective examination of underground structure and optimal locations of monitoring wells to further our understanding of the role of groundwater.

Estimating the Number of Target Workplaces for Work Environment Monitoring using Survey Data among Manufacturing Businesses with More than Five Employees in 2016 (5인이상 제조업에서 설문조사를 통한 작업환경측정 대상 사업장의 규모 추정)

  • Bahk, Jinwook;Kim, Seung-Won;Yang, Seon-Hee;Ryu, Hyang Woo;Kim, Eun-A
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.28 no.2
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    • pp.166-174
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    • 2018
  • Objectives: This study aimed to estimate the number and proportion of target workplaces for work environment monitoring and evaluate the implementation rate of work environment monitoring. Methods: A questionnaire survey was conducted by the Ministry of Employment and Labor between March and May 2017 among 96,295 manufacturing businesses with more than five employees. The response rate was 17.8%. Estimates of the number and proportion of target workplaces for work environment monitoring were calculated as follows: number of workplaces where work environment monitoring was performed in 2016 + exposure rate based on the questionnaire * number of workplaces where work environment monitoring was not conducted. Results: Of the 150,655 total manufacturing businesses with more than five employees, 63,146 are estimated to be subject to work environment monitoring, which accounted for 41.9% of the workplaces. It is estimated that 73.3% of the target workplaces performed work environment monitoring. The number of workers exposed to hazardous substances is estimated to be about 0.7~1.2 million. Conclusions: Information on the distribution of workplaces subject to work environment monitoring and the rate of implementation can be used as baseline information for management and evaluation of the effectiveness of the work environment monitoring system.

Status and Prospects of the Korean National Environmental Health Survey (KoNEHS) (국민환경보건기초조사의 현황 및 전망)

  • Park, Choonghee;Yu, Seung Do
    • Journal of Environmental Health Sciences
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    • v.40 no.1
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    • pp.1-9
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    • 2014
  • Objectives: The purpose of this review is to suggest future directions for the Korean Environmental Health Survey (KoNEHS) in terms of an environmental health monitoring system and recent environmental health issues in Korea. Methods: The national scale biomonitoring program and environmental health researches which conducted by Ministry of Environment was reviewed for this study. The scope, contents and utilization of results of KoNEHS as a biomonitoring program and other basic function for environmental health monitoring was analyzed. Results: Biomonitoring survey was conducted for basic functions, such as evaluating exposure levels of environmental chemicals and analyzing exposure factors. In order to expand the basic purposes of KoNEHS, the biomonitoring function should be strengthened by enlarging the range of chemicals analyzed and including all age groups in the biomonitoring and health status monitoring functions by using official health-care and mortality data. Exposure factors such as time-activity patterns and micro-environmental pollution levels were studied. The data from the environmental health study were established into a standardized database system for supporting environmental health policy. A definition and concept of environmental health services should be established. Conclusion: To achieve the aims of environmental health, changes in environmental health status and related factors must be observed and predicted reflecting real conditions. In this regard, improving the methodology and system through diverse approaches is necessary for KoNEHS.

COASTAL ENVIRONMENT MONITORING USING ADJACENT EFFECT OF RADIATION

  • Takashima, Tsutomu;Jung, Sung-Chul;Yi, San-Oh;Kim, Tu-Hwan
    • Proceedings of the KSRS Conference
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    • v.1
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    • pp.430-431
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    • 2006
  • KOMPSAT-2 was successively launched on July 28,06. She carries Fine Spatial Resolution Sensor with three channels. It is 4m monochromatic and 1m panchromatic. The main purposes would derive fine urban map and digital elevation model(DEM).Therefore we extend to coastal environment monitoring using the adjacent effect of radiation due to an interaction of radiation between heterogeneous surface and atmosphere. With data analysis of ASTER on TERA, which is 15m resolution in visible and near infrared wavelengths, we found atmospheric aerosols were always large. Note that data analysis was limited in Nagoya bay, Lake Tahoe, California & La Pozuelos, La Picasa, Argentina. Thus this time we expect data analyses around isolated island and peninsula in west and south coast of Korea.

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State of The Art of Offshore Survey Technology for Monitoring Underwater Gas Export Pipeline Installation at DongHae-1 Gas Field (동해-1 가스전 해저배관 설치공사에 적용된 최신 해양 측량기술)

  • Park, Joseph
    • Proceedings of the Korean Society of Marine Engineers Conference
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    • 2005.06a
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    • pp.722-740
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    • 2005
  • 본 논문은 최근의 석유탐사 및 개발사업 현장에서 사용되고 있는 최신의 측량기술 및 해양공사의 측량 기술 표준화 동향을 소개하고, 이에 기반하여 동해1 가스전 해저배관 공사에 적용한 사례를 기술하였다. 해저배관 시설공사를 수행하기 위한 사전측량 및 시공지원 측량은 다양한 탐사장비가 동원되며, 각 장비들의 운영, 자료처리, 해석, 도면화를 위하여 실시간지원이 가능한 시스템을 운영하는 기술이 요구된다. 이를 위하여 해저배관 시공단계별(Pre-Installation Survey, Touch-down Monitoring, As-laid As-Built Survey, Post-installation Survey) 요구되는 측량성과 및 이를 획득하기 위한 소해측량 시스템의 성능평가 및 정확도 분석을 수행하였다. 또한, 해저지형 탐사를 위해 동원된 소해측량시스템(Swath Sonar System)에서 취득되는 수심(Bathymetry) 및 후방산란 음압(Backscattered Amplitude) 자료를 맵핑하여 해저배관의 설치 경로를 측량하는 기법에 대하여 소개하고, 추후 해저배관 보호 및 관리시의 효율적인 모니터링 기법을 제시한다.

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Study of Population Dynamics of Birds Using Unmanned Monitoring System in Rice Paddy (무인모니터링 시스템을 활용한 논습지에 도래하는 조류 개체군 동태 연구)

  • Nam, Hyung-Kyu;Kim, Myung-Hyun;Kwon, Soon-Ik;Eo, Jinu;Song, Young-Ju
    • Journal of Wetlands Research
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    • v.20 no.2
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    • pp.124-130
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    • 2018
  • This study was conducted to identify the characteristics of bird population dynamics using unmanned monitoring system in rice paddy. We compared the similarity of population dynamics of birds between unmanned monitoring system and field survey, and evaluated the spatial and temporal patterns of population dynamics of birds using the unmanned monitoring system. The monitoring using the system was conducted from January 1, 2014 to December 31, 2016 in Cheolwon, Dangjin, Buan, and Heanam. The images from the system were obtained at 10-min intervals from 6:00 to 20:00. The field survey was conducted once a month in Dangjin from January to December 2016. Total 91,980 images were obtained from the unmanned monitoring system. We extracted the number of individuals for herons, shorebirds, and waterfowl from the images. The population dynamics of waterbirds using the unmanned monitoring system were similar to that in field survey. Especially, population dynamics of herons was more similar than other waterbirds. It was identified that the population dynamics of herons using the unmanned monitoring system was different among the Cheolwon, Dangjin, Buan, and Heanam. Furthermore, the unmanned monitoring system was available on various time scale such as month, day, and minute. It is expected that long-term data storage using the unmanned monitoring system can be used to identify in detail and forecast the population dynamics of birds in rice paddy.

Monitoring and forecasting system development using Standard Time (표준시간을 이용한 관리/예측 시스템 개발에 관한 연구)

  • 신인화;김원중
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.23 no.61
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    • pp.147-154
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    • 2000
  • There is purpose of this research in development of monitoring/forecasting system. For monitoring/forecasting system development, we need modelling of suitable development step and need to basis data. So in this Paper, wish to develop modeling and necessary business program until begin in target company's basis data survey and construct Database and software development for monitoring/forecasting.

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The Development of Real-Time Leak Monitoring System for Management of Hazardous Material Pipeline (유해물질 이송관로 파손누출 실시간 예방 및 감시 기술개발)

  • Chae, Sookwon;Seo, Jaesoon;Kim, Joonseok
    • Journal of the Society of Disaster Information
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    • v.12 no.2
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    • pp.122-129
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    • 2016
  • In this study, a dual structured pipe for a preventive monitoring on a accident damage, a smartphone app program for a survey and a construction data collection and a server program for a real-time monitoring were developed. A pilot system was installed in the test field to analyze effects of a system developed in this study. The data for a damage prevention was detected by the attached sensors on the pipe. Exclusion was tested by the pressure sensors to be installed at regular intervals. The app and server programs was enabled to the real-time data collection and real-time monitoring linked by VRS survey equipments and a smartphone.