• Title/Summary/Keyword: water sector

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Future vision of the Korean society of water and wastewater in water sector (상하수도 미래비젼과 대한상하수도학회의 역할)

  • Kim, Geon-Ha;Hyun, In-Hwan
    • Journal of Korean Society of Water and Wastewater
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    • v.32 no.6
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    • pp.551-557
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    • 2018
  • Since its foundation in September 1986, the Korean Society of Water and Wastewater has made a significant contribution to the water sector in Korea over the past 30 years. The 30th anniversary commemorative committee reviewed the establishment goal of the society and its development strategy for organization and present the "Future Vision of Korean Society of Water and Wastewater" for the next 30 years. The future vision of the society is defined as "Aiming for the healthy life and preservation of the environment through the development of water and wastewater technology and experience". Promotion strategies for implementing the future vision are as follows: 1. Leading water and wastewater technology, 2. Develop water and wastewater policy, 3. Strengthen water and wastewater capacity, 4. Reinforce institutional governance. The driving target to be achieved through the implementation strategy is "To lead the global standards of water and wastewater." We also presented national issue, policy issue, and technical issues in the water sector. Climate change, unified Korea, water safety, and national welfare were selected as national issues related to water and wastewater. This approach was taken from the perspective of policy consumers such as citizens, civil society, experts, and local government/industry. By presenting policy issues and technical issues that address national issues, authors have proposed a future policy direction for the Korean Water and Wastewater Society to make critical contributions to national development.

Effect of a Suspended Overhead Sprayer with Sector Formed Injection Nozzles on Spraying Uniformity (두상관수장치의 부채꼴분사노즐 설치위치가 살수균일성에 미치는 영향)

  • 김명규;정태상;민영봉
    • Journal of Bio-Environment Control
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    • v.8 no.4
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    • pp.223-231
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    • 1999
  • The one of basic functional conditions of suspended overhead sprayer, which is openly made use of irrigating on bedding plants in greenhouse, is to be kept the growing uniformity of bedding plants by making uniformly the spraying irrigation depending on the distribution of sprayed water. This study was performed to find out the optimum position of sector formed injection nozzle which is placed from the top of plant 0 the tip of the nozzle to keep spraying uniformity. The test of spraying distribution using a overhead sprayer, which was installed in a row of sector formed injection nozzles, was performed The measuring factor to represent spraying distribution was the water weight filled in each cup when the overhead sprayer was moving across the upside of the cups which were placed directly under the nozzles on keeping the distance from nozzle tip. The test results were as following , The standard mr of weights of each cup filled with spraying water was lower values at Position far from more than 60cm under nozzle tip. The driving speed variation of sprayer was not effected on spraying uniformity but the spraying water weight was inversely proportioned to the speed. To make best spraying uniformity, it was represented that the tip of the nozzle is positioned to keep the distance which the top of plants is placed at the second cross point of each injection sector of nozzles.

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Security measures of Information and Communication infrastructure of Water Resources Field (댐·보 등 수자원분야 정보통신기반시설 보안대책)

  • Yu, Se-Hwan;Jang, Dong-bae
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2013.05a
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    • pp.1034-1037
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    • 2013
  • ICT infrastructure is electronic control systems or communication network related to national security, public administration, defense, policing, finance. Water resources sector has been building a system of control that can be performed electronically, communications, management, energy, and other work-related. Water resources sector has been a paradigm shift in water management and the control system is integrated into a single network. The control system security vulnerabilities are exposed - other control networks, business networks, linking with outside agencies, etc. Cyber terrorist society can cause a huge mess economically, The importance of security for control systems is becoming. In this paper, ICT infrastructure - the water resources in the field of control systems will analysis security measures.

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Economic Impacts of Agricultural Water Shortages in Korea - A Combined Top-down and Bottom-up Model Analysis - (상·하향 통합모형을 활용한 농업 수자원 부족의 경제적 효과 분석)

  • Lee, Seoung-Ho;Kwon, Oh-Sang;Kang, Sung-Won
    • Journal of Korean Society of Rural Planning
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    • v.23 no.4
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    • pp.111-126
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    • 2017
  • This study analyzes the impacts of agricultural water shortages in Korea using a combined top-down and bottom-up model. A multi-region multi-output agricultural sector model with detailed descriptions of production technologies and water and land resource constraints has been combined with a standard CGE model. The impacts of four different water shortage scenarios were simulated. It is shown that an active adaptation of crop choices occurs in even the regions with relatively abundant water resources in order to respond to the change in relative output prices caused by water shortages. We found that although the losses in production values are not quite large despite water shortages due to the price feedbacks, the loss in GDP is substantial. We show that our combined approach has advantages in deriving region and product specific production effects as well as the overall GDP loss effect of water shortages.

Economic Performance: Leading Sector, Economic Structure and Competitiveness of Export Commodities

  • WIJAYA, Adi;ILMI, Zainal;DARMA, Dio Caisar
    • Asian Journal of Business Environment
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    • v.10 no.3
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    • pp.23-33
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    • 2020
  • Purpose: The purpose of this study is for the leading sector, a pattern of shifting structure of the economic sector, and community export competitiveness on the economy Malinau Regency. Research design, data, and methodology: The type of data used is secondary data with a quantitative approach of 2009-2018. The study data used Location Quotient (LQ), Shift Share Analysis (SSA), and Revealed Comparative Advantage (RCA) analysis tools. Results: There are 6 leading sectors: agriculture; electricity, gas, and clean water; building and construction; trade, hotels, and restaurants. That has been classified has changed the economic structure of the Malinau Regency from the secondary sector to the tertiary and primary sectors in 10 years. While, community export competitiveness of the Malinau Regency through RCA Analysis, see if the export products of coal and excavation (types A, B, C) are shown to have a higher comparative advantage with comparative advantage. This shows that only a few commodities that can provide the good performance of export. Conclusions: Analysis of economic growth in the Malinau Regency after regional autonomy shows that there has been a shift in the economic structure of the economy which is dominated by the structure of the primary sector.

A study on the evaluation system of climate policy measures in the water resource sector: A case study of Chungcheongnam-do's climate change adaptation implementation plan (수자원 분야 기후정책의 평가시스템에 관한 연구: 충청남도 기후변화적응대책 세부시행계획을 중심으로)

  • Park, Hun;Cho, Ara;Choi, Dongjin
    • Journal of Korean Society of Water and Wastewater
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    • v.33 no.6
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    • pp.421-428
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    • 2019
  • This study developed an evaluation system of adaptation countermeasures for climate change in the water resources sector using the Analytic Hierarchy Process (AHP), and the assessment procedures were applied to the Second Chungcheongnam-do Climate Change Adaptation Implementation Plan (Chungnam Implementation Plan). Firstly, the evaluation criteria are composed of two levels according to the hierarchical structure, and AHP gives priority to 4 evaluation criteria of the first level and 16 alternative indicators of the second level. Secondly, after the importance of the evaluation criteria or indicators has been determined, the significance of each measure was evaluated by applying it to the water-sector measures of the Chungnam Implementation Plan, and the effectiveness of the evaluation system was validated. The Chungnam case study shows that the evaluation system will be more effective and efficient when it is applied during development phase rather than after the implementation plan is finalized. It is also expected that the evaluation system will be used to evaluate and prioritize climate change adaptation policies in other regions, and then to compare the means of adaptation to climate change in various regions and to select recommendation policies.

The Evaluation of Integrated Agricultural Resource Management Policy through Water-Energy-Food Nexus - An Application to Management of Aquifer Recharge Project - (물-에너지-식량 넥서스를 활용한 통합적 농업자원관리정책 평가 - 지하수 함양 사업을 중심으로 -)

  • Sung, Jae-hoon;Lee, Hyun-jung;Cho, Wonjoo
    • Journal of Korean Society of Rural Planning
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    • v.25 no.4
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    • pp.35-45
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    • 2019
  • Korean agriculture experienced rapid changes in its production structure to respond fluctuations on external conditions, and these changes have increased the dependence between agricultural resources and negative environmental externalities from agricultural production. As a tool for managing agricultural resources and reducing negative environmental effects from agricultural production, this study employs water-energy-food nexus for integrated resource management. To show the necessity of an integrated approach, this study evaluated three policy scenarios including changes in capital interest, water capacity, and energy cost. The results show that three scenarios have unintended consequences for farmers' incomes and their use of resources. Also the unintended consequences of government policies also affected farms' vulnerability to environmental changes. In particular, the expansion of financing for the establishment of non-circulating water curtain facilities did not have a significant effect on the crop switching of farms. In addition, increasing the amount of available water through the aquifer recharge project leads to the installation of non-circulating water curtain facilities in zucchini farm. It raises dependence on groundwater in agricultural production, thereby increasing farmers' vulnerability to groundwater shortages. These results imply that the agricultural sector needs to consider the interrelationship between agricultural resources when designing or evaluating policies.

WATER RESOURCES MANAGEMENT AND PRIVATIZATION: LESSONS FROM THE UNITED STATES FOR KOREA

  • Choi, Yearn-Hong
    • Water Engineering Research
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    • v.1 no.1
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    • pp.1-10
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    • 2000
  • Water quality in becoming a serious issue in South Korea, so that modernization of drinking water and sewer plants is sought after. "Contracting out"to the private sector from the local government bureaucracy is the order of the day. This paper introduces the semi-privatized water resources management systems in the washington metropolitan area for South Korea's further privatization efforts.n efforts.

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