• Title/Summary/Keyword: Driver pressure state impact response

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Heavy Snow Vulnerability Index in Chungnam Region using PSR and DPSIR (PSR과 DPSIR을 이용한 충남지역 대설 취약성 분석)

  • Keun Woo Lee;Yong Chan Jung;Gunhui Chung
    • Proceedings of the Korea Water Resources Association Conference
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    • 2023.05a
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    • pp.438-438
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    • 2023
  • 최근 전 세계적으로 기후변화가 심해지고 있어 자연재해 또한 늘어나고 있다. 많은 자연재해 중 겨울철 재해인 대설 피해는 2012년부터 2021년까지 10년동안 약 1,200억의 피해액이 발생하였고 많은 재산 피해의 위험이 있어 지속적인 연구가 필요하다. 그 중 충남지역의 피해액은 약 200 억으로 우리나라의 피해액 중 두 번째로 많다. 따라서 본 연구에서는 PSR(Pressure Index, State Index, Response Index)과 DPSIR(Driver force Index, Pressure Index, State Index, Impact Index, Response Index) 방법을 이용하여 충남지역의 대설에 대한 취약성을 분석하여 더 신뢰할 수 있는 대설 위험지역을 제시하였다. PSR 방법은 압력지수, 상태지수, 반응지수로 구분되고, DPSIR 방법은 추진력, 압력, 상태, 영향, 대책 지수로 나뉜다. 각 지표에 해당하는 데이터베이스를 구축하고 엔트로피 방법을 이용하여 가중치를 산정하고 충남지역의 대설 취약성 지수를 산출하였다. 2018년부터 2022년까지 최근 5년 동안의 충남지역의 대설피해를 기준으로 PSR(Pressure Index, State Index, Response Index)과 DPSIR(Driver force Index, Pressure Index, State Index, Impact Index, Response Index) 방법을 이용하여 산출한 지수를 비교한 결과 DPSIR(Driver force Index, Pressure Index, State Index, Impact Index, Response Index) 방법을 이용하여 산출된 취약성 지수가 더 신뢰할 수 있는 결과를 보였다. 본 연구의 결과 대설피해 발생 시 대설 위험지수가 높은 지역을 선제적으로 대비할 수 있고 효율적인 제설대응체계를 구축할 수 있을 것으로 기대된다.

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Prioritization of Alternatives by Quantifying the Effect on Water Quanity and Quality using PCSWMM (PCSWMM 모형의 수량 및 수질 측면의 효과분석 결과를 이용한 대안의 우선순위 제시)

  • Hong, Won-Pyo;Chung, Eun-Sung;Kim, SangUg;Park, Kyung-Shin;Lee, Kil Seong
    • Journal of Korean Society on Water Environment
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    • v.25 no.1
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    • pp.37-47
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    • 2009
  • This study analyzes the effect of alternatives and estimates alternatives evaluation index (AEI) using PCSWMM and weighted summation method. PCSWMM considering combined sewer overflows (CSOs) in the Mokgamcheon watershed was used and effectiveness analysis of alternative was conducted to develop not only flowrate but also the pollutant of BOD and SS. Indicators of AEI are selected using sustainability evaluation concept, driver-pressure-state-impact-response (DPSIR) framework and calculated by weighted summation method. After estimating AEI, alternatives was classified into three groups G (Good), A (Acceptable) and P (Poor) grade. As a results, it is analyzed that alternatives applied to Oryucheon were G grade and those of Yeokgokcheon were P grade and the remainings were 'A' grade. This result will be effective to the integrated watershed management for sustainablility.

Population parameters and sustainable status of lompa fish Thryssa baelama (Forsskal, 1775) manage through sasi approach at Haruku Village

  • Tetelepta, Johannes M.S.;Natan, Yuliana;Pattikawa, Jesaja A.;Bernardus, Agil S.
    • Fisheries and Aquatic Sciences
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    • v.25 no.2
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    • pp.101-116
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    • 2022
  • The harvesting season of lompa fish, Thryssa baelama, through sasi, indigenous knowledge in resources management, in Haruku Village has become a socio-cultural event that attracts many people. The sasi of lompa fish has been conducted for hundreds of years. Information on the bioecology aspect of lompa fish is limited, while this information is crucial for lompa fish sustainability through the sasi approach. This study aimed to investigate some population parameters of lompa fish, its sustainability status, and proposed a sustainable management strategy for the lompa fishery of Haruku Village. Fish population parameter covers length-weight relationship, growth pattern, size distribution, sex ratio, and the body condition index. The sustainability status was assessed following the Rapfish approach. Fisheries management strategy was performed using a conceptual model framework based on Driver Pressure State Impact Response. The research shows that the total length varies between 9.2-14.3 cm. A high relationship was found between total length and weight, and the growth pattern was an allometric negative. There was a difference in sex ratio between males and females, with females dominant. The body condition index varies over time, probably due to reproductive status. The overall sustainability status was at fair condition (61.60%), with the ecological domain having the highest sustainable status (71.07%) and considered sustain. In comparison, the technological domain had the lowest sustainability status (52.58%) and was considered fair sustain. There were seven management strategies proposed for sustainable management for the lompa fishery.

Development of Flood Vulnerability Index Considering Climate Change (기후변화를 고려한 홍수취약성지표의 개발)

  • Son, Min-Woo;Sung, Jin-Young;Chung, Eun-Sung;Jun, Kyung-Soo
    • Journal of Korea Water Resources Association
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    • v.44 no.3
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    • pp.231-248
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    • 2011
  • This study aims to develop the Flood Vulnerability Index (FVI) and apply it to the Bukhan River Basin. A1B and A2 scenarios of CGCM3 of IPCC were adopted and SDSM (Statistical Downscaling Model) was used to downscale the original data to the daily data. Driver-Presure-State-Impact-Response (DPSIR) model was introduced to select all appropriate indicators for FVI and the daily rainfall-runoff model was simulated using HSPF (Hydrological Simulation Program-Fortran). Since FIV proposed in this study has a capability to quantify the potential flood vulnerability considering both present and future climate conditions, it is expected to be used for the comprehensive water resources and environmental planning.

Prioritizing Alternatives by Quantifying the Effect on Water Quality and Quality Using PCSWMM (PCSWMM 모형의 수량 및 수질 측면의 효과분석 결과를 이용한 대안의 우선순위 산정)

  • Chung, Eun-Sung;Lee, Kil-Seong;Hong, Won-Pyo;Park, Hyung-Shin
    • Proceedings of the Korea Water Resources Association Conference
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    • 2008.05a
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    • pp.754-758
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    • 2008
  • This study establishes management plan for water quantity and quality using PCSWMM and alternative evaluation index (AEI). PCSWMM can consider combined sewer overflows (CSOs) and simulate not only the flowrate but aslo the pollutant of BOD, SS, TN and TP for the effectiveness analysis of alternatives. Indicators of AEI are selected using sustainability evaluation concept, driver-pressure-state-impact-response (DPSIR) model and calculated by weighted summation method. These were applied for the Mokgancheon watershed which has many combined sewers. This result will be effective to the integrated watershed management for sustainability.

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