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새만금 간척지구의 농업용지 토지이용계획을 고려한 농업용수 수요량 산정
장정렬,이성학,조영권,최진용,Jang, JeongRyeol,Lee, SungHack,Cho, Youngkweon,Choi, JinYong 한국관개배수위원회 2014 한국관개배수논문집 Vol.21 No.1
The purpose of this study is to calculate agricultural water demand as considering landuse plan of the farm land on the Saemangeum tidal land reclamation project. This study based on the farm landuse plan(2012) and considered some items which did not included previous work like prevention water for resalinization for paddy and upland and muli-purpose water for upland. This study showed that the agricultural water demand estimated $145.123Mm^3/yr$, which is needed as much $14.792Mm^3/yr$ as more water than previous work. The difference comes from the change of unit water demand. Water demand is possible to be changed if guidelines are improved and detailed design work is completed through further study. Especially, the more studies for prevention water for resalinization in a tidal reclaimed farmland and water demand for a horticulture are needed.
장정렬,신유리,정지연,최강원,Jang, Jeong-Ryeol,Shin, Yu-Ri,Jung, Ji-Yeon,Choi, Kang-Won 한국관개배수위원회 2011 한국관개배수논문집 Vol.18 No.1
The standard design methodology was suggested to construct wetland system for reducing non-point source pollution from Saemangeum reclaimed paddy land. To set for the design flow and concentrations, runoff and water quality survey were conducted during the irrigation period in 2008 at Gyehwa reclaimed paddy land located at near Saemangeum lake. It is rational that 1ha is the optimum constructed wetland size. To meet this size, the moderate drainage area of reclaimed paddy field was 50ha under the conditions that rainfall is 30mm, average runoff coefficient is 0.83, and runoff capture ratio is 0.6. At these condition, the runoff volume from 50ha was 10,520 $m^3/d$ including base flow during irrigation period. To select the optimum wetland system, several case studies were conducted by focusing on the tidal reclaimed land areas having wetland systems in Seokmun. Pond-Wetland system was selected as the standard model because of showing the highest reduction efficiency. Single variable regression equation were delivered to estimate effluent water concentrations from the designed wetland by using long-term monitoring data from the Seokmun experiment site. The effluent concentration from the designed wetland using these equation were showed moderately range.
농업용 저수지 내 침강지의 설치유형에 따른 수질정화효율 평가
장정렬,최선화,남귀숙,권순국 한국수자원학회 2005 한국수자원학회논문집 Vol.38 No.8
본 연구의 목적은 농업용 저수지 유입부에 설치된 3가지 유형(준설형, 차수막형, 보조댐형)의 침강지에 대한 수질정화효율 평가와 수질정화효율 면에서 유리한 침강지의 유형과 적정규모를 살펴보는데 있다. 이를 위해서 주요 수질 항목에 대한 정화효율과 침강지 설치전후의 퇴적물의 이화학적특성을 조사하였다. 수질정화효율은 침강지 유형, 수질항목 및 조사시기에 따라 에서 사이의 넓은 변동을 보였다. 농도회귀법(ROC)으로 평가한 설계정화효율은 준설형이 , 차수막형이 The aim of this study is to evaluate 3 types of sedimentation basins: dredging, shield skirt and auxiliary dam, constructed at inlets of two irrigation reservoir and to estimate the most beneficial type and fitted size, SAR(surface to area ratio), for pol
현대문학에 나타난 생태페미니즘 - 정진규 시와 이윤기 「구멍」을 중심으로 -
장정렬 한국문화융합학회 2023 문화와 융합 Vol.45 No.1
The purpose of this paper is to examine the ecological feminism in Korean literature. Jeong Jin-gyu's poem and Lee Yoon-ki's short story "Hole" talk about nature and women alike. However, while Jeong Jin-gyu's work reveals intact nature, femininity, principles of life, and vivid vitality, Lee Yoon-ki's novel criticizes the selfishness of humans(men) through femininity and ecosystems in crisis. Nevertheless, 「hole」 shows the possibility of re-recognition of the world through the realization of 'him'. Jeong Jin-gyu's poems are dedicated to expressing or admiring the feminine and productive principles of nature. This is effective in finding its place in nature and women who have been alienated or distorted in the reality of ecosystem destruction. Ecofeminist literature makes us recognize the reality that nature, women, and the world are distorted by socio-political institutions or power. It also urges the restoration of ecological ethics, heals the wounds of the separated world, and functions as a goddess to adjust the ecosystem in crisis.