• Title/Summary/Keyword: river space management

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Analyzing the Spatio-temporal Trend in TMDL Water Quality for Gyeongnam Using Emerging Hot Spot Analysis (수질오염총량제 대응을 위한 경남 하천 수질의 시공간 경향성 분석)

  • Sun, Danbee;Kim, Jiho;Kim, Sangmin;Jang, Min-Won
    • Journal of Korean Society of Rural Planning
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    • v.26 no.4
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    • pp.53-65
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    • 2020
  • This study aimed to provide a basic information for managing the water quality of national and regional 1st rivers in Gyeongnam by analyzing the emerging hot spot patterns in BOD, T-P, and TOC, and by grouping the changing trends into clusters. The emerging hot spot analysis for each water quality item was implemented in ArcGIS Desktop with monthly water quality data from 96 water environmental monitoring stations in Gyeongnam, and then four patterns of water quality change were classified by the K-mean cluster analysis. As for BOD, persistent cold spot pattern covered about 42.9% of target rivers, and T-P concentration tended to be low or be getting lower at over 70% of target rivers. While, for TOC, about 70% of target rivers resulted in oscillating hot spots. In addition, the cluster analysis showed that the downstream of Nakdong river had the top priority in terms of water quality management because of the increasing concentration for all the three water quality.

Landscape Design of Gyeong-In Ara Waterway (경인 아라뱃길 친수경관 기본설계)

  • An, Byung-Chul;Shin, Hyun-Don
    • Journal of the Korean Institute of Landscape Architecture
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    • v.38 no.2
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    • pp.119-129
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    • 2010
  • This study concerns the design strategy for the waterside of Gyeong-In Ara Waterway, Korea’s first constructed canal. This design focused on the creation of a new paradigm for waterway landscapes the major factors of which were geographical advantage, value of landscape and efficient approach. As the major space plan for the waterfront formed through the Gyeong-In Ara waterway from the Yellow Sea to the Han River, eight good views of the waterfront zone were designed by utilizing the waterway as a scenery viewpoint and, by constructing two traffic lanes for the scenic parkway connecting Incheon and the Gimpo terminal, both a linear greenway as well as various waterfront facilities were also designed. A boardwalk and bike path connecting the major theme parks were planned, and a waterfront pocket park was then organized based on the bike path. In this study, the result of the new waterfront result from the Gyeong-In Ara waterway was planned to have an identity as a new waterside culture space in order to achieve multiple functions including environmental, cultural, leisure, and tourism as well as management programs based on a variety of applied culture content and story-telling.

A Case Study on Legal Systems related to Floating Building (플로팅 건축물 관련 국내외 법제도 사례 연구)

  • Lee, Han-Seok;Lee, Myung-Kwon;Kang, Young-Hun
    • Journal of Navigation and Port Research
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    • v.36 no.6
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    • pp.449-458
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    • 2012
  • Recently many different floating buildings are planed and constructed in the sea, river, etc. for active use of water spaces. But many problems are occurred in the process of floating building design, construction and management due to the inadequate legal system. This incomplete legal system has become one of the critical factors which are hampering the invigoration of floating buildings. Therefore this study is to suggest preliminary data and improvement directions through a case study with domestic and foreign examples of appropriate laws and law applications concerning floating buildings. As the results of this study the laws related to floating building have to be revised in the directions of qualifying legally floating building as 'building' but not 'ship', designating 'special zone' for floating building site, and applying the established 'building licensing procedure' to floating building also.

Spatial Analysis on the Boundary Space before and after the Korean War (6·25 전쟁 전후의 경계 공간에 대한 공간적 고찰)

  • JEONG, Hae-Yong
    • Journal of the Korean Association of Geographic Information Studies
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    • v.22 no.1
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    • pp.114-128
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    • 2019
  • This study is a spatial analysis of the boundaries related to the division of the Korean peninsula. The boundary space was extracted by extracting $38^{th}$ parallel and digitizing the map of the Armistice Agreement Annex. The purpose of this analysis was to extract more accurate scope based on the armistice agreement, the appendices, and the UNC regulations and to analyze the wrong information correctly. The range of demilitarized zones was determined by UNC 551-4(2014) and UNC 551-5(2015) to ensure that there is no change in the location of the Southern Limit Line. It also confirmed that the MACHA was excluded in the DMZ. As a result, the area of the DMZ was measured at $889.7km^2$. Also this study identified the interval and number of markers in the MDL and the Han River estuary. It could be confirmed that the interval of markers within the MDL depends on the subject of management. This study is more accurate from the start and can be used as basic data needed in the study and education of DMZ and border areas after verification by public organizations.

A Study on the Morphological Management of Major Landscape Elements in Organic Farming (유기농업단지 주요경관요소의 물리적 관리방안에 관한 연구)

  • An, Phil Gyun;Kong, Min Jea;Lee, Sang Min;Kim, Sang Bhum;Jo, Jung Lae;Kim, Nam Chun;Shin, Ji Hoon
    • Journal of Korean Society of Rural Planning
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    • v.26 no.2
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    • pp.107-116
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    • 2020
  • Up to date, the majority research on the major landscape elements in organic farming has been mainly focused on the practice of seeking efficiency. The problem is that this type of study contributes to polluting the agricultural environment and damaging the ecological circulation system. As an alternative, there is a growing body of research on organic farming, but it is not widely applied that research on how to manage the landscape considering the scenic characteristics of farming villages practicing organic farming. Therefore, this study was carried out in the conservative aspects of rural landscapes in order to effectively manage the landscape of organic agriculture and, intended to be used to maintain and preserve natural and ecologically harmonious landscapes by deriving management methods suitable for landscape elements targeting the major landscape elements of the organic farming complex. To carry out, this study performed the experts survey which is composed of 13 major landscape elements, including rice paddies and fields, monoculture and diverse crops, dirt roads, windbreak trees, accent planting, dum-bung(small pond), natural small river, natural waterways, plastic film houses, one-storied houses, and pavilion. As a result, Farm land was formed in a square shape, concentrated in an independent space, planted companion plants around the crop, and covered with plants to manage the borders. As for the surrounding environment, it was analyzed that the aspart road system circulating through the village, the evergreen broad-leaved windbreak forest around the cultivated land, and the accent plant located at the entrance of the village were suitable. The hydrological environment consists of Round small pond made of stone in an open space, natural rivers around the village, and natural channels around the farmland, and The Major facilities are suitable for greenhouses that are shielded by plants in independent regions, and wooden duck houses located inside the cultivation area are suitable and The settlement facilities were analyzed to be suitable for single-story brick houses located in independent residential areas, pavilion located with greenery in the center of the village, and educational spaces shielded with wood from arable land. If supplementary evaluation criteria suitable for the management of organic farming landscape are additionally supplemented based on the results derived from this study, It is expected to enhance the landscape value of ecologically superior organic farming.

Spatial Variation in Land Use and Topographic Effects on Water Quality at the Geum River Watershed (토지이용과 지형이 수질에 미치는 영향의 공간적 변동성에 관한 연구 - 금강 권역을 중심으로)

  • Park, Se-Rin;Choi, Kwan-Mo;Lee, Sang-Woo
    • Korean Journal of Ecology and Environment
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    • v.52 no.2
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    • pp.94-104
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    • 2019
  • In this study, we investigated the spatial variation in land use and topographic effects on water quality at the Geum river watershed in South Korea, using the ordinary least squares(OLS) and geographically weighted regression (GWR) models. Understanding the complex interactions between land use, slope, elevation, and water quality is essential for water pollution control and watershed management. We monitored four water quality indicators -total phosphorus, total nitrogen, biochemical oxygen demand, and dissolved oxygen levels - across three land use types (urban, agricultural, and forested) and two topographic features (elevation and mean slope). Results from GWR modeling revealed that land use and topography did not affect water quality consistently through space, but instead exhibited substantial spatial non-stationarity. The GWR model performed better than the OLS model as it produced a higher adjusted $R^2$ value. Spatial variation in interactions among variables could be visualized by mapping $R^2$ values from the GWR model at fine spatial resolution. Using the GWR model, we were able to identify local pollution sources, determine habitat status, and recommend appropriate land-use planning policies for watershed management.

A Landscape Ecological Classification based on Watershed Focusing Landcover Types (경관생태학적 유역관리를 위한 토지이용 유형 분류)

  • Oh, Jeong-Hak;Jung, Sung-Gwan;Kwon, Jino;Park, Kyung-Hun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.10 no.4
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    • pp.22-34
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    • 2007
  • The purpose of this study is to evaluate landscape characteristics of watersheds in the Nakdong River Basin for identifying the groups of watershed with similar landcover patterns by using Geographic Information System and statistical technique. According to the results based on the cluster analysis using cluster analysis tool in the ArcGIS 8.3 program, 22 sub-watersheds were classified into three types; "Forest watershed", "Agriculture watershed", and "Urban watershed". In the forest watershed that has the least potential of ecological disturbances by human, a forest management approach based on geographic conditions and coverage types, etc., should be developed to sustain the ecological and environmental functions of forest. For the agriculture watershed, environmental-friendly agricultural techniques should be performed in the particular enhancement of riparian buffer zone to the prevent direct inflow of soils, fertilizers, and other chemicals into the stream network. Finally, in the urban watershed, an environmental-friendly plan that may increase the ratio of pervious surface and amount of green-space to should be reserved.

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Comparative Exploration of Gyeongin Ara Waterway Recognition Before and After COVID-19 Outbreak Using Unstructured Big Data (비정형 빅데이터를 활용한 코로나19 발병 전후 경인 아라뱃길 인식 비교 탐색)

  • Han Jangheon
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.20 no.1
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    • pp.17-29
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    • 2024
  • The Gyeongin Ara Waterway is a regional development project designed to transport cargo by sea and to utilize the surrounding waterfront area to enjoy tourism and leisure. It is being used as a space for demonstration projects for urban air transportation (UAM), which has recently been attracting attention, and various efforts are being made at the local level to strengthen cultural and tourism functions and revitalize local food. This study examined the perception and trends of tourism consumers on the Gyeongin Ara Waterway before and after the outbreak of COVID-19. The research method utilized semantic network analysis based on social network analysis. As a result of the study, first, before the outbreak of COVID-19, key words such as bicycle, Han River, riding, Gimpo, Seoul, hotel, cruise ship, Korea Water Resources Corporation, emotion, West Sea, weekend, and travel showed a high frequency of appearance. After the outbreak of COVID-19, keywords such as cafe, discovery, women, Gimpo, restaurant, bakery, observatory, La Mer, and cruise ship showed a high frequency of appearance. Second, the results of the degree centrality analysis showed that before the outbreak of COVID-19, there was increased interest in accommodations for tourism, such as Marina Bay and hotels. After the outbreak of COVID-19, interest in food such as specific bakeries and cafes such as La Mer was found to be high. Third, due to the CONCOR analysis, five keyword clusters were formed before the outbreak of COVID-19, and the number of keyword clusters increased to eight after the outbreak of COVID-19.

A Study on the Operation Direction of the Specialized Library Based on the Local Environment: Focusing on the Construction of County A Library (지역 환경 기반의 특성화 도서관 운영 방향에 관한 연구: A군 도서관 건립을 중심으로)

  • Bo-il Kim;Hong-Ryul Kim
    • Journal of the Korean Society for information Management
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    • v.41 no.1
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    • pp.59-83
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    • 2024
  • The directions of recent library construction and operation reflect people's changed lifestyle and suggest innovative spaces specialized on the basis of the local environment. Hence, as the goals of the operation of (tentatively named) Songdaeso Library to be constructed within the Hantangang River UNESCO Global Geopark, this study proposes 'acting as complex cultural facilities,' 'operating stay-type reading culture space which is a shrine for workcation,' and 'acting as the landmark of A-gun (郡, county).' And this study works out strategies for its operation, which includes 'securing the validity of the construction of (tentatively named) Songdaeso Library,' 'linking to library policy as the driving force behind its operation,' and 'demonstrating the necessity for the existence of the library arising from the operation of the geological specialized library through landscape architecture.' It also presents concomitant operating plans, which are categorized into plans for manpower, library books, services, and budget.

Applicability of Multi-Temporal MODIS Images for Drought Assessment in South Korea (봄 가뭄 평가를 위한 다중시기 MODIS 영상의 적용성 분석)

  • Park, Jung-Sool;Kim, Kyung-Tak;Lee, Jin-Hee;Lee, Kyu-Sung
    • Journal of the Korean Association of Geographic Information Studies
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    • v.9 no.4
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    • pp.176-192
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    • 2006
  • The need for a systematic drought management has increased since last countrywide drought in 2001. Naturally various studies for establishing drought plan and preventing drought disaster have been conducted. MODIS image provided by Terra satellite has effective spatial and temporal resolutions to observe spatial and temporal characteristics of a region. MODIS data products are easy for preprocessing and correcting geometrically and provide various data set in regular which are applicable for drought monitoring. In this study, Ansung river and the upstream of South Han river basin was chosen for case study to identify and assess spring drought. The multi-period MODIS image and accumulated precipitation were used to detect not only the drought year but also the vegetation change of normal year and the result were compared with various spatial data. The result shows NDVI and LSWI with is more appropriate than LST for assesing spring drought in Korea and two month cumulative precipitation has moderate relationship with drought. It is necessary to use MODIS image which has same period and same space for effective drought analysis because drought is also affected by landover and altitude.

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