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- 검색키워드
- 주제어 : Farmland suitability (검색결과 3 건)
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배승종,윤성수,한이철,윤홍일,Bae, Seung-Jong,Yoon, Seong-Soo,Han, Yi-Cheol,Yoon, Hong-Il 한국농공학회 2010 한국농공학회논문집 Vol.52 No.5
The objective of this study is to develop evaluation indices which can be applied to analyze rational rehabilitation-policy directions of redundant farmlands. To achieve this objective, the main tasks of this research are 1) categorizing the redundant farmlands rehabilitation types 2) developing the evaluation indices of redundant farmlands rehabilitation 3) determining the weights of each index. The redundant farmlands rehabilitation types were classified into agricultural rehabilitation type, non-agricultural rehabilitation type and hybrid type which are called by agricultural income model, rural environment improvement model and hybrid model as development project name, respectively. The 5 parts and 21 indices for evaluation of redundant farmlands rehabilitation directions were extracted by case studies and experts brainstorming. The weights of each index were determined by Analytic Hierarchy Process (AHP). The developed evaluation indices were applied to study areas located on Yanghwa district of Gongju-city and Aewol district of Jeju-city. From the results of this study, it was ascertained that the evaluation indices developed in this study would help the decision-makers in the planning process of redundant farmlands rehabilitation directions.
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김용완,홍석영,김이현,장민원,Kim, Yong Wan,Hong, Suk Young,Kim, Yi Hyun,Jang, Min Won 한국농공학회 2012 한국농공학회논문집 Vol.54 No.6
This study carried out farmland suitability analysis for southern-type garlic cultivation considering soil and temperature as well as water deficit conditions. The spatial extent was limited within the area derived by Kim et al. (2012) using just soil and temperature constraints. Daily soil moisture was simulated using a one-layer soil water balance model at a $100{\times}100m$ grid unit, and then annual water deficit was calculated from 2000 to 2010. The farmland suitability was classified as four steps: best suitable, suitable, possible, and low productive. As a result, total area of best suitable or suitable farmland was about 375,900 ha, and Gimje-si and Haenam-gun were appeared as the largest favorable area for southern-type garlic cultivation. The best suitable or suitable area at Haenam-gun, Goheung-gun, Shinan-gun, Namhae-gun, and Muan-gun, major production regions of southern-type garlic, were extracted as 20,187 ha, 13,018 ha, 4,715 ha, 1,319 ha, and 349 ha, respectively. On the other hand, the result showed that the adoption of sprinkler irrigation systems might be critical in cultivating the southern-type garlic at some regions having poor water balance.
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GIS 를 활용한 지석묘 공간분포패턴의 사회경제적 배경 이해
강동석(Kang, Dong-seok) 중앙문화재연구원 2011 중앙고고연구 Vol.0 No.8
고창분지 일대는 폐쇄적 지형조건을 지니고 있으며, 지석묘군 밀집분포양상, 주형 지석묘 집중분포 등을 고려하여 하나의 공간적 분석단위로 설정할 수 있다. 특히 고창 분지 내에는 고창 상갑리·죽림리지석묘군, 상금리 지석묘군 등과 같은 대규모 군집이 존재하는데, 이러한 군집의 형성배경 이해를 위해 GIS 공간분석기법을 활용한 중심지 석묘군의 선정과 권역설정, 권역 내의 취락입지 적합성 및 가용농지 면적비 평가 등을 실시하였다. 고창분지 내 지석묘는 군집규모, 밀도, 주형지석묘의 분포위치 등에 따라 등급화가 가능하다. GIS를 활용한 등급화 분석을 통해 고창·대산·해리 지석묘군을 최상위 등급이 분포하는 중심지석묘군으로 선정하였다. 중심지석묘군의 분포권역은 가시권 분석과 비 용-거리분석, 버퍼분석, 행정구역정보 등을 활용하여 지석묘 축조집단의 취락공간으로 복원가능하다. 이것은 취락은 넓은 의미에서 생활공간뿐만 아니라, 생업경제 활동영역 과 매장의례공간을 모두 포함하는 개념이기 때문에 지석묘군의 분포정보를 통해 취락의 공간적 범위설정이 가능하다는 것을 전제로 하였다. 중심지석묘 권역 내 취락 입지의 적합성과 가용농지 분포정도는 취락공간을 점유하고 있던 지석묘 축조집단의 규모 발달정도, 사회복합도를 결정하는 중요한 사회경제적 요인으로 작용할 수 있으므로 이에 대한 평가를 실시하였다. 취락입지 적합성 평가는 중심지석묘군 권역의 경사, 사면향, 고도, 수계와의 거리 등 지형조건을 평가하였으며, 가용농지는 논, 밭 등 경작 가능한 농지의 면적비를 분석하였다. 평가결과, 중심지석묘군 전체 권역의 50% 이상 지역이 지형적으로 취락입지에 유리한 최상위 등급 분포지 역이며, 가용농지 면적 또한 50% 이상을 차지하고 있다. 이것은 중심지석묘군이 분포 하고 있는 지역이 인간의 거주에 적합한 지형적 조건을 갖추고 있었으며, 생업경제적 측면에서도 유리한 사회경제적 배경을 지니고 있었음을 보여준다. 이러한 유리한 지형적, 사회경제적 조건을 갖춘 중심지석묘군 분포지역은 한정된 자원의 이용과 통제, 사회통합 과정을 거쳐 수장층이 성장하게 된 배경으로 작용하였으며, 계층사회의 경제적·정치적 권한유지를 위한 수단으로 지석묘를 축조하였던 것으로 보인다. In this thesis, Gochang Basin has been set as a spatial analysis level. The region has features of closed geographical condition, formation of concentrated dolmen group, and intensively concentrated pillar-formed dolmen distribution area, etc. Especially, There are large size dolmen groups such as Gochang Sanggap-ri, Juknim-ri dolmen group, Sanggeum-ri dolmen group, etc. This thesis used GIS spatial analysis method for understanding formation background of these groups. I selected central dolmen group and set the analysis region and evaluated suitability of settlement position in the region, available farmlands area ratio, etc. It was possible to classify dolmen in Gochang basin according to scale of group, density, location of pillar formed dolmen distribution, etc. It was the reason of selecting central dolmen group that Gochang, Daesan, Hari dolmen group have highest class of distribution. As a result of analysis, central dolmen groups were distributed forming locally special sphere. This thesis reconstructed settlement spaces of construction of dolmen group using visible area analysis, cost-distance analysis, buffer analysis, administrative block information in dolmen group distribution area. A settlement is a concept including all of not life space but also economic activity area for living and funeral-cemetery space in broad sense. In that sense, it is possible to set spatial scale of community using distribution information of dolmen group. Social economic conditions, such as suitability of community location and distribution scale of available farmlands, might affect as critical factors determining degree of development of constructing dolmen group scale and social complexity. It was used spatial condition analysis, such as slope, slope direction, altimeter, distance from water system, etc., for evaluating of suitability of settlement position. This thesis analysed cultivatable farmland area (race paddy, field) and ratio in central dolmen group area. In the result of evaluation, central dolmen groups occupied over 50 % of in most of total regional areas where are highest grade of distribution area in settlement position and area securing cultivatable farmland factors. Central dolmen groups were distributed in regions where has suitable geographical conditions for human community and had social economic background which supported agricultural productivity of critical living economy when the dolmen had been constructed. These central dolmen group distribution areas where have advantageous geographical, social economic conditions had affected on development of top ruling class through a process using and controlling limited natural resources and social integration. The construction of dolmen might had contributed on tools of sustaining economic and political authorities in class society.
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