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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The purpose of this study is to estimate the soil loss due to land use change in a large scale land development by analyzing before and during development with the Geographic Information System (GIS). To estimate the soil loss in the experimental area, the Universal Soil Loss Equation (USLE), which is the most comprehensive and useful technique to predict soil erosion is adopted.
Predicted the environmental problems in the Okam New Town Development area are erosion and soil loss due to exposing the land surface during development. It is expected to cause serious environmental problems in neighboring areas. It will cause eutrophication of water and increased water level in neighboring Lake Youngsan.
The possible alternatives to these the problems are as follows.
The primary method of erosion control in such development is to stabilize the exposed surface with vegetation. However, the revegetation of the exposed surface will be very difficult in this case due to poor environmental conditions such as insufficient nutrition, soil oxidation, and the loss of organic matter. Therefore, special techniques for revegetation are necessary.
Additionally, appropriately sized sediment basins must be installed to prevent outflow of the sediments which can be a serious environmental problem.
Erosion and sediment control plans are generally prepared after a site development plan has been proposed. After street alignments, building pads, cutting and filling have been drawn on a site map, engineers are asked to provide some facilities like sediment basins to control erosion because the city requires erosion control. This is not an ideal scenario controlling erosion, and it often results in totally ineffective plans. If grading is proposed in areas of high erosion potential, as on steep slopes and highly erodible soils, it may be impossible to prevent erosion. Therefore, careful systematic site planning is an essential first step in the control of erosion and sediment.
Predicted the environmental problems in the Okam New Town Development area are erosion and soil loss due to exposing the land surface during development. It is expected to cause serious environmental problems in neighboring areas. It will cause eutrophication of water and increased water level in neighboring Lake Youngsan.
The possible alternatives to these the problems are as follows.
The primary method of erosion control in such development is to stabilize the exposed surface with vegetation. However, the revegetation of the exposed surface will be very difficult in this case due to poor environmental conditions such as insufficient nutrition, soil oxidation, and the loss of organic matter. Therefore, special techniques for revegetation are necessary.
Additionally, appropriately sized sediment basins must be installed to prevent outflow of the sediments which can be a serious environmental problem.
Erosion and sediment control plans are generally prepared after a site development plan has been proposed. After street alignments, building pads, cutting and filling have been drawn on a site map, engineers are asked to provide some facilities like sediment basins to control erosion because the city requires erosion control. This is not an ideal scenario controlling erosion, and it often results in totally ineffective plans. If grading is proposed in areas of high erosion potential, as on steep slopes and highly erodible soils, it may be impossible to prevent erosion. Therefore, careful systematic site planning is an essential first step in the control of erosion and sediment.
목차
ABSTRACT
Ⅰ. 序論
Ⅱ. ?究 方法
Ⅲ. 結果 및 考察
Ⅳ. 摘要
參考文獻
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