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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.7, 2007³â, pp.503-510
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ÀÚ¿¬ Ä£ÈÀûÀÎ ÇÏõ Á¤ºñ»ç¾÷ÀÇ Æò°¡¹æ¹ý¿¡ °üÇÑ ¿¬±¸
( A Study on the Evaluation Method of Close-to-Nature Stream Improvement Works ) |
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In the area of such a nature-friendly stream improvement, it is not established yet which engineering method is suitable for stream environment, due to lack of technology. Therefore, although nature-friendly stream improvement was done with expensive engineering method, the effect has not been fully confirmed, which results from the absence of overall valuation tool of stream improvement. In this regard, it is necessary to develop and apply comprehensive and diverse valuation methods covering stream functions to the analysis of stream improvement. In this study, we collected data from years' of monitoring on the Gyeongcheon river, which is located in Sunchang-eup, Jeollabuk-do and recently underwent an nature-friendly stream improvement work. Based on the data, we developed a series of valuation methods such as stream naturalness evaluation, life cycle evaluation, amenity evaluation, and economic benefit analysis to consider the environmental function of stream from a comprehensive perspective. Stream naturalness evaluation is a quantitative analysis of how natural a stream is, and includes additional valuation items such as ecosystem and water quality for the purpose of overall valuation, unlike existing research focusing on physical elements and structural characteristics of a stream. We developed a method of stream valuation with life cycle assessment to river reorganization project. Amenity evaluation method was developed as a means to analyze residents' satisfaction with stream improvement through questionnaires. Economic benefit analysis was developed as a means to determine the attributes of environmental water supply, ecosystem, river maintenance, and water quality and predict economic benefits using contingent valuation method (CVM) and multi-attribute utility analysis (MAUA) method in order to analyze economic benefits brought in by stream improvement. It is considered that the four methods developed in this study make possible to conduct an overall and quantitative analysis of stream improvement. |
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ÇÏõÀÚ¿¬µµ Æò°¡;Àü°úÁ¤ Æò°¡;¾î¸Þ´ÏƼ Æò°¡;°æÁ¦Àû ÆíÀÍ Æò°¡;stream naturalness evaluation;life cycle evaluation;amenity evaluation;economic benefit evaluation; |
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.7, 2007³â, pp.503-510
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734514826038)
¾ð¾î : Çѱ¹¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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