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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Monitored data (rainfall runoff and water quality) from 4 different paddy sites over 3 years were compared to analyze the effect of irrigation water management on irrigation supply and rainfall runoff quality in Korea. The system of rice intensification water management was adopted at one site (SRI) while the conventional water management method was used for rice culture at the other three sites (CT, SD and HD). The soil texture at SRI, CT and SD was sandy loam while that at HD was silt loam. The average reduction of irrigation supply at SRI compared with CT, SD and HD during the 3 years studied was 49%, 51% and 55%, respectively. The average event mean concentration (EMC) at SRI compared with that at CT, SD and HD was decreased by 35% (BOD), 44% (COD), 47% (SS), 19% (TN) and 38% (TP). The correlation between rainfall runoff and the measured non-point source (NPS) pollutants was very good in general. The comparison revealed that SRI water management significantly reduced both irrigation supply and EMC in rainfall runoff. Paddy NPS pollution was closely related to factors that induce runoff such as rainfall and irrigation supply. It was concluded that SRI management could be an effective and practical option to cope with both water shortage due to climate change and water quality improvement in rural watersheds. However, further studies are recommended in large irrigation districts for use in the development and implementation of NPS pollution policies since the data was collected from field sized paddies.
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참고문헌 (31)
참고문헌 신청
American Public Health Association. and American Water Works Association / 2012 / Standard Methods for Examination of water and Wastewater
Choi, D. H. / 2012 / Water Quality and Load Charateristics of Irrigation Water from Agricultural Reservoir / Koream National Committee on Irrigation and Drainage 19(2):71~80
Choi, J. D. / 2014 / Effect of SRI Water Management on Water Quality and Greenhouse GAS Emissions in Korea / Journal of Irrigation and Drainage Engineering 63:263~270
Choi, J. D. / 2015 / Effect of SRI Methods on Water Use, NPS Pollution Discharge, and GHG Emission in Korean Trials / Paddy Water Environment 13:205~213
Choi, J. K. / 2001 / Nutrient Balance and Runoff Loading During Cropping Period from a Paddy Plot in Maryeong Irrigation Distict / Journal of the Korean Society of Agricultural Engineers 43(5):153~162
Choi, D. H. / 2012 / Water Quality and Load Charateristics of Irrigation Water from Agricultural Reservoir / Koream National Committee on Irrigation and Drainage 19(2):71~80
Choi, J. D. / 2014 / Effect of SRI Water Management on Water Quality and Greenhouse GAS Emissions in Korea / Journal of Irrigation and Drainage Engineering 63:263~270
Choi, J. D. / 2015 / Effect of SRI Methods on Water Use, NPS Pollution Discharge, and GHG Emission in Korean Trials / Paddy Water Environment 13:205~213
Choi, J. K. / 2001 / Nutrient Balance and Runoff Loading During Cropping Period from a Paddy Plot in Maryeong Irrigation Distict / Journal of the Korean Society of Agricultural Engineers 43(5):153~162
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