지원사업
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
In order to assess the role of aeration in stormwater wetlands, oxygen supply and consumption in a wetland treating runoff from livestock farms were estimated and analyzed. Furthermore, oxygen mass balance was conducted during day time and night time. Internal production by algal photosynthesis dominated the oxygen production particularly in the shallow marsh due to the large amount of algae. Consequently, algal respiration was also the major oxygen depletion element with nitrification and biodegradation estimated as 5.35% and 6.43% of the total oxygen consumption. This excessive portion of oxygen consumption by algae was associated to the highly turbid water caused by the resuspension of sediment particles in the aeration pond, which also affected the subsequent wetland.
Moreover, an abundance of oxygen was estimated during the day indicating that oxygen produced by algal activity is sufficient to meet the oxygen demand in the wetland. Thus, supplemental aeration was deemed not necessary at daytime. In contrast, oxygen was greatly depleted at night when algal photosynthesis stopped which induced denitrification. Therefore, it was suggested that supplemental aeration may be operated continuously instead of intermittently to avoid oxygen deficit in the wetland at night or it may be stopped entirely to further enhance denitrification.
목차
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참고문헌 (28)
참고문헌 신청
Cloern, JE / 1987 / Turbidity as a control on phytoplankton biomass and productivity in estuaries / Continental Shelf Research 7(11-12):1367~1381
Cosby, BJ / 1984 / Identification of photosynthesis-light models for aquatic systems: II. Application to a macrophyte dominated stream / Ecological Modelling 23(1-2):25~51
Dong, C / 2011 / Diurnal fluctuations in root oxygen release rate and dissolved oxygen budget in wetland mesocosm / Desalination 272(1-3):254~258
Fidelibus, MW / 1993 / Methods for Plant Sampling. Restoration in the Colorado Desert: Management Notes / California Department of Transportation
Gaarder, T / 1927 / Investigations of the production of plankton in the Oslo Ford / International Council for the Explorations of the Sea
Cosby, BJ / 1984 / Identification of photosynthesis-light models for aquatic systems: II. Application to a macrophyte dominated stream / Ecological Modelling 23(1-2):25~51
Dong, C / 2011 / Diurnal fluctuations in root oxygen release rate and dissolved oxygen budget in wetland mesocosm / Desalination 272(1-3):254~258
Fidelibus, MW / 1993 / Methods for Plant Sampling. Restoration in the Colorado Desert: Management Notes / California Department of Transportation
Gaarder, T / 1927 / Investigations of the production of plankton in the Oslo Ford / International Council for the Explorations of the Sea
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