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논문 기본 정보

자료유형
학술대회자료
저자정보
Li, Guibao (Dept. of Water Envir., China Institute of Water Resources and Hydropower Research) Zhou, Huaidong (China Institute of Water Resources und Hydropower Research) Liu, Fang (Graduate Student, Agricultural University of Hebei) Wang, Dianwu (Agricultural University of Hebei)
저널정보
한국수자원학회 한국수자원학회 학술발표회 한국수자원학회 2004년도 학술발표회
발행연도
2004.1
수록면
72 - 76 (5page)

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Wetland is an important eco-system on the earth and can effectively control agricultural non-point source pollution. Reed is a typical wetland plant for land/inland water ecotone in north China. The studies indicated that reed had a underground rooted-stem, which formed a 'high speeded-connecting vessels' i.e. reed root channel (RRC) in Baiyangdian lake of Hebei province. It spread predominantly along horizontal direction underground and are mainly distributed at 18-75 cm. The results of field work from healthy reed-wetland (HRW) and regarded reed-wetland (RRW) showed that the reed, averagely, in HRW is 4.2 m height, 1 cm diameter, 65/m2 density; in RRW is 2.4 m height, 3 mm diameter, 86/m2 density. These results indicated the regradation of the function of RRC in RRW. The results of laboratory work of sewage purification from reed soil column (RSC) $(0\~100cm)$ and wheat soil column (WSC) showed that the efficiency of purification to sewage, in RSC, is high than in WSC, especially for phosphorus. The efficiency of purification, in RSC, is $92.6\%$ for total phosphorus, $43.5\%$ for total nitrogen, $54.1\%$ fur COD, respectively; in WSC, is $86.0\%$ for total phosphorus, $241.3\%$ for total nitrogen, $29.8\%$ for COD, respectively.

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