Nitrogen pollution and source identification in the Haicheng River basin in Northeast China

A survey was conducted in the Haicheng River near Liaodong Bay to analyze the characteristics and sources of the in-stream nitrogen pollution throughout the year 2010. The results indicated that the total nitrogen (TN) concentrations in the river water all exceeded the GB3838-2002 standard for Class...

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Veröffentlicht in:	The Science of the total environment 2011-08, Vol.409 (18), p.3394-3402
Hauptverfasser:	Bu, Hongmei, Meng, Wei, Zhang, Yuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Anthropogenic impacts Applied sciences China Continental surface waters Demand Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Environmental Monitoring Exact sciences and technology Natural water pollution Nitrate nitrogen Nitrification Nitrogen - analysis Nitrogen pollution Non-point pollution Pollution Pollution abatement Pollution, environment geology River basins Rivers Rivers - chemistry Sampling Seasons Seawaters, estuaries Water Pollutants, Chemical - analysis Water pollution Water Pollution, Chemical - statistics & numerical data Water quality Water treatment and pollution
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Zusammenfassung:	A survey was conducted in the Haicheng River near Liaodong Bay to analyze the characteristics and sources of the in-stream nitrogen pollution throughout the year 2010. The results indicated that the total nitrogen (TN) concentrations in the river water all exceeded the GB3838-2002 standard for Class V guideline of 2.0mg/l at all sampling sites during the sampling seasons. Ammoniacal nitrogen (NH3-N) dominated TN during the spring season, while nitrate nitrogen (NO3-N) dominated during the summer and autumn seasons. Different forms of nitrogen had significant seasonal variations (p
ISSN:	0048-9697 1879-1026
DOI:	10.1016/j.scitotenv.2011.05.030