宿州市沱河沉积物氮磷和有机碳分布及评价
|
摘要
通过测定沱河宿州城区段沉积物中总氮(TN)、总磷(TP)和总有机碳(TOC)的含量,分析其分布特征,运用C/N和N/P比值法研究其可能来源,采用有机指数和折算后有机氮评价沱河沉积物污染状况。结果表明:沱河城区段沉积物中TN、TP和TOC平均质量比分别为1 343 mg/kg、608 mg/kg和30 201 mg/kg;C/N和N/P比值表明河流底泥沉积物中C、N和P污染可能是外源输入,且受煤炭工业发展影响较大;有机氮达到Ⅲ级,属于尚清洁程度,有机指数达到Ⅳ级,属于有机污染范畴,5号采样点需引起有关部门注意。
In the paper,the contents of total nitrogen( TN),total phosphorus( TP) and total organic carbon( TOC) in sediment from Tuohe River in Suzhou were determined. Based on analyzing the spatial distribution characteristics,it was revealed the possible sources of three kinds of pollutants by C/N and N/P ratios and evaluated the pollution level by converted organic nitrogen and organic matter index. The results showed that the average contents of TN,TP and TOC in sediment were 1 343 mg/kg,608 mg/kg and 30 201 mg/kg,respectively.The C/N and N/P ratios revealed that C,N and P pollutants in sediment might come from exogenous inputs which were greatly affected by the development of coal industry. The organic nitrogen from urban river sediment in Suzhou City reached to the third degree,which still belonged to clean level. The organic index indicated that the organic pollution in sediment from the urban section of Tuohe River in Suzhou City reached to the Ⅳ level,which belonged to organic pollution. In general,the analysis data from No. 5 sampling site should be paid close attention by related departments.
In the paper,the contents of total nitrogen( TN),total phosphorus( TP) and total organic carbon( TOC) in sediment from Tuohe River in Suzhou were determined. Based on analyzing the spatial distribution characteristics,it was revealed the possible sources of three kinds of pollutants by C/N and N/P ratios and evaluated the pollution level by converted organic nitrogen and organic matter index. The results showed that the average contents of TN,TP and TOC in sediment were 1 343 mg/kg,608 mg/kg and 30 201 mg/kg,respectively.The C/N and N/P ratios revealed that C,N and P pollutants in sediment might come from exogenous inputs which were greatly affected by the development of coal industry. The organic nitrogen from urban river sediment in Suzhou City reached to the third degree,which still belonged to clean level. The organic index indicated that the organic pollution in sediment from the urban section of Tuohe River in Suzhou City reached to the Ⅳ level,which belonged to organic pollution. In general,the analysis data from No. 5 sampling site should be paid close attention by related departments.
引文
[1]YAN H Y,ZHANG X R,DONG J H,et al.Spatial and temporal relation rule acquisition of eutrophication in Da'ning River based on rough set theory[J].Ecological Indicators,2016,66:180-189.
[2]庆旭瑶,任玉芬,吕志强,等.重庆市主城区次级河流总氮总磷污染特征分析及富营养化评价[J].环境科学,2015,36(7):2446-2452.
[3]潘炜.基于灰色聚类方法的湖泊营养状态综合评价[J].环境监测管理与技术,2014,26(6):35-38.
[4]李海妮,邱伟建,黄晓峰,等.太湖蠡湖水体和沉积物中元素空间分布特征[J].环境监测管理与技术,2016,28(2):23-28.
[5]卢少勇,蔡珉敏,金相灿,等.滇池湖滨带沉积物氮形态的空间分布[J].生态环境学报,2009,18(4):1351-1357.
[6]丁建华,王翠红,周新春,等.晋阳湖底泥中氮磷特征的初步研究[J].安全与环境学报,2008,8(3):14-17.
[7]YU J H,FAN C X,ZHONG J C,et al.Evaluation of in situ simulated dredging to reduce internal nitrogen flux across the sediment-water interface in Lake Taihu,China[J].Environmental Pollution,2016,214:866-877.
[8]刘涛,杨柳燕,胡志新,等.太湖氮磷大气干湿沉降时空特征[J].环境监测管理与技术,2012,24(6):20-24.
[9]朱梦圆,朱广伟,王永平.太湖蓝藻水华衰亡对沉积物氮、磷释放的影响[J].环境科学,2011,32(2):409-415.
[10]尤本胜,王同成,范成新,等.太湖沉积物再悬浮模拟方法[J].湖泊科学,2007,19(5):611-617.
[11]SCHINDLER D W.Evolution of phosphorus limitation in lakes[J].Science,1977,195:260-262.
[12]李军.藏北高原湖泊表层沉积物有机碳、碳氮比以及有机碳同位素特征及其环境意义[D].兰州:兰州大学,2014.
[13]王永华,钱少猛,徐南妮,等.巢湖东区底泥污染物分布特征及评价[J].环境科学研究,2004,17(6):22-26.
[14]卢少勇,许梦爽,金相灿,等.长寿湖表层沉积物氮磷和有机质污染特征及评价[J].环境科学,2012,33(2):393-398.
[15]程先,孙然好,孔佩儒,等.海河流域水体沉积物碳、氮、磷分布与污染评价[J].应用生态学报,2016,27(8):2679-2686.
[16]李强,霍守亮,王晓伟,等.巢湖及其入湖河流表层沉积物营养盐和粒度的分布及其关系研究[J].环境工程技术学报,2013,3(2):147-155.
[17]刘建伟.南流江城市河流沉积物营养盐富集特征及污染评价研究[D].南宁:广西师范学院,2015.
[18]杨洋,刘其根,胡忠军,等.太湖流域沉积物碳氮磷分布与污染评价[J].环境科学学报,2014,34(12):3057-3064.
[19]冯峰,王辉,方涛,等.东湖沉积物中微生物量与碳、氮、磷的相关性[J].中国环境科学,2006,26(3):342-345.
[20]KRISHNAMURTHY R V,BHATTACHARYA S K,KUSUMGAR S.Palaeoclimatic changes deduced from13C/12C and C/N ratios of Karewa Lake sediments,India[J].Nature,1986,323:150-152.
[2]庆旭瑶,任玉芬,吕志强,等.重庆市主城区次级河流总氮总磷污染特征分析及富营养化评价[J].环境科学,2015,36(7):2446-2452.
[3]潘炜.基于灰色聚类方法的湖泊营养状态综合评价[J].环境监测管理与技术,2014,26(6):35-38.
[4]李海妮,邱伟建,黄晓峰,等.太湖蠡湖水体和沉积物中元素空间分布特征[J].环境监测管理与技术,2016,28(2):23-28.
[5]卢少勇,蔡珉敏,金相灿,等.滇池湖滨带沉积物氮形态的空间分布[J].生态环境学报,2009,18(4):1351-1357.
[6]丁建华,王翠红,周新春,等.晋阳湖底泥中氮磷特征的初步研究[J].安全与环境学报,2008,8(3):14-17.
[7]YU J H,FAN C X,ZHONG J C,et al.Evaluation of in situ simulated dredging to reduce internal nitrogen flux across the sediment-water interface in Lake Taihu,China[J].Environmental Pollution,2016,214:866-877.
[8]刘涛,杨柳燕,胡志新,等.太湖氮磷大气干湿沉降时空特征[J].环境监测管理与技术,2012,24(6):20-24.
[9]朱梦圆,朱广伟,王永平.太湖蓝藻水华衰亡对沉积物氮、磷释放的影响[J].环境科学,2011,32(2):409-415.
[10]尤本胜,王同成,范成新,等.太湖沉积物再悬浮模拟方法[J].湖泊科学,2007,19(5):611-617.
[11]SCHINDLER D W.Evolution of phosphorus limitation in lakes[J].Science,1977,195:260-262.
[12]李军.藏北高原湖泊表层沉积物有机碳、碳氮比以及有机碳同位素特征及其环境意义[D].兰州:兰州大学,2014.
[13]王永华,钱少猛,徐南妮,等.巢湖东区底泥污染物分布特征及评价[J].环境科学研究,2004,17(6):22-26.
[14]卢少勇,许梦爽,金相灿,等.长寿湖表层沉积物氮磷和有机质污染特征及评价[J].环境科学,2012,33(2):393-398.
[15]程先,孙然好,孔佩儒,等.海河流域水体沉积物碳、氮、磷分布与污染评价[J].应用生态学报,2016,27(8):2679-2686.
[16]李强,霍守亮,王晓伟,等.巢湖及其入湖河流表层沉积物营养盐和粒度的分布及其关系研究[J].环境工程技术学报,2013,3(2):147-155.
[17]刘建伟.南流江城市河流沉积物营养盐富集特征及污染评价研究[D].南宁:广西师范学院,2015.
[18]杨洋,刘其根,胡忠军,等.太湖流域沉积物碳氮磷分布与污染评价[J].环境科学学报,2014,34(12):3057-3064.
[19]冯峰,王辉,方涛,等.东湖沉积物中微生物量与碳、氮、磷的相关性[J].中国环境科学,2006,26(3):342-345.
[20]KRISHNAMURTHY R V,BHATTACHARYA S K,KUSUMGAR S.Palaeoclimatic changes deduced from13C/12C and C/N ratios of Karewa Lake sediments,India[J].Nature,1986,323:150-152.