白洋淀上覆水氮磷浓度对沉积物氮磷释放的影响
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摘要
采用实验室静态模拟法,研究了白洋淀上覆水氮磷浓度对沉积物中氮磷释放的影响。结果表明,上覆水浓度对沉积物中氮磷释放速率有较大影响,上覆水浓度越低,营养盐释放速率越快,反之越慢。S曲线可以很好地拟合氮磷营养盐累计释放量的变化趋势,指数衰减动力学模型可以很好地描述氮磷释放速率变化趋势。
By means of staticsimulation method, this artical studied the nitrogen and phosphorus exchange law between interface of sediment and water in Lake Baiyangdian at different concentration of overlying waters. The results showed that nutrient levels of overlying water impacted the release rate significantly. The average release rates were negatively correlated to the nutrient levels of overlying water. Cumulative release process can be well described by Scurve, exponential kinetics model can also meet the release rates trends of nutrients.
By means of staticsimulation method, this artical studied the nitrogen and phosphorus exchange law between interface of sediment and water in Lake Baiyangdian at different concentration of overlying waters. The results showed that nutrient levels of overlying water impacted the release rate significantly. The average release rates were negatively correlated to the nutrient levels of overlying water. Cumulative release process can be well described by Scurve, exponential kinetics model can also meet the release rates trends of nutrients.
引文
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[23]高效江,陈振楼,许世远,等.长江口滨岸潮滩沉积物中磷的环境地球化学特征[J].环境科学学报,2003,23(6):711-715.
[2]EILA VARJO,ANU LIIKANEN,Veli-PEKKA SALONEN,et al.Anew gymsum-based technique to reduce and phophorus release from sediments of entrophied lakes[J].Water Research,2003,37:1-10.
[3]姚扬,金相灿,姜霞,等.光照对湖泊沉积物磷释放及磷形态变化的影响研究[J].环境科学研究,2004,17(增刊1):30-33.
[4]沈丽丽,何江,吕昌伟,等.哈素海表层沉积物中内源磷的释放研究[J].农业环境科学学报,2009,28(6):1219-1224.
[5]袁文权,张锡辉,张丽萍.不同供氧方式对水库底泥氮磷释放的影响[J].湖泊科学,2004,16(1):28-34.
[6]范成新.滆湖沉积物理化特征及磷释放模拟[J].湖泊科学,1995,7(4):341-350.
[7]王颖,郭世花.湖泊底泥中磷释放的随机动力学模型[J].水利学报,2003(11):71-77+84.
[8]罗玉红,高婷,苏青青,等.上覆水营养盐浓度对底泥氮磷释放的影响[J].中国环境管理干部学院学报,2011,21(6):71-74.
[9]李振涵,张文强,雷沛,等.巢湖西部河口区沉积物氮磷分布特征与原位扩散通量估算[J].环境科学学报,2018,38(8):2974-2982.
[10]邹锐,吴桢,赵磊,等.湖泊营养盐通量平衡的三维数值模拟[J].湖泊科学,2017,29(4):819-826.
[11]李文霞,冯海艳,杨忠芳,等.水体富营养化与水体沉积物释放营养盐[J].地质通报,2006,25(5):602-608.
[12]李宝,丁士明,范成新,等.滇池福保湾底泥内源氮磷营养盐释放通量估算[J].环境科学,2008,29(1):114-120.
[13]李传红,谭镇,刘正文,等.惠州西湖沉积物营养盐的释放[J].生态环境,2008,17(2):537-541.
[14]周劲风,温琰茂,李耀初.养殖池塘底泥-水界面营养盐扩散的室内模拟研究:I氮的扩散[J].农业环境科学学报,2006,25(3):786-791.
[15]文威,孙学明,孙淑娟,等.海河底泥氮磷营养物静态释放模拟研究[J].农业环境科学学报,2008,27(1):295-300.
[16]范成新,张路,杨龙元,等.湖泊沉积物氮磷内源负荷模拟[J].海洋与湖沼,2002,33(4):370-378.
[17]范成新,张路,秦伯强,等.太湖沉积物-水界面生源要素迁移机制及定量化--1.铵态氮释放速率的空间差异及源-汇通量[J].湖泊科学,2004,16(1):10-20.
[18]C.CHRISTOPHORIDIS,K.FYTIANOS.Studuy of the conditions affecting the release of phosphorus from the top sediments of two lakes of northern greece[J].Proceedings of the 9th International Conference on Environmental Science and Technology Rhodes Island,Greece,2005.
[19]国家环境保护总局水和废水监测分析方法编委会.水和废水监测分析方法[M].4版.北京:中国环境出版社,2002.
[20]鲍士丹.土壤农化分析[M].3版.北京:中国农业出版社,2000.
[21]金相灿,屠清瑛.湖泊富营养化调查规范[M].2版.北京:中国环境科学出版社,1990.
[22]朱广伟,秦伯强,张路.长江中下游湖泊沉积物中磷的形态及藻类可利用量[J].中国科学(D辑:地球科学),2005,35(增刊2):33-44.
[23]高效江,陈振楼,许世远,等.长江口滨岸潮滩沉积物中磷的环境地球化学特征[J].环境科学学报,2003,23(6):711-715.