【摘要】 通过对博斯腾湖底质的研究,了解了底泥营养盐释放对湖体富营养化程度的影响.分析了博斯腾湖底质的初始状态,得出底质粒径分布特点是南岸偏大、西岸偏小;表层沉积物为强还原性沉积环境.对博斯腾湖底质表层沉积营养物质进行了室内模拟释放实验,营养盐的释放速度为:总氮0.25mg/(m2.d)、氨氮0.17mg/(m2.d)、总磷0.003 6mg/(m2.d)、可溶性总磷0.001 5mg/(m2.d).更多还原

【Abstract】 Through the studiy of the Bosten Lake sediment nutrient release,the impact of sediment nutrient release on eutrophication in Bosten Lake was unders.By analyses of the initial state of the Bosten Lake sediments,sediments particle size distribution obtained was characterized by: on the south coast of the big but,small in the west bank;and high deoxidized sediments were detected in the sediments surface.Indoor simulation tests on nutrient release of Bosten Lake surface sediments showed releasing velocities of nutrients were TN 0.25 mg/(m2·d),NH4+-N 0.17 mg/(m2·d),TP 0.003 6 mg/(m2·d),DP 0.001 5 mg/(m2·d).更多还原