北京师范大学学报:自然科学版2012,Vol.48Issue(4):432-435,4.
葡萄糖对水-沉积物微界面NH4^+和O2流速影响的微电极原位监测
IN SITU MONITORING OF NH4+ AND O2 FLUX IN WATER-SEDIMENT MICRO-INTERFACE RESPONSE TO GLUCOSE LOADING
摘要
Abstract
Biogeochemical processes m warereun, transportation and transformation of pollutant and overlying water. Thus in situ monitoring of nitrogen fate in water-sediment micro-interface would be o{ great significance to river environmental protection and ecological re-habilitation. Microelectrode was used to monitor in situ and in real time O2 and NH+ fluxes across watersediment interface. It was found that organic loading (glucose) in water-sediment system with high DO (dissolved oxygen) in water tended to improve activity of aerobic microorganism and oxygen consuming rate. Sediment kept releasing NH4+ into overlying water with unstable rates, organic loading also caused NH4+ flux reversal in a short term.关键词
河流/水-沉积物微界面/微电极/氨氮/溶解氧Key words
river water-sediment micro-interface microelectrode ammonia nitrogen DO分类
环境科学引用本文复制引用
赵轩,丁爱中,豆俊峰,程莉蓉..葡萄糖对水-沉积物微界面NH4^+和O2流速影响的微电极原位监测[J].北京师范大学学报:自然科学版,2012,48(4):432-435,4.基金项目
国家自然科学基金资助项目 ()