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通过对放置于南海北部Honjo—Mark Ⅵ型时间系列沉积物捕获器样品糖类组成分布的分析测定,研究了颗粒物有机物质的来源及控制因素及其与沉积记录的关系.结果表明糖类物质主要来源于海洋浮游植物,其通量变化受由季风影响的浮游植物季节性的消长所控制.沉积物中精类组分与颗粒物相比呈现陆源有机质特征,推测是由于北部陆架物质通过浊流或海底移动进入陆坡所致.
Based on the analysis of the carbohydrate composition of the sample collected from the Honjo-Mark Ⅵ time series sediment trap placed in the northern South China Sea, the origin and controlling factors of particulate organic matter and their relationship with sedimentary records were studied. The results showed that the main carbohydrate substances Derived from marine phytoplankton whose flux changes are controlled by the seasonal fluctuation of phytoplankton affected by the monsoon.Serious components of sediments present characteristics of terrigenous organic matter as compared with particulate matter and are presumed to be due to the turbidity flux of the northern shelf material or Seabed moved into the slope due to.