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湖泊科学  2003 

湖泊中有色可溶性物质对近紫外及蓝光衰减的影响

DOI: 10.18307/2003.0312

Keywords: 巢湖,龙感湖,有色可溶性物质,光衰减

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Abstract:

研究巢湖(藻型湖泊)和龙感湖(草型湖泊)的有色可溶性物质(CDOC)对近紫外及蓝光衰减的影响时发现:巢湖水体中可溶性有机碳含量比龙感湖大.2个湖泊中来源不同的可溶性有机碳对光的吸收极其相似,只是在量上有差异.在巢湖水体中,光的衰减曲线在355-400nm之间有一个峰,且Kd值较大,而在龙感湖水体中,光的衰减曲线在500nm以下时随着波长的递减而增加.从CDOC对Kd的贡献来看,它们之间最大的相关是在355nm左右,这是悬浮质、叶绿素以及CDOC共同作用的结果.

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